DK112

{
  "schema_version": 1,
  "type": "component",
  "slug": "dk112",
  "title": "DK112",
  "brief": "Shenzhen DongKe Semicon AC-DC Controllers And Regulators, DIP-8. 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)",
    "dk112",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "DK112",
    "manufacturer": "Shenzhen DongKe Semicon",
    "package": "DIP-8",
    "pin_count": 8,
    "category": "Power Management (PMIC)",
    "subcategory": "AC-DC Controllers And Regulators",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588887503646969856",
    "parts": {
      "symbol": "dk112.kicad_sym",
      "footprint": "dk112.kicad_mod",
      "model_3d": "dk112-etched.glb",
      "model_3d_plain": "dk112.glb",
      "model_3d_step": "dk112-etched.step",
      "model_3d_step_plain": "dk112.step",
      "lbr": "dk112.lbr"
    },
    "distributor_links": {
      "lcsc": "C78751"
    },
    "pins": [
      {
        "number": "1",
        "name": "Gnd",
        "type": "power_in",
        "description": "Ground pin for power return path."
      },
      {
        "number": "2",
        "name": "Gnd",
        "type": "power_in",
        "description": "Ground pin for power return path."
      },
      {
        "number": "3",
        "name": "Fb",
        "type": "input",
        "description": "Feedback control pin with voltage range 1.6V to 3.6V; requires external filter capacitor of 10nF to 100nF."
      },
      {
        "number": "4",
        "name": "Vcc",
        "type": "power_in",
        "description": "Power supply pin with operating voltage range 4V to 6V and absolute maximum rating 9V."
      },
      {
        "number": "5",
        "name": "Collector",
        "type": "output",
        "description": "Collector output pin connected to high-voltage switch transistor collector and transformer with maximum voltage rating 780V."
      },
      {
        "number": "6",
        "name": "Collector",
        "type": "output",
        "description": "Collector output pin connected to high-voltage switch transistor collector and transformer with maximum voltage rating 780V."
      },
      {
        "number": "7",
        "name": "Collector",
        "type": "output",
        "description": "Collector output pin connected to high-voltage switch transistor collector and transformer with maximum voltage rating 780V."
      },
      {
        "number": "8",
        "name": "Collector",
        "type": "output",
        "description": "Collector output pin connected to high-voltage switch transistor collector and transformer with maximum voltage rating 780V."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.2",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.2",
        "primary_model": "claude-haiku-4-5-20251001",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-4-6",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "1/8 pins cited to the wrong page (name found elsewhere): ['7:Collector@p2']"
        ],
        "pages_sent": 14,
        "cost_usd": 0.1783,
        "at": "2026-09-22T11:50:54"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588887503646969856",
        "pages": 14,
        "sha256": "b87797a2f217787e",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 8,
        "described": 8,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "dk112.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "body on z = 0, through-hole leads below",
        "extents_mm": [
          7.874,
          9.27,
          6.98
        ],
        "zmin_mm": -3.3,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "4a377a56a8d9e9c0b86c095ef9ecc1869ac19e7f5069a3247b294250bf4f235d",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "dk112-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "body on z = 0, through-hole leads below",
        "extents_mm": [
          7.874,
          9.27,
          6.98
        ],
        "zmin_mm": -3.3,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "71b042bdaa7820cc9c8b81e0f757bb36e26ece553eda922a7024905f4ab36e8f",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Shenzhen DongKe Semicon",
      "Package": "DIP-8",
      "Category": "Power Management (PMIC)",
      "Pins": "8"
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "dk112"
  ],
  "discovery_pitch": "DK112 (Shenzhen DongKe Semicon) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "dk112.kicad_sym",
    "dk112.kicad_mod",
    "dk112.glb",
    "dk112.step",
    "dk112.lbr",
    "docs/hero.png",
    "docs/dk112-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "updated_at": "2026-09-24T19:47:19.090Z"
}