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INA199B3RSWR

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Texas Instruments Current Sense Amplifiers, UQFN-10(1.4x1.8). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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INA199B3RSWR

Texas Instruments · Current Sense Amplifiers · UQFN-10(1.4x1.8)

INA199B3RSWR from Texas Instruments, in a UQFN-10(1.4x1.8). 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 No internal connection; can be left floating or connected to any voltage between GND and V+.
2 IN+ input Analog input connected to the power side of the shunt resistor; accepts common mode voltage from -0.1V to 26V.
3 IN+ input Analog input connected to the power side of the shunt resistor; accepts common mode voltage from -0.1V to 26V.
4 IN- input Analog input connected to the load side of the shunt resistor; accepts common mode voltage from -0.1V to 26V.
5 IN- input Analog input connected to the load side of the shunt resistor; accepts common mode voltage from -0.1V to 26V.
6 V+ power_in Analog power supply; supply voltage range 2.7V to 26V.
7 NC unconnected No internal connection; can be left floating or connected to any voltage between GND and V+.
8 REF input Analog input reference voltage; biases output zero level; accepts voltage range 0V to V+.
9 GND power_in Analog ground; provides 0V reference.
10 OUT output Analog output voltage; output voltage swing from GND+0.005V to GND+0.05V at low end and V+-0.05V to V+-0.2V at high end with RL=10kΩ to GND.

Key specifications

Parameter Value
Manufacturer Texas Instruments
Package UQFN-10(1.4x1.8)
Category Amplifiers/Comparators
Pins 10

CAD (KiCad official)

  • Symbol: INA199B3RSWR
  • Footprint: Package_DFN_QFN:UQFN-10_1.4x1.8mm_P0.4mm
  • 3D model: UQFN-10(1.4x1.8) (KiCad packages3D, STEP)
  • 3D model files: ina199b3rswr-etched.step / ina199b3rswr-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); ina199b3rswr.step / ina199b3rswr.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (43 pp, sha256 f48fb5be37c0cf43, 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