TM3100

{
  "schema_version": 1,
  "type": "component",
  "slug": "tm3100",
  "title": "TM3100",
  "brief": "TM Shenzhen Titan Micro Elec LED Drivers, QSOP-24. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "led-drv",
    "tm3100"
  ],
  "component": {
    "mpn": "TM3100",
    "manufacturer": "TM Shenzhen Titan Micro Elec",
    "package": "QSOP-24",
    "pin_count": 24,
    "category": "LED-drv",
    "subcategory": "LED Drivers",
    "datasheet": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2209231730_TM-Shenzhen-Titan-Micro-Elec-TM3100_C5174557.pdf",
    "parts": {
      "symbol": "tm3100.kicad_sym",
      "footprint": "tm3100.kicad_mod",
      "model_3d": "tm3100-etched.glb",
      "model_3d_plain": "tm3100.glb",
      "model_3d_step": "tm3100-etched.step",
      "model_3d_step_plain": "tm3100.step",
      "lbr": "tm3100.lbr"
    },
    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "GND",
        "type": "power_in",
        "description": "Ground return for control logic and constant-current output driver circuits. Connect to system 0 V."
      },
      {
        "number": "2",
        "name": "SDI",
        "type": "input",
        "description": "Serial data input to the 16-bit shift register (Schmitt-trigger input). Data is clocked in on the rising edge of CLK, MSB last."
      },
      {
        "number": "3",
        "name": "CLK",
        "type": "input",
        "description": "Serial shift-register clock input (Schmitt-trigger). Data on SDI is shifted on the rising edge; maximum clock frequency 25 MHz."
      },
      {
        "number": "4",
        "name": "LE",
        "type": "input",
        "description": "Latch enable input (Schmitt-trigger). When LE is HIGH, serial data is transferred from the shift register into the output latches; when LE is LOW the latch data is held. Internal pull-down (RPDWN ≈ 40 kΩ)."
      },
      {
        "number": "5",
        "name": "OUT0",
        "type": "output",
        "description": "Constant-current sink output channel 0 for driving an LED. Programmable 5-35 mA (set by R-EXT); withstands up to 30 V. Outputs may be paralleled to boost current."
      },
      {
        "number": "6",
        "name": "OUT1",
        "type": "output",
        "description": "Constant-current sink output channel 1. Programmable 5-35 mA via R-EXT, tolerates up to 30 V."
      },
      {
        "number": "7",
        "name": "OUT2",
        "type": "output",
        "description": "Constant-current sink output channel 2. Programmable 5-35 mA via R-EXT, tolerates up to 30 V."
      },
      {
        "number": "8",
        "name": "OUT3",
        "type": "output",
        "description": "Constant-current sink output channel 3. Programmable 5-35 mA via R-EXT, tolerates up to 30 V."
      },
      {
        "number": "9",
        "name": "OUT4",
        "type": "output",
        "description": "Constant-current sink output channel 4. Programmable 5-35 mA via R-EXT, tolerates up to 30 V."
      },
      {
        "number": "10",
        "name": "OUT5",
        "type": "output",
        "description": "Constant-current sink output channel 5. Programmable 5-35 mA via R-EXT, tolerates up to 30 V."
      },
      {
        "number": "11",
        "name": "OUT6",
        "type": "output",
        "description": "Constant-current sink output channel 6. Programmable 5-35 mA via R-EXT, tolerates up to 30 V."
      },
      {
        "number": "12",
        "name": "OUT7",
        "type": "output",
        "description": "Constant-current sink output channel 7. Programmable 5-35 mA via R-EXT, tolerates up to 30 V."
      },
      {
        "number": "13",
        "name": "OUT8",
        "type": "output",
        "description": "Constant-current sink output channel 8. Programmable 5-35 mA via R-EXT, tolerates up to 30 V."
      },
      {
        "number": "14",
        "name": "OUT9",
        "type": "output",
        "description": "Constant-current sink output channel 9. Programmable 5-35 mA via R-EXT, tolerates up to 30 V."
      },
      {
        "number": "15",
        "name": "OUT10",
        "type": "output",
        "description": "Constant-current sink output channel 10. Programmable 5-35 mA via R-EXT, tolerates up to 30 V."
      },
      {
        "number": "16",
        "name": "OUT11",
        "type": "output",
        "description": "Constant-current sink output channel 11. Programmable 5-35 mA via R-EXT, tolerates up to 30 V."
      },
      {
        "number": "17",
        "name": "OUT12",
        "type": "output",
        "description": "Constant-current sink output channel 12. Programmable 5-35 mA via R-EXT, tolerates up to 30 V."
      },
      {
        "number": "18",
        "name": "OUT13",
        "type": "output",
        "description": "Constant-current sink output channel 13. Programmable 5-35 mA via R-EXT, tolerates up to 30 V."
      },
      {
        "number": "19",
        "name": "OUT14",
        "type": "output",
        "description": "Constant-current sink output channel 14. Programmable 5-35 mA via R-EXT, tolerates up to 30 V."
      },
      {
        "number": "20",
        "name": "OUT15",
        "type": "output",
        "description": "Constant-current sink output channel 15. Programmable 5-35 mA via R-EXT, tolerates up to 30 V."
      },
      {
        "number": "21",
        "name": "OE",
        "type": "input",
        "description": "Output-enable control input (active LOW). When OE is LOW, OUT0-OUT15 sink current; when OE is HIGH, outputs are turned off. Internal pull-up to VDD (RPUP ≈ 40 kΩ)."
      },
      {
        "number": "22",
        "name": "SDO",
        "type": "output",
        "description": "Serial data output from the shift register, updated on the rising edge of CLK. Connect to SDI of the next TM3100 to cascade multiple drivers."
      },
      {
        "number": "23",
        "name": "R-EXT",
        "type": "passive",
        "description": "Constant-current setting pin. Connect an external resistor (Riref) between R-EXT and GND; output current Iout = (1.20 V / Riref) × 15 (e.g. 600 Ω → 30 mA, 1 kΩ → 18 mA). Internal VIREF ≈ 1.20 V."
      },
      {
        "number": "24",
        "name": "VDD",
        "type": "power_in",
        "description": "Chip power supply, 4.5-5.5 V (absolute max 6.0 V). Bypass locally with a decoupling capacitor to GND."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2209231730_TM-Shenzhen-Titan-Micro-Elec-TM3100_C5174557.pdf",
        "pages": 11,
        "sha256": "05ac9a9cf102d8c2",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 24,
        "described": 24,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "tm3100.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          8.65,
          1.72
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "d2244e3f2eff53b6985f22b8c8a44bb319a1973a6a440b2597d6d67813b09338",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "tm3100-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "TM Shenzhen Titan Micro Elec",
      "Package": "QSOP-24",
      "Category": "LED-drv",
      "Pins": "24"
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "tm3100"
  ],
  "discovery_pitch": "TM3100 (TM Shenzhen Titan Micro Elec) 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",
    "tm3100.kicad_sym",
    "tm3100.kicad_mod",
    "tm3100.glb",
    "tm3100.step",
    "tm3100.lbr",
    "docs/hero.png",
    "docs/tm3100-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "updated_at": "2026-09-25T10:57:35.714Z"
}