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BQ79600PWRQ1

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Texas Instruments Battery Management, TSSOP-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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BQ79600PWRQ1

Texas Instruments · Battery Management · TSSOP-16

BQ79600PWRQ1 from Texas Instruments, in a TSSOP-16. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 DVDD power_out 1.8V regulated output for internal digital circuits requiring 0.22-0.47µF bypass capacitor to GND.
2 NFAULT tri_state Open-drain active-low fault output requiring 100kΩ pull-up to VIO or connection to GND when unused.
3 VIO power_in 3.135-5.25V power supply for UART/SPI logic that must power up before SCLK, nCS, RX/MOSI, TX/MISO, NFAULT and require 0.1µF bypass.
4 RX/MOSI input UART receiver or SPI master-out-slave-in input requiring 10-100kΩ pull-up to VIO and must not be left floating.
5 TX/MISO output UART transmitter or SPI slave-in-master-out output driving high in idle mode and requiring 10-100kΩ MCU-side pull-up.
6 SCLK input SPI clock input requiring 10-100kΩ pull-down to GND or direct GND connection when unused.
7 nCS input SPI active-low chip select requiring 10-100kΩ pull-up to VIO in SPI mode and cannot be hardwired to GND.
8 nUART/SPI (SPI_RDY) bidirectional Mode selection input (GND for UART, VIO pull-up for SPI) before device wakeup that functions as SPI_RDY output after initialization.
9 GND power_in Ground reference for all circuits.
10 COMLP bidirectional AC-coupled bidirectional daisy-chain I/O (low channel, positive) with no external DC allowed and requiring isolation to adjacent device.
11 COMLN bidirectional AC-coupled bidirectional daisy-chain I/O (low channel, negative) with no external DC allowed and requiring isolation to adjacent device.
12 COMHN bidirectional AC-coupled bidirectional daisy-chain I/O (high channel, negative) with no external DC allowed and requiring isolation to adjacent device.
13 COMHP bidirectional AC-coupled bidirectional daisy-chain I/O (high channel, positive) with no external DC allowed and requiring isolation to adjacent device.
14 CVDD power_out 5V daisy-chain supply from internal LDO requiring 0.22-0.47µF decouple capacitor to GND.
15 BAT power_in 5.5-40V unregulated battery supply for internal LDOs connected through 10Ω resistor with 0.1µF bypass to GND.
16 INH tri_state PMOS open-drain inhibit output requiring 100kΩ pull-down to GND or connection to BAT pin when reverse-wakeup not used.

Key specifications

Parameter Value
Manufacturer Texas Instruments
Package TSSOP-16
Category Power Management (PMIC)
Pins 16

CAD (KiCad official)

  • Symbol: BQ79600PWRQ1
  • Footprint: Package_SO:TSSOP-16_4.4x5mm_P0.65mm
  • 3D model: TSSOP-16 (KiCad packages3D, STEP)
  • 3D model files: bq79600pwrq1-etched.step / bq79600pwrq1-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); bq79600pwrq1.step / bq79600pwrq1.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: Texas Instruments datasheet (71 pp, sha256 cc4b93840add73f9, retrieved 2026-09-26, tier: lcsc)
  • Datasheet language: Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
  • Extractor: parts-factory 2.0.0 / extract_pins 0.2, primary claude-haiku-4-5-20251001 (text), consensus claude-sonnet-4-6 (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF