RAA210130

RAA210130_V01 RENESAS | Alldatasheet

Document overview

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• PDF pages: 105

Technical content

Datasheet sections

• 1.1 Block Diagram
• 1.2 Typical Applications
• 2.1 Pin Assignments
• 2.2 Pin Descriptions
• 3.1 Absolute Maximum Ratings
• 3.2 Thermal Information
• 3.3 Recommended Operating Conditions
• 3.4 Electrical Specifications
• 5.1 Power-On Reset (POR)
• 5.2 Selecting the PMBus Address
• 5.3 Selecting the User Configurations
• 5.4 Configuring the Device
• 6.1 Input Voltage Sensing
• 6.2 Lossless Input Current and Power Sensing
• 6.3 VMON Voltage Sensing
• 6.4 Enabling and Soft-Starting the Device
• 6.5 Disabling the Device
• 6.6 Diode Braking
• 6.7 Switching Frequency
• 6.8 Output Current Sensing
• 6.9 Temperature Sensing
• 7.1 Power-Good Signal
• 7.2 Overvoltage/Undervoltage Protection
• 7.3 Output Overcurrent Protection
• 7.4 Smart Power Stage OC Fault Detect
• 7.5 Thermal Protection and nVRHOT
• 7.6 Catastrophic Failure Protection
• 7.7 Black Box Recorder
• 8.1 Pin Noise Sensitivity, Design, and Layout Considerations
• 8.2 Layout Guidelines
• 9.1 Send Byte Protocol
• 9.2 Write Byte/Word Protocol
• 9.3 Read Byte/Word Protocol
• 9.4 Group Command Protocol
• 9.5 Alert Response Address

Features

▪ Complete digital power supply ▪ 30A single channel output current

• 4.75V to 15V single rail input voltage
• Up to 96% efficiency ▪ Programmable output voltage
• 0.45V to 3.3V output voltage settings
• ±0.7% accuracy over line, load, and temperature ▪ Advanced linear digital modulation scheme
• Up to 1.25MHz fixed switching frequency operations
• Dual edge modulation with optional diode braking for faster transient response
• Excellent V OUT transition performance. ▪ PMBus V1.3 compatible
• Fully programmable through PMBus
• Up to 16 user configurations stored in device Non-Volatile Memory (NVM)
• Real-time telemetry for V IN, VOUT, IOUT, temperature, duty cycle, and fSW. ▪ Advanced soft-start/stop, sequencing, and margining ▪ Complete customizable over/under voltage, current, and temperature protections ▪ Black Box status recording with first fault indicator ▪ 10mmx13mmx7.8mm BGA package

Figure 1. Efficiency vs Load Current at VIN = 12V, with

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1.1 Block Diagram

Figure 2. Block Diagram

1.2 Typical Applications

Figure 3. Typical Application Circuit for VIN = 4.75V-15V and VOUT = 0.45V-1.8V, 30A Load *See the number of capacitors used in Table 1 for each output voltage.

Figure 4. Typical Application Circuit for VIN = 8V-15V, VOUT = 1.8V-3V, 30A Load

capacitors combination, and other parameters for the various VOUT. Figure 5. Typical Application Circuit for 3.3V Output, 30A Load Table 1. RAA210130 Design Matrix

2.1 Pin Assignments

1. For the output capacitors listed, use the capacitor part numbers listed below or ones that are similar.

• 47µF: GRT21BC80G476ME13L
• 470µF: T55D477M004C0008 Top View

Table 1. RAA210130 Design Matrix (Cont.)

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2.2 Pin Descriptions

See Table 4 for design layout considerations. Pin Number Pin Name Description A1, A2, A3, A4, B1, B2, B3, C2 H1, J1, J2, K1 K2, K3, K4, K5 K6, J4, J5, J6 VOUT Regulated power module output. Apply the output between VOUT and PGND. A5 VDD1 Input of 3.3V LDO, place a 2.2µF capacitor from this pin to GND. A6, A7, A8, A9, B6, B7, B8, B9, B10, C6, C7 C8, C9, C10 D8, D9, D10 E9, E10 VIN Power input. Connect the pads directly to an input rail in the range of 4.75V to 15V. Connect the input ceramic capacitors between VIN and PGND as close as possible to the module. A10, A11, D13 E13, F13, G13 H13, J11, J12, J13, K8, K9 K10, K11, K12 K13 SW Switch node connection. The pads are connected to the junction of the high-side MOSFET source, output filter inductor, drain of the low-side MOSFET, and return path for the UGATE high-side MOSFET drive. A12, A13, B11, B12, B13, C11, C12, C13, D11, D12, E11, E12, F9, F10, F11 F12, G9, G10 G11, G12, H10, H11, H12, J10 PGND Power ground. The pads are the sources of the lower MOSFET inside the module and should be connected to the negative terminals of the external input capacitors and output capacitors. B4, B5, D4, D6, D7, E2, E3, E4, E5, E6, E7 F2, F3, F4, F5 F7, G2, G3, G4, H3 H5, H6, H7, J7 SGND Signal ground pads. The small-signal ground is common to all control circuitry and all voltage levels are measured with respect to this pin. Tie SGND to a solid low noise GND plane. C1 PMSCL Serial clock signal pin for the SMBus interface. C3 VCCS Internally generated 1.2V LDO logic supply from V3P3. Decouple with a capacitor of 4.7µF or greater (preferably MLCC type X5R or better). C4 V3P3 Output of 3.3V LDO. Place a 2.2µF capacitor from this pin to GND. C5 ADDRESS SMBus/PMBus address selection pin. D1 PMSDA Serial data signal pin for the SMBus interface. D2, F8 PWM PWM output of digital controller, and Gate driver input of SPS. Because the PWM pins are connected inside the power module, no external routing is required for PWM connection. F1 nVRHOT Thermal warning indicator. This open-drain output is pulled low if a sensed over-temperature event occurs. F6 VSEN0 Positive differential voltage sense input. Connect to a positive remote sensing point. D3 nPMALERT Open-drain output pin for alerting the SMBus host. D5 CONFIG Configuration ID selection pin. Attach a resistor from this pin to GND. E1 CFP Catastrophic fault protection output. This active-high, logic signal can be configured to alert the host to major fault events. E8 FAULT Open-drain output pin. Any fault of the SPS (overcurrent, over-temperature, shorted HFET, or V CC UVLO) pulls this pin to ground. This pin can be connected to EN pin or used to signal a fault at the system level. G1 EN Input pin used for enable control of output. G5 RGND0 Negative differential voltage sense input for output. Connect to a negative remote sensing point. Inside the module, RGND0 is connected to SGND using a 100 Ω resistor.

R16DS0218EU0103 Rev.1.03 Page 11 Jun 15, 2023 RAA210130 Datasheet G6 CS0 The CS0 and CSRTN0 pins are current-sense inputs to the differential amplifier of the digital controller. CSRTN0 is also the input for the external reference voltage for the SPS IMON signal. Connect CSRTN0 to VCCS using a 100Ω resistor. Place the resistor close to CSRTN0. G7 CSRTN0 G8 IMON SPS current monitor output, referenced to CSRTN0. IMON is pulled high to indicate an HFET shorted or overcurrent fault. H2 PG Open-drain, power-good indicator. H4 VMON Input voltage sense pin for driver supply voltage. Leave unconnected. H8 TMON Input pin for Smart Power Stage (SPS) temperature. Leave unconnected. H9 VCC +5V logic bias supply of SPS. Connect it to PVCC and place a high quality low ESR ceramic capacitor (~1μF/X7R) in close proximity from this pin to GND. J3 VINSEN Input voltage sense pin for the VIN supply voltage. Connect to input voltage of power train. J9 PVCC Output of the 5V LDO, and +5V bias supply of SPS driver circuit. K7 VDD2 Input of 5V LDO, place a 4.7µF capacitor from this pin to GND. Pin Number Pin Name Description

R16DS0218EU0103 Rev.1.03 Page 12 Jun 15, 2023 RAA210130 Datasheet 3. Specifications

3.1 Absolute Maximum Ratings

CAUTION: Do not operate at or near the maximum ratings listed for extended periods of time. Exposure to such conditions can adversely impact product reliability and result in failures not covered by warranty.

3.2 Thermal Information

Parameter Minimum Maximum Unit Input voltage to PGND -0.3 28 V VCC to SGND, PVCC to PGND -0.3 6 V VIN - PHASE Voltage for 5ns -0.3 32 V SW Voltage to PGND -0.3 28 V SW Voltage to PGND for 5ns -10 32 V V OUT to PGND -0.3 V3P3 + 0.3V V V3P3 -0.3 4.3 V VCCS 1.6 V VINSEN -0.3 18 V VDD1/VDD2 to SGND -0.3 +20 V PWM,CFP, nVRHOT, EN, PG, CSRTN, CS, RGND, VSEN, TMON,CONFIG, ADDRESS, nPMALERT, PMSCL, PMSDA to SGND -0.3 V3P3 + 0.3V V FAULT, TMON, IMON to SGND -0.3 +6.0 V Human Body Model (Tested per JS-001-2017) - 2.5 kV Charged Device Model (Tested per JS-002-2018) - 1 kV Latch-Up (Tested per JESD78E; Class 2, Level A) - 100 mA Parameter Package Symbol Conditions Typical Value Unit Thermal Resistance 130 PIN 13x10 BGA Package θ JA[1] 1. θJA is measured in free air with the module mounted on a 6-layer 3.8x3.5 inch evaluation board with significant coverage of 2oz copper on all layers. See TB379 for general metric information. Junction to air 12 °C/W θJB[2] 2. θJB is based on the board temperature (Tboard) being taken at the location adjacent to the Module body near ball #H13. Junction to base 4.2 °C/W Parameter Minimum Maximum Unit Junction Temperature -55 +150 °C Storage Temperature Range -55 +150 °C

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3.3 Recommended Op erating Conditions

3.4 Electrical Specifications

Parameter Minimum Maximum Unit Input Supply Voltage VIN, VDD1,VDD2 4.75 15 V Output Voltage Range, V OUT 0.45 3.3 V Operating Junction Temperature Range, TJ -40 +125 °C Ambient Temperature Range, TA -40 +105 °C 3.3V (V3P3) Supply Total Supplied Current[1] 1. Total of current used by pull-ups to SDA, SCL, SAL RT, DDC, EN, and PG (including Push-Pull configuration). mA PVCC Supply Total Supplied Current mA VIN = 12V, V3P3 = 3.3V, PVCC = VCC = 5V. Typical values are at TA = +25°C. Boldface limits apply across the operating ambient temperature range, TA = -40°C to +85°C. Parameter Test Conditions Min [1] Typ Max [1] Unit VIN Supply Input Voltage VIN Range V IN, VDD1, VDD2 4.75 15 V VIN Supply Current Input Supply Current in PWM mode Operation PWM mode, VIN = 12V, VOUT = 1V, IOUT =0 A 2 1 m A Input Supply Current in Shutdown Shutdown 224 µA 3.3V V3P3 LDO Supply VDD1 Range 4.75 15 V IDD1 Nominal Current PWM mode, VIN = VDD = 12V, VOUT = 1V, IOUT = 0A, 600kHz frequency, PGOOD is floating 28 mA IDD1 Shutdown Current V 3P3 = 3.3V; EN = 0V, no switching 20 mA V3P3 Output voltage PWM mode, VIN = VDD = 12V, VOUT = 1V, IOUT = 0A, 600kHz frequency, PGOOD is floating 3.136 3.283 3.431 V 5V VCC and PVCC LDO Supply VDD2 Range 4.75 15 V Logic Standby Current IVCC PWM = Open 5.0 mA Gate Drive Standby Current IPVCC PWM = Open 10 µA Logic Operational Current IVCC PWM = 300kHz 5.0 mA Gate Drive Operational Current IPVCC PWM = 300kHz 10.3 mA PVCC Output Voltage PWM mode, VIN = VDD1 =V DD2 = 12V, VOUT =1 V , IOUT = 0A, 600kHz frequency, PGOOD is floating 4.772 4.997 5.223 V 1.22V VCCS LDO Supply Output Voltage 1.22 V VCCS Maximum Current Capability Excluding internal load 20 mA

R16DS0218EU0103 Rev.1.03 Page 14 Jun 15, 2023 RAA210130 Datasheet Controller Power-On Reset (POR) V3P3 Brownout Threshold 2.95 V VCCS Rising POR Threshold 1V VCCS Falling POR Threshold 0.9 V Enable Input High Level (VIH) 2 V Enable Input Low Level (VIL) 0.8 V Controller POR to Initialization POR to Initialization Complete Time 15 ms SPS Power-On Reset (POR) and Enable V CC Rising POR Threshold 3.86 4.20 V VCC Falling POR Threshold 3.20 3.58 V VCC POR Delay to Operation 210 µs VIN Rising POR Threshold 2.4 V VIN Falling POR Threshold 2.1 V Output Regulation and Characteristic Output Continuous Current Range 0 30 A Output Voltage Adjustment Range V IN > VOUT + 1.1V 0.45 3.3 V Output Voltage Set-Point Accuracy[2] Across line, load and temperature variation VOUT set-point = 1.00V to 3.05V -0.7 0.7 % Across line, load and temperature variation VOUT set-point = 0.8V to 0.999V -8 8 mV Across line, load and temperature variation VOUT set-point = 0.45V to 0.799V -8 +8 mV Configurations Stored in Memory Maximum Number of Configurations Stored 28 Maximum Number of Unique Configurations Stored 16 Voltage Sense Amplifier Open Sense Current Only at VSEN open detection during initialization period 220 µA Input Impedance (VSEN - RGND) 140 k Ω Maximum Common-Mode Input V 3P3 - 0.2 V Differential Input Range (VSEN - RGND) 3.05 V Output Current-Sense and Overcurrent Protection Current-Sense Accuracy - 11 % Average Overcurrent Threshold Resolution 0.1 A VIN = 12V, V3P3 = 3.3V, PVCC = VCC = 5V. Typical values are at TA = +25°C. Boldface limits apply across the operating ambient temperature range, TA = -40°C to +85°C. (Cont.) Parameter Test Conditions Min [1] Typ Max [1] Unit

R16DS0218EU0103 Rev.1.03 Page 15 Jun 15, 2023 RAA210130 Datasheet Cycle-by-Cycle Current Limiting Threshold Resolution 0.4 A Digital Droop Droop Resolution 0.01 mV/A Oscillators Accuracy of Switching Frequency Setting ±2 % Switching Frequency Range 0.2 1.25 MHz Soft-Start and VOUT Transition Rates Minimum Soft-Start Ramp Time Programmable minimum time 0.1 ms Maximum Soft-Start Ramp Time Programmable maximum time 10 ms Soft-Start Ramp Rate Accuracy ±2 % Minimum VOUT Transition Rate Programmable minimum rate 0.1 mV/µs Maximum Fast VOUT Transition Rate Programmable maximum rate 5 mV/µs VOUT Transition Rate Accuracy -4 4 % Thermal Monitoring and Protection Temperature Sensor Range -50 150 °C Temperature Sensor Accuracy ±4.5 % nVRHOT Output Low Impedance 9 Ω Power-Good and Protection Monitors PG Output Low Voltage I OUT = 4mA load 0.2 V PG Leakage Current With pull-up resistor externally connected to VCC 5µ A Overvoltage Protection Threshold Resolution 1m V Undervoltage Protection Threshold Resolution 1m V Input Voltage-Sense and Catastrophic Failure Protection (CFP) Output Input Voltage Accuracy VINSEN to ADC accuracy ±2.5 % Input Overvoltage Threshold Resolution 16 mV CFP Output High Voltage I OUT = 8mA VCC - 0.4 V CFP Output Low Voltage I OUT = 8mA 0.4 V PMBus nPMALERT, PMSDA Output Low Level IOUT = 20mA 0.4 V PMSCL, PMSDA Input High Level 1.35 V PMSCL, PMSDA Input Low Level 0.8 V PMSCL, PMSDA Input Hysteresis 80 mV VIN = 12V, V3P3 = 3.3V, PVCC = VCC = 5V. Typical values are at TA = +25°C. Boldface limits apply across the operating ambient temperature range, TA = -40°C to +85°C. (Cont.) Parameter Test Conditions Min [1] Typ Max [1] Unit

R16DS0218EU0103 Rev.1.03 Page 16 Jun 15, 2023 RAA210130 Datasheet PMSCL Frequency Range 0.01 2.00 MHz SPS Current Monitor CSRTN Voltage Range 0.8 1.2 1.6 V I OUT Current Gain Accuracy ≥10A, TJ = +0°C to +125°C, VCC = 5V ±3 % ≥10A, TJ = -40°C to +0°C,VCC = 5V ±5 % HFET Overcurrent Trip 100 A IMON-REFIN at OCP 1.1 1.2 1.3 V Temperature Monitor Over-Temperature Rising Threshold 145 °C Over-Temperature Falling Threshold 130 °C Over-Temperature Hysteresis 15 °C Temperature Coefficient 8m V / K TMON Voltage at +25°C Temperature V (T TMON High at Over-Temperature 2.3 2.5 2.7 V FAULT Pin Output Low Voltage 0.18 0.26 V Overcurrent Default Overcurrent 40 A 1. Compliance to datasheet limits is as sured by one or more methods: production test, characterization, and/or design. 2. V OUT measured at the termination of the VSENP and VSENN sense points. VIN = 12V, V3P3 = 3.3V, PVCC = VCC = 5V. Typical values are at TA = +25°C. Boldface limits apply across the operating ambient temperature range, TA = -40°C to +85°C. (Cont.) Parameter Test Conditions Min [1] Typ Max [1] Unit

Figure 24. Shutdown by VIN, VIN = 12V to 0V, VOUT = 1.2V, Figure 25. VOUT Transition, VOUT = 0.8V to 0.9V, Figure 26. VOUT Transition, VOUT = 1.2V to 1.1V, Figure 27. Short Output in Retry Mode, VIN = 12V, Figure 28. Thermal Derating Curve, VIN = 12V, Figure 29. Thermal Derating Curve, VIN = 5V,

0 LFM

200 LFM

400 LFM

Figure 30. Thermal Derating Curve, VIN = 12V, Figure 31. Thermal Derating Curve, VIN = 5V, Figure 32. Thermal Derating Curve, VIN = 12V, Figure 33. Thermal Derating Curve, VIN = 8V,

1. The thermal derating curves are obtained by measuring temperatur es of hotspots of the module for various ambient temperatures in a

recorded. When 30A is reached before 115C is reached, the maximum current for that ambient temperature would be 30A.

1. Initializing the Power Module

traditional PWM controllers. monitored through the SMBus hardware interface using standard PMBus commands, allowing excellent flexibility.

5.1 Power-On Reset (POR)

Figure 34. Simplified PMBus Initialization Timing Diagram

5.2 Selecting the PMBus Address

specify the PMBus slave addresses (7-bit).

5.3 Selecting the User Configurations

configurations or overwrite existing ones. Only the most recent configuration for a given configuration ID is loaded. When all 28 memory locations have been written, RAA210130 no longer accepts attempts to write to NVM. PowerNavigator provides a simple interface to store and load configurations. Table 2. Resistor Value to PMBus Address Map Table 3. Resistor Value to CONFIG ID Map

5.4 Configuring the Device

information. Additional details regarding the configuration process are provided in the PowerNavigator GUI. After the RAA210130 initializes and a configuration is loaded, it is ready for operation. including the temperature sense. The following sections provide more detail about these features.

6.1 Input Voltage Sensing

Overvoltage Fault Limit, and VIN Undervoltage Fault Limit.

6.2 Lossless Input Curren t and Power Sensing

6.3 VMON Voltage Sensing

The bias supply voltage of the SPS, PVCC, is monitored by the VMON pin with programmable voltage ranges. returns to the specified range.

6.4 Enabling and Soft-Starting the Device

1. When these configuration IDs and output voltages are selected, use EEF-GX0D471R, which is 2V rated instead of T55D477M004C0008,

Table 3. Resistor Value to CONFIG ID Map (Cont.)

TON_DELAY (60h) and TON_RISE (61h) PMBus commands. reaches the pre-bias level. The tri-state prevents the converter from sinking current and pulling the pre-bias down. No special configuration is required to enable this operation.

6.5 Disabling the Device

▪ Immediate OFF: Immediately ceases regulation and tri-states the PWM pins. TOFF_DELAY (64h) and TOFF_FALL (65h) PMBus commands.

6.6 Diode Braking

6.7 Switching Frequency

Switching frequency is independently programmable from 200kHz to 1.25MHz.

6.8 Output Current Sensing

CSRTN0 pins of the digital controller are connected to the SPS current sense pins.

6.9 Temperature Sensing

The RAA210130 monitors the controller temperature and the SPS temperature using the TMON pin. Figure 35. Body Diode Braking Operation

1. Fault Monitori ng and Protection

▪ Alert only: The rail continues to operate. ▪ Shut down immediately: The rail is latched off until commanded on. or the rail is commanded off.

7.1 Power-Good Signal

immediately on the rail disable.

7.2 Overvoltage/Undervoltage Protection

are done in the digital domain. (unless the device is configured to retry). The RAA210130 also features open-pin sensing protection to detect an open of the output voltage sensing circuit. If this condition is detected, module operation is suspended. Figure 36. OV/UV Comparators

7.3 Output Overcurrent Protection

such as phase peak overcurrent and phase negative current limit. when the device is configured to shut down after a finite number of consecutive events.

7.4 Smart Power Stage OC Fault Detect

current-sense ADC full scale range and immediately shuts down.

7.5 Thermal Protection and nVRHOT

The nVRHOT pin is used at the system level to inform the powered device to reduce its power consumption. threshold, providing the powered device with an advance warning of the controller thermal status. Figure 39 shows the behavior of nVRHOT and an over-temperature fault shutdown.

7.6 Catastrophic Failure Protection

Figure 37. Peak OC Operation Figure 38. Peak UC Operation Figure 39. nVRHOT and Over-Temperature Shutdown

R16DS0218EU0103 Rev.1.03 Page 28 Jun 15, 2023 RAA210130 Datasheet protect the entire system. The CFP function can be configured to respond to output overvoltage, input overvoltage, and/or output overcurrent faults.

7.7 Black Box Recorder

Black Box is a powerful diagnostic tool that captures all telemetry and status information when any fault occurs. The RAA210130 continuously monitors rail information along with the time duration for which the rail has been regulating, and the tool captures that data when a fault is registered. The tool reports the first fault bit that occurred to cause the shutdown. This diagnostic data is stored in the RAM. The Black Box can be configured to additionally write to the NVM for retrieval when the system loses input power and a fault occurs. The RAM record is updated every time a fault occurs. The Black Box can write to the NVM up to 10 times and provides an option to limit NVM writing to once per power cycle to avoid filling up the available NVM space inadvertently. 7.8 Configuring for 3.3V Output See Figure 5 for the typical application circuit with VOUT = 3.3V. For hardware settings, place a 499Ω resistor between VSEN and RGND and remove the 2Ω resistor between VSEN and VOUT. This resistor forms a divider with the 100Ω resistor between VSEN and VOUT, which is internal to the module. For PMBus settings and telemetry, the PMBUS register VOUT_COMMAND (21h) for 3.3V needs to be set to 2.75V. Because of the divider effect, the READ_VOUT (8Bh) command is a 1.2mV/bit weight vs the standard 1mV/bit weight. PowerNavigator therefore shows VOUT as 2.75V in the monitor view. Note: When measured across the VOUT and GND on the hardware side, 3.3V is observed. 7.9 Thermal Considerations and Internal 5V and 3.3V Supplies The RAA210130 has integrated 5V and 3.3V supplies for powering the internal circuitry of the module. If external 5V and 3.3V supplies are available, the internal LDOs can be bypassed, which can help in increasing the efficiency and lowering the overall power dissipation of the module. If the 5V and 3.3V supplies that are internal to the module are used, no additional 5V and 3.3V supplies are required. However, because they are additional heat sources to the module, especially when the module is used in an environment with higher ambient temperature, to help lower the overall power dissipation of the module, a 100Ω resistor can be added between the 12V input and VDD1/VDD2. VDD1 is the input to the 3.3V internal LDO and VDD2 is the input to the 5V internal LDO. A 100Ω resistor with power rating greater than 0.25W can be used.

1. Layout and Design Considerations

Board (PCB). Follow these practices during the layout and design process.

8.1 Pin Noise Sensitivity, Desi gn, and Layout Considerations

judgment is required to implement designs based on criteria specific to the situation. Table 4. Pin Design and/or Layout Considerations The remote voltage sense pair should be routed as a pair of differential signals in the PCB layout. PG No Open-drain. Avoid setting its pull-up higher than V3P3. Tie it to ground when not used. TMON Yes Leave this pin floating. nVRHOT No Open drain. Avoid setting its pull-up rail higher than V3P3. better) directly between the pin and GND. VCCS Yes Place a 4.7µF MLCC decoupling capacitor (X5R or better) directly between the pin and GND. PWM No Leave both PWM pins floating. SW Yes Connect all SW pins together on the board. Phase. Proper routing of current sense is perhaps the most critical of all the layout tasks. sandwiched between the ground layers if possible.

8.2 Layout Guidelines

reference for the PCB layout. route the remote sense, PG, PMSCL, PMSDA, and nPMALERT signals. resistances. An example layout is illustrated in Figure 40. stress. Also, use multiple vias to connect the power planes in different layers. Figure 40. Layout Example - Top Layer, Showing Location of VIN and VOUT Capacitors

plane is shown in Figure 41. noise. Ensure that none of the sensitive signal traces are routed close to the SW plane. Figure 41. Layout Example - Large Area Ground Planes in Layer 2 and Layer 5.

the module close to their respective pins for optimum decoupling. A layout example is shown in Figure 42. Figure 42. Layout Example - Bottom Layer capacitors CVDD1, CVDD2_2, CVCC, CCCS, C3P3 are shown in the red boxes.

9.1 Send Byte Protocol

9.2 Write Byte/Word Protocol

Figure 43. Send Byte Protocol Figure 44. Write Byte/Word Protocol

9.3 Read Byte/Word Protocol

9.4 Group Command Protocol

9.5 Alert Response Address

Example command: 8B READ_VOUT (Two words, read voltage of the rail). Note: The STOP (P) bit is NOT allowed before the repeated START condition when reading contents of a register. Figure 45. Read Byte/Word Protocol Figure 46. Group Command Protocol Figure 47. Alert Response Address (ARA, 0001_1001, 25h) for SMBus and PMBus

R16DS0218EU0103 Rev.1.03 Page 35 Jun 15, 2023 RAA210130 Datasheet 10. PMBus Commands Summary Code Command Name Description Type Data Format Default Value Default Setting 00h PAGE (00h) Rail Selector R/W Bit 00h Page 0 01h OPERATION (01h) Enable/disable, VOUT source R/W Bit 48h Immediate off, act on fault 02h ON_OFF_CONFIG (02h) On/off configuration settings R/W Bit 16h ENABLE pin control, active high, immediate off 03h CLEAR_FAULTS (03h) Clears all fault bits in all registers and releases the nPMALERT pin Write N/A N/A N/A 04h PHASE (04h) Phase Selector R/W Direct 00h Phase 0 05h PAGE_PLUS_WRITE (05h) Allows page and command write in single transaction Block Write Bit N/A N/A 06h PAGE_PLUS_READ (06h) Allows page and command read in single transaction Block Write/read /process call N/A N/A N/A 10h WRITE_PROTECT (10h) Write protection to sets of commands R/W Bit 00h No write protection 19h CAPABILITY (19h) Reports PMBus capability Read Bit D0h See detail 1Bh SMBALERT_MASK (1Bh) Mask status bits from SMBALERT signal Block R/W Bit 00h No bits masked 20h VOUT_MODE (20h) Defines format for output voltage related commands Read Bit 40h Direct format 21h VOUT_COMMAND (21h) Output voltage set by PMBus R/W Direct ABEh 2750mV 22h VOUT_TRIM (22h) Applies trim voltage to V OUT set-point R/W Direct 0000h 0mV 23h VOUT_CAL_OFFSET (23h) Applies offset voltage to VOUT set-point R/W Direct 0000h 0mV 24h VOUT_MAX (24h) Absolute maximum voltage setting R/W Direct 0BEAh 3050mV 25h VOUT_MARGIN_HIGH (25h) Sets voltage target during margin high R/W Direct 0B47h 2887mV 26h VOUT_MARGIN_LOW (26h) Sets voltage target during margin low R/W Direct 0A34h 2612mV 27h VOUT_TRANSITION_RATE (27h) Slew rate setting for VOUT ramp R/W Direct 0C8h 2mV/µs 28h VOUT_DROOP (28h) Sets the load-line (V/I slope) resistance for the output R/W Direct 0000h 0µV/A 2Bh VOUT_MIN (2Bh) Absolute minimum voltage setting R/W Direct 0000h 0mV 33h FREQUENCY_SWITCH (33h) Sets PWM switching frequency R/W Direct 02BCh 700kHz

R16DS0218EU0103 Rev.1.03 Page 36 Jun 15, 2023 RAA210130 Datasheet 34h POWER_MODE (34h) Sets the power conversion mode R/W Bit 03h Maximum power 35h VIN_ON (35h) Sets the VIN startup threshold R/W Direct 030Ch 7800mV 36h VIN_OFF (36h) Sets the VIN shutdown threshold R/W Direct 0000h 0mV 40h VOUT_OV_FAULT_LIMIT (40h) Sets the VOUT OV fault limit R/W Direct 0C1Ch 3100mV 41h VOUT_OV_FAULT_RESPONSE (41h) Configures the VOUT OV fault response R/W Bit 84h Latch off 44h VOUT_UV_FAULT_LIMIT (44h) Sets the VOUT UV fault limit R/W Direct 0921h 2337mV 45h VOUT_UV_FAULT_RESPONSE (45h) Configures the VOUT UV fault response R/W Bit 84h Latch off 46h IOUT_OC_FAULT_LIMIT (46h) Sets the IOUT OC fault limit R/W Direct 01F4h 50A 47h IOUT_OC_FAULT_RESPONSE (47h) Configures the IOUT OC fault response R/W Bit FCh Latch off 4Fh OT_FAULT_LIMIT (4Fh) Sets the OT fault limit R/W Direct 007Dh 125°C 50h OT_FAULT_RESPONSE (50h) Configures the OT fault response R/W Bit BCh Retry 51h OT_WARN_LIMIT (51h) Sets the OT warning limit R/W Direct 006Eh 110°C 53h UT_FAULT_LIMIT (53h) Sets the UT fault limit R/W Direct FFD8h -40°C 54h UT_FAULT_RESPONSE (54h) Configures the UT fault response R/W Bit 80h Latch off 55h VIN_OV_FAULT_LIMIT (55h) Sets the VIN OV fault limit R/W Direct 640h 16000mV 56h VIN_OV_FAULT_RESPONSE (56h) Configures the VIN OV fault response R/W Bit 84h Latch off 57h VIN_OV_WARN_LIMIT (57h) Sets the VIN OV warning limit R/W Direct 0708h 18V 58h VIN_UV_WARN_LIMIT (58h) Sets the VIN UV warning limit R/W Direct 0000h 0mV 59h VIN_UV_FAULT_LIMIT (59h) Sets the VIN UV fault limit R/W Direct 02D0h 7200mV 5Ah VIN_UV_FAULT_RESPONSE (5Ah) Configures the VIN UV fault response R/W Bit BCh Retry 5Bh IIN_OC_FAULT_LIMIT (5Bh) Sets the IIN OC fault limit R/W Direct 03E8h 10A 5Ch IIN_OC_FAULT_RESPONSE (5Ch) Configures the IIN OC fault response R/W Bit 04h Ignore 5Dh IIN_OC_WARN_LIMIT (5Dh) Sets the IIN OC warning limit R/W Direct 3A98h 150A 60h TON_DELAY (60h) Sets turn-on delay time R/W Direct 0000h 0µs 61h TON_RISE (61h) Sets turn-on rise time R/W Direct 1388h 5000µs 64h TOFF_DELAY (64h) Sets turn-off delay time R/W Direct 0000h 0µs 65h TOFF_FALL (65h) Sets turn-off fall time R/W Direct 1388h 5000µs 78h STATUS_BYTE (78h) First byte of STATUS_WORD Read Bit N/A N/A 79h STATUS_WORD (79h) Summary of critical faults Read Bit N/A N/A Code Command Name Description Type Data Format Default Value Default Setting

R16DS0218EU0103 Rev.1.03 Page 37 Jun 15, 2023 RAA210130 Datasheet 7Ah STATUS_VOUT (7Ah) Reports VOUT warnings/faults Read Bit N/A N/A 7Bh STATUS_IOUT (7Bh) Reports IOUT warnings/faults Read Bit N/A N/A 7Ch STATUS_INPUT (7Ch) Reports input warnings/faults Read Bit N/A N/A 7Dh STATUS_TEMPERATURE (7Dh) Reports temperature warnings/faults Read Bit N/A N/A 7Eh STATUS_CML (7Eh) Reports communication, memory, logic errors Read Bit N/A N/A 80h STATUS_MFR_SPECIFIC (80h) Reports other specific faults Read Bit N/A N/A 88h READ_VIN (88h) Reports input voltage measurement Read Direct N/A mV 89h READ_IIN (89h) Reports input current measurement Read Direct N/A A 8Bh READ_VOUT (8Bh) Reports output voltage measurement Read Direct N/A mV 8Ch READ_IOUT (8Ch) Reports output current measurement Read Direct N/A A 8Dh READ_TEMPERATURE_1 (8Dh) Reports power stage temperature measurement Read Direct N/A °C 8Eh READ_TEMPERATURE_2 (8Eh) Reports internal temperature measurement Read Direct N/A °C 8Fh READ_TEMPERATURE_3 (8Fh) Reports TEMP pin temperature measurement Read Direct N/A °C 96h READ_POUT (96h) Reports output power Read Direct N/A W 97h READ_PIN (97h) Reports input power Read Direct N/A W 98h PMBUS_REVISION (98h) Reports the PMBus revision used Read Bit 33h P1 R1.3, P2 R1.3 99h MFR_ID (99h) Stores inventory information Block R/W Bit 00000000h Empty 9Ah MFR_MODEL (9Ah) Stores inventory information Block R/W Bit 00000000h Empty 9Bh MFR_REVISION (9Bh) Stores inventory information Block R/W Bit 00000000h Empty 9Dh MFR_DATE (9Dh) Stores inventory information Block R/W Bit 00000000h Empty ADh IC_DEVICE_ID (ADh) Reports device identification information Block Read Bit 49D2B000h RAA210130 AEh IC_DEVICE_REV (AEh) Reports device revision information Block Read Bit Release revision C5h DMAFIX (C5h) Fixed DMA transactions R/W Bit 0000h 0 C6h DMASEQ (C6h) Sequential DMA transaction R/W Bit 0000h 0 C7h DMAADDR (C7h) Sets the address for DMA transactions R/W Bit 0000h 0 CDh PEAK_OC_LIMIT (CDh) Sets peak per phase OC limit R/W Direct 01F4h 50A CEh PEAK_UC_LIMIT (CEh) Sets peak per phase UC limit R/W Direct FE0C -50A Code Command Name Description Type Data Format Default Value Default Setting

R16DS0218EU0103 Rev.1.03 Page 38 Jun 15, 2023 RAA210130 Datasheet D0h VMON_ON (D0h) Sets the VMON startup threshold R/W Direct 1C2h 4500mV D1h VMON_OFF (D1h) Sets the VMON shutdown threshold R/W Direct 190h 4000mV DDh COMPPROP (DDh) Configures proportional gain R/W Bit D80189C4h See detail DEh COMPINTEG (DEh) Configures integral gain R/W Bit A8h See detail DFh COMPDIFF (DFh) Configures differential gain R/W Bit 0020h See detail E0h COMPCFB (E0h) Configures AC current feedback R/W Bit 6840h See detail E3h HS_BUS_CURRENT_SCALE (E3h) Sets the high speed bus current scaling R/W Bit 4000h 1.0 E4h PHASE_CURRENT (E4h) Reports per-phase current Read Direct N/A A E5h PHASE_TEMPERATURE (E5h) Reports per-phase temperature Read Direct N/A °C E9h PEAK_OCUC_COUNT (E9h) Sets the count limit before fault R/W Bit 606h 6 cycles for OC & UC EAh SLOW_IOUT_OC_LIMIT (EAh) Sets the slow IOUT OC limit R/W Direct 01F4h 50A EBh FAST_OC_FILT_COUNT (EBh) Configures the fast OC filter R/W Bit 0696h Filter = 10.7µs, Delay = 100µs ECh SLOW_OC_FILT_COUNT (ECh) Configures the slow OC filter R/W Bit 0606h Filter = 10.7µs, Delay = 1024µs F0h LOOPCFG (F0h) Defines rail operating configuration R/W Bit 002371B6h See detail F2h RESTORE_CFG (F2h) Identifies configuration to be restored from NVM R/W Bit 00h Code Command Name Description Type Data Format Default Value Default Setting

10.1 PMBus Use Guidelines

All commands can be read at any time.

10.2 PMBus Data Formats

10.2.1 Direct

The Direct data format is a 2-byte binary integer.

10.2.2 Linear 16 Unsigned (L16U)

10.2.3 Linear 16 Signed (L16S)

10.2.4 Linear 11 (L11)

represent the real world decimal value (X). The relation between the real world decimal value (X), N, and Y is: X = Y·2N.

10.2.5 Bit Field (Bit)

A description of Bit Field is provided in the PMBus Command Detail.

10.2.6 Custom (Cus)

Figure 48. Linear 11 Data Format

R16DS0218EU0103 Rev.1.03 Page 40 Jun 15, 2023 RAA210130 Datasheet 11. PMBus Command Detail

11.1 PAGE (00h)

Definition: Selects the communication path to Rail 0. All paged commands following this command are received and acted on by the selected destination path. Paged commands that can be written globally, but can only be read on a specific page unless otherwise specified. Global commands remain global regardless of the value of this command. Access: Global Data Length in Bytes: 1 Data Format: Bit Field Type: R/W Default Value: 00h Command PAGE (00h) Format Bit Field B i t P o s i t i o n 76543210 Access R/W R/W R/W R/W R/W R/W R/W R/W Function See Following Table D e f a u l t V a l u e 00000000 Bit Value Setting 00h Page 0 (Rail 0) 01h Reserved 80h Reserved FFh Reserved

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11.2 OPERATION (01h)

Definition: Sets Enable/Disable state when configured for PMBus enable. Sets the source of the target VOUT. The following table reflects the valid settings for the device. Access: Paged (always set to 0x00) Data Length in Bytes: 1 Data Format: Bit Field Type: R/W Default Value: 48h (Immediate off, Act on fault) Command OPERATION (01h) Format Bit Field B i t P o s i t i o n 76543210 Access R/W R/W R/W R/W R/W R/W R/W R/W Function See Following Table D e f a u l t V a l u e 00001000 Bit Number Purpose Bit Value Meaning

7 Enable/Disable Output

0 Disable

1 Enable

6 Disable by PMBus

0 Immediate off (decay with PWM tri-state)

1 Soft off (Use TOFF_DELAY and TOFF_FALL)

5:4 V OUT Source

00 VOUT_COMMAND

01 VOUT_MARGIN_LOW

10 VOUT_MARGIN_HIGH

11 Not used

3:2 Margin Response 01 Ignore V OUT OV, UV faults when margined. 10 Act on V OUT OV, UV faults when margined.

1 Not Supported 0 Not supported

0 Not Supported X Not supported

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11.3 ON_OFF_CONFIG (02h)

Definition: Configures the interpretation and coordination of the OPERATION command and the ENABLE pin. Access: Paged (always set to 0x00) Data Length in Bytes: 1 Data Format: Bit Field Type: R/W Default Value: 16h (ENABLE pin control)

11.4 CLEAR_FAULTS (03h)

Definition: Clears all fault status bits in all registers and releases the nPMALERT pin (if asserted) simultaneously. If a fault condition still exists, the bit(s) reasserts immediately. This command does not restart a device if it is shut down, it only clears the faults. Access: Paged (always set to 0x00) Data Length in Bytes: 0 Data Format: N/A Type: Write only Command ON_OFF_CONFIG (02h) Format Bit Field B i t P o s i t i o n 76543210 Access R/W R/W R/W R/W R/W R/W R/W R/W Function See Following Table D e f a u l t V a l u e 00010110 Bit Number Purpose Bit Value Meaning 7:5 Not Supported 000 Not supported 4:2 Sets the source of enable 0XX Output enables any time power is present regardless of pin or OPERATION command state. 101 Output enables from the enable pin only.

110 Output enables from the OPERATION

command only. 111 Output enables from the enable pin AND the OPERATION command. Both must be set to enable.

1 Polarity of ENABLE pin

0 Active low

1 Active high

0 ENABLE pin action when commanding the

0 Use the configured TOFF_DELAY and

TOFF_FALL settings.

1 Turn off the output immediately (decay with

PWM tri-state).

11.5 PHASE (04h)

PHASE_TEMPERATURE (E5h). The PAGE command must also be set to access phase information.

11.6 PAGE_PLUS_WRITE (05h)

Definition: Sets the page within a device, sends a command, and sends the data for the command in one packet. The PAGE_PLUS_WRITE command uses the WRITE BLOCK protocol. bytes to be written and a PEC byte. Figure 49. PAGE_PLUS_WRITE Command with a PEC Byte

11.7 PAGE_PLUS_READ (06h)

The PAGE_PLUS_READ command uses the BLOCK WRITE – BLOCK READ PROCESS CALL protocol. bytes to be read and a PEC byte.

11.8 WRITE_PROTECT (10h)

Definition: Sets the write protection of certain configuration commands. Figure 50. PAGE_PLUS_READ Command with a PEC Byte

1. Any settings other than the five shown results in an invalid data fault.

1000 0000 Disable all writes except to WRITE_PROTECT command. 0100 0000 Disable all writes except to WRITE_PROTECT, OPERATION, and PAGE.

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11.9 CAPABILITY (19h)

Definition: Reports PMBus capabilities of the device. Access: Global Data Length in Bytes: 1 Data Format: Bit Field Type: Read Only Default Value: D0h (PEC supported, bus speed 1MHz, SMBALERT supported, Linear/Direct numeric data) Command CAPABILITY (19h) Format Bit Field B i t P o s i t i o n 76543210 A c c e s s RRRRRRRR Function See Following Table D e f a u l t V a l u e 11010000 Bit Number Purpose Bit Value Meaning

7 PEC Support

1 PEC supported

0 PEC not supported

6:5 Maximum Bus Speed

11 Not supported

4 SMBALERT Support

1 SMBALERT pin and response protocol is supported. 0 SMBALERT pin and response protocol is not supported.

3 Numeric Format

1 Numeric data, IEEE half precision floating point format

0 Numeric data, Linear/Direct

2 Not Supported 0 Not supported

1:0 Not Supported 00 Not supported

11.10 SMBALERT_MASK (1Bh)

STATUS_TEMPERATURE, STATUS_CML, and STATUS_MFR_SPECIFIC. over-temperature warning condition would be blocked from asserting SMBALERT#.

11.11 VOUT_MODE (20h)

Definition: Returns the supported VOUT mode. Direct mode, 1mV per LSB. Figure 51. SMBALERT_MASK Command Packet Format Figure 52. Retrieving the SMBALERT_MASK Setting for a Given Status Register

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11.12 VOUT_COMMAND (21h)

Definition: Sets the value of VOUT when the OPERATION command is configured for PMBus nominal operation. 1mV per LSB. Access: Paged (always set to 0x00) Data Length in Bytes: 2 Data Format: Direct Type: R/W Default Value: 0ABEh (2750mV) for config ID 0 Units: mV Equation: VOUT Command = (Direct value) Range: 0mV to 3050mV

11.13 VOUT_TRIM (22h)

Definition: Applies a fixed trim voltage to the output voltage command value. This command is typically used to calibrate a device in the application circuit. 1mV per LSB. Access: Paged (always set to 0x00) Data Length in Bytes: 2 Data Format: Direct Type: R/W Default Value: 0000h Units: mV Equation: VOUT Trim = (Direct value) Range: Any value that results in the VOUT target being between 0V and VOUT_MAX Command VOUT_COMMAND (21h) Format Direct B i t P o s i t i o n 1 5 1 4 1 3 1 2 1 1 1 0 9876543210 Access R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W Function Unsigned Integer D e f a u l t V a l u e 0000101010111110 Command VOUT_TRIM (22h) Format Direct B i t P o s i t i o n 1 5 1 4 1 3 1 2 1 1 1 0 9876543210 Access R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W Function Two’s Complement Integer D e f a u l t V a l u e 0000000000000000

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11.14 VOUT_CAL_OFFSET (23h)

Definition: Applies a fixed offset voltage to the output voltage command value. This command is typically used to calibrate a device in the application circuit. 1mV per LSB. Access: Paged (always set to 0x00) Data Length in Bytes: 2 Data Format: Direct Type: R/W Default Value: 0000h Units: mV Equation: VOUT Cal Offset = (Direct value) Range: Any value that results in the VOUT target being between 0V and VOUT_MAX

11.15 VOUT_MAX (24h)

Definition: Sets the absolute maximum VOUT regulation value regardless of any other commands or combinations.1mV per LSB. Access: Paged (always set to 0x00) Data Length in Bytes: 2 Data Format: Direct Type: R/W Default Value: 0BEAh (3050mV) Units: mV Equation: VOUT Max = (Direct value) Range: 0mV to 3050mV Command VOUT_CAL_OFFSET (23h) Format Direct B i t P o s i t i o n 1 5 1 4 1 3 1 2 1 1 1 0 9876543210 Access R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W Function Two’s Complement Integer D e f a u l t V a l u e 0000000000000000 Command VOUT_MAX (24h) Format Direct B i t P o s i t i o n 1 5 1 4 1 3 1 2 1 1 1 0 9876543210 Access R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W Function Unsigned Integer D e f a u l t V a l u e 0000101111101010

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11.16 VOUT_MARGIN_HIGH (25h)

Definition: Sets the value of VOUT when the OPERATION command is configured for margin high. 1mV per LSB. Access: Paged (always set to 0x00) Data Length in Bytes: 2 Data Format: Direct Type: R/W Default Value: 0B47h (2887mV) Units: mV Equation: VOUT Margin High = (Direct value) Range: 0mV to 3050mV

11.17 VOUT_MARGIN_LOW (26h)

Definition: Sets the value of VOUT when the OPERATION command is configured for margin low. 1mV per LSB. Access: Paged (always set to 0x00) Data Length in Bytes: 2 Data Format: Direct Type: R/W Default Value: 0A34h (2612mV) Units: mV Equation: VOUT Margin Low = (Direct value) Range: 0mV to 3050mV Command VOUT_MARGIN_HIGH (25h) Format Direct B i t P o s i t i o n 1 5 1 4 1 3 1 2 1 1 1 0 9876543210 Access R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W Function Unsigned Integer D e f a u l t V a l u e 0000101101000111 Command VOUT_MARGIN_LOW (26h) Format Direct B i t P o s i t i o n 1 5 1 4 1 3 1 2 1 1 1 0 9876543210 Access R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W Function Unsigned Integer D e f a u l t V a l u e 0000101000110100

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11.18 VOUT_TRANSITION_RATE (27h)

Definition: Defines the output voltage rate of change during regulation. 0.01mV/µs per LSB. Access: Paged (always set to 0x00) Data Length in Bytes: 2 Data Format: Direct Type: R/W Default Value: 0C8h (2mV/µs) Units: mV/µs Equation: VOUT Transition Rate = (Direct value) / 100 Range: 10µV/µs to 100mV/µs

11.19 VOUT_DROOP (28h)

Definition: Sets the rate at which the output voltage changes relative to output current during regulation. 10µV/A per LSB. Access: Paged (always set to 0x00) Data Length in Bytes: 2 Data Format: Direct Type: R/W Default Value: 0000h (0µV/A) Units: µV/A Equation: VOUT Droop = (Direct value) × 10 Range: 0µV/A to 16000µV/A Command VOUT_TRANSITION_RATE (27h) Format Direct B i t P o s i t i o n 1 5 1 4 1 3 1 2 1 1 1 0 9876543210 Access R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W Function Unsigned Integer D e f a u l t V a l u e 0000100111000100 Command VOUT_DROOP (28h) Format Direct B i t P o s i t i o n 1 5 1 4 1 3 1 2 1 1 1 0 9876543210 Access R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W Function Unsigned Integer D e f a u l t V a l u e 0000000000000000

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11.20 VOUT_MIN (2Bh)

Definition: Sets the absolute minimum voltage that is delivered to the output during regulation. 1mV per LSB. Access: Paged (always set to 0x00) Data Length in Bytes: 2 Data Format: Direct Type: R/W Default Value: 0000h Units: mV Equation: VOUT Min = (Direct value) Range: 0mV to 3050mV

11.21 FREQUENCY_SWITCH (33h)

Definition: Sets the PWM switching frequency during regulation. 1kHz per LSB. Access: Paged (always set to 0x00) Data Length in Bytes: 2 Data Format: Direct Type: R/W Default Value: 02BCh (700kHz) Units: kHz Equation: Frequency Switch = (Direct value) Range: 200kHz to 1.25MHz Command VOUT_MIN (2Bh) Format Direct B i t P o s i t i o n 1 5 1 4 1 3 1 2 1 1 1 0 9876543210 Access R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W Function Unsigned Integer D e f a u l t V a l u e 0000000000000000 Command FREQUENCY_SWITCH (33h) Format Direct B i t P o s i t i o n 1 5 1 4 1 3 1 2 1 1 1 0 9876543210 Access R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W Function Unsigned Integer D e f a u l t V a l u e 0000001001011000

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11.22 POWER_MODE (34h)

Definition: Sets the power conversion mode. Maximum Efficiency Mode (0) default setting: ▪ Voltage down transitions happen immediately with decay (PWM tri-state). Maximum Power Mode (3) default setting: ▪ Voltage down transitions happen as programmed in the TOFF_DELAY and TOFF_FALL commands. MFR Defined Mode (4) default setting: ▪ Voltage down transitions happen immediately with decay (PWM tri-state). Access: Paged (always set to 0x00) Data Length in Bytes: 1 Data Format: Bit Field Type: R/W Default Value: 03h, Maximum Power Command POWER_MODE (34h) Format Bit Field B i t P o s i t i o n 76543210 Access R/W R/W R/W R/W R/W R/W R/W R/W Function See Following Table D e f a u l t V a l u e 00000011 Bit Value Setting 04h MFR defined 03h Maximum Power 00h Maximum Efficiency

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11.23 VIN_ON (35h)

Definition: Sets the input voltage rising threshold at which the output can be enabled. 10mV per LSB. Access: Paged (always set to 0x00) Data Length in Bytes: 2 Data Format: Direct Type: R/W Default Value: 030Ch (7800mV) Units: mV Equation: VIN On = (Direct value) × 10 Range: -327680mV to 327670mV

11.24 VIN_OFF (36h)

Definition: Sets the input voltage falling threshold at which the output disables. 10mV per LSB. Access: Paged (always set to 0x00) Data Length in Bytes: 2 Data Format: Direct Type: R/W Default Value: 0000 (0mV) Units: mV Equation: VIN Off = (Direct value) × 10 Range: -327680mV to 327670mV Command VIN_ON (35h) Format Direct B i t P o s i t i o n 1 5 1 4 1 3 1 2 1 1 1 0 9876543210 Access R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W Function Two’s Complement Integer D e f a u l t V a l u e 0000001100001100 Command VIN_OFF (36h) Format Direct B i t P o s i t i o n 1 5 1 4 1 3 1 2 1 1 1 0 9876543210 Access R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W Function Two’s Complement Integer D e f a u l t V a l u e 0000000000000000

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11.25 VOUT_OV_FAULT_LIMIT (40h)

Definition: Sets the output overvoltage threshold. 1mV per LSB. Access: Paged (always set to 0x00) Data Length in Bytes: 2 Data Format: Direct Type: R/W Default Value: 0C1Ch (3100mV) Units: mV Equation: VOUT OV Fault Limit = (Direct value) Range: 0mV to 3050mV Command VOUT_OV_FAULT_LIMIT (40h) Format Direct B i t P o s i t i o n 1 5 1 4 1 3 1 2 1 1 1 0 9876543210 Access R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W Function Unsigned Integer D e f a u l t V a l u e 0000110000011100

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11.26 VOUT_OV_FAULT_RESPONSE (41h)

Definition: Configures the output overvoltage fault response. For a fault to be considered cleared, the output must drop by 100mV. Access: Paged (always set to 0x00) Data Length in Bytes: 1 Data Format: Bit Field Type: R/W Default Value: 84h (latch off) Command VOUT_OV_FAULT_RESPONSE (41h) Format Bit Field B i t P o s i t i o n 76543210 Access R/W R/W R/W R/W R/W R/W R/W R/W Function See Following Table D e f a u l t V a l u e 10000100 Bit Field Name Value Description 7:6 R e s p o n s e B e h a v i o r During a fault, the device: ▪ Pulls PMALRT low ▪ Sets the related fault bit in the status registers. 00 Continue without interruption.

01 Not supported

10 Disable and retry according to the setting in Bits [5:3]. 5:3 Retry Setting 000 No retry. The output remains disabled until the rail is restarted. 001-110 Not supported 111 Attempts to restart continuously, without limitation, until it is commanded OFF (by the CONTROL pin or OPERATION command), bias power is removed, or another fault condition causes the unit to shut down. The time between retries is set by Bits [2:0]. 2:0 Delay Time before Retry 000 0ms delay (not recommended) 001-110 Delay 25ms per LSB

111 Delay 175ms

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11.27 VOUT_UV_FAULT_LIMIT (44h)

Definition: Sets the output undervoltage fault threshold. 1mV per LSB. This fault is masked during ramp or when disabled. Access: Paged (always set to 0x00) Data Length in Bytes: 2 Data Format: Direct Type: R/W Default Value: 0921h (2337mV) Units: mV Equation: VOUT UV Fault Limit = (Direct value) Range: 0V to 3050mV Command VOUT_UV_FAULT_LIMIT (44h) Format Direct B i t P o s i t i o n 1 5 1 4 1 3 1 2 1 1 1 0 9876543210 Access R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W Function Unsigned Integer D e f a u l t V a l u e 0000100100100001

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11.28 VOUT_UV_FAULT_RESPONSE (45h)

Definition: Configures the output undervoltage fault response. This fault is masked during ramp or when disabled. Access: Paged (always set to 0x00) Data Length in Bytes: 1 Data Format: Bit Field Type: R/W Default Value: 84h (latch off) Command VOUT_UV_FAULT_RESPONSE (45h) Format Bit Field B i t P o s i t i o n 76543210 Access R/W R/W R/W R/W R/W R/W R/W R/W Function See Following Table D e f a u l t V a l u e 10000100 Bit Field Name Value Description 7:6 R e s p o n s e B e h a v i o r During a fault, the device: ▪ Pulls PMALRT low ▪ Sets the related fault bit in the status registers. 00 Continue without interruption. 10 Disable and retry according to the setting in Bits [5:3]. 5:3 Retry Setting 000 No retry. The output remains disabled until the rail is restarted. 001-110 Not supported 111 Attempts to restart continuously, without limitation, until it is commanded OFF (by the CONTROL pin or OPERATION command), bias power is removed, or another fault condition causes the unit to shut down. The time between retries is set by Bits [2:0]. 2:0 Delay Time before Retry

000 Delay 0ms (not recommended)

001-110 Delay 25ms per LSB

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11.29 IOUT_OC_FAULT_LIMIT (46h)

Definition: Sets the fast sum output overcurrent fault threshold. 0.1A per LSB. Access: Paged (always set to 0x00) Data Length in Bytes: 2 Data Format: Direct Type: R/W Default Value: 01F4h (50A) Units: A Equation: IOUT OC Fault Limit = (Direct value) / 10 Range: 0A to 3276.7A Command IOUT_OC_FAULT_LIMIT (46h) Format Direct B i t P o s i t i o n 1 5 1 4 1 3 1 2 1 1 1 0 9876543210 Access R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W Function Unsigned Integer D e f a u l t V a l u e 0000000111110100

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11.30 IOUT_OC_FAULT_RESPONSE (47h)

Definition: Configures the output overcurrent fault response for all IOUT OC detection methods. This response setting is also applied to output undercurrent faults. Access: Paged (always set to 0x00) Data Length in Bytes: 1 Data Format: Bit Field Type: R/W Default Value: FCh (latch off) Command IOUT_OC_FAULT_RESPONSE (47h) Format Bit Field B i t P o s i t i o n 76543210 Access R/W R/W R/W R/W R/W R/W R/W R/W Function See Following Table D e f a u l t V a l u e 11111100 Bit Field Name Value Description 7:6 R e s p o n s e B e h a v i o r During a fault, the device: ▪ Pulls PMALRT low ▪ Sets the related fault bit in the status registers. 00 Continue without interruption. 01-10 Not supported

11 Disable and retry as set in Bits [5:3]

5:3 Retry Setting 000 No retry. The output remains disabled until the rail is restarted. 001-110 Not supported 111 Attempts to restart continuously, without limitation, until it is commanded OFF (by the CONTROL pin or OPERATION command), bias power is removed, or another fault condition causes the unit to shut down. The time between retries is set by Bits [2:0]. 2:0 Delay Time before Retry 001-110 Delay 25ms per LSB

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11.31 OT_FAULT_LIMIT (4Fh)

Definition: Sets the power stage over-temperature fault limit. 1°C per LSB. Access: Paged (always set to 0x00) Data Length in Bytes: 2 Data Format: Direct Type: R/W Default Value: 007Dh (125°C) Units: °C Equation: OT Fault Limit = (Direct value) Range: 0°C to +150°C Command OT_FAULT_LIMIT (4Fh) Format Direct B i t P o s i t i o n 1 5 1 4 1 3 1 2 1 1 1 0 9876543210 Access R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W Function Unsigned Integer D e f a u l t V a l u e 0000000001111101

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11.32 OT_FAULT_RESPONSE (50h)

Definition: Configures the power stage over-temperature fault response. For a fault to be considered cleared, the temperature must drop 5°C below the OT fault threshold value. Access: Paged (always set to 0x00) Data Length in Bytes: 1 Data Format: Bit Field Type: R/W Default Value: BCh (retry) Command OT_FAULT_RESPONSE (50h) Format Bit Field B i t P o s i t i o n 76543210 Access R/W R/W R/W R/W R/W R/W R/W R/W Function See Following Table D e f a u l t V a l u e 10111100 Bit Field Name Value Description 7:6 R e s p o n s e B e h a v i o r During a fault, the device: ▪ Pulls PMALRT low ▪ Sets the related fault bit in the status registers. 00 Continue without interruption. 10 Disable and retry according to the setting in Bits [5:3]. 5:3 Retry Setting 000 No retry. The output remains disabled until the rail is restarted. 001-110 Not supported 111 Attempts to restart continuously, without limitation, until it is commanded OFF (by the CONTROL pin or OPERATION command), bias power is removed, or another fault condition causes the unit to shut down. The time between retries is set by Bits [2:0]. 2:0 Delay Time before Retry 001-110 Delay 25ms per LSB

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11.33 OT_WARN_LIMIT (51h)

Definition: Sets the power stage over-temperature warning limit. 1°C per LSB. Access: Paged (always set to 0x00) Data Length in Bytes: 2 Data Format: Direct Type: R/W Default Value: 006Eh (110°C) Units: °C Equation: OT Warn Limit = (Direct value) Range: 0°C to 150°C

11.34 UT_FAULT_LIMIT (53h)

Definition: Sets the power stage under-temperature fault limit. 1°C per LSB. Access: Paged (always set to 0x00) Data Length in Bytes: 2 Data Format: Direct Type: R/W Default Value: FFD8h (-40°C) Units: °C Equation: UT Fault Limit = (Direct value) Range: -50°C to 150°C Command OT_WARN_LIMIT (51h) Format Direct B i t P o s i t i o n 1 5 1 4 1 3 1 2 1 1 1 0 9876543210 Access R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W Function Two’s Complement Integer D e f a u l t V a l u e 0000000001101110 Command UT_FAULT_LIMIT (53h) Format Direct B i t P o s i t i o n 1 5 1 4 1 3 1 2 1 1 1 0 9876543210 Access R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W Function Two’s Complement Integer D e f a u l t V a l u e 1111111111011000

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11.35 UT_FAULT_RESPONSE (54h)

Definition: Configures the power stage under-temperature fault response. For the fault to be considered cleared, the temperature must rise 5°C above the UT fault threshold value. Access: Paged (always set to 0x00) Data Length in Bytes: 1 Data Format: Bit Field Type: R/W Default Value: 80h (latch off) Command UT_FAULT_RESPONSE (54h) Format Bit Field B i t P o s i t i o n 76543210 Access R/W R/W R/W R/W R/W R/W R/W R/W Function See Following Table D e f a u l t V a l u e 10000000 Bit Field Name Value Description 7:6 R e s p o n s e B e h a v i o r During a fault, the device: ▪ Pulls PMALRT low ▪ Sets the related fault bit in the status registers. 00 Continue without interruption. 10 Disable and retry according to the setting in Bits [5:3]. 5:3 Retry Setting 000 No retry. The output remains disabled until the device is restarted. 001-110 Not supported 111 Attempts to restart continuously without limitation until it is commanded OFF (by the CONTROL pin or OPERATION command), bias power is removed, or another fault condition causes the unit to shut down. The time between retries is set by Bits [2:0]. 2:0 Delay Time before Retry 001-110 Delay 25ms per LSB

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11.36 VIN_OV_FAULT_LIMIT (55h)

Definition: Sets the VIN overvoltage fault threshold. 10mV per LSB. Access: Paged (always set to 0x00) Data Length in Bytes: 2 Data Format: Direct Type: R/W Default Value: 640h (16000mV) Units: mV Equation: VIN OV Fault Limit = (Direct value) × 10 Range: 0mV to 327670mV Command VIN_OV_FAULT_LIMIT (55h) Format Direct B i t P o s i t i o n 1 5 1 4 1 3 1 2 1 1 1 0 9876543210 Access R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W Function Two’s Complement Integer D e f a u l t V a l u e 0000011001000000

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11.37 VIN_OV_FAULT_RESPONSE (56h)

Definition: Configures the input overvoltage fault response. For a fault to be considered cleared, the input voltage must drop by 1/16th of the OV fault threshold value. Access: Paged (always set to 0x00) Data Length in Bytes: 1 Data Format: Bit Field Type: R/W Default Value: 84h (latch off) Command VIN_OV_FAULT_RESPONSE (56h) Format Bit Field B i t P o s i t i o n 76543210 Access R/W R/W R/W R/W R/W R/W R/W R/W Function See Following Table D e f a u l t V a l u e 10000100 Bit Field Name Value Description 7:6 R e s p o n s e B e h a v i o r During a fault, the device: ▪ Pulls PMALRT low ▪ Sets the related fault bit in the status registers. 00 Continue without interruption. 10 Disable and retry according to the setting in Bits [5:3]. 5:3 Retry Setting 000 No retry. The output remains disabled until the device is restarted. 001-110 Not supported 111 Attempts to restart continuously without limitation until it is commanded OFF (by the CONTROL pin or OPERATION command), bias power is removed, or another fault condition causes the unit to shut down. The time between retries is set by Bits [2:0]. 2:0 Delay Time before Retry 001-110 Delay 25ms per LSB

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11.38 VIN_OV_WARN_LIMIT (57h)

Definition: Sets the VIN overvoltage fault threshold. 10mV per LSB. Access: Paged (always set to 0x00) Data Length in Bytes: 2 Data Format: Direct Type: R/W Default Value: 708h (18000mV) Units: mV Equation: VIN OV Warn Limit = (Direct value) × 10 Range: 0mV to 327670mV

11.39 VIN_UV_WARN_LIMIT (58h)

Definition: Sets the VIN undervoltage warning threshold. 10mV per LSB. Access: Paged (always set to 0x00) Data Length in Bytes: 2 Data Format: Direct Type: R/W Default Value: 0000h (0V) Units: mV Equation: VIN UV Warn Limit = (Direct value) × 10 Range: 0mV to 327670mV Command VIN_OV_WARN_LIMIT (57h) Format Direct B i t P o s i t i o n 1 5 1 4 1 3 1 2 1 1 1 0 9876543210 Access R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W Function Two’s Complement Integer D e f a u l t V a l u e 0000011100001000 Command VIN_UV_WARN_LIMIT (58h) Format Direct B i t P o s i t i o n 1 5 1 4 1 3 1 2 1 1 1 0 9876543210 Access R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W Function Two’s Complement Integer D e f a u l t V a l u e 0000000000000000

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11.40 VIN_UV_FAULT_LIMIT (59h)

Definition: Sets the VIN undervoltage fault threshold. 10mV per LSB. If using VIN_ON and VIN_OFF commands, this command should be set to 0V. Access: Paged (always set to 0x00) Data Length in Bytes: 2 Data Format: Direct Type: R/W Default Value: 02D0h (7200mV) Units: mV Equation: VIN UV Fault Limit = (Direct value) × 10 Range: -327680mV to 327670mV Command VIN_UV_FAULT_LIMIT (59h) Format Direct B i t P o s i t i o n 1 5 1 4 1 3 1 2 1 1 1 0 9876543210 Access R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W Function Two’s Complement Integer D e f a u l t V a l u e 0000001011010000

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11.41 VIN_UV_FAULT_RESPONSE (5Ah)

Definition: Configures the input undervoltage fault response. For a fault to be considered cleared, the input voltage must rise by 1/16th of the UV fault threshold value. Access: Paged (always set to 0x00) Data Length in Bytes: 1 Data Format: Bit Field Type: R/W Default Value: BCh (retry) Command VIN_UV_FAULT_RESPONSE (5Ah) Format Bit Field B i t P o s i t i o n 76543210 Access R/W R/W R/W R/W R/W R/W R/W R/W Function See Following Table D e f a u l t V a l u e 10111100 Bit Field Name Value Description 7:6 R e s p o n s e B e h a v i o r During a fault, the device: ▪ Pulls PMALRT low ▪ Sets the related fault bit in the status registers. 00 Continue without interruption. 10 Disable and retry according to the setting in Bits [5:3]. 5:3 Retry Setting 000 No retry. The output remains disabled until the device is restarted. 001-110 Not supported 111 Attempts to restart continuously, without limitation, until it is commanded OFF (by the CONTROL pin or OPERATION command), bias power is removed, or another fault condition causes the unit to shut down. The time between retries is set by Bits [2:0]. 2:0 Delay Time before Retry 001-110 Delay 25ms per LSB

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11.42 IIN_OC_FAULT_LIMIT (5Bh)

Definition: Sets the input overcurrent fault threshold for the synthesized input current reading at READ_IIN. 10mA per LSB. Access: Paged (always set to 0x00) Data Length in Bytes: 2 Data Format: Direct Type: R/W Default Value: 03E8h (10A) Units: A Equation: IIN OC Fault Limit = (Direct value) / 100 Range: -327.68A to 327.67A Command IIN_OC_FAULT_LIMIT (5Bh) Format Direct B i t P o s i t i o n 1 5 1 4 1 3 1 2 1 1 1 0 9876543210 Access R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W Function Two’s Complement Integer D e f a u l t V a l u e 0000001111101000

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11.43 IIN_OC_FAULT_RESPONSE (5Ch)

Definition: Configures the input overcurrent fault response for the synthesized input current reading at READ_IIN. Access: Paged (always set to 0x00) Data Length in Bytes: 1 Data Format: Bit Field Type: R/W Default Value: 04h (ignore) Command IIN_OC_FAULT_RESPONSE (5Ch) Format Bit Field B i t P o s i t i o n 76543210 Access R/W R/W R/W R/W R/W R/W R/W R/W Function See Following Table D e f a u l t V a l u e 00000100 Bit Field Name Value Description 7:6 R e s p o n s e B e h a v i o r During a fault, the device: ▪ Pulls PMALRT low ▪ Sets the related fault bit in the status registers. 00 Continue without interruption. 01-10 Not supported 5:3 Retry Setting 000 No retry. The output remains disabled until the device is restarted 001-110 Not supported 111 Attempts to restart continuously, without limitation, until it is commanded OFF (by the CONTROL pin or OPERATION command), bias power is removed, or another fault condition causes the unit to shut down. The time between retries is set by Bits [2:0]. 2:0 Delay Time before Retry 001-110 Delay 25ms per LSB

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11.44 IIN_OC_WARN_LIMIT (5Dh)

Definition: Sets the input overcurrent warning threshold. 10mA per LSB. Access: Paged (always set to 0x00) Data Length in Bytes: 2 Data Format: Direct Type: R/W Default Value: 3A98h (150A) Units: A Equation: IIN OC Warn Limit = (Direct value) / 100 Range: -327.68A to 327.67A

11.45 TON_DELAY (60h)

Definition: Sets the delay time from when the device is enabled to the start of VOUT rise. 10µs per LSB. Access: Paged (always set to 0x00) Data Length in Bytes: 2 Data Format: Direct Type: R/W Default Value: 0000h (0µs) Units: µs Equation: tON Delay = (Direct value) × 10 Range: 0µs to 655534µs Command IIN_OC_WARN_LIMIT (5Dh) Format Direct B i t P o s i t i o n 1 5 1 4 1 3 1 2 1 1 1 0 9876543210 Access R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W Function Two’s Complement Integer D e f a u l t V a l u e 0011101010011000 Command TON_DELAY (60h) Format Direct B i t P o s i t i o n 1 5 1 4 1 3 1 2 1 1 1 0 9876543210 Access R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W Function Unsigned Integer D e f a u l t V a l u e 0000000000000000

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11.46 TON_RISE (61h)

Definition: Sets the rise time of VOUT during enable. 1µs per LSB. Access: Paged (always set to 0x00) Data Length in Bytes: 2 Data Format: Direct Type: R/W Default Value: 1388h (5000µs) Units: µs Equation: tON Rise = (Direct value) Range: 0µs to 10000µs

11.47 TOFF_DELAY (64h)

Definition: Sets the delay time of VOUT during disable when configured for soft off. 10µs per LSB. Access: Paged (always set to 0x00) Data Length in Bytes: 2 Data Format: Direct Type: R/W Default Value: 0000h (0µs) Units: µs Equation: tOFF Delay = (Direct value) × 10 Range: 0µs to 655534µs Command TON_RISE (61h) Format Direct B i t P o s i t i o n 1 5 1 4 1 3 1 2 1 1 1 0 9876543210 Access R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W Function Unsigned Integer D e f a u l t V a l u e 0001001110001000 Command TOFF_DELAY (64h) Format Direct B i t P o s i t i o n 1 5 1 4 1 3 1 2 1 1 1 0 9876543210 Access R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W Function Unsigned Integer D e f a u l t V a l u e 0000000000000000

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11.48 TOFF_FALL (65h)

Definition: Sets the fall time of VOUT during disable when configured for soft off. 1µs per LSB. Access: Paged (always set to 0x00) Data Length in Bytes: 2 Data Format: Direct Type: R/W Default Value: 1388h (5000µs) Units: µs Equation: tOFF Fall = (Direct value) Range: 0µs to 10000µs Command TOFF_FALL (65h) Format Direct B i t P o s i t i o n 1 5 1 4 1 3 1 2 1 1 1 0 9876543210 Access R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W Function Unsigned Integer D e f a u l t V a l u e 0001001110001000

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11.49 STATUS_BYTE (78h)

Definition: Returns a summary of the device status. Based on the information in this byte, the host can get more information by reading the appropriate status registers. Access: Paged (always set to 0x00) Data Length in Bytes: 2 Data Format: Bit Field Type: Read Only Command STATUS_BYTE (78h) Format Bit Field B i t P o s i t i o n 76543210 A c c e s s RRRRRRRR Function See Following Table Bit Number Status Bit Name Meaning 7 BUSY A fault was declared because the device was busy and unable to respond. 6O F F This bit is asserted if the unit is not providing power to the output, regardless of the reason, including simply not being enabled. 5 VOUT_OV_FAULT An output overvoltage fault occurred. 4 IOUT_OC_FAULT An output overcurrent fault occurred. 3 VIN_UV_FAULT An input undervoltage fault occurred. 2 TEMPERATURE A temperature fault or warning occurred. 1 CML A communications, memory, or logic fault occurred. 0 None of the Above A fault other than those listed above occurred.

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11.50 STATUS_WORD (79h)

Definition: Returns a summary of the device status. Based on the information in these bytes, the host can get more information by reading the appropriate status registers. The low byte of the STATUS_WORD is the same as the STATUS_BYTE (78h) command. Access: Paged (always set to 0x00) Data Length in Bytes: 2 Data Format: Bit Field Type: Read Only Command STATUS_WORD (79h) Format Bit Field B i t P o s i t i o n 1 5 1 4 1 3 1 2 1 1 1 0 9876543210 A c c e s s RRRRRRRRRRRRRRRR Function See Following Table Bit Number Status Bit Name Meaning 15 V OUT An output voltage fault or warning occurred. 14 IOUT An output current fault occurred. 13 INPUT An input voltage fault or warning occurred. 12 MFR_SPECIFIC A manufacturer specific fault or warning occurred. 11 POWER_GOOD # The POWER_GOOD signal is negated. [1] 1. If the POWER_GOOD# Bit is set, this i ndicates that the POWER_GOOD signal is signaling that the output power is not good. 10:9 Not Supported Not supported 8 Unknown A fault other than those described in Bits 15:9 occurred. 7 Busy Device busy and unable to respond. 6O F F This bit is asserted if the unit is not providing power to the output, regardless of the reason, including simply not being enabled. 5 VOUT_OV_FAULT An output overvoltage fault occurred. 4 IOUT_OC_FAULT An output overcurrent fault occurred. 3 VIN_UV_FAULT An input undervoltage fault occurred. 2 TEMPERATURE A temperature fault or warning occurred. 1 CML A communications, memory, or logic fault occurred. 0 None of the Above A status change other than those listed above occurred.

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11.51 STATUS_VOUT (7Ah)

Definition: Returns a summary of output voltage status. Access: Paged (always set to 0x00) Data Length in Bytes: 1 Data Format: Bit Field Type: Read Only Command STATUS_VOUT (7Ah) Format Bit Field B i t P o s i t i o n 76543210 A c c e s s RRRRRRRR Function See Following Table Bit Number Status Bit Name Meaning 7 VOUT_OV_FAULT Indicates an output overvoltage fault occurred. 6:5 Not Supported Not supported 4 VOUT_UV_FAULT Indicates an output undervoltage fault occurred. 3 VOUT_MAX Warning Indicates an output voltage maximum warning occurred. 2:0 Not Supported Not supported

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11.52 STATUS_IOUT (7Bh)

Definition: Returns a summary of output current status. Access: Paged (always set to 0x00) Data Length in Bytes: 1 Data Format: Bit Field Type: Read Only Command STATUS_IOUT (7Bh) Format Bit Field B i t P o s i t i o n 76543210 A c c e s s RRRRRRRR Function See Following Table Bit Number Status Bit Name Meaning 7 IOUT_OC_FAULT An output overcurrent fault occurred.

6 Not Supported Not supported

5 Not supported Not supported

4 IOUT_UC_FAULT An output undercurrent fault occurred.

3 Reserved Reserved

2:0 Not Supported Not supported

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11.53 STATUS_INPUT (7Ch)

Definition: Returns a summary of input status. Access: Paged (always set to 0x00) Data Length in Bytes: 1 Data Format: Bit Field Type: Read Only Command STATUS_INPUT (7Ch) Format Bit Field B i t P o s i t i o n 76543210 A c c e s s RRRRRRRR Function See Following Table Bit Number Status Bit Name Meaning 7 VIN_OV_FAULT An input overvoltage fault occurred. 6 VIN_OV_WARN An input overvoltage warning occurred. 5 VIN_UV_WARN An input undervoltage warning occurred. 4 VIN_UV_FAULT An input undervoltage fault occurred. 3 VIN_ON/OFF Disabled because of insufficient input voltage. This could be VIN or VMON. 2 IIN_OC_FAULT An input overcurrent fault occurred. 1 IIN_OC_WARN An input overcurrent warning occurred.

0 Not Supported Not supported

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11.54 STATUS_TEMPERATURE (7Dh)

Definition: Returns a summary of temperature status. Access: Paged (always set to 0x00) Data Length in Bytes: 1 Data Format: Bit Field Type: Read Only Command STATUS_TEMPERATURE (7Dh) Format Bit Field B i t P o s i t i o n 76543210 A c c e s s RRRRRRRR Function See Following Table Bit Number Status Bit Name Meaning 7 OT_FAULT An over-temperature fault occurred. 6 OT_WARN An over-temperature warning occurred. 4 UT_FAULT An under-temperature fault occurred. 3:0 Not Supported Not supported

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11.55 STATUS_CML (7Eh)

Definition: Returns a summary of any communications, logic, and/or memory errors. Access: Global Data Length in Bytes: 1 Data Format: Bit Field Type: Read Only Command STATUS_CML (7Eh) Format Bit Field B i t P o s i t i o n 76543210 A c c e s s RRRRRRRR Function See Following Table Bit Number Status Bit Name Meaning 7 IUCR Invalid or unsupported PMBus command was received. This bit sets during device discovery when using PowerNavigator. 6 IUDR The PMBus command was sent with invalid or unsupported data. 5 PECF A packet error check failure was detected in the PMBus command. 4M F D Memory fault detected. This bit sets if the selected NVM configuration location is empty or invalid.

3 PFD Processor fault detected

2 Not Supported Not supported

1 OCF A communication fault other than the ones listed in this table occurred. 0 OMLF A memory or logical fault not listed previously was detected.

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11.56 STATUS_MFR_SPECIFIC (80h)

Definition: Returns a summary of the manufacturer specific status. Access: Global Data Length in Bytes: 1 Data Format: Bit Field Type: Read Only

11.57 READ_VIN (88h)

Definition: Returns the input voltage reading, scaled at 10mV per LSB. Access: Paged (always set to 0x00) Data Length in Bytes: 2 Data Format: Direct Type: Read Only Units: mV Equation: Read VIN = (Direct value) × 10 Command STATUS_MFR_SPECIFIC (80h) Format Bit Field B i t P o s i t i o n 76543210 A c c e s s RRRRRRRR Function See Following Table Bit Status Bit Name Meaning 7 ADCUNLOCK ADC clock unlock detected. 5 CFP Fault A CFP fault occurred.

4 Internal Temperature

Fault The controller internal temperature exceeded 130 °C. 3 BBEVENT A Black Box event occurred. 2 LMS Event A Last Man Standing event occurred. 1 SPS Fault An SPS overcurrent and/or over-temperature event occurred. Command READ_VIN (88h) Format Direct B i t P o s i t i o n 1 5 1 4 1 3 1 2 1 1 1 0 9876543210 A c c e s s RRRRRRRRRRRRRRRR Function Two’s Complement Integer

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11.58 READ_IIN (89h)

Definition: Returns the synthesized input current reading. 10mA per LSB. Access: Paged (always set to 0x00) Data Length in Bytes: 2 Data Format: Direct Type: Read Only Units: A Equation: Read IIN = (Direct value) / 100

11.59 READ_VOUT (8Bh)

Definition: Returns the output voltage reading. 1mV per LSB. Access: Paged (always set to 0x00) Data Length in Bytes: 2 Data Format: Direct Type: Read Only Units: mV Equation: Read VOUT = (Direct value) Command READ_IIN (89h) Format Direct B i t P o s i t i o n 1 5 1 4 1 3 1 2 1 1 1 0 9876543210 A c c e s s RRRRRRRRRRRRRRRR Function Two’s Complement Integer Command READ_VOUT (8Bh) Format Direct B i t P o s i t i o n 1 5 1 4 1 3 1 2 1 1 1 0 9876543210 A c c e s s RRRRRRRRRRRRRRRR Function Unsigned Integer

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11.60 READ_IOUT (8Ch)

Definition: Returns the output current reading. 0.1A per LSB. Access: Paged (always set to 0x00) Data Length in Bytes: 2 Data Format: Direct Type: Read Only Units: A Equation: Read IOUT = (Direct value) / 10

11.61 READ_TEMPERATURE_1 (8Dh)

Definition: Returns the temperature reading of the smart power stage. 1°C per LSB. Access: Paged (always set to 0x00) Data Length in Bytes: 2 Data Format: Direct Type: Read Only Units: °C Equation: Read Temperature 1 = (Direct value) Command READ_IOUT (8Ch) Format Direct B i t P o s i t i o n 1 5 1 4 1 3 1 2 1 1 1 0 9876543210 A c c e s s RRRRRRRRRRRRRRRR Function Two’s Complement Integer Command READ_TEMPERATURE_1 (8Dh) Format Direct B i t P o s i t i o n 1 5 1 4 1 3 1 2 1 1 1 0 9876543210 A c c e s s RRRRRRRRRRRRRRRR Function Two’s Complement Integer

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11.62 READ_TEMPERATURE_2 (8Eh)

Definition: Returns the internal controller temperature reading. 1°C per LSB. Access: Global Data Length in Bytes: 2 Data Format: Direct Type: Read Only Units: °C Equation: Read Temperature 2 = (Direct value)

11.63 READ_TEMPERATURE_3 (8Fh)

Definition: Returns the temperature reading from the TEMP pins. 1°C per LSB. Access: Paged (always set to 0x00) Data Length in Bytes: 2 Data Format: Direct Type: Read Only Units: °C Equation: Read Temperature 3 = (Direct value) Command READ_TEMPERATURE_2 (8Eh) Format Direct B i t P o s i t i o n 1 5 1 4 1 3 1 2 1 1 1 0 9876543210 A c c e s s RRRRRRRRRRRRRRRR Function Two’s Complement Integer Command READ_TEMPERATURE_3 (8Fh) Format Direct B i t P o s i t i o n 1 5 1 4 1 3 1 2 1 1 1 0 9876543210 A c c e s s RRRRRRRRRRRRRRRR Function Two’s Complement Integer

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11.64 READ_POUT (96h)

Definition: Returns the output power. 1W per LSB. Access: Paged (always set to 0x00) Data Length in Bytes: 2 Data Format: Direct Type: Read Only Units: W Equation: Read POUT = (Direct value)

11.65 READ_PIN (97h)

Definition: Returns the input power. 1W per LSB. Access: Paged (always set to 0x00) Data Length in Bytes: 2 Data Format: Direct Type: Read Only Units: W Equation: READ_PIN = (Direct value) Command READ_POUT (96h) Format Direct B i t P o s i t i o n 1 5 1 4 1 3 1 2 1 1 1 0 9876543210 A c c e s s RRRRRRRRRRRRRRRR Function Two’s Complement Integer Command READ_PIN (97h) Format Direct B i t P o s i t i o n 1 5 1 4 1 3 1 2 1 1 1 0 9876543210 A c c e s s RRRRRRRRRRRRRRRR Function Two’s Complement Integer

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11.66 PMBUS_REVISION (98h)

Definition: Returns the revision of the PMBus specification to which the device is compliant. Access: Global Data Length in Bytes: 1 Data Format: Bit Field Type: Read Only Default Value: 33h (Part 1 Revision 1.3, Part 2 Revision 1.3)

11.67 MFR_ID (99h)

Definition: Stores inventory information during manufacturing of end products. 4 bytes of space with no defined format. Access: Global Data Length in Bytes: 4 Data Format: Bit Field Type: Block R/W Default Value: 00000000h (empty)

11.68 MFR_MODEL (9Ah)

Definition: Stores inventory information during manufacturing of end products. 4 bytes of space with no defined format. Access: Global Data Length in Bytes: 4 Data Format: Bit Field Type: Block R/W Default Value: 00000000h (empty) Command PMBUS_REVISION (98h) Format Bit Field B i t P o s i t i o n 76543210 A c c e s s RRRRRRRR Function See Following Table D e f a u l t V a l u e 00110011 Bits 7:4 Part 1 Revision Bits 3:0 Part 2 Revision 0000 1.0 0000 1.0 0001 1.1 0001 1.1 0010 1.2 0010 1.2 0011 1.3 0011 1.3

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11.69 MFR_REVISION (9Bh)

Definition: Stores inventory information during manufacturing of end products. 4 bytes of space with no defined format. Access: Global Data Length in Bytes: 4 Data Format: Bit Field Type: Block R/W Default Value: 00000000h (empty)

11.70 MFR_DATE (9Dh)

Definition: Stores inventory information during manufacturing of end products. 4 bytes of space with no defined format. Access: Global Data Length in Bytes: 4 Data Format: Bit Field Type: Block R/W Default Value: 00000000h (empty)

11.71 IC_DEVICE_ID (ADh)

Definition: Reports device identification information. Access: Global Data Length in Bytes: 4 Data Format: Bit Field Type: Block Read Default Value: 49D2B000h Command IC_DEVICE_ID (ADh) Format Bit Field Byte Position 3 2 1 0 Function MFR Code ID High Byte ID Low Byte Reserved Default Value 49h D2h B0h 00h

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11.72 IC_DEVICE_REV (AEh)

Definition: Reports device revision information. Access: Global Data Length in Bytes: 4 Data Format: Bit Field Type: Block Read Default Value: Based on the revision released

11.73 DMAFIX (C5h)

Definition: Location for DMA access when performing a fixed address memory access. There is no physical storage for this register. Access: Global Data Length in Bytes: 4 Data Format: Bit Field Type: R/W Default Value: 0000h Units: N/A

11.74 DMASEQ (C6h)

Definition: Location for DMA access when performing a auto-increment address memory access. A series of reads or writes accesses sequential memory locations, with the value of DMAADDR incremented with each access. The reads or writes can be singular 32-bit transfers or unlimited bursts. There is no physical storage for this register. Access: Global Data Length in Bytes: 4 Data Format: Bit Field Type: R/W Default Value: 0000h Units: N/A Command IC_DEVICE_REV (AEh) Format Bit Field Bit Position 31:24 23:8 7:0 Function Hardware Revision Reserved Firmware Revision

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11.75 DMAADDR (C7h)

Definition: Specifies the target address of a DMA read or write to system memory. This command is used for indirect access to any system memory. Access: Global Data Length in Bytes: 2 Data Format: Bit Field Type: R/W Default Value: 0000h Units: N/A

11.76 PEAK_OC_LIMIT (CDh)

Definition: Sets the peak overcurrent limit thresholds for each phase within the rail. 0.1A per LSB. Access: Paged (always set to 0x00) Data Length in Bytes: 2 Data Format: Direct Type: R/W Equation: Peak Phase OC Limit = (Direct value) / 10 Units: A Default Value: 01F4h (50A) Range: Depends on configuration Command DMAADDR (C7h) Format Bit Field B i t P o s i t i o n 1 5 1 4 1 3 1 2 1 1 1 0 9876543210 Access R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W Function See Following Table D e f a u l t V a l u e 0000000000000000 Bit Field Name Meaning 15:13 REGION 000 - RAM 12:0 DMAADDR The 13-bit target address Command PEAK_OC_LIMIT (CDh) Format Direct B i t P o s i t i o n 1 5 1 4 1 3 1 2 1 1 1 0 9876543210 Access R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W Function Two’s Complement Integer D e f a u l t V a l u e 0000000111110100

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11.77 PEAK_UC_LIMIT (CEh)

Definition: Sets the peak undercurrent limit thresholds for each phase within the rail. 0.1A per LSB. Access: Paged (always set to 0x00) Data Length in Bytes: 2 Data Format: Direct Type: R/W Equation: Peak Phase UC Limit = (Direct value) / 10 Units: A Default Value: FE0C (-50A) Range: Depends on configuration

11.78 VMON_ON (D0h)

Definition: Sets the VMON pin input voltage rising threshold at which the output can be enabled. 10mV per LSB. Access: Global Data Length in Bytes: 2 Data Format: Direct Type: R/W Default Value: 1C2h (4.5V) Units: mV Equation: VMON On = (Direct value) × 10 Range: 0mV to 32767mV Command PEAK_UC_LIMIT (CEh) Format Direct B i t P o s i t i o n 1 5 1 4 1 3 1 2 1 1 1 0 9876543210 Access R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W Function Two’s Complement Integer D e f a u l t V a l u e 1111111000001100 Command VMON_ON (D0h) Format Direct B i t P o s i t i o n 1 5 1 4 1 3 1 2 1 1 1 0 9876543210 Access R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W Function Unsigned Integer D e f a u l t V a l u e 0000000111000010

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11.79 VMON_OFF (D1h)

Definition: Sets the VMON pin input voltage falling threshold at which the output disables. 10mV per LSB. Access: Global Data Length in Bytes: 2 Data Format: Direct Type: R/W Default Value: 190h (4V) Units: mV Equation: VMON_OFF = (Direct value) × 10 Range: 0mV to 32767mV Command VMON_OFF (D1h) Format Direct B i t P o s i t i o n 1 5 1 4 1 3 1 2 1 1 1 0 9876543210 Access R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W Function Unsigned Integer D e f a u l t V a l u e 0000000110010000

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11.80 COMPPROP (DDh)

Definition: Sets the proportional gain of the compensation loop. Access: Paged (always set to 0x00) Data Length in Bytes: 4 Data Format: Bit Field Type: R/W Default Value: D80189C4h Command COMPPROP (DDh) Format Bit Field Bit Position 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 Access R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W Function See Following Table D e f a u l t V a l u e 1101100000000001 B i t P o s i t i o n 1 5 1 4 1 3 1 2 1 1 1 0 9876543210 Access R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W Function See Following Table D e f a u l t V a l u e 1000100111000100 Bit Position Function 31:28 Proportional gain mantissa >8 phase override, use normal P gain if value = 0 and shift = 0 27:25 Proportional gain exponent >8 phase override, use normal P gain if value = 0 and shift = 0 24:21 Proportional gain mantissa 2-phase override, use normal P gain if value = 0 and shift = 0

20 Not Used

19:17 Proportional gain exponent 2-phase override, use normal P gain if value = 0 and shift = 0 16:13 Proportional gain mantissa 1-phase override, use normal P gain if value = 0 and shift = 0

12 Not Used

11:9 Proportional gain exponent 1-phase override, use normal P gain if value = 0 and shift = 0 8 FIR filter length, 0 = none or 1 = ON Must be set if using D term for PID, optional if not using D term 7:4 Proportional gain mantissa is (value/8), all phase counts, if value = 0 gain is 0

3 Not Used

2:0 Proportional gain exponent is 2^(shift-3), all phase counts, if value = 0 and shift = 0 gain is 0

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11.81 COMPINTEG (DEh)

Definition: Sets the integral gain of the compensation loop. Access: Paged (always set to 0x00) Data Length in Bytes: 4 Data Format: Bit Field Type: R/W Default Value: 00A8h Command COMPINTEG (DEh) Format Bit Field Bit Position 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 Access R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W Function See Following Table D e f a u l t V a l u e 0000000000000000 B i t P o s i t i o n 1 5 1 4 1 3 1 2 1 1 1 0 9876543210 Access R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W Function See Following Table D e f a u l t V a l u e 0000000010101000 Bit Position Function 31:16 Not Used 15:12 Delay time for stepping down gain towards shift. DCM when in DCM, in 16×clkTs per gain step 11:8 Gain when in DCM for a while 7:4 Maximum gain used when Integral movement detected Gain is 2^(-shift-1) 3:0 Gain is 2^(-shift-1)

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11.82 COMPDIFF (DFh)

Definition: Sets the differential gain of the compensation loop. Access: Paged (always set to 0x00) Data Length in Bytes: 2 Data Format: Bit Field Type: R/W Default Value: 0020h Command COMPDIFF (DFh) Format Bit Field B i t P o s i t i o n 1 5 1 4 1 3 1 2 1 1 1 0 9876543210 Access R R R/W R/W R R R/W R/W R R/W R/W R/W R/W R/W R/W R/W Function See Following Table D e f a u l t V a l u e 0000000000100000 Bit Number Setting 15:13 Reserved

12 FIR filter length 0 or 1

11:8 Differentiator gain mantissa 1-phase override, use normal P gain if value = 0 and shift = 0 7:6 Differentiator gain exponent 1-phase override, use normal P gain if value = 0 and shift = 0 5:2 Differentiator gain mantissa (value/8) 1:0 Differentiator gain exponent 2^(shift+1 + P-shift) range 0:3

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11.83 COMPCFB (E0h)

Definition: Sets the AC current feedback gain of the compensation loop. Access: Paged (always set to 0x00) Data Length in Bytes: 2 Data Format: Bit Field Type: R/W Default Value: 6840h

11.84 HS_BUS_CURRENT_SCALE (E3h)

Definition: Sets the scaling value for the high speed bus output current reporting. 16 bits with 14 fractional bits. A value of 0x4000 is a scale factor of 1.0. A value of 0x0000 is also interpreted as a scale factor of 1.0. Access: Paged (always set to 0x00) Data Length in Bytes: 2 Data Format: Direct Type: R/W Default Value: 4000h (1.0) Units: Scale Factor Equation: HS Bus Current Scale = (Direct value) × 2-14 Range: 0 to 4.0 Command COMPCFB (E0h) Format Bit Field B i t P o s i t i o n 1 5 1 4 1 3 1 2 1 1 1 0 9876543210 Access R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W Function See Following Table D e f a u l t V a l u e 0110100001000000 Bit Number Function 15:8 High-pass filter coefficient for current feedback 7:0 Current feedback gain, low droop cases Command HS_BUS_CURRENT_SCALE (E3h) Format Direct B i t P o s i t i o n 1 5 1 4 1 3 1 2 1 1 1 0 9876543210 Access R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W Function Unsigned Integer D e f a u l t V a l u e 0100000000000000

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11.85 PHASE_CURRENT (E4h)

Definition: Returns the individual phase current reading for the phase selected in PHASE (04h). 0.1A per LSB. Access: Global Data Length in Bytes: 2 Data Format: Direct Type: Read Only Units: A Equation: Phase current = (Direct value) / 10

11.86 PHASE_TEMPERATURE (E5h)

Definition: Returns the individual phase temperature reading for the phase selected in PHASE (04h). 1°C per LSB. Access: Global Data Length in Bytes: 2 Data Format: Direct Type: Read Only Units: °C Equation: Phase Temperature = (Direct value) Command PHASE_CURRENT (E4h) Format Direct B i t P o s i t i o n 1 5 1 4 1 3 1 2 1 1 1 0 9876543210 A c c e s s RRRRRRRRRRRRRRRR Function Two’s Complement Integer Command PHASE_TEMPERATURE (E5h) Format Direct B i t P o s i t i o n 1 5 1 4 1 3 1 2 1 1 1 0 9876543210 A c c e s s RRRRRRRRRRRRRRRR Function Two’s Complement Integer

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11.87 PEAK_OCUC_COUNT (E9h)

Definition: Sets the number of consecutive switch cycles that can exceed the peak per-phase overcurrent limit threshold before generating a fault within the rail. A value of 0 disables the fault shutdown and produces a constant current effect. Access: Paged (always set to 0x00) Data Length in Bytes: 2 Data Format: Bit Field Type: R/W Equation: Peak UC Count = (Direct value [15:8]), Peak OC Count = (Direct value [7:0]) Units: Cycles Default Value: 0606h (6 cycles OC and 6 cycles UC) Range: 1 cycle - 255 cycles Command PEAK_OCUC_COUNT (E9h) Format Bit Field B i t P o s i t i o n 1 5 1 4 1 3 1 2 1 1 1 0 9876543210 Access R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W Function See Following Table D e f a u l t V a l u e 0000011000000110 Bit Number Meaning 15:8 Number of consecutive switch cycles exceeding peak UC limit before fault. 7:0 Number of consecutive switch cycles exceeding peak OC limit before fault.

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11.88 SLOW_IOUT_OC_LIMIT (EAh)

Definition: Sets the slow sum output overcurrent fault threshold. 100mA per LSB. A value of 0 disables this function. Access: Paged (always set to 0x00) Data Length in Bytes: 2 Data Format: Direct Type: R/W Default Value: 01F4h (50A) Units: A Equation: Slow IOUT OC Limit = (Direct value) / 10 Range: 0A to 3276A

11.89 FAST_OC_FILT_COUNT (EBh)

Definition: Sets the fast sum output overcurrent fault filter settings. Access: Paged (always set to 0x00) Data Length in Bytes: 2 Data Format: Bit Field Type: R/W Default Value: 0696h (Filter = 10.7µs, Delay = 100µs) Command SLOW_IOUT_OC_LIMIT (EAh) Format Direct B i t P o s i t i o n 1 5 1 4 1 3 1 2 1 1 1 0 9876543210 Access R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W Function Two’s Complement Integer D e f a u l t V a l u e 0000000111110100 Command FAST_OC_FILT_COUNT (EBh) Format Bit Field B i t P o s i t i o n 1 5 1 4 1 3 1 2 1 1 1 0 9876543210 Access R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W Function See Following Table D e f a u l t V a l u e 0000011010010110 Bit Number Purpose Setting 15:12 Not Used Not used 11:8 Filter Setting Time constant = 166.7ns × 2^direct value. Range is 167ns to 5.46ms. 7:0 Delay Setting Delay 0.667µs × direct value before a fault is generated. Range is 0µs to 170µs.

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11.90 SLOW_OC_FILT_COUNT (ECh)

Definition: Sets the slow sum output overcurrent fault filter settings. Access: Paged (always set to 0x00) Data Length in Bytes: 2 Data Format: Bit Field Type: R/W Default Value: 0606h (Filter = 10.7µs, Delay = 1024µs) Command SLOW_OC_FILT_COUNT (EBh) Format Bit Field B i t P o s i t i o n 1 5 1 4 1 3 1 2 1 1 1 0 9876543210 Access R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W Function See Following Table D e f a u l t V a l u e 0000011000000110 Bit Number Purpose Setting 15:12 Not Used Not used 11:8 Filter Setting Time constant = 166.7ns × 2^direct value. Range is 167ns to 5.46ms. 7:0 Delay Setting Delay 170.7µs × direct value before a fault is generated. Range is 0µs to 43.5ms.

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11.91 LOOPCFG (F0h)

Definition: Configures various rail settings. To make a change, read the value, modify only the desired bits, and write the value while preserving the bit settings. Access: Paged (always set to 0x00) Data Length in Bytes: 4 Data Format: Bit Field Type: R/W Default Value: 002371B6h Command LOOPCFG (F0h) Format Bit Field Bit Position 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 Access R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W Function See Following Table D e f a u l t V a l u e 0000000000100011 B i t P o s i t i o n 1 5 1 4 1 3 1 2 1 1 1 0 9876543210 Access R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W Function See Following Table D e f a u l t V a l u e 0111000110110110 Bit Position Field Function

31 Not Used Not used

30:29 Reserved Reserved

28 Reserved Reserved

27:12 Reserved Reserved 11:8 Minimum Phase Count Minimum phase count, 0-2

7 Reserved Reserved

6 Reserved Reserved

5:4 Reserved Reserved 3:1 Reserved Reserved

0 Reserved Reserved

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11.92 RESTORE_CFG (F2h)

Definition: Identifies the user configuration ID to be restored from NVM and loads the stored settings into the active memory of the device. This command should only be used while the output is disabled. Restore takes 3ms to complete. Access: Global Data Length in Bytes: 1 Data Format: Bit Field Type: R/W Default Value: 00h Command RESTORE_CFG (F2h) Format Bit Field B i t P o s i t i o n 76543210 Access R R R R R/W R/W R/W R/W Function See Following Table D e f a u l t V a l u e 00000000 Bit Number Status Bit Name Meaning 7:4 Reserved Reserved 3:0 CONFIG Selected user configuration ID to restore, 0-15.

R16DS0218EU0103 Rev.1.03 Page 102 Jun 15, 2023 RAA210130 Datasheet 12. Package Outline Drawing For the most recent package outline drawing, see V130.10x13. V130.10x13

130 Ball Plastic Ball Grid Array Package (POP)

Rev 0, 6/2021

R16DS0218EU0103 Rev.1.03 Page 103 Jun 15, 2023 RAA210130 Datasheet 13. Ordering Information 14. Revision History Part Number[1][2] 1. These Pb-free BGA packaged products employ special Pb-free mate rial sets; molding compounds/die attach materials and SnAgCu-e6 solder ball terminals, which are RoHS compliant and compatible with both SnPb and Pb-free soldering operations. Pb-free BGA packaged products are MSL classified at Pb-free peak reflow temperatures that meet or exceed the Pb-free requirements of IPC/JEDEC J-STD-020. 2. For Moisture Sensitivit y Level (MSL), see the RAA210130 product information page. For more information about MSL, see TB363. Part Marking Package Description[3] (RoHS Compliant) 3. For the Pb-Free Reflow Profile, refer to R70TB0004EU. PKG. Dwg.# Carrier Type Junction Temp. Range RAA210130GBG#AD0 RAA210130 130 Ball BGA+POP V130.10X13 Tray -40 to +125°C RTKA210130DE0020BU Evaluation Board Rev. Date Description

1.03 Jun 15, 2023

Moved ESD to Abs Max section. Removed reference to TB493. Added Note 3 to the ordering information table. 1.02 Oct 6, 2022 Footnote 3 removed from Ordering Information. 1.01 Jun 8, 2022 Updated Table 1 Note. Updated Table 3 by adding Note and references. 1.00 May 16, 2022 Initial release.

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