TOP227YN

{
  "slug": "top227yn",
  "version": "0.1.0",
  "type": "component",
  "description": "POWER INTEGRATIONS AC-DC Controllers & Regulators, TO-220. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management ics",
    "top227yn",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
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    "README.md",
    "top227yn.kicad_sym",
    "top227yn.kicad_mod",
    "top227yn.glb",
    "top227yn.step",
    "top227yn.lbr",
    "docs/hero.png",
    "docs/top227yn-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "top227yn-hero.glb",
    "top227yn-hero.overlay.json",
    "top227yn-etched.glb"
  ],
  "component": {
    "mpn": "TOP227YN",
    "manufacturer": "POWER INTEGRATIONS",
    "package": "TO-220",
    "pin_count": 3,
    "category": "Power Management ICs",
    "subcategory": "AC-DC Controllers & Regulators",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/64625f6f5a3447499c4fa795ef37647a.pdf",
    "parts": {
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      "footprint": "top227yn.kicad_mod",
      "model_3d": "top227yn-hero.glb",
      "model_3d_plain": "top227yn-etched.glb",
      "model_3d_step": "top227yn-etched.step",
      "model_3d_step_plain": "top227yn.step",
      "lbr": "top227yn.lbr"
    },
    "distributor_links": {
      "lcsc": "C36141",
      "digikey": "596-1163-5-ND",
      "mouser": "869-TOP227YN"
    },
    "distributor_check": {
      "checked_at": "2026-10-27T01:45:33Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "596-1163-5-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "869-TOP227YN",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "CONTROL",
        "type": "input",
        "description": "Error amplifier and feedback current input for duty cycle control, also the supply bypass and auto-restart/compensation capacitor connection, with the shunt regulator holding VC at typically 5.7 V."
      },
      {
        "number": "2",
        "name": "SOURCE",
        "type": "passive",
        "description": "Output MOSFET source connection for high voltage power return and primary-side circuit common and reference point, internally connected to the tab."
      },
      {
        "number": "3",
        "name": "DRAIN",
        "type": "output",
        "description": "Output MOSFET drain connection that supplies start-up bias through an internal switched high-voltage current source and serves as the internal current sense point."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
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        "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: The datasheet covers TOP221-227 with the suffix 'Y' (e.g. TOP227Y); it does not list 'TOP227YN'. The"
        ],
        "pages_sent": 18,
        "cost_usd": 0.0233,
        "at": "2026-10-27T01:45:15"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/64625f6f5a3447499c4fa795ef37647a.pdf",
        "pages": 18,
        "sha256": "0596d701b5b08c6d",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 3,
        "described": 3,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
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      "footprint": "viewers/footprint.html"
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        "units": "mm",
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        "seat": "body on z = 0, through-hole leads below",
        "extents_mm": [
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        "zmin_mm": -9.75,
        "centre_offset_mm": 0.932,
        "footprint_binding": "identity",
        "sha256": "7cb065d935df5771f0ba6e48ddd180863a121af76483dad7f18e667a7b68204a",
        "checked": "2026-10-27",
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      },
      {
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  }
}