BL6281GMM

{
  "slug": "bl6281gmm",
  "version": "0.1.0",
  "type": "component",
  "description": "BL Shanghai Belling Audio Amplifiers, MSOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "amplifiers-comparators",
    "bl6281gmm",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "bl6281gmm.kicad_sym",
    "bl6281gmm.kicad_mod",
    "bl6281gmm.glb",
    "bl6281gmm.step",
    "bl6281gmm.lbr",
    "docs/hero.png",
    "docs/bl6281gmm-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "bl6281gmm-hero.glb",
    "bl6281gmm-hero.overlay.json",
    "bl6281gmm-etched.glb"
  ],
  "component": {
    "mpn": "BL6281GMM",
    "manufacturer": "BL Shanghai Belling",
    "package": "MSOP-8",
    "pin_count": 8,
    "category": "Amplifiers/Comparators",
    "subcategory": "Audio Amplifiers",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590903501092974592",
    "parts": {
      "symbol": "bl6281gmm.kicad_sym",
      "footprint": "bl6281gmm.kicad_mod",
      "model_3d": "bl6281gmm-hero.glb",
      "model_3d_plain": "bl6281gmm-etched.glb",
      "model_3d_step": "bl6281gmm-etched.step",
      "model_3d_step_plain": "bl6281gmm.step",
      "lbr": "bl6281gmm.lbr"
    },
    "distributor_links": {
      "lcsc": "C7435603"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T15:53:56Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "SHD",
        "type": "input",
        "description": "Shut-down logic control where '0' is active; the shutdown input high threshold is 1.3 V and the input low threshold is 0.8 V at VDD = 5 V."
      },
      {
        "number": "2",
        "name": "BP",
        "type": "passive",
        "description": "Analog ground for the inner OPAs held at about half of VDD, which needs a 1 µF bypass capacitor (Cb) for half-supply filtering."
      },
      {
        "number": "3",
        "name": "INP",
        "type": "input",
        "description": "Positive (non-inverting) amplifier input; input voltage must stay between -0.3 V and VDD + 0.3 V per the absolute maximum ratings."
      },
      {
        "number": "4",
        "name": "INN",
        "type": "input",
        "description": "Negative (inverting) amplifier input whose series resistor Ri, together with feedback resistor Rf, sets the closed-loop gain AVD = 2*(Rf/Ri)."
      },
      {
        "number": "5",
        "name": "Vout1",
        "type": "output",
        "description": "Negative BTL speaker output, which together with Vout2 drives the load."
      },
      {
        "number": "6",
        "name": "VDD",
        "type": "power_in",
        "description": "Power supply input, operating range 2.2 V to 5.5 V, with an absolute maximum of 6 V."
      },
      {
        "number": "7",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for the device."
      },
      {
        "number": "8",
        "name": "Vout2",
        "type": "output",
        "description": "Positive BTL speaker output, which together with Vout1 drives the load."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "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": [
          "extractor flagged: The datasheet gives a single pin table (types listed as I/O) that is not split by package; the MSOP8; BP is listed as 'I/O' in the datasheet; it was mapped to KiCad 'passive' because it is an internal a; The datasheet's pin descriptions for SHD, INN and VDD carry no separate limits beyond those listed i"
        ],
        "pages_sent": 8,
        "cost_usd": 0.0343,
        "at": "2026-10-18T15:51:49"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590903501092974592",
        "pages": 8,
        "sha256": "a3cbb07ba7d63f5a",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 8,
        "described": 8,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
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        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4.9,
          3.0,
          0.95
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "847c4c5023fe1603fbd36900a5dcc4bd3901ba473f71d42c9a469f0236eaadf3",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "bl6281gmm-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "0371530293fedc072b783f9f55e6ba24ed7a6752917ae7c38575f99bda6183e6",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}