DX3112E

{
  "slug": "dx3112e",
  "version": "0.1.0",
  "type": "component",
  "description": "Dersem LED Drivers, ESOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "led drivers",
    "dx3112e",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "dx3112e.kicad_sym",
    "dx3112e.kicad_mod",
    "dx3112e.glb",
    "dx3112e.step",
    "dx3112e.lbr",
    "docs/hero.png",
    "docs/dx3112e-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "dx3112e-hero.glb",
    "dx3112e-hero.overlay.json",
    "dx3112e-etched.glb"
  ],
  "component": {
    "mpn": "DX3112E",
    "manufacturer": "Dersem",
    "package": "ESOP-8",
    "pin_count": 9,
    "category": "LED Drivers",
    "subcategory": "LED Drivers",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603369280277278720",
    "parts": {
      "symbol": "dx3112e.kicad_sym",
      "footprint": "dx3112e.kicad_mod",
      "model_3d": "dx3112e-hero.glb",
      "model_3d_plain": "dx3112e-etched.glb",
      "model_3d_step": "dx3112e-etched.step",
      "model_3d_step_plain": "dx3112e.step",
      "lbr": "dx3112e.lbr"
    },
    "distributor_links": {
      "lcsc": "C22364165"
    },
    "distributor_check": {
      "checked_at": "2026-10-17T08:46:53Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "NC",
        "type": "unconnected",
        "description": "Not connected; the datasheet specifies this pin as a floating (suspended) pin."
      },
      {
        "number": "2",
        "name": "NC",
        "type": "unconnected",
        "description": "Not connected; the datasheet specifies this pin as a floating (suspended) pin."
      },
      {
        "number": "3",
        "name": "REXT1",
        "type": "input",
        "description": "Current-sampling port 1 for setting the channel 1 output current through an external REXT resistor; the datasheet limits its input voltage to -0.3 V to 7 V."
      },
      {
        "number": "4",
        "name": "REXT2",
        "type": "input",
        "description": "Current-sampling port 2 for setting the channel 2 output current through an external REXT resistor; the datasheet limits its input voltage to -0.3 V to 7 V."
      },
      {
        "number": "5",
        "name": "OUT1",
        "type": "output",
        "description": "Constant-current output port 1 driving LED string 1; the datasheet limits its voltage to -0.3 V to 500 V."
      },
      {
        "number": "6",
        "name": "OUT2",
        "type": "output",
        "description": "Constant-current output port 2 driving LED string 2; the datasheet limits its voltage to -0.3 V to 500 V."
      },
      {
        "number": "7",
        "name": "NC",
        "type": "unconnected",
        "description": "Not connected; the datasheet specifies this pin as a floating (suspended) pin."
      },
      {
        "number": "8",
        "name": "VIN",
        "type": "power_in",
        "description": "Chip supply input that powers the device from the high-voltage line; the datasheet limits its voltage to -0.3 V to 700 V and lists a minimum operating voltage of 18.5 V."
      },
      {
        "number": "9",
        "name": "EP",
        "type": "passive",
        "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
      }
    ],
    "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 lists a 'substrate GND' (衬底 GND, chip ground) that is not given a pin number on the pa; Pin types are inferred from the functional descriptions (sense inputs, constant-current outputs, sup; Ordering info lists DX3112E only in the ESOP8 package, so the pinout applies to the ESOP8 variant. T",
          "exposed pad 9 added from the footprint"
        ],
        "pages_sent": 7,
        "cost_usd": 0.0372,
        "at": "2026-10-17T08:46:35"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603369280277278720",
        "pages": 7,
        "sha256": "237977eb6677001a",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 9,
        "described": 9,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
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        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.9,
          4.9,
          1.65
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "f1718a42c5ea007e8e2dd672ac39a1bb358ee4849bd53c42e21ce83e0e5df7a9",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "dx3112e-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": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "b1a61a0602521effa91f0b302a23d153af916c14ccbce064fd4497968373af6f",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}