TLC6946RGER

{
  "slug": "tlc6946rger",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments LED Drivers, VQFN-24-EP(4x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "led drivers",
    "tlc6946rger",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "tlc6946rger.kicad_sym",
    "tlc6946rger.kicad_mod",
    "tlc6946rger.glb",
    "tlc6946rger.step",
    "tlc6946rger.lbr",
    "docs/hero.png",
    "docs/tlc6946rger-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "tlc6946rger-hero.glb",
    "tlc6946rger-hero.overlay.json"
  ],
  "component": {
    "mpn": "TLC6946RGER",
    "manufacturer": "Texas Instruments",
    "package": "VQFN-24-EP(4x4)",
    "pin_count": 25,
    "category": "LED Drivers",
    "subcategory": "LED Drivers",
    "datasheet": "https://www.ti.com/cn/lit/gpn/tlc6946",
    "parts": {
      "symbol": "tlc6946rger.kicad_sym",
      "footprint": "tlc6946rger.kicad_mod",
      "model_3d": "tlc6946rger-hero.glb",
      "model_3d_plain": "tlc6946rger.glb",
      "model_3d_step": "tlc6946rger-etched.step",
      "model_3d_step_plain": "tlc6946rger.step",
      "lbr": "tlc6946rger.lbr"
    },
    "distributor_links": {
      "lcsc": "C1850310",
      "digikey": "296-TLC6946RGERTR-ND",
      "mouser": "595-TLC6946RGER"
    },
    "distributor_check": {
      "checked_at": "2026-10-07T01:51:12Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-TLC6946RGERTR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-TLC6946RGER",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "LAT",
        "type": "input",
        "description": "Data latch input; the falling edge of LAT latches data from the common shift register into the GS data memory or the function control register."
      },
      {
        "number": "2",
        "name": "OUT0",
        "type": "output",
        "description": "Constant-current output (0.3 mA to 25 mA); can be tied together with other outputs to increase current, and a different voltage can be applied to each output."
      },
      {
        "number": "3",
        "name": "OUT1",
        "type": "output",
        "description": "Constant-current output (0.3 mA to 25 mA); can be tied together with other outputs to increase current, and a different voltage can be applied to each output."
      },
      {
        "number": "4",
        "name": "OUT2",
        "type": "output",
        "description": "Constant-current output (0.3 mA to 25 mA); can be tied together with other outputs to increase current, and a different voltage can be applied to each output."
      },
      {
        "number": "5",
        "name": "OUT3",
        "type": "output",
        "description": "Constant-current output (0.3 mA to 25 mA); can be tied together with other outputs to increase current, and a different voltage can be applied to each output."
      },
      {
        "number": "6",
        "name": "OUT4",
        "type": "output",
        "description": "Constant-current output (0.3 mA to 25 mA); can be tied together with other outputs to increase current, and a different voltage can be applied to each output."
      },
      {
        "number": "7",
        "name": "OUT5",
        "type": "output",
        "description": "Constant-current output (0.3 mA to 25 mA); can be tied together with other outputs to increase current, and a different voltage can be applied to each output."
      },
      {
        "number": "8",
        "name": "OUT6",
        "type": "output",
        "description": "Constant-current output (0.3 mA to 25 mA); can be tied together with other outputs to increase current, and a different voltage can be applied to each output."
      },
      {
        "number": "9",
        "name": "OUT7",
        "type": "output",
        "description": "Constant-current output (0.3 mA to 25 mA); can be tied together with other outputs to increase current, and a different voltage can be applied to each output."
      },
      {
        "number": "10",
        "name": "GND",
        "type": "power_in",
        "description": "Power-ground reference; must be connected together with the thermal pad on the board."
      },
      {
        "number": "11",
        "name": "OUT8",
        "type": "output",
        "description": "Constant-current output (0.3 mA to 25 mA); can be tied together with other outputs to increase current, and a different voltage can be applied to each output."
      },
      {
        "number": "12",
        "name": "OUT9",
        "type": "output",
        "description": "Constant-current output (0.3 mA to 25 mA); can be tied together with other outputs to increase current, and a different voltage can be applied to each output."
      },
      {
        "number": "13",
        "name": "OUT10",
        "type": "output",
        "description": "Constant-current output (0.3 mA to 25 mA); can be tied together with other outputs to increase current, and a different voltage can be applied to each output."
      },
      {
        "number": "14",
        "name": "OUT11",
        "type": "output",
        "description": "Constant-current output (0.3 mA to 25 mA); can be tied together with other outputs to increase current, and a different voltage can be applied to each output."
      },
      {
        "number": "15",
        "name": "OUT12",
        "type": "output",
        "description": "Constant-current output (0.3 mA to 25 mA); can be tied together with other outputs to increase current, and a different voltage can be applied to each output."
      },
      {
        "number": "16",
        "name": "OUT13",
        "type": "output",
        "description": "Constant-current output (0.3 mA to 25 mA); can be tied together with other outputs to increase current, and a different voltage can be applied to each output."
      },
      {
        "number": "17",
        "name": "OUT14",
        "type": "output",
        "description": "Constant-current output (0.3 mA to 25 mA); can be tied together with other outputs to increase current, and a different voltage can be applied to each output."
      },
      {
        "number": "18",
        "name": "OUT15",
        "type": "output",
        "description": "Constant-current output (0.3 mA to 25 mA); can be tied together with other outputs to increase current, and a different voltage can be applied to each output."
      },
      {
        "number": "19",
        "name": "SOUT",
        "type": "output",
        "description": "Serial data output of the internal 16-bit common shift register; the MSB of the shift register appears on SOUT."
      },
      {
        "number": "20",
        "name": "GCLK",
        "type": "input",
        "description": "Grayscale PWM reference clock input (max 33 MHz, 25 MHz in dual-edge operation); each rising edge increments the GS counter in default mode, and dual-edge operation is supported."
      },
      {
        "number": "21",
        "name": "IREF",
        "type": "input",
        "description": "Sets the maximum constant-current value via an external resistor to GND placed close to the device; connecting it directly to GND forces all outputs off."
      },
      {
        "number": "22",
        "name": "VCC",
        "type": "power_in",
        "description": "Power supply pin, 3 V to 5.5 V recommended operating range."
      },
      {
        "number": "23",
        "name": "SIN",
        "type": "input",
        "description": "Serial data input of the internal 16-bit common shift register; the LSB is set to the SIN level on each SCLK rising edge."
      },
      {
        "number": "24",
        "name": "SCLK",
        "type": "input",
        "description": "Serial clock input (max 33 MHz); SIN data is shifted into the LSB of the 16-bit common shift register on each rising edge, shifting existing data toward the MSB."
      },
      {
        "number": "25",
        "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-4-5-20251001",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "exposed pad 25 added from the footprint"
        ],
        "pages_sent": 9,
        "cost_usd": 0.1491,
        "at": "2026-10-07T01:50:58"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/tlc6946",
        "pages": 35,
        "sha256": "e4d3df4565501ba1",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 25,
        "described": 25,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "tlc6946rger.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4.0,
          4.0,
          0.77
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "096fc110543e6d324c5120c2d38e3dca87a389da9b6fac234f1fe40856295ef4",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "tlc6946rger-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4.0,
          4.0,
          0.77
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "cf8faa21c447a439ee73c089a818345af7592260fea01f1050855f57284fc303",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}