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BSP452

Public Made by Adom

by adom

Infineon AC-DC Controllers and Regulators, SOT-223. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.

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Made with KiCad 10.0 · needs KiCad 10.0 or later to open · KiCad file format 20260206
Name Last commit message Last updated
docs bsp452: etch along the lead row, tab up; full MPN text (service-occt 1.9.3) (service-occt 1.6.0, from the plain STEP) · Ray 26d ago
viewers pin 1: carry the footprint's marker into the .lbr, the viewer and page.json (silk-marker, drawn, top-left) · Ray 2mo ago
bsp452-etched.fit.json bsp452: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray 1mo ago
bsp452-etched.glb bsp452: etch along the lead row, tab up; full MPN text (service-occt 1.9.3) (service-occt 1.6.0, from the plain STEP) · Ray 26d ago
bsp452-etched.step bsp452: etch along the lead row, tab up; full MPN text (service-occt 1.9.3) (service-occt 1.6.0, from the plain STEP) · Ray 26d ago
bsp452.glb Publish 0.1.0 · Ray 2mo ago
bsp452.kicad_mod fix footprint: SOT-223-3_TabPin2 -> SOT-223 (symbol has pins 1,2,3,4; the old footprint left pad(s) with no net) · Ray 2mo ago
bsp452.kicad_sym Publish 0.1.0 · Ray 2mo ago
bsp452.lbr rebuild the library on adom-lbr 2.32.0. The published copy was built by 2.18.0, which imported every KiCad roundrect an… · Ray 2mo ago
bsp452.step Publish 0.1.0 · Ray 2mo ago
package.json Publish 0.2.0 · Ray 2mo ago
pads.json pin 1: carry the footprint's marker into the .lbr, the viewer and page.json (silk-marker, drawn, top-left) · Ray 2mo ago
page.json bsp452: etch along the lead row, tab up; full MPN text (service-occt 1.9.3) (service-occt 1.6.0, from the plain STEP) · Ray 26d ago
README.md bsp452: laser-etched CAD + chip hero (factory 2.0.0 backfill) · Ray 1mo ago

BSP452

Infineon · AC-DC Controllers and Regulators · SOT-223

BSP452 from Infineon, in a SOT-223. 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 OUT power_out High-side switched output to the load. Connected to the drain-side of the internal N-channel power FET; RON ~0.16 Ω typ at Tj=25 °C, self-limited load current IL(SC) ~1.5 A typ, output clamps at Vbb-VON(CL) (~47 V typ) during inductive switch-off.
2 GND power_in Logic (signal) ground reference for the device. A 150 Ω resistor in series with GND is required for reverse-battery protection and to limit GND current at supply voltages above Vbb(AZ).
3 IN input CMOS-compatible logic input that activates the high-side power switch on a logical high signal. VIN(T+) max 3.5 V, VIN(T-) min 1.5 V, integrated series resistor RIN ~2.8 kΩ typ, allowable input range -3.0 V to Vbb (input current must not exceed ±5 mA).
4 Vbb power_in Positive battery/power supply input. Operating range 5.0 V to 34 V, absolute max 40 V; undervoltage shutdown at 3.5-5 V, overvoltage shutdown at 34-42 V, internal overvoltage clamp Vbb(AZ) ≥41 V.

Key specifications

Parameter Value
Manufacturer Infineon
Package SOT-223
Category PMIC
Pins 4

Ordering variants

Same part, different packaging or reel option.

  • BSP452Q67000-S271

CAD (KiCad official)

  • Symbol: BSP452
  • Footprint: Package_TO_SOT_SMD:SOT-223-3_TabPin2
  • 3D model: SOT-223 (KiCad packages3D, STEP)
  • 3D model files: bsp452-etched.step / bsp452-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); bsp452.step / bsp452.glb are the bare package body.

3D model downloads

Two STEP files. Same geometry, different body top:

File Size Use it when
bsp452.step 64 KB You want the bare part, or you mark your own boards.
bsp452-etched.step 1.4 MB You want the part with BSP452 already on it.

The marking in the etched file is real recessed geometry cut into the solid, not a texture or a decal: 341 faces against 75 in the bare model. It survives export, section views, and rendering in any CAD tool, and it drops straight into KiCad or Fusion with no extra setup.

Provenance

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

  • Datasheet: Infineon datasheet (10 pp, sha256 815edbc3f6313043, retrieved 2026-08-17, tier: lcsc)
  • Extractor: ds2sf (Claude). Every pin and dimension is cited to a datasheet page; it refuses to fabricate.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF