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Contents

README

markdown

ULN2001M

HGSEMI · LED Drivers · SOP-8

ULN2001M from HGSEMI, in a SOP-8. Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 1B input Channel 1 input; accepts 0-12V TTL/CMOS logic with internal 2.7kΩ base resistor and 4kΩ pull-down to ground.
2 2B input Channel 2 input; accepts 0-12V TTL/CMOS logic with internal 2.7kΩ base resistor and 4kΩ pull-down to ground.
3 3B input Channel 3 input; accepts 0-12V TTL/CMOS logic with internal 2.7kΩ base resistor and 4kΩ pull-down to ground.
4 E power_in Emitter common ground connection.
5 COM power_in Clamping diode common terminal connected to protection diode cathodes; maximum voltage rating 50V.
6 3C output Channel 3 Darlington collector output; maximum 500mA per channel at 0-50V for inductive load driving.
7 2C output Channel 2 Darlington collector output; maximum 500mA per channel at 0-50V for inductive load driving.
8 1C output Channel 1 Darlington collector output; maximum 500mA per channel at 0-50V for inductive load driving.

Key specifications

Parameter Value
Manufacturer HGSEMI
Package SOP-8
Category LED Drivers
Pins 8

CAD (KiCad official)

  • Symbol: ULN2001M
  • Footprint: Package_SO:SOIC-8_3.9x4.9mm_P1.27mm
  • 3D model: SOP-8 (KiCad packages3D, STEP)
  • 3D model files: uln2001m-etched.step / uln2001m-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); uln2001m.step / uln2001m.glb are the bare package body.

Provenance

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

  • Datasheet: HGSEMI datasheet (8 pp, sha256 387014db4109532a, retrieved 2026-09-22, 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