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Technical content
Features
Î ÎManages communication to allow charging to occur Î ÎProvides multiple modes of charging to ensure all of the following specs can be met: à D CP, CDP, and SDP per BC1.0, 1.1, 1.2 spec à D CP per YD/T-1591 spec à S amsung fast charging à S ony Ericsson fast charging à A pple fast charging 1A and 2A à A mazon Kindle Fire Î ÎAutomatic USB Device Identification Circuit (used to determine charging mode required) Î ÎSingle Power Supply, 5V ±5% Î Î-40oC to +85o C Operating Temperature Range Î ÎIntegrated ESD protection up to +/- 4kV contact on pins 2 and 3 per IEC61000-4-2 spec Î ÎDetects and differentiates between High-Speed devices and mouse/keyboard (USB Low/Full Speed device) when in Auto dedicated charging mode Î ÎAnti-loop protection for hard disk drive (HDD) Î ÎPackaging (Pb-free & Green): à 8 -Contact TDFN, ZA (2.0mm x 2.0mm x 0.75mm) Power Switch Control Control Logic Plug/Unplug & Mode Detection References SB/ CTL Y-INT or INT/ SEL Notes: INT is only offered on PI5USB1458A version on pin 1 INT/ is only offered on PI5USB1458 version on pin 1 Block Diagram
Description
Notebook PCs are used around the world to charge battery-pow - ered handheld devices such as cell phones, tablets and MP3/MP4 players. Hand-held devices require communication with the notebook PC before they start to draw current. This ensures that the handheld device will obtain sufficient current when it wants to charge. The challenge is that notebook PC's do not provide acknowledge signal to the handheld device when the notebook is in “Sleep” mode. Pericom’s PI5USB1458(/A) solves this issue by setting the D+/D- pins in the notebook PC to the required signal levels dur - ing “sleep” mode. When the handheld device sees these required signal levels, it will then start to draw the current required to charge itself. Cell phones within today’s market use different communication schemes, so the switch will need to configure itself in different modes. PI5USB1458 (/A) can alternate between modes automati- cally, once device type is correctly detected. D+, D- are protected with Pericom’s ESD protection circuits sup- porting ESD damage as high as +/-4kV contact per IEC61000-4-2 specification. 13-0030
www.pericom.com P-0.1 07/12/13 PI5USB1458 USB Host Charger Controller IC PI5USB1458A Pin Description P5USB1458 PI5USB1458A Pin Name I/O Ty pe Description
1 N/A INT/ O
p-mosfet open source output. When SB/ observes a logic change (from H to L or from L to H). INT/ is high for ~ 2.4 seconds, otherwise INT/ is hi-z. External pull-down is required. N/A 1 INT O n-mosfet open drain output. When SB/ observes a logic change (from H to L or from L to H). INT is LOW for ~ 2.4 seconds, otherwise, INT is hi-z. External pull-up is required. 2 2 D- I/O USB Connector, D- connection 3 3 D+ I/O USB Connector, D+ connection 4 4 SEL I Input control logic (See truth table), 100k W pull down 5 5 V DD Power 5V power supply 6 6 Y+ I/O Host USB transceiver (if existent) D+ connection 7 7 Y- I/O Host USB transceiver (if existent) D- connection 8 8 SB/ I Control input to switch between S0 charging or sleep and charge * * GND Ground Exposed Pad. Connect to ground. SB/ SEL Feature pin 1 role (INT or INT/) 0 0 or 1 Auto dedicated charger with mouse/keyboard pass through INT or INT/ 1 0 S0 charging with SDP only INT or INT/ 1 1 S0 charging with CDP or SDP only (depending on external device) INT or INT/ PI5USB1458 and PI5USB1458A Truth Table GND SB/ V DD INT/ SEL 41 2 3 58 7 6 GND SB/ V DD INT SEL 41 2 3 58 7 6 PI5USB1458A pinoutPI5USB1458 pinout Pin Configuration (Top View) 13-0030
www.pericom.com P-0.1 07/12/13 PI5USB1458 USB Host Charger Controller IC PI5USB1458A Detailed Feature Description Auto Dedicated Charging Mode enabled When the PI5USB1458 (/A) is configured into auto mode with Auto dedicated charging mode enabled (see truth table to under- stand how to configure into auto mode), the charger controller will manage all communication with external devices to enable charging to occur. First, Pericom’s IC will use load sensing techniques to detect when a device has been plugged in. Once a device is properly detected, the Pericom IC will automatically switch to the appropriate charging mode required for the specific external USB device that was detected. Mouse/Keyboard pass through mode Explanation Today’s systems are enabled to wake up from S3 mode if a pre-enumerated mouse/keyboard has activity (movement or key-pressed). In order for the system to continue supporting this feature, the USB host controller must be able to communicate with the external device in S3 mode. Therefore, if a mouse/keyboard is detected (via the USB low-speed/ full-speed pass through feature), Pericom’s PI5USB1458 family will enable the communication between device and controller. Our device will automatically pass the signals through with minimal degradation. Once SB/ signal goes from high to low (indicating system has changed from S0 to S3), Pericom's device will detect the external USB device. If the device is detected as a mouse or keyboard (determined by looking at USB data-rate) we will ensure the connection between the USB device and USB host remains in place. Anti-Loop protection for HDD This circuit prevents hard disk drive from turning on and off continously. Auto Dedicated Charger mode description During Pericom's Auto dedicated charger mode, we automatically detect and enable DCP charging modes for all popular USB devices on the market. DCP stands for Dedicated Charging Port. Per the Battery Charging Spec, DCP is described as a host charging mode whereas only charging is allowed. Data transfer through USB, during DCP mode is not allowed. Per the Battery Charging Spec, the host charger must short D+ to D-, and in turn the USB device will draw up to 1.5A. Since the release of the Battery Charging Spec, certain mobile phone and tablet OEMs have released products with unique dedicated charging modes. When Pericom's Auto dedicated charger mode is enabled, we can automatically switch between dedicated charging modes per the Battery charging spec or other dedicated charging modes supported by specific OEMs. CDP mode description Charging Downstream Port (CDP) is the communication protocol found in host chargers capable of supplying up to 1.5A current to charge external USB devices. The communication scheme is defined clearly in the USB Battery Charging Spec 1.2. A CDP link can allow USB data to be transferred between the host charger and the external device as well as allow charging to occur. The actual current draw is managed by the external device while the CDP only limits the max current draw to 1.5A. Pericom is able to fully support this communication, which includes both a primary and secondary detection procedure. BC 1.2 Suspend Charging (DCP) The suspend-charge (DCP) mode defined in BC 1.2 is a manual-DCP-mode, is not exactly the same as the auto suspend-charge mode in PI5USB1458. In order to offer an accurate BC 1.2 suspend-charge (DCP) mode apply: "SB/" to 1 and “SEL” pin with 1.25V, Power-off, then after re-power-on PI5USB1458/A. 13-0030
www.pericom.com P-0.1 07/12/13 PI5USB1458 USB Host Charger Controller IC PI5USB1458A Electrical Parameters/Characteristics Recommended Operation Conditions Parameter Min. Ty p. Max. Unit Ambient Operating Temperature -40 +85 ºC VDD Power Supply Voltage (measured in respect to GND) +4.75 +5.25 V Symbol Parameter Conditions Min. Ty p. Max. Unit VDD Operating Voltage 4.75 5.25 V IDD Supply Current VDD = 5.25V SB/ = Low, SEL = Low 280 400 µA SB/ = Low, SEL = High 240 380 SB/ = High, SEL = Low 180 300 SB/ = High, SEL = High 160 250 VIH_SB Input High Voltage for SB/ VDD = 5V 1.4 V VIL_SB Input Low Voltage for SB/ VDD = 5V 0.4 VIH_SEL Input High Voltage for SEL V DD = 5V 2.6 VIL_SEL Input Low Voltage for SEL V DD = 5V 0.6 IIH_SB Input High Current for SB/ VDD = 5.25V, VSB/ = 5.25V -1 +1 µA IIL_SB Input Low Current for SB/ VDD = 5.25V, VSB/ = 0V -1 +1 IIH_SEL Input High Current for SEL VDD = 5.25V, VSEL = 5.25V -1 +1 IIL_SEL Input Low Current for SEL VDD = 5.25V, VSEL = 0V -1 +1 VOH for INT/ Output high voltage for INT/ PI5USB1458ZAE only, IOH=-4mA 4.0 V VOL for INT Output low voltage for INT PI5USB1458AZAE only, IOL= 4mA 0.25 V Maximum Ratings (Above which the useful life may be impaired. For user guidelines, not tested) Storage temperature A mbient Operating Temperature S Junction Temperature S oldering Temperature (Max of 10 seconds) Note: Stresses greater than those listed under MAXIMUM RATINGS may cause permanent damage to the device. This is a stress rating only and functional operation of the device at these or any other conditions above those indicated in the operational sections of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods may affect reliability. 13-0030
www.pericom.com P-0.1 07/12/13 PI5USB1458 USB Host Charger Controller IC PI5USB1458A Symbol Parameter Conditions Min. Ty p. Max. Unit RON Switch On-Resistance for USB 2.0 HS signal (From D± to Y± ) V DD = 4.75V, -0.4V < VINPUT < +0.4V, IINPUT = +30mA, SB/ = High 3 5 W RON Switch On-Resistance for USB 2.0 FS signal (From D± to Y± ) V DD = 5.0V, 0V < VINPUT < 3.3V IINPUT = -15mA , SB/ = High 10 IOZ I/O leakage on signal pins (D±, Y±) current when port is off V DD = 5.25V, VINPUT from 0V to 3.6V -5 +5 µA IOFF Signal leakage on signal pins (D±, Y±) when chip is off V DD = 0V, VINPUT from 0V to 5.25V -5 +5 µA Capacitance (For typical spec TA = 25ºC, for max spec TA = -40 to +85oC, f = 1MHz) Parameter Description Test Condition Ty p. Max. Unit CIN Control Logic Capacitance 2.7 4 pF COFF - USB path only Switch Capacitance at D± or Y± when switch is OFF SB/ = low 3.1 3.5 C ON - USB path only Switch Capacitance between D+/- to Y+/- when switch is ON SB/ = high 8 10 Dynamic Electrical Characteristics Over the Operating Range Parameter Description Test Condition Min. Ty p. Max. Units XTALK Crosstalk RL = 50Ω, freq = 240MHz (Figure 2) -30 dB OIRR Off-Isolation RL = 50Ω, freq = 240MHz (Figure 2) -30 -3dB BW -3dB Bandwidth (along D+/- path) R L = 50Ω 1,350 MHz -0.5dB BW -0.5dB Bandwidth (along D+/- path) R L = 50Ω 350 INLOSS Insertion loss (along D+/- path) freq = 240MHz (Figure 2) -0.60 dB 13-0030
www.pericom.com P-0.1 07/12/13 PI5USB1458 USB Host Charger Controller IC PI5USB1458A Internal Resistors (VDD = 5.0V +/- 5%, Ambient Temperature -40 to +85oC) Symbol Parameter Test Condition Min. Ty p. Max. Unit RPD D+/D- Short Pull-down 350 500 700 kΩ RTRP RP1/RP2 Ratio 1.485 1.5 1.515 Ratio RRP RP1 + RP2 Resistance 93.75 125.0 156.25 kΩ RTRM RM1/RM2 Ratio 0.8544 0.863 0.872 Ratio RPM RM1 + RM2 Resistance 69.75 93.0 115.18 kΩ CDP Mode Symbol Parameter Test Condition Min Max Units V_D-_ SRC Voltage source on D- for CDP detect VD- = 0.6V 0.5 0.7 V V_D+_ SINK D+_IN sink current 0.4V < = VD- < 0.8V 50 150 uA Parameter Description Test Condition Min Ty p Max Units Tpd Propagation delay Output has no load 0.3 ns Intra-Pair Skew Output skew, bit to bit (Between + and - of same pair) Output has no load 10 ps T ON Turn on time for USB path C L = 35pF, RL = 300W (Figure 1) 0.5 ms TOFF Turn off time for USB path C L = 35pF, RL = 300W (Figure 1) 0.25 Application Reccomendations & Reference Design Diagram PI5USB1458 - Pull down resistor @ INT# VDD SB/ GND INT SEL Mode selection (GPIO) USB controller SDP/CDP support selection (pull up or pull down resistor) Vbus switch VBUS GND +5V USB connector 0.1uF 22uF +5V PI5USB1458A 13-0030
www.pericom.com P-0.1 07/12/13 PI5USB1458 USB Host Charger Controller IC PI5USB1458A Pericom Semiconductor Corporation • 1-800-435-2336 Packaging Mechanical: 8-Pin TDFN (ZA) DATE: 08/08/12 DESCRIPTION: 8-contact, Thin Dual-in-Line Flat Package (TDFN) PACKAGE CODE: ZA8 DOCUMENT CONTROL #: PD-2068 REVISION: C Notes: 1. All dimensions are in mm. Angles in degrees. 2. Coplanarity applies to the exposed pad as well as the terminals. 3. Refer JEDEC MO-229 4. Thermal pad soldering area (mesh stencil design is recommended) 13-0126
Ordering Information
Ordering Code Package Code Package Description Top Mark PI5USB1458ZAE ZA Pb-free & Green, 8-pin TDFN JT PI5USB1458AZAE ZA Pb-free & Green, 8-pin TDFN JR Notes:
- Thermal characteristics can be found on the company web site at www.pericom.com/packaging/
- E = Pb-free and Green
- X suffix = Tape/Reel 13-0030