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INA190A4IDDFR

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Texas Instruments Current Sense Amplifiers, TSOT-23-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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INA190A4IDDFR

Texas Instruments · Current Sense Amplifiers · TSOT-23-8

INA190A4IDDFR from Texas Instruments, in a TSOT-23-8. 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 VS power_in Analog power supply, 1.7 V to 5.5 V
2 ENABLE input Digital input enable pin; device operates when driven to VS and is disabled with reduced supply current when driven to GND.
3 REF input Reference input for bidirectional current sensing with externally applied voltage.
4 GND power_in Analog ground
5 OUT output Analog output voltage proportional to IN+ to IN- difference, offset by REF voltage.
6 NC unconnected Not internally connected; float or connect between GND and VS.
7 IN+ input Current-sense amplifier positive input to measure voltage across sense resistor.
8 IN- input Current-sense amplifier negative input to measure voltage across sense resistor.

Key specifications

Parameter Value
Manufacturer Texas Instruments
Package TSOT-23-8
Category Amplifiers/Comparators
Pins 8

CAD (KiCad official)

  • Symbol: INA190A4IDDFR
  • Footprint: Package_TO_SOT_SMD:TSOT-23-8
  • 3D model: TSOT-23-8 (KiCad packages3D, STEP)
  • 3D model files: ina190a4iddfr-etched.step / ina190a4iddfr-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); ina190a4iddfr.step / ina190a4iddfr.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (47 pp, sha256 38a7102701707c17, retrieved 2026-10-05, 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