TX6410B

{
  "schema_version": 1,
  "type": "component",
  "slug": "tx6410b",
  "title": "TX6410B",
  "brief": "XDS LED Drivers, ESOP-8. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.2.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "led-drv",
    "tx6410b"
  ],
  "component": {
    "mpn": "TX6410B",
    "manufacturer": "XDS",
    "package": "ESOP-8",
    "pin_count": 9,
    "category": "LED-drv",
    "subcategory": "LED Drivers",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/f4f79ea3fde7504ccfcb513c2dbb9a70.pdf",
    "parts": {
      "symbol": "tx6410b.kicad_sym",
      "footprint": "tx6410b.kicad_mod",
      "model_3d": "tx6410b-etched.glb",
      "model_3d_plain": "tx6410b.glb",
      "model_3d_step": "tx6410b-etched.step",
      "model_3d_step_plain": "tx6410b.step",
      "lbr": "tx6410b.lbr"
    },
    "distributor_links": {
      "lcsc": "C524847"
    },
    "pins": [
      {
        "number": "1",
        "name": "VDD",
        "type": "power_in",
        "description": "Chip supply pin. Operating range 2.5 V to 6 V; absolute max 7 V. Recommend ~4.7 µF filter capacitor placed close to VDD and GND. Quiescent current ~60 µA typ."
      },
      {
        "number": "2",
        "name": "DIM",
        "type": "input",
        "description": "PWM dimming input. Logic high enables LED output; logic low turns LED output off. VIH ≥ 0.7*VDD, VIL ≤ 0.3*VDD. Max dimming frequency 10 kHz (≤1 kHz recommended for best linearity)."
      },
      {
        "number": "3",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection. Leave floating."
      },
      {
        "number": "4",
        "name": "LED",
        "type": "output",
        "description": "Drain of the internal 30 V, 50 mΩ NMOS; connects to the LED cathode. Absolute maximum voltage -0.3 V to 30 V. The exposed thermal pad of the ESOP-8 is internally connected to this pin."
      },
      {
        "number": "5",
        "name": "CS",
        "type": "input",
        "description": "Current-sense input. Connect through an external sense resistor Rcs to GND; the LED current is set by ILED = 100 mV / Rcs (Vcs = 96/100/104 mV min/typ/max). Absolute max voltage -0.3 V to 7 V."
      },
      {
        "number": "6",
        "name": "CS",
        "type": "input",
        "description": "Current-sense input (paralleled with pin 5). Both pins tie to Rcs to GND to set output current. Use short, wide traces to minimize parasitic resistance error."
      },
      {
        "number": "7",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection. Leave floating."
      },
      {
        "number": "8",
        "name": "GND",
        "type": "power_in",
        "description": "Chip ground reference."
      },
      {
        "number": "9",
        "name": "EXPOSED PAD",
        "type": "power_in",
        "description": "Exposed thermal pad. Present in the package land pattern; connect it per the manufacturer datasheet thermal recommendation. Added because the footprint carries this pad and the symbol had no pin for it.",
        "source": "derived-from-footprint"
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/f4f79ea3fde7504ccfcb513c2dbb9a70.pdf",
        "pages": 6,
        "sha256": "7971d684c21714c4",
        "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"
    },
    "pin1": {
      "pad": "1",
      "at": [
        -2.475,
        -1.905
      ],
      "corner": "top-left",
      "source": "silk-marker",
      "derived_from": "SOIC-8-1EP_3.9x4.9mm_P1.27mm_EP2.41x3.3mm@sha256:5848244c5e72002e",
      "mark": "drawn"
    },
    "models_3d": [
      {
        "file": "tx6410b.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.9,
          4.9,
          1.65
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "f1718a42c5ea007e8e2dd672ac39a1bb358ee4849bd53c42e21ce83e0e5df7a9",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "tx6410b-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.9,
          4.9,
          1.65
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "d648cd81bd1ad770406386a545450326d19f72a127fc2ae0559855edad4731d4",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "XDS",
      "Package": "ESOP-8",
      "Category": "LED-drv",
      "Pins": "8"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "tx6410b"
  ],
  "discovery_pitch": "TX6410B (XDS) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "tx6410b.kicad_sym",
    "tx6410b.kicad_mod",
    "tx6410b.glb",
    "tx6410b.step",
    "tx6410b-etched.step",
    "tx6410b.lbr",
    "docs/hero.png",
    "docs/tx6410b-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "updated_at": "2026-09-25T13:20:13.884Z"
}