TX6301

{
  "schema_version": 1,
  "type": "component",
  "slug": "tx6301",
  "title": "TX6301",
  "brief": "XDS LED Drivers, SOIC-8. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.2.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "led-drv",
    "tx6301"
  ],
  "component": {
    "mpn": "TX6301",
    "manufacturer": "XDS",
    "package": "SOIC-8",
    "pin_count": 8,
    "category": "LED-drv",
    "subcategory": "LED Drivers",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/b4a3b0030d16b007bed552806830ddc3.pdf",
    "parts": {
      "symbol": "tx6301.kicad_sym",
      "footprint": "tx6301.kicad_mod",
      "model_3d": "tx6301-etched.glb",
      "model_3d_plain": "tx6301.glb",
      "model_3d_step": "tx6301-etched.step",
      "model_3d_step_plain": "tx6301.step",
      "lbr": "tx6301.lbr"
    },
    "distributor_links": {
      "lcsc": "C329279"
    },
    "pins": [
      {
        "number": "1",
        "name": "TOFF",
        "type": "passive",
        "description": "Switching-frequency setting pin. An external capacitor connected to this pin sets the switching (off-time) frequency; recommended operating frequency is below 500 kHz."
      },
      {
        "number": "2",
        "name": "VDD",
        "type": "power_in",
        "description": "Chip supply rail, internally clamped by a shunt regulator to typically 5.5 V. Fed from VIN through an external series resistor (RVDD); the internal Zener clamp current must be kept below 10 mA. UVLO turn-on at 3.2 V rising, turn-off at 2.7 V falling."
      },
      {
        "number": "3",
        "name": "GND",
        "type": "power_in",
        "description": "Device ground reference for all internal circuitry and the sensing amplifiers."
      },
      {
        "number": "4",
        "name": "EN",
        "type": "input",
        "description": "Chip enable; active-high. Logic high (>= 0.4 x VDD) enables the controller, logic low (<= 0.8 V) puts the part into standby (I_INQ ~200 uA). May be driven with a PWM signal for LED dimming."
      },
      {
        "number": "5",
        "name": "COMP",
        "type": "passive",
        "description": "Loop / frequency compensation node for the internal error amplifier. Connect an external capacitor (typically 200 pF to 1 nF) to GND; larger values reduce loop bandwidth."
      },
      {
        "number": "6",
        "name": "CS",
        "type": "input",
        "description": "Output LED current sense input. The regulation loop holds this pin at a nominal 250 mV (240-260 mV) across the sense resistor RCS, so ILED = 0.25 V / RCS."
      },
      {
        "number": "7",
        "name": "DRV",
        "type": "output",
        "description": "Gate-drive output for the external power MOSFET. Nominal drive swing tracks VDD (~5.5 V); rise/fall times ~50 ns into 1 nF. Choose a MOSFET whose RDS(on) is fully enhanced at VGS = 5.5 V."
      },
      {
        "number": "8",
        "name": "ILIM",
        "type": "input",
        "description": "Power-MOSFET peak-current limit sense input. Sets the cycle-by-cycle inductor peak-current limit via an external sense resistor RILIM, where ILIMIT = 0.25 V / RILIM."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/b4a3b0030d16b007bed552806830ddc3.pdf",
        "pages": 8,
        "sha256": "aade119490c082a5",
        "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_3.9x4.9mm_P1.27mm@sha256:074ecb2092b24fa4",
      "mark": "drawn"
    },
    "models_3d": [
      {
        "file": "tx6301.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": "tx6301-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": "3718007e3e94d0db2a78b5baa75389a21186c1676bbc0c71171ac418eae8517f",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "XDS",
      "Package": "SOIC-8",
      "Category": "LED-drv",
      "Pins": "8"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "tx6301"
  ],
  "discovery_pitch": "TX6301 (XDS) 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",
    "tx6301.kicad_sym",
    "tx6301.kicad_mod",
    "tx6301.glb",
    "tx6301.step",
    "tx6301-etched.step",
    "tx6301.lbr",
    "docs/hero.png",
    "docs/tx6301-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "updated_at": "2026-09-25T13:20:05.592Z"
}