dk501

{
  "slug": "dk501",
  "version": "0.1.0",
  "type": "component",
  "description": "Shenzhen DongKe Semicon AC-DC Controllers and Regulators, SOP-8. Datasheet-verified pinout, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "pmic",
    "dk501"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "dk501.kicad_sym",
    "dk501.kicad_mod",
    "dk501.glb",
    "dk501.step",
    "dk501.lbr",
    "docs/hero.png",
    "docs/dk501-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "dk501-etched.step"
  ],
  "visibility": {
    "public": true
  },
  "author": {
    "name": "Ray"
  },
  "component": {
    "mpn": "DK501",
    "manufacturer": "Shenzhen DongKe Semicon",
    "package": "SOP-8",
    "pin_count": 8,
    "category": "AC-DC Controllers and Regulators",
    "parts": {
      "symbol": "dk501.kicad_sym",
      "footprint": "dk501.kicad_mod",
      "model_3d": "dk501-etched.glb",
      "model_3d_plain": "dk501.glb",
      "model_3d_step": "dk501-etched.step",
      "model_3d_step_plain": "dk501.step",
      "lbr": "dk501.lbr"
    },
    "pins": [
      {
        "number": "1",
        "name": "TC",
        "type": "passive",
        "description": "Thermal/connection pin. Per datasheet, tied to GND. Provides thermal conduction path."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Internal ground reference pin. Reference point for all sampled/detected signals inside the IC."
      },
      {
        "number": "3",
        "name": "FB",
        "type": "input",
        "description": "Feedback voltage sense pin. Regulates output by comparing voltage between pin 2 (GND) and pin 3 (FB) against the internal 2.5V reference. Requires an external 102-103 (1nF-10nF) smoothing capacitor to filter the signal."
      },
      {
        "number": "4",
        "name": "VCC",
        "type": "power_in",
        "description": "IC supply pin. Uses patented self-powered technology; requires an external 22uF/47uF low-ESR high-frequency capacitor for energy storage placed close between pin 4 and pin 2. Operating VCC ≈ 4.7V, startup threshold 4.95V, restart 3.4V, protection 6.3V."
      },
      {
        "number": "5",
        "name": "OC",
        "type": "power_out",
        "description": "Open-collector/drain output of the integrated 700V high-voltage power switching MOSFET (drain node) and current-sense circuit. Also serves as a thermal-conduction pin; enlarge PCB copper area for heat dissipation. Peak current 600 mA typ."
      },
      {
        "number": "6",
        "name": "OC",
        "type": "power_out",
        "description": "Open-collector/drain output of the integrated 700V high-voltage power switching MOSFET (drain node). Tied together with pins 5, 7, and 8 for thermal dissipation."
      },
      {
        "number": "7",
        "name": "OC",
        "type": "power_out",
        "description": "Open-collector/drain output of the integrated 700V high-voltage power switching MOSFET (drain node). Tied together with pins 5, 6, and 8 for thermal dissipation."
      },
      {
        "number": "8",
        "name": "OC",
        "type": "power_out",
        "description": "Open-collector/drain output of the integrated 700V high-voltage power switching MOSFET (drain node). Tied together with pins 5, 6, and 7 for thermal dissipation."
      }
    ],
    "provenance": {
      "rebuilt": "component block rebuilt 2026-10-05 from this page's own README pinout table and .kicad_sym (pins cross-checked), no re-extraction"
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "distributor_links": {
      "lcsc": "C3013887",
      "digikey": false,
      "mouser": false
    },
    "distributor_check": {
      "checked_at": "2026-10-05T18:56:53Z",
      "source": "Component Ocean /api/assign-pns + lcsc_map",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "models_3d": [
      {
        "file": "dk501.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": "dk501-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": "c2615d57c6b7eb5098bbf775c39ecafb94627894693ea0e81b278fa6b8784e9a",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}