INK1105DN

{
  "slug": "ink1105dn",
  "version": "0.1.0",
  "type": "component",
  "description": "Cross chip LED Drivers, DFN-8-EP(2x2). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "led drivers",
    "ink1105dn",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "ink1105dn.kicad_sym",
    "ink1105dn.kicad_mod",
    "ink1105dn.glb",
    "ink1105dn.step",
    "ink1105dn.lbr",
    "docs/hero.png",
    "docs/ink1105dn-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "ink1105dn-hero.glb",
    "ink1105dn-hero.overlay.json",
    "ink1105dn-etched.glb"
  ],
  "component": {
    "mpn": "INK1105DN",
    "manufacturer": "Cross chip",
    "package": "DFN-8-EP(2x2)",
    "pin_count": 9,
    "category": "LED Drivers",
    "subcategory": "LED Drivers",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588944756495409152",
    "parts": {
      "symbol": "ink1105dn.kicad_sym",
      "footprint": "ink1105dn.kicad_mod",
      "model_3d": "ink1105dn-hero.glb",
      "model_3d_plain": "ink1105dn-etched.glb",
      "model_3d_step": "ink1105dn-etched.step",
      "model_3d_step_plain": "ink1105dn.step",
      "lbr": "ink1105dn.lbr"
    },
    "distributor_links": {
      "lcsc": "C2840171"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T16:43:09Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "DRV",
        "type": "output",
        "description": "LED drive pin; the datasheet gives a maximum DRV pin voltage of 7.0 V and a maximum DRV pin current of 800 mA."
      },
      {
        "number": "2",
        "name": "VCC",
        "type": "power_in",
        "description": "Supply pin with built-in reverse-polarity protection, so no external protection device is needed; absolute range is -6.0 V to 6.0 V."
      },
      {
        "number": "3",
        "name": "VREF",
        "type": "power_out",
        "description": "2.1 V reference voltage output with a maximum load capability of 1 mA."
      },
      {
        "number": "4",
        "name": "DIM",
        "type": "input",
        "description": "Dimming control pin for analog or digital dimming; in analog mode its voltage is attenuated 5x, and in digital mode it is compared with the CT pin voltage to produce the PWM signal."
      },
      {
        "number": "5",
        "name": "FS0",
        "type": "input",
        "description": "Dimming function select pin with an internal pull-up resistor."
      },
      {
        "number": "6",
        "name": "CT",
        "type": "passive",
        "description": "Digital dimming frequency or flash frequency setting pin; a capacitor connected here sets the frequency."
      },
      {
        "number": "7",
        "name": "FS1",
        "type": "input",
        "description": "Dimming function select pin with an internal pull-up resistor."
      },
      {
        "number": "8",
        "name": "FB",
        "type": "input",
        "description": "Feedback pin; a resistor connected from this pin to ground sets the LED drive current."
      },
      {
        "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 exposed pad is printed as 'GND EP' with no numeric lead number. It is listed here as 'EP' and sh; The datasheet gives no pin type labels. The types for CT (passive), FB (input) and DRV (output) are ",
          "exposed pad 9 added from the footprint",
          "dropped thermal pad ['EP'] absent from footprint"
        ],
        "pages_sent": 7,
        "cost_usd": 0.0345,
        "at": "2026-10-18T16:42:56"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588944756495409152",
        "pages": 7,
        "sha256": "54ff346554e24d9f",
        "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": [
      {
        "file": "ink1105dn.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.0,
          1.98,
          0.92
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "914cd301aa2efff54a7c18fe40fe21c25b277d6109b6cb10afb266387128ddd0",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ink1105dn-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.0,
          1.98,
          0.92
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "d4b48770b68d4205fae81ec9b434fda3a06adc2ec14aae2a9d87671ca7ac5958",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}