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INA241A4QDDFRQ1

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

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INA241A4QDDFRQ1

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

INA241A4QDDFRQ1 from Texas Instruments, in a SOT-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 IN- input Current-sense amplifier negative input; connect to the load side of the sense resistor for high-side use, or to the ground side for low-side use.
2 GND power_in Device ground.
3 REF2 input Reference 2 voltage, which must be between 0 V and VS; connect to a voltage potential (see the output-adjustment reference connection options).
4 NC unconnected Reserved pin; the datasheet says to connect it to ground.
5 OUT output Output voltage of the current-sense amplifier.
6 VS power_in Power supply, 2.7 V to 20 V.
7 REF1 input Reference 1 voltage, which must be between 0 V and VS; connect to a voltage potential (see the output-adjustment reference connection options).
8 IN+ input Current-sense amplifier positive input; connect to the bus-voltage side of the sense resistor for high-side use, or to the load side for low-side use.

Key specifications

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

CAD (KiCad official)

  • Symbol: INA241A4QDDFRQ1
  • Footprint: Package_TO_SOT_SMD:SOT-23-8
  • 3D model: SOT-23-8 (KiCad packages3D, STEP)
  • 3D model files: ina241a4qddfrq1-etched.step / ina241a4qddfrq1-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); ina241a4qddfrq1.step / ina241a4qddfrq1.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (49 pp, sha256 f47e70b46c6401e5, retrieved 2026-10-08, 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-5-5 (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