BTS428L2

{
  "slug": "bts428l2",
  "version": "0.1.0",
  "type": "component",
  "description": "Infineon Technologies Power Distribution Switches, TO-252-4. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "bts428l2",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "bts428l2.kicad_sym",
    "bts428l2.kicad_mod",
    "bts428l2.glb",
    "bts428l2.step",
    "bts428l2.lbr",
    "docs/hero.png",
    "docs/bts428l2-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "bts428l2-hero.glb",
    "bts428l2-hero.overlay.json",
    "bts428l2-etched.glb"
  ],
  "component": {
    "mpn": "BTS428L2",
    "manufacturer": "Infineon Technologies",
    "package": "TO-252-4",
    "pin_count": 5,
    "category": "Power Management (PMIC)",
    "subcategory": "Power Distribution Switches",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588906258603134976",
    "parts": {
      "symbol": "bts428l2.kicad_sym",
      "footprint": "bts428l2.kicad_mod",
      "model_3d": "bts428l2-hero.glb",
      "model_3d_plain": "bts428l2-etched.glb",
      "model_3d_step": "bts428l2-etched.step",
      "model_3d_step_plain": "bts428l2.step",
      "lbr": "bts428l2.lbr"
    },
    "distributor_links": {
      "lcsc": "C534779"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T11:05:40Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "GND",
        "type": "power_in",
        "description": "Logic ground, independent from load ground."
      },
      {
        "number": "2",
        "name": "IN",
        "type": "input",
        "description": "Input that activates the power switch in case of a logical high signal."
      },
      {
        "number": "3",
        "name": "Vbb",
        "type": "power_in",
        "description": "Positive power supply voltage (operating range 4.75...41V); the tab is shorted to pin 3."
      },
      {
        "number": "4",
        "name": "ST",
        "type": "output",
        "description": "Diagnostic feedback with open drain output, low on failure."
      },
      {
        "number": "5",
        "name": "OUT",
        "type": "output",
        "description": "Output to the load."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-sonnet-5-5",
        "primary_mode": "vision",
        "consensus_model": "claude-opus-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: Package hint said TO-252-4, but the datasheet shows PG-TO-252 with 5 leads (pin 3 is a clipped/cut l",
          "dropped thermal pad ['EP'] absent from footprint",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 12,
        "cost_usd": 0.1798,
        "at": "2026-10-18T11:04:33"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588906258603134976",
        "pages": 15,
        "sha256": "65b43750cc202f4a",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 5,
        "described": 5,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "bts428l2.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          9.9,
          6.5,
          2.32
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "d85360b3e2359b76856869bda844e512876c2223b4cf36e7a7e1581f227bec7e",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "bts428l2-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          9.9,
          6.5,
          2.32
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "50df54e239eb2b6da7075f8257a0fa864521dc1a12ae94a0a682b3568b1e1d05",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}