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BQ7790508PW Datasheet(PDF) 5 Page - Texas Instruments |
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BQ7790508PW Datasheet(HTML) 5 Page - Texas Instruments |
5 / 47 page Not to scale 1 VDD 20 DVSS 2 AVDD 19 CTRD 3 VC5 18 CTRC 4 VC4 17 CCFG 5 VC3 16 VTB 6 VC2 15 TS 7 VC1 14 LD 8 AVSS 13 CHG 9 SRP 12 CHGU 10 SRN 11 DSG 5 bq77904, bq77905 www.ti.com SLUSCM3G – JUNE 2016 – REVISED SEPTEMBER 2017 Product Folder Links: bq77904 bq77905 Submit Documentation Feedback Copyright © 2016–2017, Texas Instruments Incorporated (1) I = Input, O = Output, P = Power 6 Pin Configuration and Functions PW Package 20-Pin TSSOP Top View Pin Functions PIN I/O(1) DESCRIPTION NAME NO. AVDD 2 O Analog supply (only connect to a capacitor) AVSS 8 P Analog ground CCFG 17 I Cell in series-configuration input CHG 13 O CHG FET driver, use on a single device or on the bottom device of a stack configuration CHGU 12 O CHG FET signal, use for upper device of a stack configuration to feed the CHG signal to the CTRC pin of the lower device CTRC 18 I CHG and DSG override inputs CTRD 19 I DSG 11 O DSG FET driver DVSS 20 P Digital ground LD 14 I PACK– load removal detection SRN 10 I Current sense input connecting to the pack– side of sense resistor SRP 9 I Current sense input connecting to the battery side of sense resistor TS 15 I Thermistor measurement input. Connect a 10kΩ resistor to AVSS pin if the function is not used VC1 7 I Cell voltage sense inputs VC2 6 I VC3 5 I VC4 4 I VC5 3 I Cell voltage sense inputs (pin 3 must be connected to pin 4 on bq77904) VDD 1 P Supply voltage VTB 16 O Thermistor bias output |
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