LM4951ASD

{
  "slug": "lm4951asd",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Audio Amplifiers, WSON-10-EP(4x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "amplifiers-comparators",
    "lm4951asd",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "lm4951asd.kicad_sym",
    "lm4951asd.kicad_mod",
    "lm4951asd.glb",
    "lm4951asd.step",
    "lm4951asd.lbr",
    "docs/hero.png",
    "docs/lm4951asd-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "lm4951asd-hero.glb",
    "lm4951asd-hero.overlay.json"
  ],
  "component": {
    "mpn": "LM4951ASD",
    "manufacturer": "Texas Instruments",
    "package": "WSON-10-EP(4x4)",
    "pin_count": 11,
    "category": "Amplifiers/Comparators",
    "subcategory": "Audio Amplifiers",
    "datasheet": "https://www.ti.com/cn/lit/gpn/lm4951a",
    "parts": {
      "symbol": "lm4951asd.kicad_sym",
      "footprint": "lm4951asd.kicad_mod",
      "model_3d": "lm4951asd-hero.glb",
      "model_3d_plain": "lm4951asd.glb",
      "model_3d_step": "lm4951asd-etched.step",
      "model_3d_step_plain": "lm4951asd.step",
      "lbr": "lm4951asd.lbr"
    },
    "distributor_links": {
      "lcsc": 181489,
      "mouser": "926-LM4951ASD"
    },
    "distributor_check": {
      "checked_at": "2026-10-03T01:18:45Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": "926-LM4951ASD",
        "status": "found",
        "lifecycle": "Obsolete"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "Bypass",
        "type": "output",
        "description": "Half-supply reference voltage bypass output for power supply bypassing."
      },
      {
        "number": "2",
        "name": "Shutdown",
        "type": "input",
        "description": "Active-low shutdown control signal; pulling low enters shutdown mode."
      },
      {
        "number": "3",
        "name": "CCHG",
        "type": "output",
        "description": "Capacitor charge output to decrease turn-on time."
      },
      {
        "number": "4",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection to die; pin can be connected to any potential."
      },
      {
        "number": "5",
        "name": "VIN",
        "type": "power_in",
        "description": "Single-ended signal input pin."
      },
      {
        "number": "6",
        "name": "VO-",
        "type": "output",
        "description": "Inverting output of amplifier."
      },
      {
        "number": "7",
        "name": "GND",
        "type": "power_in",
        "description": "Ground connection."
      },
      {
        "number": "8",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection to die; pin can be connected to any potential."
      },
      {
        "number": "9",
        "name": "VDD",
        "type": "power_in",
        "description": "Power supply input."
      },
      {
        "number": "10",
        "name": "VO+",
        "type": "output",
        "description": "Non-inverting output of amplifier."
      },
      {
        "number": "11",
        "name": "Exposed DAP",
        "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": [
          "exposed pad 11 added from the footprint"
        ],
        "pages_sent": 7,
        "cost_usd": 0.0763,
        "at": "2026-10-03T01:18:18"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/lm4951a",
        "pages": 24,
        "sha256": "1a64bbe96db129c1",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 11,
        "described": 11,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    }
  }
}