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INA181A2IDBVT

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Texas Instruments Current Sense Amplifiers, SOT-23-6. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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INA181A2IDBVT

Texas Instruments · Current Sense Amplifiers · SOT-23-6

INA181A2IDBVT from Texas Instruments, in a SOT-23-6. 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 Analog output voltage of the current sense amplifier, limited to the range GND - 0.3 V to VS + 0.3 V with a maximum output current of 8 mA.
2 GND power_in Ground.
3 IN+ input Positive input of the current sense amplifier; connect to the bus-voltage side of the sense resistor for high-side sensing or to the load side for low-side sensing, with common-mode range -0.2 V to +26 V.
4 IN- input Negative input of the current sense amplifier; connect to the load side of the sense resistor for high-side sensing or to the ground side for low-side sensing, with common-mode range -0.2 V to +26 V.
5 REF input Reference voltage input that sets the output level at zero differential input, settable from 0 V to VS.
6 VS power_in Power supply, 2.7 V to 5.5 V.

Key specifications

Parameter Value
Manufacturer Texas Instruments
Package SOT-23-6
Category Amplifiers/Comparators
Pins 6

CAD (KiCad official)

  • Symbol: INA181A2IDBVT
  • Footprint: Package_TO_SOT_SMD:SOT-23-6
  • 3D model: SOT-23-6 (KiCad packages3D, STEP)
  • 3D model files: ina181a2idbvt-etched.step / ina181a2idbvt-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); ina181a2idbvt.step / ina181a2idbvt.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (62 pp, sha256 16077f586e92eff4, retrieved 2026-10-03, 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