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Contents

README

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INA219BIDCNR

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

INA219BIDCNR 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 Positive differential shunt voltage input supporting ±40 mV to ±320 mV full-scale range depending on PGA setting.
2 IN- input Negative differential shunt voltage input and bus voltage reference, 0 to 32 V bus voltage measurement range.
3 GND power_in Analog ground reference.
4 VS power_in Analog power supply, 3 to 5.5 V operating range, 1 mA maximum quiescent current.
5 SCL input I2C/SMBus serial clock input, 0.001 to 2.56 MHz maximum operating frequency.
6 SDA bidirectional I2C/SMBus open-drain serial data bidirectional pin, 0.15 to 0.4 V logic 0 level at 3 mA sink current.
7 A0 input I2C slave address pin for selecting one of 16 configurable addresses with A1.
8 A1 input I2C slave address pin for selecting one of 16 configurable addresses with A0.

Key specifications

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

CAD (KiCad official)

  • Symbol: INA219BIDCNR
  • Footprint: Package_TO_SOT_SMD:SOT-23-8
  • 3D model: SOT-23-8 (KiCad packages3D, STEP)
  • 3D model files: ina219bidcnr-etched.step / ina219bidcnr-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); ina219bidcnr.step / ina219bidcnr.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (38 pp, sha256 2c973858ed829073, retrieved 2026-09-26, 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 0.2, primary claude-haiku-4-5-20251001 (text), consensus claude-sonnet-4-6 (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