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Contents

README

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BQ76925RGER

Texas Instruments · Battery Management · VQFN-24-EP(4x4)

BQ76925RGER from Texas Instruments, in a VQFN-24-EP(4x4). Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 VC6 input Cell 6 voltage sense input for the most positive cell terminal in the battery stack.
2 VC5 input Cell 5 voltage sense input for the second most positive cell terminal.
3 VC4 input Cell 4 voltage sense input for the third most positive cell terminal.
4 VC3 input Cell 3 voltage sense input for the fourth most positive cell terminal.
5 VC2 input Cell 2 voltage sense input for the fifth most positive cell terminal.
6 VC1 input Cell 1 voltage sense input for the least positive cell terminal.
7 VC0 input Cell 0 voltage sense input for the negative terminal of the cell stack with maximum voltage of ±3 V.
8 VSS power_in Ground (0 V) reference for all analog and digital circuits.
9 NC unconnected No connection - leave unconnected.
10 NC unconnected No connection - leave unconnected.
11 SENSEN input Negative sense input for current measurement through external sense resistor with 0 V reference.
12 SENSEP input Positive sense input for current measurement with input voltage range of -125 to +375 mV.
13 ALERT tri_state Open-drain overcurrent alert output sinking 1 mA at maximum 0.4 V with 100 µs response time.
14 VIOUT output Current measurement analog output voltage with range 0.25 to 1.25 V at REF_SEL=0 or 0.5 to 2.5 V at REF_SEL=1.
15 VCOUT output Cell voltage measurement analog output with gain of 0.3 or 0.6 and output range 0 to 1.5 V or 0 to 3 V.
16 VTB output Thermistor bias voltage output supplying 1 mA bias current for external NTC thermistor network.
17 VREF power_in Precision reference voltage output of 1.5 V or 3.0 V selectable via I2C with ±0.1% accuracy after calibration.
18 SDA bidirectional I2C serial data line with open-drain bidirectional output, voltage range 0 to 5.5 V, rates up to 100 kHz.
19 SCL input I2C serial clock input with open-drain pull-down capability, voltage range 0 to 5.5 V, rates up to 100 kHz.
20 V3P3 power_out Regulated 3.3 V output for microcontroller and peripheral supply with maximum output current of 4 mA.
21 NC unconnected No connection - leave unconnected.
22 NC unconnected No connection - leave unconnected.
23 VCTL output 3.3 V regulator control voltage output for external pass transistor gate or direct connection to BAT pin.
24 BAT power_in Main power supply input with operating voltage range of 4.2 to 26.4 V and absolute maximum of 36 V.
25 EP passive Exposed pad (from the footprint; not named in the datasheet pin table).

Key specifications

Parameter Value
Manufacturer Texas Instruments
Package VQFN-24-EP(4x4)
Category Power Management (PMIC)
Pins 25

CAD (KiCad official)

  • Symbol: BQ76925RGER
  • Footprint: Package_DFN_QFN:QFN-24-1EP_4x4mm_P0.5mm_EP2.6x2.6mm
  • 3D model: VQFN-24-EP(4x4) (KiCad packages3D, STEP)
  • 3D model files: bq76925rger-etched.step / bq76925rger-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); bq76925rger.step / bq76925rger.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (46 pp, sha256 33df01178ba0bcfc, retrieved 2026-09-23, 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-5 (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