NCP4318BLCDR2G

{
  "slug": "ncp4318blcdr2g",
  "version": "0.1.0",
  "type": "component",
  "description": "onsemi AC-DC Controllers And Regulators, SOIC-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
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  "component": {
    "mpn": "NCP4318BLCDR2G",
    "manufacturer": "onsemi",
    "package": "SOIC-8",
    "pin_count": 8,
    "category": "Power Management (PMIC)",
    "subcategory": "AC-DC Controllers And Regulators",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590197156528627712",
    "parts": {
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      "lbr": "ncp4318blcdr2g.lbr"
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    "distributor_links": {
      "lcsc": "C2902034"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T09:03:16Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
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    },
    "pins": [
      {
        "number": "1",
        "name": "GATE1",
        "type": "output",
        "description": "Gate drive output for SR MOSFET1, clamped to 9 V to 12 V (10.5 V typ) for 12 V < VDD < 33 V with absolute maximum −0.3 V to 17 V, with 1.5 A peak sourcing and 4.5 A peak sinking."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference; all voltage values in the datasheet are stated with respect to this pin."
      },
      {
        "number": "3",
        "name": "VD1",
        "type": "input",
        "description": "Synchronous rectifier drain sense input for SR1, rated −4 V to 200 V absolute (−0.7 V to 180 V recommended); the IOFFSET1 current source flows out of this pin so an external series resistor can set the turn-off threshold, and it is disabled when VDD is under-voltage or switching is disabled in green mode."
      },
      {
        "number": "4",
        "name": "VS1",
        "type": "input",
        "description": "Synchronous rectifier source sense input for SR1, rated −0.3 V to 5.5 V absolute (−0.3 V to 5 V recommended)."
      },
      {
        "number": "5",
        "name": "VS2",
        "type": "input",
        "description": "Synchronous rectifier source sense input for SR2, rated −0.3 V to 5.5 V absolute (−0.3 V to 5 V recommended)."
      },
      {
        "number": "6",
        "name": "VD2",
        "type": "input",
        "description": "Synchronous rectifier drain sense input for SR2, rated −4 V to 200 V absolute (−0.7 V to 180 V recommended); the IOFFSET2 current source flows out of this pin so an external series resistor can set the turn-off threshold, and it is disabled when VDD is under-voltage or switching is disabled in green mode."
      },
      {
        "number": "7",
        "name": "VDD",
        "type": "power_in",
        "description": "Supply voltage, 0 V to 35 V recommended (−0.3 V to 37 V absolute maximum), with turn-on threshold 4.3 V typ and turn-off threshold 3.8 V typ."
      },
      {
        "number": "8",
        "name": "GATE2",
        "type": "output",
        "description": "Gate drive output for SR MOSFET2, clamped to 9 V to 12 V (10.5 V typ) for 12 V < VDD < 33 V with absolute maximum −0.3 V to 17 V, with 1.5 A peak sourcing and 4.5 A peak sinking."
      }
    ],
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        "at": "2026-10-18T09:02:24"
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        "pages": 22,
        "sha256": "d8a63b4ce9ba5ac6",
        "source_tier": "lcsc"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 8,
        "described": 8,
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        "refuses_to_fabricate": true
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