WD1502F-6

{
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  "type": "component",
  "slug": "wd1502f-6",
  "title": "WD1502F-6",
  "brief": "WILLSEMI Will Semicon DC-DC Converters, TSOT-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": [
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    "power management (pmic)",
    "wd1502f-6",
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  "component": {
    "mpn": "WD1502F-6",
    "manufacturer": "WILLSEMI Will Semicon",
    "package": "TSOT-23-6L",
    "pin_count": 6,
    "category": "Power Management (PMIC)",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588954669376397312",
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    "distributor_links": {
      "lcsc": "C2931307"
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      "checked_at": "2026-10-17T17:02:33Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
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    },
    "pins": [
      {
        "number": "1",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin serving as the ground reference for both the power circuit and the controller circuit."
      },
      {
        "number": "2",
        "name": "SW",
        "type": "output",
        "description": "Switch node that connects to the switching end of the inductor; DC voltage range is -0.3 V to VIN(Max) per the absolute maximum ratings."
      },
      {
        "number": "3",
        "name": "VIN",
        "type": "power_in",
        "description": "Power supply input with a 4.5 V to 28 V operating range (absolute maximum -0.3 V to 36 V), bypassed with a ceramic capacitor between VIN and GND."
      },
      {
        "number": "4",
        "name": "FB",
        "type": "input",
        "description": "Feedback input; an external resistor divider from the output to GND sets the output voltage against the 0.6 V feedback reference (absolute maximum -0.3 V to 7 V)."
      },
      {
        "number": "5",
        "name": "EN",
        "type": "input",
        "description": "On/off control input: a level above 1.3 V enables the device and a low level disables it into shutdown, with an internal pull-up enabling the device when floating (voltage range -0.3 V to 7 V)."
      },
      {
        "number": "6",
        "name": "BST",
        "type": "passive",
        "description": "Bootstrap pin for the high-side driver, with a 100 nF capacitor connected between SW and BST; voltage range is (VSW - 0.3 V) to (VSW + 7 V)."
      }
    ],
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        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The datasheet does not give ERC electrical types. SW is typed as output and BST as passive based on ; Pin numbers and names were taken from the top-view pin configuration on page 1 and the pin descripti"
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        "cost_usd": 0.052,
        "at": "2026-10-17T17:00:15"
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        "described": 6,
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    "specs": {
      "Manufacturer": "WILLSEMI Will Semicon",
      "Package": "TSOT-23-6L",
      "Category": "Power Management (PMIC)",
      "Pins": "6"
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          "name": "Feedback reference Voltage",
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        {
          "name": "Inductor Peak Current Limit",
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          "kind": "electrical",
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          "min": -0.3,
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          "name": "Maximum Junction Temperature",
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          "name": "Lead temperature (Soldering, 10s)",
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        {
          "name": "Operating ambient temperature",
          "symbol": "Topr",
          "kind": "recommended_operating",
          "unit": "oC",
          "min": -40,
          "typ": null,
          "max": 85,
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        {
          "name": "Storage temperature",
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          "kind": "absolute_maximum",
          "unit": "oC",
          "min": -65,
          "typ": null,
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          "name": "ESD HBM",
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          "name": "Standby Supply Current",
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          "unit": "uA",
          "min": null,
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          "max": null,
          "conditions": "VFB = 105%, IOUT = 0A",
          "source_page": 4,
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        {
          "name": "Switching Frequency",
          "symbol": "fOSC",
          "kind": "electrical",
          "unit": "kHz",
          "min": null,
          "typ": 650,
          "max": null,
          "conditions": "CCM",
          "source_page": 4,
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        {
          "name": "RDS(ON) of HS",
          "symbol": "RHS",
          "kind": "electrical",
          "unit": "mΩ",
          "min": null,
          "typ": 150,
          "max": null,
          "conditions": "ISW = −100mA",
          "source_page": 4,
          "source": "datasheet"
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        {
          "name": "RDS(ON) of LS",
          "symbol": "RLS",
          "kind": "electrical",
          "unit": "mΩ",
          "min": null,
          "typ": 75,
          "max": null,
          "conditions": "ISW = 100mA",
          "source_page": 4,
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        },
        {
          "name": "EN Leakage Current",
          "symbol": "IEN",
          "kind": "electrical",
          "unit": "uA",
          "min": null,
          "typ": 0.7,
          "max": null,
          "conditions": "VIN = 12V, VEN = 1",
          "source_page": 4,
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        {
          "name": "EN Leakage Current",
          "symbol": "IEN",
          "kind": "electrical",
          "unit": "uA",
          "min": null,
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          "max": null,
          "conditions": "VIN = 12V, VEN = 1.5 V",
          "source_page": 4,
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        {
          "name": "Min On Time",
          "symbol": "TON-MIN",
          "kind": "electrical",
          "unit": "nS",
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          "typ": 110,
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          "name": "Soft Start Time",
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          "min": null,
          "typ": 5,
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          "name": "Over Temperature Protection",
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          "name": "Thermal resistance junction-to-ambient",
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          "name": "Thermal resistance junction-to-case",
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