LM4863M

{
  "slug": "lm4863m",
  "version": "0.1.0",
  "type": "component",
  "description": "HGSEMI Audio Amplifiers, SOP-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "amplifiers-comparators",
    "lm4863m",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "lm4863m.kicad_sym",
    "lm4863m.kicad_mod",
    "lm4863m.glb",
    "lm4863m.step",
    "lm4863m.lbr",
    "docs/hero.png",
    "docs/lm4863m-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "lm4863m-hero.glb",
    "lm4863m-hero.overlay.json",
    "lm4863m-etched.glb"
  ],
  "component": {
    "mpn": "LM4863M",
    "manufacturer": "HGSEMI",
    "package": "SOP-16",
    "pin_count": 16,
    "category": "Amplifiers/Comparators",
    "subcategory": "Audio Amplifiers",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8758075125193420800",
    "parts": {
      "symbol": "lm4863m.kicad_sym",
      "footprint": "lm4863m.kicad_mod",
      "model_3d": "lm4863m-hero.glb",
      "model_3d_plain": "lm4863m-etched.glb",
      "model_3d_step": "lm4863m-etched.step",
      "model_3d_step_plain": "lm4863m.step",
      "lbr": "lm4863m.lbr"
    },
    "distributor_links": {
      "lcsc": "C253889"
    },
    "distributor_check": {
      "checked_at": "2026-10-19T00:54:29Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "SHUTDOWN",
        "type": "input",
        "description": "Active-high shutdown control; taking it to VDD puts the part in low-power shutdown (0.7µA typ), and it should be tied to GND for normal operation or never left floating."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground."
      },
      {
        "number": "3",
        "name": "+OUTA",
        "type": "output",
        "description": "Channel A non-inverting bridge output; the speaker load connects between -OUTA and +OUTA."
      },
      {
        "number": "4",
        "name": "VDD",
        "type": "power_in",
        "description": "Positive supply, 2.0V to 5.5V operating range (6.0V absolute maximum)."
      },
      {
        "number": "5",
        "name": "-OUT A",
        "type": "output",
        "description": "Channel A inverting bridge output; the speaker load connects between -OUTA and +OUTA."
      },
      {
        "number": "6",
        "name": "-IN A",
        "type": "input",
        "description": "Channel A inverting input, connected through Ri and Ci with feedback resistor Rf to set closed-loop gain."
      },
      {
        "number": "7",
        "name": "GND",
        "type": "power_in",
        "description": "Ground."
      },
      {
        "number": "8",
        "name": "+IN A",
        "type": "input",
        "description": "Channel A non-inverting input."
      },
      {
        "number": "9",
        "name": "+IN B",
        "type": "input",
        "description": "Channel B non-inverting input."
      },
      {
        "number": "10",
        "name": "BYPASS",
        "type": "passive",
        "description": "Half-supply bias node; connect a capacitor CB (1.0µF typical) to ground to filter the VDD/2 reference and improve PSRR."
      },
      {
        "number": "11",
        "name": "-IN B",
        "type": "input",
        "description": "Channel B inverting input, connected through Ri and Ci with feedback resistor Rf to set closed-loop gain."
      },
      {
        "number": "12",
        "name": "-OUT B",
        "type": "output",
        "description": "Channel B inverting bridge output; the speaker load connects between -OUTB and +OUTB."
      },
      {
        "number": "13",
        "name": "VDD",
        "type": "power_in",
        "description": "Positive supply, 2.0V to 5.5V operating range (6.0V absolute maximum)."
      },
      {
        "number": "14",
        "name": "+OUT B",
        "type": "output",
        "description": "Channel B non-inverting bridge output; the speaker load connects between -OUTB and +OUTB."
      },
      {
        "number": "15",
        "name": "GND",
        "type": "power_in",
        "description": "Ground."
      },
      {
        "number": "16",
        "name": "HP-IN",
        "type": "input",
        "description": "Headphone sense input; 4V to VDD disables Amp2A and Amp2B (single-ended headphone mode), and below 0.8V selects bridged mode."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-sonnet-5-5",
        "primary_mode": "text+vision",
        "consensus_model": "claude-opus-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: Pin 1 SHUTDOWN is described as active-high, but the text only says the low-power state is activated ; BYPASS is typed passive because it is a bias node that connects to an external capacitor. A differen",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 23,
        "cost_usd": 0.3994,
        "at": "2026-10-19T00:52:06"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8758075125193420800",
        "pages": 23,
        "sha256": "dff936bbb9e16b28",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 16,
        "described": 16,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "lm4863m.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          9.9,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "d5eeddb4c0b304dc61950919b126fc61d7586abd5f16ab71a2a79759ec6498bf",
        "checked": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "lm4863m-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          9.9,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "0b7cc0082febf53edeb31d77fd3e67e8fe2b51b5b182ec48f871b5024ce8d2c5",
        "checked": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}