CMSA3811A

{
  "slug": "cmsa3811a",
  "version": "0.1.0",
  "type": "component",
  "description": "Cmos(广东场效应半导体) , DFN-8(5x6). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "ic",
    "cmsa3811a",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "cmsa3811a.kicad_sym",
    "cmsa3811a.kicad_mod",
    "cmsa3811a.glb",
    "cmsa3811a.step",
    "cmsa3811a.lbr",
    "docs/hero.png",
    "docs/cmsa3811a-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "cmsa3811a-hero.glb",
    "cmsa3811a-hero.overlay.json",
    "cmsa3811a-etched.glb"
  ],
  "component": {
    "mpn": "CMSA3811A",
    "manufacturer": "Cmos(广东场效应半导体)",
    "package": "DFN-8(5x6)",
    "pin_count": 9,
    "category": "IC",
    "subcategory": "IC",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603322200376295424",
    "parts": {
      "symbol": "cmsa3811a.kicad_sym",
      "footprint": "cmsa3811a.kicad_mod",
      "model_3d": "cmsa3811a-hero.glb",
      "model_3d_plain": "cmsa3811a-etched.glb",
      "model_3d_step": "cmsa3811a-etched.step",
      "model_3d_step_plain": "cmsa3811a.step",
      "lbr": "cmsa3811a.lbr"
    },
    "distributor_links": {
      "lcsc": "C22391073"
    },
    "distributor_check": {
      "checked_at": "2026-10-20T21:09:41Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "S1",
        "type": "passive",
        "description": "Source of the N-channel MOSFET (30V, 16A), at the pin 1 corner."
      },
      {
        "number": "2",
        "name": "G1",
        "type": "input",
        "description": "Gate of the N-channel MOSFET, with VGS rated ±20V."
      },
      {
        "number": "3",
        "name": "S2",
        "type": "passive",
        "description": "Source of the P-channel MOSFET (-30V, -15A)."
      },
      {
        "number": "4",
        "name": "G2",
        "type": "input",
        "description": "Gate of the P-channel MOSFET, with VGS rated ±20V."
      },
      {
        "number": "5",
        "name": "D2",
        "type": "passive",
        "description": "Drain of the P-channel MOSFET, with VDS rated -30V; tied to pin 6."
      },
      {
        "number": "6",
        "name": "D2",
        "type": "passive",
        "description": "Drain of the P-channel MOSFET, with VDS rated -30V; tied to pin 5."
      },
      {
        "number": "7",
        "name": "D1",
        "type": "passive",
        "description": "Drain of the N-channel MOSFET, with VDS rated 30V; tied to pin 8."
      },
      {
        "number": "8",
        "name": "D1",
        "type": "passive",
        "description": "Drain of the N-channel MOSFET, with VDS rated 30V; tied to pin 7."
      },
      {
        "number": "9",
        "name": "EP",
        "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-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: The datasheet shows pin names only on a 3D package picture with a Pin 1 arrow at S1, and it prints n",
          "exposed pad 9 added from the footprint",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 5,
        "cost_usd": 0.1101,
        "at": "2026-10-20T21:07:11"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603322200376295424",
        "pages": 5,
        "sha256": "fb1d6ef708a43f26",
        "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"
    },
    "models_3d": [
      {
        "file": "cmsa3811a.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          4.98,
          0.92
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "13e5a2a05f78c2a0952534b2fb187d0be154d366a431374e398c7e2032779f1b",
        "checked": "2026-10-20",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "cmsa3811a-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          4.98,
          0.92
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "c5235f1ba0ff54c83d4cb6ec7b92c8e75c40f56835cd6888d9f6e527c19090e0",
        "checked": "2026-10-20",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}