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TLVH431BQDBZRQ1

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Texas Instruments Voltage Reference, SOT-23. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

componentpower management (pmic)tlvh431bqdbzrq1factory-2.0.0extractor-text
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TLVH431BQDBZRQ1

Texas Instruments · Voltage Reference · SOT-23

TLVH431BQDBZRQ1 from Texas Instruments, in a SOT-23. 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 REF input Reference input of the shunt regulator, which sets the cathode voltage via an external R1/R2 divider with VREF of 1.24 V and a reference current range of -0.05 mA to 3 mA.
2 CATHODE passive Cathode of the shunt regulator, which can be set from VREF to 18 V (20 V absolute maximum) and carries a continuous cathode current of 0.1 mA to 70 mA.
3 ANODE power_in Anode of the shunt regulator, normally tied to ground, with all cathode voltages specified with respect to this terminal.

Key specifications

Parameter Value
Manufacturer Texas Instruments
Package SOT-23
Category Power Management (PMIC)
Pins 3

CAD (KiCad official)

  • Symbol: TLVH431BQDBZRQ1
  • Footprint: Package_TO_SOT_SMD:SOT-23
  • 3D model: SOT-23 (KiCad packages3D, STEP)
  • 3D model files: tlvh431bqdbzrq1-etched.step / tlvh431bqdbzrq1-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); tlvh431bqdbzrq1.step / tlvh431bqdbzrq1.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (27 pp, sha256 29341c7b849a14b7, retrieved 2026-10-03, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-4-5-20251001 (text), consensus claude-sonnet-5-5 (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