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INA310B3QDGKRQ1

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

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INA310B3QDGKRQ1

Texas Instruments · Current Sense Amplifiers · VSSOP-8

INA310B3QDGKRQ1 from Texas Instruments, in a VSSOP-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 VS power_in Power supply input, specified for 2.7 V to 20 V operation.
2 OUT output Output voltage of the current sense amplifier.
3 CMPIN input Comparator input; the absolute maximum range is GND - 0.3 V to the lesser of 5.5 V or VS.
4 GND power_in Ground reference for the device.
5 RESET input Active-low comparator reset pin: Low selects transparent mode and High selects latch mode.
6 CMPOUT output Open-drain comparator output that latches high when RESET is High; its absolute maximum is GND - 0.3 V to 22 V.
7 IN- input Shunt resistor negative sense input; connect to the load side of the sense resistor for high-side use and to the ground side for low-side use.
8 IN+ input Shunt resistor positive sense input; connect to the bus-voltage side of the sense resistor for high-side use and to the load side for low-side use.

Key specifications

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

CAD (KiCad official)

  • Symbol: INA310B3QDGKRQ1
  • Footprint: Package_SO:VSSOP-8_2.3x2mm_P0.5mm
  • 3D model: VSSOP-8 (KiCad packages3D, STEP)
  • 3D model files: ina310b3qdgkrq1-etched.step / ina310b3qdgkrq1-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); ina310b3qdgkrq1.step / ina310b3qdgkrq1.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (33 pp, sha256 0aacc9d30cf73fb5, retrieved 2026-10-08, tier: lcsc)
  • 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