LKQ4919ST

{
  "schema_version": 1,
  "type": "component",
  "slug": "lkq4919st",
  "title": "LKQ4919ST",
  "brief": "LKWIC Supervisor And Reset ICs, SOT-23-6. 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)",
    "lkq4919st",
    "factory-2.0.0",
    "extractor-text"
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  "component": {
    "mpn": "LKQ4919ST",
    "manufacturer": "LKWIC",
    "package": "SOT-23-6",
    "pin_count": 6,
    "category": "Power Management (PMIC)",
    "subcategory": "Supervisor And Reset ICs",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/9b176103312d2c037adbe264185c526c.pdf",
    "parts": {
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      "lbr": "lkq4919st.lbr"
    },
    "distributor_links": {
      "lcsc": "C48639165"
    },
    "distributor_check": {
      "checked_at": "2026-10-17T21:37:16Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
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      "mouser": {
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    },
    "pins": [
      {
        "number": "1",
        "name": "RESET#",
        "type": "output",
        "description": "Open-drain reset output that is driven low when SENSE falls below VIT or MR# is at logic low, and needs a 10kΩ to 1MΩ pull-up to VDD (it may be pulled above VDD)."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference pin."
      },
      {
        "number": "3",
        "name": "MR#",
        "type": "input",
        "description": "Manual reset input; driving it low asserts RESET#, and it has an internal 100kΩ pull-up to VDD."
      },
      {
        "number": "4",
        "name": "CT",
        "type": "passive",
        "description": "Reset timeout delay pin: connecting it to VDD through a 40kΩ to 200kΩ resistor or leaving it open gives a fixed delay, while a grounded capacitor of at least 100pF sets a user-programmable delay."
      },
      {
        "number": "5",
        "name": "SENSE",
        "type": "input",
        "description": "Voltage monitor input; RESET# is asserted when the voltage on this pin falls below the threshold VIT."
      },
      {
        "number": "6",
        "name": "VDD",
        "type": "power_in",
        "description": "Power supply pin."
      }
    ],
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        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The datasheet gives the pin numbering in Table 1 (section 4.1) but the top-view pinout drawing (Figu; The datasheet lists only one SOT23-6 package for LKQ4919ST, so the package variant is unambiguous. T"
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        "at": "2026-10-17T21:35:03"
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        "total": 6,
        "described": 6,
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  "metadata": {
    "specs": {
      "Manufacturer": "LKWIC",
      "Package": "SOT-23-6",
      "Category": "Power Management (PMIC)",
      "Pins": "6"
    },
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          "name": "Power-on reset voltage",
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          "name": "VIT hysteresis voltage",
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        {
          "name": "MR# internal pull-up resistance",
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          "name": "RESET# delay time",
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          "min": 12,
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          "name": "RESET# delay time",
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          "name": "RESET# leakage current",
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          "name": "Input capacitance (CT pin)",
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          "name": "Junction-to-top characterization parameter",
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