LM3481QMMX

{
  "slug": "lm3481qmmx",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments DC-DC Converters, VSSOP-10-0.5mm. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "lm3481qmmx",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
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    "README.md",
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    "lm3481qmmx.glb",
    "lm3481qmmx.step",
    "lm3481qmmx.lbr",
    "docs/hero.png",
    "docs/lm3481qmmx-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "lm3481qmmx-hero.glb",
    "lm3481qmmx-hero.overlay.json",
    "lm3481qmmx-etched.glb"
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  "component": {
    "mpn": "LM3481QMMX",
    "manufacturer": "Texas Instruments",
    "package": "VSSOP-10-0.5mm",
    "pin_count": 10,
    "category": "Power Management (PMIC)",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://www.ti.com/cn/lit/gpn/lm3481-q1",
    "parts": {
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      "footprint": "lm3481qmmx.kicad_mod",
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      "model_3d_step": "lm3481qmmx-etched.step",
      "model_3d_step_plain": "lm3481qmmx.step",
      "lbr": "lm3481qmmx.lbr"
    },
    "distributor_links": {
      "lcsc": "C477975"
    },
    "distributor_check": {
      "checked_at": "2026-11-05T20:40:29Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "ISEN",
        "type": "input",
        "description": "Current-sense input pin; the voltage developed across the external sense resistor is fed to this pin."
      },
      {
        "number": "2",
        "name": "UVLO",
        "type": "input",
        "description": "Undervoltage lockout pin; a resistor divider from VIN to ground sets the input voltage at which switching is enabled and the disable hysteresis, compared against the 1.43V internal reference."
      },
      {
        "number": "3",
        "name": "COMP",
        "type": "passive",
        "description": "Compensation pin; a resistor and capacitor network connected to this pin provides compensation for the control loop."
      },
      {
        "number": "4",
        "name": "FB",
        "type": "input",
        "description": "Feedback pin connected to the inverting input of the error amplifier; regulated at 1.275V typical with the output divider."
      },
      {
        "number": "5",
        "name": "AGND",
        "type": "power_in",
        "description": "Analog ground for the internal bias circuit reference; must be connected at a single point to PGND."
      },
      {
        "number": "6",
        "name": "FA/SYNC/SD",
        "type": "input",
        "description": "Frequency adjust, synchronization and shutdown pin; a resistor to ground sets the oscillator frequency, an external clock synchronizes it, and a high level held above 30µs shuts down the device."
      },
      {
        "number": "7",
        "name": "PGND",
        "type": "power_in",
        "description": "Power ground for the external power circuit reference; must be connected at a single point to AGND."
      },
      {
        "number": "8",
        "name": "DR",
        "type": "output",
        "description": "Gate driver output; the gate of the external MOSFET connects to this pin, with drive voltage up to 6V limited by the input voltage below 6V."
      },
      {
        "number": "9",
        "name": "VCC",
        "type": "power_out",
        "description": "Driver supply voltage pin; a bypass capacitor of 0.47µF to 4.7µF must connect from this pin to PGND and external biasing must be avoided."
      },
      {
        "number": "10",
        "name": "VIN",
        "type": "power_in",
        "description": "Power supply input pin; operating supply range is 2.97V to 48V with an absolute maximum of 50V."
      }
    ],
    "provenance": {
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      "factory_chain": {
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        "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": [],
        "pages_sent": 31,
        "cost_usd": 0.0323,
        "at": "2026-11-05T20:40:21"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/lm3481-q1",
        "pages": 40,
        "sha256": "4201766373ec1862",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 10,
        "described": 10,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
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      "footprint": "viewers/footprint.html"
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        "checked": "2026-11-05",
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  }
}