CC1108ST

{
  "schema_version": 1,
  "type": "component",
  "slug": "cc1108st",
  "title": "CC1108ST",
  "brief": "Cross chip LED Drivers, SOT-23-5. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "led-drv",
    "cc1108st"
  ],
  "component": {
    "mpn": "CC1108ST",
    "manufacturer": "Cross chip",
    "package": "SOT-23-5",
    "pin_count": 5,
    "category": "LED-drv",
    "subcategory": "LED Drivers",
    "datasheet": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2407171006_Cross-chip-CC1108ST_C2997138.pdf",
    "parts": {
      "symbol": "cc1108st.kicad_sym",
      "footprint": "cc1108st.kicad_mod",
      "model_3d": "cc1108st-etched.glb",
      "model_3d_plain": "cc1108st.glb",
      "model_3d_step": "cc1108st-etched.step",
      "model_3d_step_plain": "cc1108st.step",
      "lbr": "cc1108st.lbr"
    },
    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "VFB",
        "type": "input",
        "description": "LED drive current setting terminal. Connect an external resistor RFB between this pin and GND to program the constant output current: ILED = VFB / RFB, with VFB typically 150 mV (144-156 mV). Absolute max voltage -0.3 V to 5.5 V."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for the device. RFB feedback resistor returns to this pin."
      },
      {
        "number": "3",
        "name": "DIM",
        "type": "input",
        "description": "PWM dimming control input with built-in 50 kΩ pull-up resistor to internal 5 V rail; may be left floating if dimming is not required (chip outputs maximum current). Logic levels: VIH >= 2.5 V, VIL <= 0.4 V. Absolute max voltage -0.3 V to 5.5 V."
      },
      {
        "number": "4",
        "name": "VCC",
        "type": "power_in",
        "description": "Power supply input, 2.5 V to 24 V operating range (absolute max -30 V to 28 V). Features reverse-connection protection, with reverse leakage current below 10 uA at VCC = -30 V. For VCC >= 12 V direct-supply applications, a 1 kΩ series resistor is recommended to suppress hot-swap transients."
      },
      {
        "number": "5",
        "name": "DRV",
        "type": "output",
        "description": "LED drive sink current output. Connects to the cathode of the LED string; sinks up to 200 mA continuous with a saturation drop of only ~175 mV. Absolute max voltage -0.3 V to 32 V. Leakage current below 1 uA when disabled."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2407171006_Cross-chip-CC1108ST_C2997138.pdf",
        "pages": 10,
        "sha256": "f4fa14d08e0968f2",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 5,
        "described": 5,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "cc1108st.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.8,
          2.9,
          1.55
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "720a6eab0024069bbee68e7cb4c3ff1149468a34611225cdc852662c5d0ec2b7",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "cc1108st-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.8,
          2.9,
          1.55
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "1702ca49d4436faa1862d98d33f930a2bb14b037663121a550dda80b62f2916b",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Cross chip",
      "Package": "SOT-23-5",
      "Category": "LED-drv",
      "Pins": "5"
    }
  },
  "variants": [
    {
      "mpn": "CC1108ST",
      "kind": "packaging"
    }
  ],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "cc1108st"
  ],
  "discovery_pitch": "CC1108ST (Cross chip) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "cc1108st.kicad_sym",
    "cc1108st.kicad_mod",
    "cc1108st.glb",
    "cc1108st.step",
    "cc1108st.lbr",
    "docs/hero.png",
    "docs/cc1108st-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "updated_at": "2026-09-24T18:30:29.078Z"
}