TM1814

{
  "schema_version": 1,
  "type": "component",
  "slug": "tm1814",
  "title": "TM1814",
  "brief": "TM Shenzhen Titan Micro Elec TM1814 TA2105B LED Drivers, SOP-8. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "led-drv",
    "tm1814"
  ],
  "component": {
    "mpn": "TM1814",
    "manufacturer": "TM Shenzhen Titan Micro Elec TM1814 TA2105B",
    "package": "SOP-8",
    "pin_count": 8,
    "category": "LED-drv",
    "subcategory": "LED Drivers",
    "datasheet": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2402210952_TM-Shenzhen-Titan-Micro-Elec-TM1814-TA2105B_C20622183.pdf",
    "parts": {
      "symbol": "tm1814.kicad_sym",
      "footprint": "tm1814.kicad_mod",
      "model_3d": "tm1814-etched.glb",
      "model_3d_plain": "tm1814.glb",
      "model_3d_step": "tm1814-etched.step",
      "model_3d_step_plain": "tm1814.step",
      "lbr": "tm1814.lbr"
    },
    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "OUTR",
        "type": "output",
        "description": "Red-channel constant-current output. N-channel open-drain sink; 64-step programmable constant current 6.5 mA-38 mA, 256-level PWM dimming. Rated up to 32 V; recommended OUT-on voltage 1.2-3 V for best efficiency; enters constant-current region above ~0.8 V."
      },
      {
        "number": "2",
        "name": "OUTG",
        "type": "output",
        "description": "Green-channel constant-current output. N-channel open-drain sink; 64-step programmable constant current 6.5 mA-38 mA with 256-level PWM. Absolute max 32 V; channel-to-channel matching ±3%."
      },
      {
        "number": "3",
        "name": "OUTB",
        "type": "output",
        "description": "Blue-channel constant-current output. N-channel open-drain sink; 64-step programmable constant current 6.5 mA-38 mA with 256-level PWM. Absolute max 32 V."
      },
      {
        "number": "4",
        "name": "GND",
        "type": "power_in",
        "description": "Ground / power supply return. All voltages are referenced to this pin."
      },
      {
        "number": "5",
        "name": "DO",
        "type": "output",
        "description": "Single-wire cascade data output. Forwards regenerated data to the DIN of the next TM1814 in the chain; held high before forwarding starts. Recommend 100 Ω series resistor for ESD/hot-plug protection. Propagation delay DIN→DO ~155 ns."
      },
      {
        "number": "6",
        "name": "DIN",
        "type": "input",
        "description": "Single-wire cascade data input. Receives NRZ-coded control data (C1 current setting + C2 inverse + Dn PWM values) at up to 800 kHz. VIH ≥ 3.5 V, VIL ≤ 1.5 V at VDD=5 V. Recommend 100 Ω series resistor for ESD/hot-plug protection."
      },
      {
        "number": "7",
        "name": "VDD",
        "type": "power_in",
        "description": "Logic power supply, 4.5-6.5 V typical (5.0 V nominal). Integrates an internal 5 V zener regulator so the chip can operate from a 6-24 V rail through an external series resistor (R = (VDC - 5.5 V) / 10 mA). Bypass with a 104 (100 nF) decoupling cap close to the pin. Abs-max 7.0 V."
      },
      {
        "number": "8",
        "name": "OUTW",
        "type": "output",
        "description": "White-channel constant-current output. N-channel open-drain sink; 64-step programmable constant current 6.5 mA-38 mA with 256-level PWM. Absolute max 32 V."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2402210952_TM-Shenzhen-Titan-Micro-Elec-TM1814-TA2105B_C20622183.pdf",
        "pages": 10,
        "sha256": "4287ea6b25920461",
        "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"
    },
    "models_3d": [
      {
        "file": "tm1814.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          4.9,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "tm1814-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          4.9,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "3cb8b3cee55c8eca5412dc146c433f8b91007a9c60092c8fd675b3f6a76422c5",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "TM Shenzhen Titan Micro Elec",
      "Package": "SOP-8",
      "Category": "LED-drv",
      "Pins": "8"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "tm1814"
  ],
  "discovery_pitch": "TM1814 (TM Shenzhen Titan Micro Elec TM1814 TA2105B) 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",
    "tm1814.kicad_sym",
    "tm1814.kicad_mod",
    "tm1814.glb",
    "tm1814.step",
    "tm1814.lbr",
    "docs/hero.png",
    "docs/tm1814-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "tm1814-etched.step"
  ],
  "visibility": {
    "public": true
  },
  "updated_at": "2026-09-25T10:56:53.813Z"
}