WD1305E20-6

{
  "schema_version": 1,
  "type": "component",
  "slug": "wd1305e20-6",
  "title": "WD1305E20-6",
  "brief": "WILLSEMI Will Semicon DC-DC Converters, SOT-23-6L. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "power management (pmic)",
    "wd1305e20-6",
    "factory-2.0.0",
    "extractor-text"
  ],
  "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": [
      {
        "file": "wd1305e20-6.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,
        "centre_offset_mm": 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": [
          2.8,
          2.9,
          1.55
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "1c767d9dcd5b142df00836da1ade78e9b08e970e084aa5b2a707753be9248dbe",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "WILLSEMI Will Semicon",
      "Package": "SOT-23-6L",
      "Category": "Power Management (PMIC)",
      "Pins": "6"
    },
    "appearance": {
      "contacts": {
        "quote": "2 GND System Ground pin. Reference ground of the regulated output voltage: requires extra care during PCB layout. Connect to GND with copper traces and vias.",
        "page": 2,
        "doc": "ds.pdf",
        "material": "copper"
      },
      "version": 1,
      "datasheet_sha256": "9c4925c6dfcb80991a576d2e06d0a46a9acdbd3795b7b18e0473979b178602c1"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "9c4925c6dfcb80991a576d2e06d0a46a9acdbd3795b7b18e0473979b178602c1",
      "rows": [
        {
          "name": "Input Voltage Range",
          "symbol": "VIN",
          "kind": "electrical",
          "unit": "V",
          "min": 4.5,
          "typ": null,
          "max": 18,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Supply Voltage (recommended)",
          "symbol": "VIN",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 4.5,
          "typ": 12,
          "max": 18,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Operating Junction Temp. (TJ)",
          "symbol": "TJ",
          "kind": "recommended_operating",
          "unit": "℃",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Standby Supply Current",
          "symbol": "IQ",
          "kind": "electrical",
          "unit": "uA",
          "min": null,
          "typ": 70,
          "max": 100,
          "conditions": "VFB = 105%, IOUT = 0A",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Shutdown Supply Current",
          "symbol": "ISHDN",
          "kind": "electrical",
          "unit": "uA",
          "min": null,
          "typ": 2,
          "max": 5,
          "conditions": "VEN = 0V, Vin=12V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Feedback reference Voltage",
          "symbol": "VFB",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 0.6,
          "max": null,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Feedback reference Voltage tolerance",
          "symbol": "VFB",
          "kind": "tolerance",
          "unit": "%",
          "min": -2,
          "typ": null,
          "max": 2,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Inductor valley Current Limit",
          "symbol": "ILIM",
          "kind": "electrical",
          "unit": "A",
          "min": null,
          "typ": 2.4,
          "max": null,
          "conditions": "VIN = 12V, VOUT = 5V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Oscillator Frequency",
          "symbol": "fOSC",
          "kind": "electrical",
          "unit": "kHz",
          "min": null,
          "typ": 500,
          "max": null,
          "conditions": "VFB or VOUT in regulation",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "RDS(ON) of HS FET",
          "symbol": "RPFET",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": 0.14,
          "max": null,
          "conditions": "ISW = 100mA",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "RDS(ON) of LS FET",
          "symbol": "RNFET",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": 0.11,
          "max": null,
          "conditions": "ISW = −100mA",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Feedback Leakage Current",
          "symbol": "IFB",
          "kind": "electrical",
          "unit": "nA",
          "min": -30,
          "typ": null,
          "max": 30,
          "conditions": "VFB=0.85V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "SW Leakage Current",
          "symbol": "ILSW",
          "kind": "electrical",
          "unit": "uA",
          "min": -5,
          "typ": null,
          "max": 5,
          "conditions": "VIN = 12V, VSW = 0V or 12V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "EN Rising Threshold",
          "symbol": "VENH",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 1.4,
          "max": null,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "EN falling Threshold",
          "symbol": "VENL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 0.4,
          "max": null,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "EN Leakage Current (VEN = 0V)",
          "symbol": "IEN",
          "kind": "electrical",
          "unit": "uA",
          "min": null,
          "typ": 1,
          "max": null,
          "conditions": "VIN = 12V, VEN = 0V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "EN Leakage Current (VEN = VIN)",
          "symbol": "IEN",
          "kind": "electrical",
          "unit": "uA",
          "min": null,
          "typ": 1,
          "max": 2,
          "conditions": "VIN = 12V, VEN = VIN",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Min On Time",
          "symbol": "",
          "kind": "electrical",
          "unit": "nS",
          "min": null,
          "typ": 50,
          "max": null,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Min Off Time",
          "symbol": "",
          "kind": "electrical",
          "unit": "nS",
          "min": null,
          "typ": 100,
          "max": null,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Soft Start Time",
          "symbol": "",
          "kind": "electrical",
          "unit": "uS",
          "min": null,
          "typ": 800,
          "max": null,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Input OVP Shutdown (rising)",
          "symbol": "VOVP",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 19,
          "max": null,
          "conditions": "Rising",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Input OVP Shutdown (falling)",
          "symbol": "VOVP",
          "kind": "electrical",
          "unit": "V",
          "min": 18,
          "typ": null,
          "max": 18.5,
          "conditions": "Falling",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Over Voltage Protection Blanking Time",
          "symbol": "",
          "kind": "electrical",
          "unit": "uS",
          "min": null,
          "typ": 15,
          "max": null,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Over Temperature Protection",
          "symbol": "TOTP",
          "kind": "electrical",
          "unit": "oC",
          "min": null,
          "typ": 155,
          "max": null,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "OTP Hysteresis",
          "symbol": "",
          "kind": "electrical",
          "unit": "oC",
          "min": null,
          "typ": 25,
          "max": null,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "VIN pin voltage range",
          "symbol": "VIN",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 20,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "EN pin voltage range",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": null,
          "conditions": "Upper limit printed as VIN",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "SW pin voltage range (DC)",
          "symbol": "VSW",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": null,
          "conditions": "Upper limit printed as VIN(Max)+0.3",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "All Other Pins Voltage",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 6,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Power Dissipation SOT23-6L",
          "symbol": "PD",
          "kind": "absolute_maximum",
          "unit": "W",
          "min": null,
          "typ": null,
          "max": 0.5,
          "conditions": "SOT23-6L (Note 2)",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Thermal resistance junction-to-ambient",
          "symbol": "RθJA",
          "kind": "thermal",
          "unit": "oC/W",
          "min": null,
          "typ": 250,
          "max": null,
          "conditions": "Tested on EV5303-1.0 board",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Thermal resistance junction-to-case",
          "symbol": "RθJC",
          "kind": "thermal",
          "unit": "oC/W",
          "min": null,
          "typ": 110,
          "max": null,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Maximum Junction Temperature",
          "symbol": "TJ",
          "kind": "absolute_maximum",
          "unit": "oC",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Lead temperature (soldering)",
          "symbol": "TL",
          "kind": "absolute_maximum",
          "unit": "oC",
          "min": null,
          "typ": null,
          "max": 260,
          "conditions": "Soldering, 10s",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Operating ambient temperature",
          "symbol": "Topr",
          "kind": "absolute_maximum",
          "unit": "oC",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Storage temperature",
          "symbol": "Tstg",
          "kind": "absolute_maximum",
          "unit": "oC",
          "min": -55,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "ESD HBM",
          "symbol": "HBM",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 5500,
          "conditions": "HBM",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "ESD CDM",
          "symbol": "CDM",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 2000,
          "conditions": "CDM",
          "source_page": 3,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "wd1305e20-6"
  ],
  "discovery_pitch": "WD1305E20-6 (WILLSEMI Will Semicon) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "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"
  ],
  "visibility": {
    "public": true
  }
}