DK5V45R25P

{
  "schema_version": 1,
  "type": "component",
  "slug": "dk5v45r25p",
  "title": "DK5V45R25P",
  "brief": "Shenzhen DongKe Semicon AC-DC Controllers and Regulators, SOP-8. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.2.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
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    "pmic",
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  "component": {
    "mpn": "DK5V45R25P",
    "manufacturer": "Shenzhen DongKe Semicon",
    "package": "SOP-8",
    "pin_count": 8,
    "category": "PMIC",
    "subcategory": "AC-DC Controllers and Regulators",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/ad00008e6ccb3f03472e05dfa45d9119.pdf",
    "parts": {
      "symbol": "dk5v45r25p.kicad_sym",
      "footprint": "dk5v45r25p.kicad_mod",
      "model_3d": "dk5v45r25p-etched.glb",
      "model_3d_plain": "dk5v45r25p.glb",
      "model_3d_step": "dk5v45r25p-etched.step",
      "model_3d_step_plain": "dk5v45r25p.step",
      "lbr": "dk5v45r25p.lbr"
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    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "A",
        "type": "passive",
        "description": "Anode-equivalent terminal of the synchronous rectifier (source of the internal 45V NMOS). Acts as the diode anode in the application; all A pins (1,2,3) are internally tied and typically connected to transformer secondary return. Reference point for all datasheet voltage specs."
      },
      {
        "number": "2",
        "name": "A",
        "type": "passive",
        "description": "Anode-equivalent terminal of the synchronous rectifier. Internally tied to pins 1 and 3."
      },
      {
        "number": "3",
        "name": "A",
        "type": "passive",
        "description": "Anode-equivalent terminal of the synchronous rectifier. Internally tied to pins 1 and 2."
      },
      {
        "number": "4",
        "name": "VCC",
        "type": "power_in",
        "description": "Chip supply pin. Startup threshold VCC_ON = 3.6V, UVLO VCC_OFF = 3.1V, normal operating range 5-6V. In 5V low-side applications VCC ties directly to the output positive rail - no external components required."
      },
      {
        "number": "5",
        "name": "K",
        "type": "passive",
        "description": "Cathode-equivalent terminal of the synchronous rectifier (drain of the internal 45V NMOS). Acts as the diode cathode in the application; all K pins (5,6,7,8) are internally tied and typically connected to the output positive rail."
      },
      {
        "number": "6",
        "name": "K",
        "type": "passive",
        "description": "Cathode-equivalent terminal of the synchronous rectifier. Internally tied to pins 5, 7, 8."
      },
      {
        "number": "7",
        "name": "K",
        "type": "passive",
        "description": "Cathode-equivalent terminal of the synchronous rectifier. Internally tied to pins 5, 6, 8."
      },
      {
        "number": "8",
        "name": "K",
        "type": "passive",
        "description": "Cathode-equivalent terminal of the synchronous rectifier. Internally tied to pins 5, 6, 7."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/ad00008e6ccb3f03472e05dfa45d9119.pdf",
        "pages": 6,
        "sha256": "d96183bd9086ab0e",
        "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": [
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        "file": "dk5v45r25p.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6,
          4.9,
          1.75
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "dk5v45r25p-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "0cddffce84993dac5fe4c0933f415f175a7d1d074a56345d53a8ef99b446d382",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Shenzhen DongKe Semicon",
      "Package": "SOP-8",
      "Category": "PMIC",
      "Pins": "8"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
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  "discovery_triggers": [
    "dk5v45r25p"
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  "discovery_pitch": "DK5V45R25P (Shenzhen DongKe Semicon) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "dk5v45r25p.kicad_sym",
    "dk5v45r25p.kicad_mod",
    "dk5v45r25p.glb",
    "dk5v45r25p.step",
    "dk5v45r25p-etched.step",
    "dk5v45r25p.lbr",
    "docs/hero.png",
    "docs/dk5v45r25p-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "updated_at": "2026-09-24T19:48:06.616Z"
}