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Contents

README

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HCS301-I

Microchip Tech · Interface - Specialized · SOIC-8

HCS301-I from Microchip Tech, in a SOIC-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 S0 input Switch input 0 with internal 40-80 kΩ pull-down resistor.
2 S1 input Switch input 1 with internal 40-80 kΩ pull-down resistor; clock input during programming mode.
3 S2 input Switch input 2 with internal 40-80 kΩ pull-down resistor; clock input during programming mode.
4 S3 input Switch input 3 with internal 40-80 kΩ pull-down resistor.
5 VSS power_in Ground reference, 0V supply return.
6 PWM output PWM output with 80-160 kΩ internal pull-down; data input during programming mode.
7 LED output LED cathode output for battery low status indication, 2.7-5.9 mA sink current across 3.5-13.0V range.
8 VDD power_in Positive supply voltage, 3.5-13.0V operating range.

Key specifications

Parameter Value
Manufacturer Microchip Tech
Package SOIC-8
Category Interface
Pins 8

CAD (KiCad official)

  • Symbol: HCS301-I
  • Footprint: Package_SO:SOIC-8_3.9x4.9mm_P1.27mm
  • 3D model: SOIC-8 (KiCad packages3D, STEP)
  • 3D model files: hcs301-i-etched.step / hcs301-i-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); hcs301-i.step / hcs301-i.glb are the bare package body.

Provenance

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

  • Datasheet: Microchip Tech datasheet (38 pp, sha256 129509c653746025, retrieved 2026-09-22, tier: lcsc)
  • 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