LM4950TS

{
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  "type": "component",
  "slug": "lm4950ts",
  "title": "LM4950TS",
  "brief": "Texas Instruments Audio Amplifiers, TO-263-9. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
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  "component": {
    "mpn": "LM4950TS",
    "manufacturer": "Texas Instruments",
    "package": "TO-263-9",
    "pin_count": 9,
    "category": "Amplifiers/Comparators",
    "subcategory": "Audio Amplifiers",
    "datasheet": "https://www.ti.com/cn/lit/gpn/lm4950",
    "parts": {
      "symbol": "lm4950ts.kicad_sym",
      "footprint": "lm4950ts.kicad_mod",
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      "model_3d_plain": "lm4950ts.glb",
      "model_3d_step": "lm4950ts-etched.step",
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      "lbr": "lm4950ts.lbr"
    },
    "distributor_links": {
      "lcsc": 2877268,
      "digikey": "296-49736-ND",
      "mouser": "926-LM4950TS"
    },
    "distributor_check": {
      "checked_at": "2026-10-03T05:29:49Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-49736-ND",
        "status": "found",
        "lifecycle": "Obsolete"
      },
      "mouser": {
        "pn": "926-LM4950TS",
        "status": "found",
        "lifecycle": "End of Life"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VINA",
        "type": "input",
        "description": "Channel A audio input; input voltage range is -0.3V to 9.5V."
      },
      {
        "number": "2",
        "name": "SHUTDOWN",
        "type": "input",
        "description": "Active-low shutdown input; high threshold is 2.0V min, low threshold is 0.4V max, input range -0.3V to 9.5V."
      },
      {
        "number": "3",
        "name": "VOUTA",
        "type": "output",
        "description": "Channel A amplifier output; voltage range is -0.3V to VDD + 0.3V."
      },
      {
        "number": "4",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for all voltages; supply voltage is referenced to pins 4 and 5."
      },
      {
        "number": "5",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for all voltages; supply voltage is referenced to pins 4 and 5."
      },
      {
        "number": "6",
        "name": "VDD",
        "type": "power_in",
        "description": "Positive supply; operating range 9.6V to 16V, absolute maximum 18.0V referenced to GND."
      },
      {
        "number": "7",
        "name": "VOUTB",
        "type": "output",
        "description": "Channel B amplifier output; voltage range is -0.3V to VDD + 0.3V."
      },
      {
        "number": "8",
        "name": "BYPASS",
        "type": "passive",
        "description": "Bypass pin for the half-supply reference, with an external capacitor (CB = 10µF used for the 440ms wake-up time); input range -0.3V to 9.5V."
      },
      {
        "number": "9",
        "name": "VINB",
        "type": "input",
        "description": "Channel B audio input; input voltage range is -0.3V to 9.5V."
      }
    ],
    "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 8 (BYPASS) designated with signal-level voltage limits (0–9.5V) despite bypass nomenclature sugg"
        ],
        "pages_sent": 7,
        "cost_usd": 0.1173,
        "at": "2026-10-03T05:29:27"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/lm4950",
        "pages": 32,
        "sha256": "bbf077f112cc51c1",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 9,
        "described": 9,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
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  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "TO-263-9",
      "Category": "Amplifiers/Comparators",
      "Pins": "9"
    }
  },
  "variants": [],
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  "discovery_triggers": [
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  "discovery_pitch": "LM4950TS (Texas Instruments) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
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    "path": "docs/hero.png"
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}