PN8386SEC-R1

{
  "slug": "pn8386sec-r1",
  "version": "0.1.0",
  "type": "component",
  "description": "Wuxi Chipown Micro-electronics AC-DC Controllers & Regulators, SOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
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    "power management ics",
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    "pn8386sec-r1.lbr",
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    "docs/pn8386sec-r1-datasheet.pdf",
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  "component": {
    "mpn": "PN8386SEC-R1",
    "manufacturer": "Wuxi Chipown Micro-electronics",
    "package": "SOP-8",
    "pin_count": 8,
    "category": "Power Management ICs",
    "subcategory": "AC-DC Controllers & Regulators",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/4ce925b106dbcf49ce59d1e08214155e.pdf",
    "parts": {
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      "lbr": "pn8386sec-r1.lbr"
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    "distributor_links": {
      "lcsc": "C361074"
    },
    "distributor_check": {
      "checked_at": "2026-10-22T22:02:08Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
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    },
    "pins": [
      {
        "number": "1",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference pin of the chip."
      },
      {
        "number": "2",
        "name": "VDD",
        "type": "power_in",
        "description": "Supply voltage input pin with operating range 10 to 30V (absolute max -0.3 to 40V), UVLO off at 8.5V typ, on at 16.5V typ."
      },
      {
        "number": "3",
        "name": "FB",
        "type": "input",
        "description": "Feedback pin where the auxiliary winding voltage is fed back through a resistor divider to regulate the output (-0.3 to 5.5V, 2.5V reference); also sources cable compensation current."
      },
      {
        "number": "4",
        "name": "CS",
        "type": "input",
        "description": "Current sense pin; the resistor sets the CC mode point and max output power, with 500mV typical overcurrent threshold (-0.3 to 5.5V)."
      },
      {
        "number": "5",
        "name": "SW",
        "type": "passive",
        "description": "Drain of the internal smart power MOSFET connected to the transformer primary, rated -0.3 to 650V; pins 5, 6, 7 and 8 are tied together."
      },
      {
        "number": "6",
        "name": "SW",
        "type": "passive",
        "description": "Drain of the internal smart power MOSFET connected to the transformer primary, rated -0.3 to 650V; pins 5, 6, 7 and 8 are tied together."
      },
      {
        "number": "7",
        "name": "SW",
        "type": "passive",
        "description": "Drain of the internal smart power MOSFET connected to the transformer primary, rated -0.3 to 650V; pins 5, 6, 7 and 8 are tied together."
      },
      {
        "number": "8",
        "name": "SW",
        "type": "passive",
        "description": "Drain of the internal smart power MOSFET connected to the transformer primary, rated -0.3 to 650V; pins 5, 6, 7 and 8 are tied together."
      }
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        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
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        "cost_usd": 0.0817,
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        "pages": 12,
        "sha256": "1f26fe7cebd4539c",
        "source_tier": "lcsc"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 8,
        "described": 8,
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}