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BD99958GW Datasheet(PDF) 6 Page - Rohm |
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BD99958GW Datasheet(HTML) 6 Page - Rohm |
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6 / 130 page  6/126 21.Aug.2018 Rev.001 TSZ22111 • 15 • 001 © 2018 ROHM Co., Ltd. All rights reserved. www.rohm.com BD99958GW TSZ02201-0B4B0A700060-1-2 3. Pin Description Table 1. Pin Description # Ball No. [CSP] Pin Name Function 1 A1 REGN LDO output 2 A2 VCC DC power supply 3 A3 INT# Interrupt for I2C 4 A4 ACN Input current sense resistor negative input 5 A5 ACP Input current sense resistor positive input 6 A6 IADP/RESET Default input current limit setting pin and system register reset pin 7 B1 HG1 DC/DC buck side high side gate driver 8 B2 VBUS USB power supply 9 B3 PROCHOT# Active low open drain output of “processor hot” indicator. The charger IC monitors events like adapter current, battery discharge current. Once any event in PROCHOT# profile is triggered, a minimum 10 ms pulse is asserted. 10 B4 ACGATE1 Charge pump output to drive adapter input n-channel MOSFETs The ACGATE1 voltage is 5 V above VBUS during AC adapter insertion 11 B5 ACGATE2 Charge pump output to drive adapter input n-channel MOSFETs The ACGATE2 voltage is 5 V above VCC during AC adapter insertion. 12 B6 VBUS_DMI VBUS side USB D- input/output 13 C1 BOOT1 DC/DC buck side driver voltage output 14 C2 LX1 DC/DC buck side inductor connection 15 C3 - - 16 C4 VBUS_DPI VBUS side USB D+ input/output 17 C5 VBUS_DMO VBUS side USB D- output/input 18 C6 VBUS_DPO VBUS side USB D+ output/input 19 D1 LG1 DC/DC buck side low side gate driver 20 D2 LG2 DC/DC boost side low side gate driver 21 D3 ACOK AC adapter voltage detection open drain output 22 D4 VCC_DPI VCC side USB D+ input/output 23 D5 SA0 Slave address decide bit 1 pin input Need to connect the REGN pin or the GND pin 24 D6 VCC_DMI VCC side USB D- input/output 25 E1 BOOT2 DC/DC boost side driver voltage output 26 E2 LX2 DC/DC boost side inductor connection 27 E3 TSENSE Battery temperature monitor pin Active low battery present input signal. LOW indicates battery is present, and HIGH indicates the battery is absent and the charging stop. 28 E4 N/C Non connenction pin Please connect PCB GND or open. 29 E5 SCL SMBus clock input 30 E6 VCC_DMO VCC side USB D- output/input 31 F1 HG2 DC/DC boost side high side gate driver 32 F2 GND Ground 33 F3 BGATE Gate control output 34 F4 IOUT Buffered adapter or charge current output selectable with SMBus command 35 F5 SDA SMBus data input/output 36 F6 VCC_DPO VCC side USB D+ output/input 37 G1 SRP Charge current sense resistor positive input 38 G2 SRN Charge current sense resistor negative input 39 G3 BATT Battery voltage input 40 G4 VREF 1.5 V LDO output 41 G5 PMON Buffered total system power current output. Place a resistor between the PMON pin and the GND pin 42 G6 SA1 Slave address decide bit 2 pin input Need to connect the REGN pin or the GND pin |
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