main
Ray Publish 0.1.0 94bc11f 1d ago
{
  "slug": "lm26480qsq-aa",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments DC-DC Converters, WQFN-24-EP(4x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "lm26480qsq-aa",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "lm26480qsq-aa.kicad_sym",
    "lm26480qsq-aa.kicad_mod",
    "lm26480qsq-aa.glb",
    "lm26480qsq-aa.step",
    "lm26480qsq-aa.lbr",
    "docs/hero.png",
    "docs/lm26480qsq-aa-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "lm26480qsq-aa-hero.glb",
    "lm26480qsq-aa-hero.overlay.json"
  ],
  "component": {
    "mpn": "LM26480QSQ-AA",
    "manufacturer": "Texas Instruments",
    "package": "WQFN-24-EP(4x4)",
    "pin_count": 25,
    "category": "Power Management (PMIC)",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://www.ti.com/cn/lit/gpn/lm26480-q1",
    "parts": {
      "symbol": "lm26480qsq-aa.kicad_sym",
      "footprint": "lm26480qsq-aa.kicad_mod",
      "model_3d": "lm26480qsq-aa-hero.glb",
      "model_3d_plain": "lm26480qsq-aa.glb",
      "model_3d_step": "lm26480qsq-aa-etched.step",
      "model_3d_step_plain": "lm26480qsq-aa.step",
      "lbr": "lm26480qsq-aa.lbr"
    },
    "distributor_links": {
      "lcsc": "C2650264"
    },
    "distributor_check": {
      "checked_at": "2026-10-08T02:09:21Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VINLDO12",
        "type": "power_in",
        "description": "Analog power input for internal functions (VREF, BIAS, I2C, logic), always powered."
      },
      {
        "number": "2",
        "name": "SYNC",
        "type": "input",
        "description": "Frequency synchronization input that lets an external clock synchronize the internal oscillator; it defaults OFF and must be grounded when not used."
      },
      {
        "number": "3",
        "name": "NPOR",
        "type": "output",
        "description": "Open-drain power-on reset output for Buck1 and Buck2 that is pulled to ground when those supplies are not good and requires an external 100-kΩ pullup."
      },
      {
        "number": "4",
        "name": "GND_SW1",
        "type": "power_in",
        "description": "Buck1 NMOS power ground."
      },
      {
        "number": "5",
        "name": "SW1",
        "type": "output",
        "description": "Buck1 switcher output pin."
      },
      {
        "number": "6",
        "name": "VIN1",
        "type": "power_in",
        "description": "Power input from a DC source or battery to Buck1."
      },
      {
        "number": "7",
        "name": "ENSW1",
        "type": "input",
        "description": "Enable input for Buck1; a logic HIGH enables Buck1, and the pin cannot be left floating."
      },
      {
        "number": "8",
        "name": "FB1",
        "type": "input",
        "description": "Buck1 input feedback terminal."
      },
      {
        "number": "9",
        "name": "GND_C",
        "type": "power_in",
        "description": "Non-switching core ground pin."
      },
      {
        "number": "10",
        "name": "AVDD",
        "type": "power_in",
        "description": "Analog power for the buck converters, always powered."
      },
      {
        "number": "11",
        "name": "FB2",
        "type": "input",
        "description": "Buck2 input feedback terminal."
      },
      {
        "number": "12",
        "name": "ENSW2",
        "type": "input",
        "description": "Enable input for Buck2; a logic HIGH enables Buck2, and the pin cannot be left floating."
      },
      {
        "number": "13",
        "name": "VIN2",
        "type": "power_in",
        "description": "Power input from a DC source or battery to Buck2."
      },
      {
        "number": "14",
        "name": "SW2",
        "type": "output",
        "description": "Buck2 switcher output pin."
      },
      {
        "number": "15",
        "name": "GND_SW2",
        "type": "power_in",
        "description": "Buck2 NMOS power ground."
      },
      {
        "number": "16",
        "name": "ENLDO2",
        "type": "input",
        "description": "LDO2 enable input; a logic HIGH enables LDO2, and the pin cannot be left floating."
      },
      {
        "number": "17",
        "name": "ENLDO1",
        "type": "input",
        "description": "LDO1 enable input; a logic HIGH enables LDO1, and the pin cannot be left floating."
      },
      {
        "number": "18",
        "name": "GND_L",
        "type": "power_in",
        "description": "LDO ground pin."
      },
      {
        "number": "19",
        "name": "VINLDO1",
        "type": "power_in",
        "description": "Power input from a DC source or battery to LDO1; if enabled, minimum VIN is 1.74 V."
      },
      {
        "number": "20",
        "name": "LDO1",
        "type": "power_out",
        "description": "LDO1 regulated output."
      },
      {
        "number": "21",
        "name": "FBL1",
        "type": "input",
        "description": "LDO1 feedback input terminal."
      },
      {
        "number": "22",
        "name": "FBL2",
        "type": "input",
        "description": "LDO2 feedback input terminal."
      },
      {
        "number": "23",
        "name": "LDO2",
        "type": "power_out",
        "description": "LDO2 regulated output."
      },
      {
        "number": "24",
        "name": "VINLDO2",
        "type": "power_in",
        "description": "Power input from a DC source or battery to LDO2; if enabled, minimum VIN is 1.74 V."
      },
      {
        "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: The ordering table lists LM26480QSQ-AA/NOPB as a 24-pin WQFN (RTW) package, which matches the hint, ; Pin 21 is named FBL1 in the pin table, but the pin diagram text on page 1 labels the same feedback a; The pin-to-position mapping (top view drawing) is not recoverable from the extracted text, so only t",
          "exposed pad 25 added from the footprint",
          "dropped thermal pad ['EP'] absent from footprint"
        ],
        "pages_sent": 8,
        "cost_usd": 0.0697,
        "at": "2026-10-08T02:09:04"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/lm26480-q1",
        "pages": 42,
        "sha256": "54ee9b099cf1e688",
        "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": "lm26480qsq-aa.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": "f7d256794c4147daf24dcae0554fae18510315e565ad1e239b475be7fef80d8b",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "lm26480qsq-aa-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": "fa0e3ffe883dcf5b300d557cac8454945830a389f9ab8c5876eb93ca1098c1f9",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}