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INA281B1IDBVT

Public Made by Adom

by adom

Texas Instruments Current Sense Amplifiers, SOT-23-5. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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INA281B1IDBVT

Texas Instruments · Current Sense Amplifiers · SOT-23-5

INA281B1IDBVT from Texas Instruments, in a SOT-23-5. 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 OUT output Output voltage amplified from shunt resistor measurement at 20V/V gain, operating range GND+0.005V to VS-0.07V
2 GND power_in Ground reference
3 Vs power_in Power supply voltage, operating range 2.7V to 20V, quiescent current 1.5mA typical
4 IN+ input Positive shunt resistor detection input with common-mode input range -4V to +110V
5 IN- input Negative shunt resistor detection input with common-mode input range -4V to +110V

Key specifications

Parameter Value
Manufacturer Texas Instruments
Package SOT-23-5
Category Amplifiers/Comparators
Pins 5

CAD (KiCad official)

  • Symbol: INA281B1IDBVT
  • Footprint: Package_TO_SOT_SMD:SOT-23-5
  • 3D model: SOT-23-5 (KiCad packages3D, STEP)
  • 3D model files: ina281b1idbvt-etched.step / ina281b1idbvt-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); ina281b1idbvt.step / ina281b1idbvt.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (30 pp, sha256 b5bbdc809184263b, 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-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