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INA303A1IPWR

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Texas Instruments Current Sense Amplifiers, TSSOP-14. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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INA303A1IPWR

Texas Instruments · Current Sense Amplifiers · TSSOP-14

INA303A1IPWR from Texas Instruments, in a TSSOP-14. 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, 2.7 V to 5.5 V
2 OUT output Output voltage
3 LIMIT1 input ALERT1 threshold limit input; see the Setting Alert Thresholds section for details on setting the limit threshold
4 REF input Reference voltage, 0 V to VS
5 GND power_in Analog ground
6 LATCH1 input Transparent or latch mode selection input
7 LATCH2 input Transparent or latch mode selection input
8 NC unconnected No internal connection
9 LIMIT2 input ALERT2 threshold limit input; see the Setting Alert Thresholds section for details on setting the limit threshold
10 DELAY input Delay timing input; see the Alert Outputs section for details on setting the delayed alert response for comparator 2
11 ALERT2 tri_state Open-drain output; active-low; underlimit alert for the INA303
12 ALERT1 tri_state Open-drain output, active-low overlimit alert
13 IN- input Connect to load side of the current-sensing resistor
14 IN+ input Connect to supply side of the current-sensing resistor

Key specifications

Parameter Value
Manufacturer Texas Instruments
Package TSSOP-14
Category Amplifiers/Comparators
Pins 14

CAD (KiCad official)

  • Symbol: INA303A1IPWR
  • Footprint: Package_SO:TSSOP-14_4.4x5mm_P0.65mm
  • 3D model: TSSOP-14 (KiCad packages3D, STEP)
  • 3D model files: ina303a1ipwr-etched.step / ina303a1ipwr-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); ina303a1ipwr.step / ina303a1ipwr.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (41 pp, sha256 1610232399ad3a07, 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