LM26480SQ-AA

{
  "schema_version": 1,
  "type": "component",
  "slug": "lm26480sq-aa",
  "title": "LM26480SQ-AA",
  "brief": "Texas Instruments DC-DC Converters, WQFN-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",
    "power management (pmic)",
    "lm26480sq-aa",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "LM26480SQ-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",
    "parts": {
      "symbol": "lm26480sq-aa.kicad_sym",
      "footprint": "lm26480sq-aa.kicad_mod",
      "model_3d": "lm26480sq-aa-etched.glb",
      "model_3d_plain": "lm26480sq-aa.glb",
      "model_3d_step": "lm26480sq-aa-etched.step",
      "model_3d_step_plain": "lm26480sq-aa.step",
      "lbr": "lm26480sq-aa.lbr"
    },
    "distributor_links": {
      "lcsc": "C131997"
    },
    "distributor_check": {
      "checked_at": "2026-10-01T16:01:04Z",
      "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 supply for internal functions (VREF, BIAS, I2C, Logic)"
      },
      {
        "number": "2",
        "name": "SYNC",
        "type": "input",
        "description": "Frequency synchronization pin allowing external clock signal to synchronize PMIC internal oscillator; must be grounded when not used"
      },
      {
        "number": "3",
        "name": "nPOR",
        "type": "output",
        "description": "Power on reset pin for Buck1 and Buck2 with open drain logic output and 100-kΩ pullup resistor; pulled to ground when supply voltages not good"
      },
      {
        "number": "4",
        "name": "GND_SW1",
        "type": "power_in",
        "description": "Buck1 NMOS power ground"
      },
      {
        "number": "5",
        "name": "SW1",
        "type": "power_out",
        "description": "Buck1 switcher output pin"
      },
      {
        "number": "6",
        "name": "VIN1",
        "type": "power_in",
        "description": "Power input for Buck1 from either DC source or battery"
      },
      {
        "number": "7",
        "name": "ENSW1",
        "type": "input",
        "description": "Enable pin for Buck1 switcher; logic HIGH enables Buck1; pin cannot be left floating"
      },
      {
        "number": "8",
        "name": "FB1",
        "type": "input",
        "description": "Buck1 feedback input 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 supply for Buck converters"
      },
      {
        "number": "11",
        "name": "FB2",
        "type": "input",
        "description": "Buck2 feedback input terminal"
      },
      {
        "number": "12",
        "name": "ENSW2",
        "type": "input",
        "description": "Enable pin for Buck2 switcher; logic HIGH enables Buck2; pin cannot be left floating"
      },
      {
        "number": "13",
        "name": "VIN2",
        "type": "power_in",
        "description": "Power input for Buck2 from either DC source or battery"
      },
      {
        "number": "14",
        "name": "SW2",
        "type": "power_out",
        "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": "Enable pin for LDO2; logic HIGH enables LDO2; pin cannot be left floating"
      },
      {
        "number": "17",
        "name": "ENLDO1",
        "type": "input",
        "description": "Enable pin for LDO1; logic HIGH enables LDO1; 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 for LDO1 from either DC source or battery"
      },
      {
        "number": "20",
        "name": "LDO1",
        "type": "power_out",
        "description": "LDO1 output voltage"
      },
      {
        "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 output voltage"
      },
      {
        "number": "24",
        "name": "VINLDO2",
        "type": "power_in",
        "description": "Power input for LDO2 from either DC source or battery"
      },
      {
        "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": [
          "extractor flagged: Pin 3 designation: pin table shows 'NPOR' but description and standard active-low notation uses 'nPO; Pin 23 description: datasheet states 'LDO output' which is ambiguous between LDO1 and LDO2; context ",
          "exposed pad 25 added from the footprint",
          "dropped thermal pad ['EP'] absent from footprint"
        ],
        "pages_sent": 9,
        "cost_usd": 0.1574,
        "at": "2026-10-01T16:00:49"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/lm26480",
        "pages": 44,
        "sha256": "9fa8e8bf5131003e",
        "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"
    }
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "WQFN-24-EP(4x4)",
      "Category": "Power Management (PMIC)",
      "Pins": "25"
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "lm26480sq-aa"
  ],
  "discovery_pitch": "LM26480SQ-AA (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",
    "lm26480sq-aa.kicad_sym",
    "lm26480sq-aa.kicad_mod",
    "lm26480sq-aa.glb",
    "lm26480sq-aa.step",
    "lm26480sq-aa.lbr",
    "docs/hero.png",
    "docs/lm26480sq-aa-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  }
}