BCR421UW6-7

{
  "slug": "bcr421uw6-7",
  "version": "0.1.0",
  "type": "component",
  "description": "Diodes Incorporated LED Drivers, SOT-26. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "display modules - led drivers - display drivers",
    "bcr421uw6-7",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "bcr421uw6-7.kicad_sym",
    "bcr421uw6-7.kicad_mod",
    "bcr421uw6-7.glb",
    "bcr421uw6-7.step",
    "bcr421uw6-7.lbr",
    "docs/hero.png",
    "docs/bcr421uw6-7-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "bcr421uw6-7-hero.glb",
    "bcr421uw6-7-hero.overlay.json",
    "bcr421uw6-7-etched.glb"
  ],
  "component": {
    "mpn": "BCR421UW6-7",
    "manufacturer": "Diodes Incorporated",
    "package": "SOT-26",
    "pin_count": 6,
    "category": "Display Modules / LED Drivers / Display Drivers",
    "subcategory": "LED Drivers",
    "datasheet": "https://www.diodes.com/assets/Datasheets/BCR421UW6-7.pdf",
    "parts": {
      "symbol": "bcr421uw6-7.kicad_sym",
      "footprint": "bcr421uw6-7.kicad_mod",
      "model_3d": "bcr421uw6-7-hero.glb",
      "model_3d_plain": "bcr421uw6-7-etched.glb",
      "model_3d_step": "bcr421uw6-7-etched.step",
      "model_3d_step_plain": "bcr421uw6-7.step",
      "lbr": "bcr421uw6-7.lbr"
    },
    "distributor_links": {
      "lcsc": "C194382",
      "digikey": "31-BCR421UW6-7TR-ND",
      "mouser": "621-BCR421UW6-7"
    },
    "distributor_check": {
      "checked_at": "2026-10-23T12:09:20Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "31-BCR421UW6-7TR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "621-BCR421UW6-7",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "EN",
        "type": "input",
        "description": "Enable for biasing the transistor; on the BCR421U it is rated 18V max, draws 1.2mA typ at VEN = 3.3V, and accepts PWM dimming up to 25kHz."
      },
      {
        "number": "2",
        "name": "OUT",
        "type": "passive",
        "description": "Regulated output current (LED current sink), rated 40V max and 500mA max, with a 1.4V minimum output voltage."
      },
      {
        "number": "3",
        "name": "OUT",
        "type": "passive",
        "description": "Regulated output current (LED current sink), rated 40V max and 500mA max, with a 1.4V minimum output voltage."
      },
      {
        "number": "4",
        "name": "GND",
        "type": "power_in",
        "description": "Power ground."
      },
      {
        "number": "5",
        "name": "OUT",
        "type": "passive",
        "description": "Regulated output current (LED current sink), rated 40V max and 500mA max, with a 1.4V minimum output voltage."
      },
      {
        "number": "6",
        "name": "REXT",
        "type": "passive",
        "description": "Optional external resistor for adjusting the output current from the 10mA preset up to 350mA."
      }
    ],
    "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": "text+vision",
        "consensus_model": "claude-opus-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: Pin numbers were read from the top-view pin-out drawing on page 1, which has no printed numbers. I t",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 13,
        "cost_usd": 0.376,
        "at": "2026-10-23T12:09:09"
      },
      "datasheet": {
        "url": "https://www.diodes.com/assets/Datasheets/BCR421UW6-7.pdf",
        "pages": 13,
        "sha256": "1effe8208a803680",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 6,
        "described": 6,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
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        "file": "bcr421uw6-7.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.8,
          2.9,
          1.55
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "c9fe686b4d1b56927a41fa84a9bc1efb61d8a45a123a3db43bcaa05c2891d635",
        "checked": "2026-10-23",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "bcr421uw6-7-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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          2.9,
          1.55
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "12ff94412287a3e3ce386ef448b713d883a338231e8eed9b3f699abc9017c263",
        "checked": "2026-10-23",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}