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BQ25713 Datasheet(PDF) 5 Page - Texas Instruments |
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BQ25713 Datasheet(HTML) 5 Page - Texas Instruments |
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5 / 111 page  6 Pin Configuration and Functions 1 VBUS 24 HIDRV2 2 ACN 23 SW2 3 ACP 22 VSYS 4 CHRG_OK 21 BATDRV 5 OTG/VAP/FRS 20 SRP 6 ILIM_HIZ 19 SRN 7 VDDA 18 CELL_BATPRESZ 8 IADPT 17 COMP2 Thermal Pad Figure 6-1. RSN Package 32-Pin WQFN Top View Table 6-1. Pin Functions PIN I/O DESCRIPTION NAME NUMBER ACN 2 PWR Input current sense amplifier negative input. The leakage on ACP and ACN are matched. A RC low-pass filter is required to be placed between the sense resistor and the ACN pin to suppress the high frequency noise in the input current signal. Refer to Section 9.2.2.2 for ACP/ACN filter design. ACP 3 PWR Input current sense amplifier positive input. The leakage on ACP and ACN are matched. A RC low-pass filter is required to be placed between the sense resistor and the ACP pin to suppress the high frequency noise in the input current signal. Refer to Section 9.2.2.2 for ACP/ACN filter design. BATDRV 21 O P-channel battery FET (BATFET) gate driver output. It is shorted to VSYS to turn off the BATFET. It goes 10 V below VSYS to fully turn on BATFET. BATFET is in linear mode to regulate VSYS at minimum system voltage when battery is depleted. BATFET is fully on during fast charge and works as an ideal-diode in supplement mode. BTST1 30 PWR Buck mode high-side power MOSFET driver power supply. Connect a 0.047-µF capacitor between SW1 and BTST1. The bootstrap diode between REGN and BTST1 is integrated. BTST2 25 PWR Boost mode high-side power MOSFET driver power supply. Connect a 0.047-μF capacitor between SW2 and BTST2. The bootstrap diode between REGN and BTST2 is integrated. CELL_BATPRESZ 18 I Battery cell selection pin for 1- to 5- cell battery setting. CELL_BATPRESZ pin is biased from VDDA through a resistor divider. CELL_BATPRESZ pin also sets SYSOVP thresholds to 5 V for 1-cell, 12 V for 2-cell and 19.5 V for 3-cell/4-cell. CELL_BATPRESZ pin is pulled below VCELL_BATPRESZ_FALL to indicate battery removal. After battery is removed the charge voltage register REG0x05/04h() goes back to default. No external cap is allowed at CELL_BATPRESZ pin. The device exits LEARN mode and disables charge when CELL_BATPRESZ pin is pulled low (upon battery removal). www.ti.com BQ25730 SLUSE65A – FEBRUARY 2021 – REVISED JANUARY 2024 Copyright © 2024 Texas Instruments Incorporated Submit Document Feedback 5 Product Folder Links: BQ25730 |
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