WD1305E20-6

{
  "slug": "wd1305e20-6",
  "version": "0.1.0",
  "type": "component",
  "description": "WILLSEMI Will Semicon DC-DC Converters, SOT-23-6L. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "wd1305e20-6",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "wd1305e20-6.kicad_sym",
    "wd1305e20-6.kicad_mod",
    "wd1305e20-6.glb",
    "wd1305e20-6.step",
    "wd1305e20-6.lbr",
    "docs/hero.png",
    "docs/wd1305e20-6-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "wd1305e20-6-hero.glb",
    "wd1305e20-6-hero.overlay.json",
    "wd1305e20-6-etched.glb"
  ],
  "component": {
    "mpn": "WD1305E20-6",
    "manufacturer": "WILLSEMI Will Semicon",
    "package": "SOT-23-6L",
    "pin_count": 6,
    "category": "Power Management (PMIC)",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588954583687577600",
    "parts": {
      "symbol": "wd1305e20-6.kicad_sym",
      "footprint": "wd1305e20-6.kicad_mod",
      "model_3d": "wd1305e20-6-hero.glb",
      "model_3d_plain": "wd1305e20-6-etched.glb",
      "model_3d_step": "wd1305e20-6-etched.step",
      "model_3d_step_plain": "wd1305e20-6.step",
      "lbr": "wd1305e20-6.lbr"
    },
    "distributor_links": {
      "lcsc": "C2931306"
    },
    "distributor_check": {
      "checked_at": "2026-10-17T17:40:02Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "BST",
        "type": "passive",
        "description": "Bootstrap pin: connect a 0.1µF capacitor between SW and BST to form a floating supply for the high-side switch driver."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "System ground and reference ground of the regulated output voltage, which requires extra care in PCB layout and must be connected to ground with copper traces and vias."
      },
      {
        "number": "3",
        "name": "FB",
        "type": "input",
        "description": "Converter feedback input, connected to the output voltage through a feedback resistor divider (reference VFB 0.6V, -2% to 2%)."
      },
      {
        "number": "4",
        "name": "EN",
        "type": "input",
        "description": "Enable input, active high for automatic start-up, which can be tied to VIN directly or through a resistor; EN rising threshold is 1.4V and falling threshold is 0.4V."
      },
      {
        "number": "5",
        "name": "VIN",
        "type": "power_in",
        "description": "Input supply pin, requires a decoupling capacitor and a wide PCB trace; operating supply range is 4.5V to 18V, with absolute maximum of -0.3 to +20V."
      },
      {
        "number": "6",
        "name": "SW",
        "type": "output",
        "description": "Switch output pin, connected with a wide PCB trace to the inductor; DC absolute maximum range is -0.3 to VIN(Max)+0.3V."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-haiku-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: Pin types BST (passive) and SW (output) are assigned by inference from the pin function text; the da"
        ],
        "pages_sent": 12,
        "cost_usd": 0.0509,
        "at": "2026-10-17T17:38:12"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588954583687577600",
        "pages": 12,
        "sha256": "9c4925c6dfcb8099",
        "source_tier": "lcsc"
      },
      "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": "wd1305e20-6.step",
        "role": "plain",
        "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": "c9fe686b4d1b56927a41fa84a9bc1efb61d8a45a123a3db43bcaa05c2891d635",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "wd1305e20-6-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "1c767d9dcd5b142df00836da1ade78e9b08e970e084aa5b2a707753be9248dbe",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}