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BQ34Z100PWR-R2

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Texas Instruments Battery Management, TSSOP-14. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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BQ34Z100PWR-R2

Texas Instruments · Battery Management · TSSOP-14

BQ34Z100PWR-R2 from Texas Instruments, in a TSSOP-14. 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 P2 output LED 2 output or unused (connect to VSS).
2 VEN output Active high voltage translation enable output; controls input voltage divider on/off to reduce power consumption (typ 45 µA).
3 P1 output LED 1 output or unused (connect to VSS); can drive single LED with small signal N-FET in series.
4 BAT input Translated battery voltage input; input range 0 V to 5 V (VA2).
5 CE input Chip enable input; internal LDO is disconnected from REGIN when driven low.
6 REGIN power_in Internal LDO input; supply range 2.7 V to 4.5 V for normal operation; decouple with 0.1-µF ceramic capacitor to VSS.
7 REG25 power_out 2.5 V regulated output from internal LDO; decouple with 1-µF ceramic capacitor to VSS; output voltage range 2.3 V to 2.7 V.
8 VSS power_in Device ground connection.
9 SRP input Analog input to coulomb counter; integrate voltage between SRP and SRN where SRP is nearest BAT- connection; input range -0.125 V to +0.125 V.
10 SRN input Analog input to coulomb counter; integrate voltage between SRP and SRN where SRN is nearest PACK- connection; input range -0.125 V to +0.125 V.
11 P6/TS input Pack thermistor voltage sense input; use 103AT-type thermistor; input range 0 V to 1 V.
12 P5/HDQ bidirectional Open-drain HDQ serial communication line (target); if unused, leave floating or tie to VSS.
13 P4/SCL input I2C serial communication clock input; use with 10-kΩ pullup resistor (typical); also used for LED 4 in four-LED mode; if unused, leave floating or tie to VSS.
14 P3/SDA bidirectional Open-drain I2C serial communication data line (target); use with 10-kΩ pullup resistor (typical); also used for LED 3 in four-LED mode; if unused, leave floating or tie to VSS.

Key specifications

Parameter Value
Manufacturer Texas Instruments
Package TSSOP-14
Category Power Management (PMIC)
Pins 14

CAD (KiCad official)

  • Symbol: BQ34Z100PWR-R2
  • Footprint: Package_SO:TSSOP-14_4.4x5mm_P0.65mm
  • 3D model: TSSOP-14 (KiCad packages3D, STEP)
  • 3D model files: bq34z100pwr-r2-etched.step / bq34z100pwr-r2-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); bq34z100pwr-r2.step / bq34z100pwr-r2.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (27 pp, sha256 148e9d5a71fea4ba, retrieved 2026-09-23, tier: lcsc)
  • 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