TLC5971RGER

{
  "schema_version": 1,
  "type": "component",
  "slug": "tlc5971rger",
  "title": "TLC5971RGER",
  "brief": "Texas Instruments LED Drivers, VQFN-24-EP(4x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "led drivers",
    "tlc5971rger",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "TLC5971RGER",
    "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/tlc5971",
    "parts": {
      "symbol": "tlc5971rger.kicad_sym",
      "footprint": "tlc5971rger.kicad_mod",
      "model_3d": "tlc5971rger-hero.glb",
      "model_3d_plain": "tlc5971rger.glb",
      "model_3d_step": "tlc5971rger-etched.step",
      "model_3d_step_plain": "tlc5971rger.step",
      "lbr": "tlc5971rger.lbr"
    },
    "distributor_links": {
      "lcsc": "C543004",
      "digikey": "296-28448-2-ND",
      "mouser": "595-TLC5971RGER"
    },
    "distributor_check": {
      "checked_at": "2026-10-08T19:54:08Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-28448-2-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "595-TLC5971RGER",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "SDTI",
        "type": "input",
        "description": "Serial data input for the 224-bit shift register; data present on SDTI are shifted into the LSB on the SCKI rising edge."
      },
      {
        "number": "2",
        "name": "SCKI",
        "type": "input",
        "description": "Serial data shift clock input; the shift register shifts toward the MSB on each SCKI rising edge, and the SCKI signal is used for the SDTO timing."
      },
      {
        "number": "3",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection."
      },
      {
        "number": "4",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection."
      },
      {
        "number": "5",
        "name": "SCKO",
        "type": "output",
        "description": "Serial data shift clock output; the SCKI input clock is adjusted to the timing of the SDTO data and output on this pin."
      },
      {
        "number": "6",
        "name": "SDTO",
        "type": "output",
        "description": "Serial data output connected to the MSB of the 224-bit shift register; data are clocked out on the SCKI rising edge."
      },
      {
        "number": "7",
        "name": "OUTR2",
        "type": "output",
        "description": "Red constant-current sink output (60 mA maximum constant current); outputs may be paralleled for more current and different voltages (up to 17 V) can be applied to each output."
      },
      {
        "number": "8",
        "name": "OUTG2",
        "type": "output",
        "description": "Green constant-current sink output (60 mA maximum constant current); outputs may be paralleled for more current and different voltages (up to 17 V) can be applied to each output."
      },
      {
        "number": "9",
        "name": "OUTB2",
        "type": "output",
        "description": "Blue constant-current sink output (60 mA maximum constant current); outputs may be paralleled for more current and different voltages (up to 17 V) can be applied to each output."
      },
      {
        "number": "10",
        "name": "OUTR3",
        "type": "output",
        "description": "Red constant-current sink output (60 mA maximum constant current); outputs may be paralleled for more current and different voltages (up to 17 V) can be applied to each output."
      },
      {
        "number": "11",
        "name": "OUTG3",
        "type": "output",
        "description": "Green constant-current sink output (60 mA maximum constant current); outputs may be paralleled for more current and different voltages (up to 17 V) can be applied to each output."
      },
      {
        "number": "12",
        "name": "OUTB3",
        "type": "output",
        "description": "Blue constant-current sink output (60 mA maximum constant current); outputs may be paralleled for more current and different voltages (up to 17 V) can be applied to each output."
      },
      {
        "number": "13",
        "name": "VCC",
        "type": "power_in",
        "description": "Power-supply terminal: 6 V to 17 V when the internal regulator is used, or 3 V to 5.5 V when VCC and VREG are tied together for direct supply."
      },
      {
        "number": "14",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection."
      },
      {
        "number": "15",
        "name": "VREG",
        "type": "bidirectional",
        "description": "Internal 3.3-V linear regulator output that requires a 1-µF decoupling capacitor and supplies up to 25 mA (-25 mA regulator output current); it can instead be supplied with 3 V to 5.5 V by connecting it to VCC."
      },
      {
        "number": "16",
        "name": "IREF",
        "type": "bidirectional",
        "description": "Maximum-current programming terminal: a resistor between IREF and GND sets the maximum constant current for every output, and connecting IREF directly to GND forces all outputs off."
      },
      {
        "number": "17",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection."
      },
      {
        "number": "18",
        "name": "GND",
        "type": "power_in",
        "description": "Power ground terminal, which is also the exposed thermal pad of the VQFN package."
      },
      {
        "number": "19",
        "name": "OUTR0",
        "type": "output",
        "description": "Red constant-current sink output (60 mA maximum constant current); outputs may be paralleled for more current and different voltages (up to 17 V) can be applied to each output."
      },
      {
        "number": "20",
        "name": "OUTG0",
        "type": "output",
        "description": "Green constant-current sink output (60 mA maximum constant current); outputs may be paralleled for more current and different voltages (up to 17 V) can be applied to each output."
      },
      {
        "number": "21",
        "name": "OUTB0",
        "type": "output",
        "description": "Blue constant-current sink output (60 mA maximum constant current); outputs may be paralleled for more current and different voltages (up to 17 V) can be applied to each output."
      },
      {
        "number": "22",
        "name": "OUTR1",
        "type": "output",
        "description": "Red constant-current sink output (60 mA maximum constant current); outputs may be paralleled for more current and different voltages (up to 17 V) can be applied to each output."
      },
      {
        "number": "23",
        "name": "OUTG1",
        "type": "output",
        "description": "Green constant-current sink output (60 mA maximum constant current); outputs may be paralleled for more current and different voltages (up to 17 V) can be applied to each output."
      },
      {
        "number": "24",
        "name": "OUTB1",
        "type": "output",
        "description": "Blue constant-current sink output (60 mA maximum constant current); outputs may be paralleled for more current and different voltages (up to 17 V) can be applied to each output."
      },
      {
        "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-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: Pin types for VREG and IREF are printed as I/O in the datasheet pin table; mapped to KiCad 'bidirect; The VQFN exposed thermal pad is not given a separate number; it is listed as GND on RGE pin 18 in th; Pin descriptions for the constant-current outputs combine the per-pin text with the 60 mA constant-c",
          "exposed pad 25 added from the footprint"
        ],
        "pages_sent": 9,
        "cost_usd": 0.0823,
        "at": "2026-10-08T19:53:29"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/tlc5971",
        "pages": 47,
        "sha256": "9314545e14dcae46",
        "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": "tlc5971rger.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4,
          4,
          0.77
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "f7d256794c4147daf24dcae0554fae18510315e565ad1e239b475be7fef80d8b",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "tlc5971rger-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4,
          4,
          0.77
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "d5a82c42b45b63574af4d1af53d71b2bcba6dba73f89af447aa9408e902f00e1",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "VQFN-24-EP(4x4)",
      "Category": "LED Drivers",
      "Pins": "25"
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "tlc5971rger"
  ],
  "discovery_pitch": "TLC5971RGER (Texas Instruments) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "tlc5971rger.kicad_sym",
    "tlc5971rger.kicad_mod",
    "tlc5971rger.glb",
    "tlc5971rger.step",
    "tlc5971rger.lbr",
    "docs/hero.png",
    "docs/tlc5971rger-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "tlc5971rger-hero.glb",
    "tlc5971rger-hero.overlay.json"
  ],
  "visibility": {
    "public": true
  }
}