DC3230A AD | Alldatasheet
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Technical content
Rev. 0
DESCRIPTION
Bidirectional Dual-Phase Single Output ±32A Inverting μModule Regulator Demonstration circuit 3230A features the LTM®4652, a high efficiency, bidirectional dual-phase μModule® regu- lator configured as a single 32A, –5V output. The input voltage range is from 4.5V to 13V. For this inverting out- put demo board, the maximum V IN + |VOUT| should not exceed 18V. Derating is necessary for certain V IN, VOUT , frequency and thermal conditions. This demo board can be configured to source or sink output load current. Hardware test setup diagrams for both conditions are described in later sections. This demo board is optimized using a default frequency of 780kHz under the 9V IN and –5V OUT condition. The cur - rent mode architecture used in LTM4652 is peak current mode control. The part operates in continuous current mode by default but can be placed in pulse-skipping mode to optimize efficiency at light loads. All registered trademarks and trademarks are the property of their respective owners. LTM4652 is available in a thermally enhanced 144-lead (16mm × 16mm × 4.92mm) BGA package. Temperature sensing options are included via onboard circuit. The module package features an exposed metal top, electri - cally unconnected for heatsinking capability. Note that the inverting configuration of LTM4652 has a different maximum current limit compared to the non - inverting configuration. The LT M4652 data sheet gives a complete description of the operation and application information. It is recommended to read the data sheet and demo manual of LT M4652 prior to use or making any hardware changes to DC3230A. Design files for this circuit board are available. BOARD PHOTO Part marking is either ink mark or laser mark
current condition and follow the test procedures below.
- With power off, connect the input power supply
between VIN (J1) and GND (J3).
- Connect the output load’ s positive lead to GND (J2)
- Connect a DMM between the input test points: VIN (E3)
- Prior to powering up the DC3230A, check the default
set in the “ON” position (refer to Table 1). Table 1. Demo Board Default Jumpers and Switches Position
- Turn on the power supply at the input, measure and
- Once the input and output voltages are properly estab-
switching node waveforms, and other parameters.
Figure 1. DC3230A Demo Board Test Setup for Sourcing Current
use electric load to test sinking current capability.
- With power off, connect an ammeter to VIN (J1), then
in parallel between the ammeter and GND (J3).
- On the output, starting from VOUT– ( J4), connect
VF_DIODE + |VOUT|. Refer to 1N5831 as an example.
- Connect a DMM between the input test points: VIN (E3)
- Prior to powering up the DC3230A, check the default
position of the jumpers (refer to Table 2). Table 2. Demo Board Default Jumpers and Switches Position
- Turn on the output bias power supply, measure and
supply voltage and raise V IN between 4.5V and 13V.
- Once the input and output voltages are properly estab-
lished, adjust the input voltage to 9V.
- When sinking current in this configuration, an elec-
- The output sinking current can now be applied
lastly, turn off the output VBIAS power supply.
Figure 2. DC3230A Demo Board Test Setup for Sinking Current
- DC3230A provides a convenient onboard BNC termi -
nal to accurately measure the output ripple voltage. AC-coupling) to observe the output ripple voltage. Figure 3. Scope Probe Placement for Measuring Input
- Onboard Load Step Circuit: DC3230A provides
load transients for each channel. and fall time of the input voltage pulse.
- Level Shift Circuits (RUN, SYNC and PGOOD): Level
and GND over a frequency range of 250kHz to 780kHz. a 0Ω resistor is placed at R111.
- Temperature Sensing : LTM4652 IC temperature is
measured with an onboard circuit utilizing LTC®2997.
Figure 8. Measured Thermal Captures Without Forced Airflow
Rev. 0 PARTS LIST ITEM QTY REFERENCE PART DESCRIPTION MANUFACTURER/PART NUMBER 17 2 D1, D2 DIODE, SCHOTTKY, 30V, 250mW, 100mA, SOD-323 CENTRAL SEMI., CMDSH-3 TR LEAD FREE 18 1 L1 IND., 33μH, PWR, SHIELDED, 20%, 3.6A, 105mΩ, 6.56mm × 6.36mm, AEC-Q200, XAL6060 COILCRAFT , XAL6060-333MEB 19 1 Q1 XSTR., MOSFET , P-CH, 50V, 0.13A, SOT23-3 FAIRCHILD SEMI, BSS84 20 1 Q2 XSTR., MOSFET , N-CH, 40V, 14A, DPAK (TO-252) VISHAY, SUD50N04-8M8P-4GE3 21 2 Q3, Q4 XSTR., MOSFET N-CH, 30V, 350mA, SOT-323 NEXPERIA, NX3008NBKW , 115 22 1 R4 RES., 8.06k, 1%, 1/10W, 0603 YAGEO, RC0603FR-078K06L 23 1 R6 RES., 845k, 1%, 1/10W, 0603, AEC-Q200 VISHAY, CRCW0603845KFKEA 24 5 R7, R16, R112, R113, R115 RES., 0Ω, 1/10W, 0603, AEC-Q200 PANASONIC, ERJ3GEY0R00V 25 1 R8 RES., 10k, 5%, 1/10W, 0603, AEC-Q200 NIC, NRC06J103TRF 26 1 R9 RES., 2k, 1%, 1/10W, 0603 NIC, NRC06F2001TRF 27 2 R19, R34 RES., 20k, 1%, 1/10W, 0603 NIC, NRC06F2002TRF 28 3 R20, R22, R107 RES., 20k, 5%, 1/10W, 0603, AEC-Q200 NIC, NRC06J203TRF 29 4 R21, R28, R29, R32 RES., 0Ω, 1/10W, 0603, AEC-Q200 VISHAY, CRCW06030000Z0EA 30 2 R25, R26 RES., 0.01Ω, 1%, 1W, 2512, PWR, METAL, SENSE, AEC-Q200 VISHAY, WSL2512R0100FEA 31 1 R27 RES., 10Ω, 1%, 1/10W, 0603 VISHAY, CRCW060310R0FKEA 32 1 R105 RES., 105k, 1%, 1/10W, 0603, AEC-Q200 VISHAY, CRCW0603105KFKEA 33 4 R106, R108, R109, R110 RES., 80.6k, 1%, 1/10W, 0603 VISHAY, CRCW060380K6FKEA 34 1 U1 IC, BiDR μModule REG DUAL ±25A, or SINGLE ±50A DC/DC, PRELIM ANALOG DEVICES, LTM4652EY#PBF 35 1 U2 IC, REMOTE INTERNAL TEMP SENSOR, 6-PIN DFN 2mm × 3mm ANALOG DEVICES, LTC2997IDCB#TRMPBF 36 1 U7 IC, SYNCHR. STEP-DOWN CONVERTER, MSOP-16 ANALOG DEVICES, LTC3630EMSE#PBF Additional Demo Board Circuit Components 1 0 C3, C8, C17, C51, C53 CAP ., OPTION, 0603 OPT 2 0 C10-C13, CO7, CO8 CAP ., OPTION, 1210 OPT 3 0 CO4, CO5, CO12, CO13 CAP ., OPTION, 7343 OPT 4 0 R2, R3, R5, R10-R14, R17, R31, R33, R111, R114 RES., OPTION, 0603 OPT Hardware for Demo Board Only 1 13 E1-E6, E8, E9, E11-E13, E16, E19 TEST POINT , TURRET , 0.064" MTG. HOLE, PCB 0.062" THK 2 4 J1-J4 EVAL BOARD STUD HARDWARE SET , #10-32 ANALOG DEVICES, 720-0010 3 2 J5, J6 CONN., RF , BNC, RCPT , JACK, 5-PIN, ST , THT , 50ΩAMPHENOL RF , 112404 4 1 JP1 CONN., HDR, MALE, 2×3, 2mm, VERT , ST , THT WURTH ELEKTRONIK, 62000621121 5 2 JP2, JP9 CONN., HDR, MALE, 1×3, 2mm, VERT , ST , THT , NO SUBS. ALLOWED WURTH ELEKTRONIK, 62000311121 6 4 MP1-MP4 STANDOFF , NYLON, SNAP-ON, 0.25" (6.4mm) KEYSTONE, 8831 7 3 XJP1, XJP2, XJP9 CONN., SHUNT , FEMALE, 2-POS, 2mm WURTH ELEKTRONIK, 60800213421
Rev. 0 SCHEMATIC DIAGRAM D D C C B B A A NOTE: UNLESS OTHERWISE SPECIFIED, 1. ALL CAPACITORS, RESISTORS 0603.
REVISION HISTORY
EXT_CLK PSM FCM 03-09-2022 ECO DATEDESCRIPTION PRODUCTION REV APPROVED 2 Jing L. LEVEL SHIFT CIRCUITS FOR RUN AND PGOOD Monday, August 22, 2022 HIGH EFFICIENCY, +/- 32A INVERTING DC/DC uMODULE REGULATOR VIN INTVCC VO+ VO- INTVCC VIN VO+ VO- EXTVCC VOUT- VOUT- VOUT- VOUT- VOUT- VOUT- VOUT- VOUT- VOUT- VOUT- INTVCC VOUT- VOUT- VOUT- VOUT- VOUT- INTVCC VOUT- VOUT- VOUT- +5V INTVCC U1_TEMP+ U1_TEMP- DATE: SHEET OF TITLE: SCHEMATIC APPROVALS PCB DES. APP ENG. SIZE: SCHEMATIC NO. AND REVISION: CUSTOMER NOTICE THIS CIRCUIT IS PROPRIETARY TO ANALOG DEVICES AND SUPPLIED FOR USE WITH ANALOG DEVICES PARTS. SKU NO. IC NO. ANALOG DEVICES HAS MADE A BEST EFFORT TO DESIGN A CIRCUIT THAT MEETS CUSTOMER-SUPPLIED SPECIFICATIONS; HOWEVER, IT REMAINS THE CUSTOMER'S RESPONSIBILITY TO VERIFY PROPER AND RELIABLE OPERATION IN THE ACTUAL APPLICATION. COMPONENT SUBSTITUTION AND PRINTED CIRCUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT PERFORMANCE OR RELIABILITY. CONTACT ANALOG DEVICES APPLICATIONS ENGINEERING FOR ASSISTANCE. ANALOG DEVICES HZ Ling J. LTM4652EY DC3230A 710-DC3230A_REV02 N/A DATE: SHEET OF TITLE: SCHEMATIC APPROVALS PCB DES. APP ENG. SIZE: SCHEMATIC NO. AND REVISION: CUSTOMER NOTICE THIS CIRCUIT IS PROPRIETARY TO ANALOG DEVICES AND SUPPLIED FOR USE WITH ANALOG DEVICES PARTS. SKU NO. IC NO. ANALOG DEVICES HAS MADE A BEST EFFORT TO DESIGN A CIRCUIT THAT MEETS CUSTOMER-SUPPLIED SPECIFICATIONS; HOWEVER, IT REMAINS THE CUSTOMER'S RESPONSIBILITY TO VERIFY PROPER AND RELIABLE OPERATION IN THE ACTUAL APPLICATION. COMPONENT SUBSTITUTION AND PRINTED CIRCUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT PERFORMANCE OR RELIABILITY. CONTACT ANALOG DEVICES APPLICATIONS ENGINEERING FOR ASSISTANCE. ANALOG DEVICES HZ Ling J. LTM4652EY DC3230A 710-DC3230A_REV02 N/A DATE: SHEET OF TITLE: SCHEMATIC APPROVALS PCB DES. APP ENG. SIZE: SCHEMATIC NO. AND REVISION: CUSTOMER NOTICE THIS CIRCUIT IS PROPRIETARY TO ANALOG DEVICES AND SUPPLIED FOR USE WITH ANALOG DEVICES PARTS. SKU NO. IC NO. ANALOG DEVICES HAS MADE A BEST EFFORT TO DESIGN A CIRCUIT THAT MEETS CUSTOMER-SUPPLIED SPECIFICATIONS; HOWEVER, IT REMAINS THE CUSTOMER'S RESPONSIBILITY TO VERIFY PROPER AND RELIABLE OPERATION IN THE ACTUAL APPLICATION. COMPONENT SUBSTITUTION AND PRINTED CIRCUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT PERFORMANCE OR RELIABILITY. CONTACT ANALOG DEVICES APPLICATIONS ENGINEERING FOR ASSISTANCE. ANALOG DEVICES HZ Ling J. LTM4652EY DC3230A 710-DC3230A_REV02 N/A GND CMDSH-3 + CO4 OPT 7343 + CO5 OPT 7343 R111 OPT CO11 220uF 6.3V 1210 CO10 220uF 6.3V 1210 E7 SW1 R16 VOUT- BSS84 C20 4.7uF 25V C53 OPT JP1 MODE 1 2 3 4 5 6 CIN8 22uF 25V 1210 R21 E12 RUN_EXT CIN6 22uF 25V 1210 CIN4 22uF 25V 1210 OPT C52 1uF 10V OPT R10 OPT CIN1 330uF 25V OPT R11 OPT LTM4652 VOUT1A1 VOUT1A2 VOUT1A3 VOUT1A4 VOUT1A5 GND A6 GND A7 VOUT2 A8VOUT2 A9VOUT2 A10VOUT2 A11VOUT2 A12 VOUT1B1 VOUT1B2 VOUT1B3 VOUT1B4 VOUT1B5 GND B6 GND B7 VOUT2 B8VOUT2 B9VOUT2 B10VOUT2 B11VOUT2 B12 VOUT1C1 VOUT1C2 VOUT1C3 VOUT1C4 VOUT1S C5 FSETC6 SGNDC7 VOUT2S C8 VOUT2 C9VOUT2 C10VOUT2 C11VOUT2 C12 GND D1 GND D2 GND D3 GND D4 VFB1 D5 SGNDD6 VFB2 D7 TRACK2 D8 GND D9 GND D10 GND D11 GND D12 GND E1 GND E2 GND E3 GND E4 TRACK1 E5 COMP1 E6 COMP2 E7 DIFFP E8 DIFFN E9 GND E10 GND E11 GND E12 GND F1 GND F2 GND F3MODE_PLLINF4 RUN1 F5 SGNDF6 SGNDF7 DIFFOUT F8 RUN2 F9 GND F10 GND F11 GND F12 GND G1 SW1 G2 GND G3 PHASEMDG4 CLKOUTG5 SGNDG6SGNDG7 PGOOD2 G8 PGOOD1 G9 GND G10 SW2 G11 GND G12 GND H1 GND H2 GND H3 GND H4 VINOVPH5 TEMP-H6 GND H7 INTVCCH8 GNDH9 GNDH10 GNDH11 GNDH12 GNDJ1 VINJ2 J3 VIN VINJ4 GNDJ5 TEMP+J6 EXTVCCJ7 GNDJ8 VINJ9 VINJ10 VINJ11 GNDJ12 GNDK1 VINK2 VINK3 VINK4 GNDK5 GNDK6 GNDK7 GND K8 VINK9 VINK10 VINK11 GND K12 GND L1 VINL2 VINL3 VINL4 VINL5 VINL6 VINL7 VINL8 VINL9 VINL10 VINL11 GND L12 GND M1 VINM2 VINM3 VINM4 VINM5 VINM6 VINM7 VINM8 VINM9 VINM10 VINM11 GND M12 CIN7 22uF 25V 1210 GND CIN3 1uF 25V 1206 E10 SW2 EXT_CLK CIN9 22uF 25V 1210 CIN5 22uF 25V 1210 R12 OPT R113 0 CO12 OPT 7343 R7 0 CO14 220uF 6.3V 1210 R22 20k 0.047uF CO8 OPT 1210 R17 OPT GND R31 OPT CO1 220uF 6.3V 1210 VIN 4.5V-13V 0.1uF R32 10kR6 845k E6 PGOOD R110 80.6k CO9 220uF 6.3V 1210 E11 TRACK CIN10 22uF 25V 1206 C21 4.7uF 25V GND 4.7uF 10V R20 20k CO7 OPT 1210 R114 OPT R109 80.6k JP2 ON OFF RUN1 CO2 220uF 6.3V 1210 NX3008NBKW 0.1uF + CIN2 330uF 25V R19 20k CO13 OPT 7343 CO3 220uF 6.3V 1210 EXTVCC OPT VOUT- -5V CLKOUT R14 OPT R108 80.6k CIN11 22uF 25V 1206 4.7uF 10V 8.06k R112 OPT OPT 330pF NX3008NBKW CO6 220uF 6.3V 1210 R13 OPT VIN TRACK VOUT1S VFB PGOOD COMP DIFFP DIFFN PLL VFB PGOOD COMP RUN TRACK RUN PGOOD PGOOD_OUT PGOOD_OUT RUN
Rev. 0 Information furnished by Analog Devices is believed to be accurate and reliable. However , no responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other rights of third parties that may result from its use. Specifications subject to change without notice. No license is granted by implication or otherwise under any patent or patent rights of Analog Devices. SCHEMATIC DIAGRAM D D C C B B A A DYNAMIC LOAD CIRCUIT PCA ADDITIONAL PARTS 5V BIAS ON OFF BIAS TEMPERATURE SENSE Monday, August 22, 2022 HIGH EFFICIENCY, +/- 32A INVERTING DC/DC uMODULE REGULATOR VOUT- VOUT- VIN +5V +5V U1_TEMP+ U1_TEMP- DATE: SHEET OF TITLE: SCHEMATIC APPROVALS PCB DES. APP ENG. SIZE: SCHEMATIC NO. AND REVISION: CUSTOMER NOTICE THIS CIRCUIT IS PROPRIETARY TO ANALOG DEVICES AND SUPPLIED FOR USE WITH ANALOG DEVICES PARTS. SKU NO. IC NO. ANALOG DEVICES HAS MADE A BEST EFFORT TO DESIGN A CIRCUIT THAT MEETS CUSTOMER-SUPPLIED SPECIFICATIONS; HOWEVER, IT REMAINS THE CUSTOMER'S RESPONSIBILITY TO VERIFY PROPER AND RELIABLE OPERATION IN THE ACTUAL APPLICATION. COMPONENT SUBSTITUTION AND PRINTED CIRCUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT PERFORMANCE OR RELIABILITY. CONTACT ANALOG DEVICES APPLICATIONS ENGINEERING FOR ASSISTANCE. ANALOG DEVICES 2 2 HZ Ling J. LTM4652EY DC3230A 710-DC3230A_REV02 N/A DATE: SHEET OF TITLE: SCHEMATIC APPROVALS PCB DES. APP ENG. SIZE: SCHEMATIC NO. AND REVISION: CUSTOMER NOTICE THIS CIRCUIT IS PROPRIETARY TO ANALOG DEVICES AND SUPPLIED FOR USE WITH ANALOG DEVICES PARTS. SKU NO. IC NO. ANALOG DEVICES HAS MADE A BEST EFFORT TO DESIGN A CIRCUIT THAT MEETS CUSTOMER-SUPPLIED SPECIFICATIONS; HOWEVER, IT REMAINS THE CUSTOMER'S RESPONSIBILITY TO VERIFY PROPER AND RELIABLE OPERATION IN THE ACTUAL APPLICATION. COMPONENT SUBSTITUTION AND PRINTED CIRCUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT PERFORMANCE OR RELIABILITY. CONTACT ANALOG DEVICES APPLICATIONS ENGINEERING FOR ASSISTANCE. ANALOG DEVICES 2 2 HZ Ling J. LTM4652EY DC3230A 710-DC3230A_REV02 N/A DATE: SHEET OF TITLE: SCHEMATIC APPROVALS PCB DES. APP ENG. SIZE: SCHEMATIC NO. AND REVISION: CUSTOMER NOTICE THIS CIRCUIT IS PROPRIETARY TO ANALOG DEVICES AND SUPPLIED FOR USE WITH ANALOG DEVICES PARTS. SKU NO. IC NO. ANALOG DEVICES HAS MADE A BEST EFFORT TO DESIGN A CIRCUIT THAT MEETS CUSTOMER-SUPPLIED SPECIFICATIONS; HOWEVER, IT REMAINS THE CUSTOMER'S RESPONSIBILITY TO VERIFY PROPER AND RELIABLE OPERATION IN THE ACTUAL APPLICATION. COMPONENT SUBSTITUTION AND PRINTED CIRCUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT PERFORMANCE OR RELIABILITY. CONTACT ANALOG DEVICES APPLICATIONS ENGINEERING FOR ASSISTANCE. ANALOG DEVICES 2 2 HZ Ling J. LTM4652EY DC3230A 710-DC3230A_REV02 N/A R105 105k C41 100uF 10V 1210 R27 E18VREF R25 0.01 2512 R34 20k E16 VPTAT LB1 BOARD S/N LABEL 895-0154 C19 470pF MP1 STANDOFF,NYLON,SNAP-ON,0.25" (6.4mm) MP4 STANDOFF,NYLON,SNAP-ON,0.25" (6.4mm) E13 EXT PULSE R106 80.6k C16 1uF 10V C10 OPT 1210 JP91 C12 OPT 1210 L1 33uH COILCRAFT-XAL6060C46 10uF 16V 1210 C49 0.047uF E19 GND RF,BNC IOUT STEP Q2 SUD50N04-8m8P MP2 STANDOFF,NYLON,SNAP-ON,0.25" (6.4mm) R26 0.01 2512 CMDSH-3 C51 OPT C17 1uF C11 OPT 1210 U7 LTC3630EMSE SW 1VIN3 FBO12 VPRG1 7 VPRG2 6 GND8 VFB 9 SS 10ISET11 GND 14 RUN5 GND 16 GND 17 C48 100uF 10V 1210 LTC2997-DCB D+1 D-2 VCC4 VPTAT 3 VREF 6 GND5 GND7 R28 0 C18 0.1uF R107 20k C22 0.1uF C13 OPT 1210 MP3 STANDOFF,NYLON,SNAP-ON,0.25" (6.4mm) R29 0 C47 220pF R33 OPT
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