DK5320

{
  "schema_version": 1,
  "type": "component",
  "slug": "dk5320",
  "title": "DK5320",
  "brief": "Shenzhen DongKe Semicon AC-DC Controllers & Regulators, SOP-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 supply chip",
    "dk5320",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "DK5320",
    "manufacturer": "Shenzhen DongKe Semicon",
    "package": "SOP-8",
    "pin_count": 8,
    "category": "Power Supply Chip",
    "subcategory": "AC-DC Controllers & Regulators",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/5ae3792e99fcbd644eb152316ce07165.pdf",
    "parts": {
      "symbol": "dk5320.kicad_sym",
      "footprint": "dk5320.kicad_mod",
      "model_3d": "dk5320-hero.glb",
      "model_3d_plain": "dk5320-etched.glb",
      "model_3d_step": "dk5320-etched.step",
      "model_3d_step_plain": "dk5320.step",
      "lbr": "dk5320.lbr"
    },
    "distributor_links": {
      "lcsc": "C3013894"
    },
    "distributor_check": {
      "checked_at": "2026-10-29T07:41:31Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VCC",
        "type": "power_in",
        "description": "Supply pin for the controller, with steady operating voltage of 5 V (5.2 V typ, 5.4 V max), turn-on at 3.5 V rising and turn-off at 2.8 V falling, and an internal clamp of 6.0 V at 2 mA."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin; the VCC bypass capacitor must sit close to the VCC and GND pins, and the trace between GND and the output inductor should be short and wide to limit EMI."
      },
      {
        "number": "3",
        "name": "NC",
        "type": "unconnected",
        "description": "Floating pin with no internal connection, left unconnected on the board."
      },
      {
        "number": "4",
        "name": "CS",
        "type": "input",
        "description": "Current-sense input: the external sampling resistor on CS sets the peak switch current, with an internal detection threshold of 400 mV and 250 ns leading-edge blanking."
      },
      {
        "number": "5",
        "name": "DRAIN",
        "type": "passive",
        "description": "Drain of the internal 650 V high-voltage power MOSFET (BVDSS 650 V), which also supplies start-up current to VCC; a larger copper area improves heat dissipation."
      },
      {
        "number": "6",
        "name": "DRAIN",
        "type": "passive",
        "description": "Drain of the internal 650 V high-voltage power MOSFET (BVDSS 650 V), which also supplies start-up current to VCC; a larger copper area improves heat dissipation."
      },
      {
        "number": "7",
        "name": "DRAIN",
        "type": "passive",
        "description": "Drain of the internal 650 V high-voltage power MOSFET (BVDSS 650 V), which also supplies start-up current to VCC; a larger copper area improves heat dissipation."
      },
      {
        "number": "8",
        "name": "DRAIN",
        "type": "passive",
        "description": "Drain of the internal 650 V high-voltage power MOSFET (BVDSS 650 V), which also supplies start-up current to VCC; a larger copper area improves heat dissipation."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "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's pin table (page 2) lists pins 5, 6, 7 and 8 together as one DRAIN row; they are spli; The datasheet gives the SOP-8 outline and tape-and-reel data (pages 7-8) for this part, so the pinou; The datasheet's VDRAIN_MAX row on page 3 shows only the values 650 and 700 with no clear min/typ/max"
        ],
        "pages_sent": 9,
        "cost_usd": 0.0346,
        "at": "2026-10-29T07:41:19"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/5ae3792e99fcbd644eb152316ce07165.pdf",
        "pages": 9,
        "sha256": "92c5ffb2e96ad302",
        "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": "dk5320.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": "2026-10-29",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "dk5320-etched.step",
        "role": "eda",
        "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": "118da99d7e907b94a907f38bd44a13411b49bd1f740373be6d48860aa4cc08f0",
        "checked": "2026-10-29",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ],
    "package_dims": {
      "package_code": "SOP-8",
      "source_page": 7,
      "D": {
        "nom_mm": 4.9,
        "range_mm": [
          4.7,
          5.1
        ]
      },
      "E1": {
        "nom_mm": 3.9,
        "range_mm": [
          3.8,
          4
        ]
      },
      "E": {
        "nom_mm": 6,
        "range_mm": [
          5.8,
          6.2
        ]
      },
      "e": {
        "nom_mm": 1.27,
        "range_mm": [
          null,
          null
        ]
      },
      "A": {
        "nom_mm": 1.55,
        "range_mm": [
          1.35,
          1.75
        ]
      },
      "source": "datasheet package drawing, every number found on its page (extract_pins --task dims)",
      "model_check": {
        "file": "dk5320.step",
        "verdict": "PASS",
        "reasons": [
          "height and body within the datasheet's package drawing"
        ],
        "by": "factory/package_fit.py"
      }
    }
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Shenzhen DongKe Semicon",
      "Package": "SOP-8",
      "Category": "Power Supply Chip",
      "Pins": "8"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "92c5ffb2e96ad30260b3136710ad7653e53d2e14a43d295b1b80fdef4bb8ad20",
      "rows": [
        {
          "name": "Steady-state VCC operating voltage",
          "symbol": "VCC",
          "kind": "electrical",
          "unit": "V",
          "min": 5,
          "typ": 5.2,
          "max": 5.4,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Maximum switching frequency (center value)",
          "symbol": "FOSC_MAX",
          "kind": "electrical",
          "unit": "kHz",
          "min": 30,
          "typ": 35,
          "max": 40,
          "conditions": "频率中心值",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "VCC operating current",
          "symbol": "IOP",
          "kind": "electrical",
          "unit": "uA",
          "min": null,
          "typ": 200,
          "max": 300,
          "conditions": "VCC=5.2V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Storage temperature range",
          "symbol": "TSTG",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -55,
          "typ": null,
          "max": 155,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Power tube drain-source voltage",
          "symbol": "VDRAIN_MAX",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": 650,
          "max": 700,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "VDD supply voltage",
          "symbol": "VDD",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 7,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "IDD supply current",
          "symbol": "IDD",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 10,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Junction temperature",
          "symbol": "TJ",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Soldering temperature",
          "symbol": "TW",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": null,
          "typ": null,
          "max": 280,
          "conditions": "5S",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "ESD rating",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 2000,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "dk5320"
  ],
  "discovery_pitch": "DK5320 (Shenzhen DongKe Semicon) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "dk5320.kicad_sym",
    "dk5320.kicad_mod",
    "dk5320.glb",
    "dk5320.step",
    "dk5320.lbr",
    "docs/hero.png",
    "docs/dk5320-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "dk5320-hero.glb",
    "dk5320-hero.overlay.json",
    "dk5320-etched.glb"
  ],
  "visibility": {
    "public": true
  }
}