component

TL4051BIDBZR

Public Made by Adom

by adom

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

componentpower management (pmic)tl4051bidbzrfactory-2.0.0extractor-text
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TL4051BIDBZR

Texas Instruments · Voltage Reference · SOT-23-3

TL4051BIDBZR from Texas Instruments, in a SOT-23-3. 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 FB input Feedback input of the adjustable version, where the external R1/R2 divider sets VZ = VREF(1 + R2/R1) with a typical VREF of 1.212 V.
2 CATHODE passive Shunt reference cathode (output) connected to the supply through series resistor RS, with continuous cathode voltage up to 15 V and cathode current limited to 12 mA recommended.
3 ANODE power_in Anode (ground return) of the shunt reference; pin 3 must be left floating or connected to pin 2 because of a parasitic Schottky diode between pins 2 and 3.

Key specifications

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

CAD (KiCad official)

  • Symbol: TL4051BIDBZR
  • Footprint: Package_TO_SOT_SMD:SOT-23-3
  • 3D model: SOT-23-3 (KiCad packages3D, STEP)
  • 3D model files: tl4051bidbzr-etched.step / tl4051bidbzr-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); tl4051bidbzr.step / tl4051bidbzr.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (33 pp, sha256 739b8ac05dcb64a5, retrieved 2026-10-07, 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 0.3, primary claude-sonnet-5-5 (text+vision), consensus claude-opus-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