component

BTS428L2

Public Made by Adom

by adom

Infineon Technologies Power Distribution Switches, TO-252-4. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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Generated by kicad-footprint-generator · KiCad file format 20260206
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docs Publish 0.1.0 · Ray 7d ago
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BTS428L2

Infineon Technologies · Power Distribution Switches · TO-252-4

BTS428L2 from Infineon Technologies, in a TO-252-4. 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 GND power_in Logic ground, independent from load ground.
2 IN input Input that activates the power switch in case of a logical high signal.
3 Vbb power_in Positive power supply voltage (operating range 4.75...41V); the tab is shorted to pin 3.
4 ST output Diagnostic feedback with open drain output, low on failure.
5 OUT output Output to the load.

Key specifications

Parameter Value
Manufacturer Infineon Technologies
Package TO-252-4
Category Power Management (PMIC)
Pins 5

CAD (KiCad official)

  • Symbol: BTS428L2
  • Footprint: Package_TO_SOT_SMD:TO-252-4
  • 3D model: TO-252-4 (KiCad packages3D, STEP)
  • 3D model files: bts428l2-etched.step / bts428l2-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); bts428l2.step / bts428l2.glb are the bare package body.

Provenance

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

  • Datasheet: Infineon Technologies datasheet (15 pp, sha256 65b43750cc202f4a, retrieved 2026-10-18, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-5-5 (vision), consensus claude-opus-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