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INA240A2QPWRQ1

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

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INA240A2QPWRQ1

Texas Instruments · Current Sense Amplifiers · TSSOP-8

INA240A2QPWRQ1 from Texas Instruments, in a TSSOP-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 NC unconnected Reserved no-connection pin; may be grounded or left floating to avoid inadvertent connection to internal circuits.
2 IN+ input Positive differential input connected to power side of shunt resistor; accepts common-mode voltage from -4V to 80V with differential range ±80V.
3 IN- input Negative differential input connected to load side of shunt resistor; accepts common-mode voltage from -4V to 80V with differential range ±80V.
4 GND power_in Analog ground reference.
5 VS power_in Power supply input; recommended operating voltage range 2.7V to 5.5V.
6 REF2 input Reference voltage input 2 for setting output midpoint; connect to voltage between 0V and VS for uni-directional or bi-directional current measurement configuration.
7 REF1 input Reference voltage input 1 for setting output midpoint; connect to voltage between 0V and VS for uni-directional or bi-directional current measurement configuration.
8 OUT output Analog output voltage with linear range GND+50mV to VS-200mV; output proportional to sensed current with 50V/V gain; maximum capacitive load 1nF without sustained oscillation.

Key specifications

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

CAD (KiCad official)

  • Symbol: INA240A2QPWRQ1
  • Footprint: Package_SO:TSSOP-8_3x3mm_P0.65mm
  • 3D model: TSSOP-8 (KiCad packages3D, STEP)
  • 3D model files: ina240a2qpwrq1-etched.step / ina240a2qpwrq1-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); ina240a2qpwrq1.step / ina240a2qpwrq1.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (38 pp, sha256 c39d41044d3f311b, 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