DP4111

{
  "schema_version": 1,
  "type": "component",
  "slug": "dp4111",
  "title": "DP4111",
  "brief": "Shenzhen Developer Microelec 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",
    "dp4111"
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  "component": {
    "mpn": "DP4111",
    "manufacturer": "Shenzhen Developer Microelec",
    "package": "SOP-8",
    "pin_count": 8,
    "category": "PMIC",
    "subcategory": "AC-DC Controllers and Regulators",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/2a158f0697b17c5b9dd806efd99d7dfa.pdf",
    "parts": {
      "symbol": "dp4111.kicad_sym",
      "footprint": "dp4111.kicad_mod",
      "model_3d": "dp4111-etched.glb",
      "model_3d_plain": "dp4111.glb",
      "model_3d_step": "dp4111-etched.step",
      "model_3d_step_plain": "dp4111.step",
      "lbr": "dp4111.lbr"
    },
    "distributor_links": {
      "lcsc": "C2967743"
    },
    "pins": [
      {
        "number": "1",
        "name": "GND",
        "type": "power_in",
        "description": "IC reference ground and source of the internal power MOSFET. Pins 1, 2, 3 are tied together internally."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "IC reference ground and source of the internal power MOSFET. Pins 1, 2, 3 are tied together internally."
      },
      {
        "number": "3",
        "name": "GND",
        "type": "power_in",
        "description": "IC reference ground and source of the internal power MOSFET. Pins 1, 2, 3 are tied together internally."
      },
      {
        "number": "4",
        "name": "VDD",
        "type": "power_in",
        "description": "IC supply pin. Internally regulated to ~7.1 V via a high-voltage LDO from the Drain pin (no auxiliary winding required). UVLO thresholds: VDD_ON=4.0 V typ, VDD_OFF=3.1 V typ; clamped at 7.4 V typ (5 mA). Recommended decoupling: ≥0.1 µF ceramic."
      },
      {
        "number": "5",
        "name": "Drain",
        "type": "power_in",
        "description": "Drain of the internal synchronous-rectifier power MOSFET (BVDSS = 45 V, Rds_on ≈ 10 mΩ for DP4111). Pins 5, 6, 7, 8 are tied together internally for current handling."
      },
      {
        "number": "6",
        "name": "Drain",
        "type": "power_in",
        "description": "Drain of the internal synchronous-rectifier power MOSFET (BVDSS = 45 V, Rds_on ≈ 10 mΩ for DP4111). Pins 5, 6, 7, 8 are tied together internally."
      },
      {
        "number": "7",
        "name": "Drain",
        "type": "power_in",
        "description": "Drain of the internal synchronous-rectifier power MOSFET (BVDSS = 45 V, Rds_on ≈ 10 mΩ for DP4111). Pins 5, 6, 7, 8 are tied together internally."
      },
      {
        "number": "8",
        "name": "Drain",
        "type": "power_in",
        "description": "Drain of the internal synchronous-rectifier power MOSFET (BVDSS = 45 V, Rds_on ≈ 10 mΩ for DP4111). Pins 5, 6, 7, 8 are tied together internally."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/2a158f0697b17c5b9dd806efd99d7dfa.pdf",
        "pages": 9,
        "sha256": "8aaccc46363990e6",
        "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"
    },
    "pin1": {
      "pad": "1",
      "at": [
        -2.475,
        -1.905
      ],
      "corner": "top-left",
      "source": "silk-marker",
      "derived_from": "SOIC-8_3.9x4.9mm_P1.27mm@sha256:074ecb2092b24fa4",
      "mark": "drawn"
    },
    "models_3d": [
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        "file": "dp4111.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": "dp4111-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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          1.75
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "985688ac124b6ffc936dd42e1ac95c456b12ac801f0b7abcba886527abe651a7",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Shenzhen Developer Microelec",
      "Package": "SOP-8",
      "Category": "PMIC",
      "Pins": "8"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "dp4111"
  ],
  "discovery_pitch": "DP4111 (Shenzhen Developer Microelec) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "dp4111.kicad_sym",
    "dp4111.kicad_mod",
    "dp4111.glb",
    "dp4111.step",
    "dp4111-etched.step",
    "dp4111.lbr",
    "docs/hero.png",
    "docs/dp4111-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "variants": [
    {
      "mpn": "DP4111",
      "kind": "packaging"
    }
  ],
  "updated_at": "2026-09-24T19:53:25.874Z"
}