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TMCS1108A3BQDR

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

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TMCS1108A3BQDR

Texas Instruments · Current Sensors · SOIC-8

TMCS1108A3BQDR from Texas Instruments, in a SOIC-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 Input current positive pin; input voltage range ±100V relative to GND per recommended operating conditions.
2 IN+ input Input current positive pin; input voltage range ±100V relative to GND per recommended operating conditions.
3 IN- input Input current negative pin; input voltage range ±100V relative to GND per recommended operating conditions.
4 IN- input Input current negative pin; input voltage range ±100V relative to GND per recommended operating conditions.
5 GND power_in Analog ground reference for signal chain providing 100V functional isolation between isolated input current path and low-voltage output circuitry.
6 NC unconnected No connection; pin may accept capacitive or resistive connection to GND or VS; recommended to short to GND per datasheet guidance.
7 VOUT output Analog output voltage at 200mV/A sensitivity with output swing VS - 0.1V down to 10mV above GND; output impedance 0.2Ω at 1kHz.
8 VS power_in Analog power supply 3V to 5.5V operating range; quiescent current 4.5-6mA; sets zero-current output voltage to 0.5×VS per bipolar configuration.

Key specifications

Parameter Value
Manufacturer Texas Instruments
Package SOIC-8
Category Magnetic Sensors
Pins 8

CAD (KiCad official)

  • Symbol: TMCS1108A3BQDR
  • Footprint: Package_SO:SOIC-8_3.9x4.9mm_P1.27mm
  • 3D model: SOIC-8 (KiCad packages3D, STEP)
  • 3D model files: tmcs1108a3bqdr-etched.step / tmcs1108a3bqdr-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); tmcs1108a3bqdr.step / tmcs1108a3bqdr.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (41 pp, sha256 5c47737af5e0ea1c, retrieved 2026-10-05, 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