main
Ray Publish 0.1.0 25592ea 24d ago
{
  "slug": "gm7401brz-3-3-r7",
  "version": "0.1.0",
  "type": "component",
  "description": "GONGMOSEMI Voltage Reference, SO-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "gm7401brz-3.3-r7",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "gm7401brz-3-3-r7.kicad_sym",
    "gm7401brz-3-3-r7.kicad_mod",
    "gm7401brz-3-3-r7.glb",
    "gm7401brz-3-3-r7.step",
    "gm7401brz-3-3-r7.lbr",
    "docs/hero.png",
    "docs/gm7401brz-3-3-r7-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "gm7401brz-3-3-r7-hero.glb",
    "gm7401brz-3-3-r7-hero.overlay.json",
    "gm7401brz-3-3-r7-etched.glb"
  ],
  "component": {
    "mpn": "GM7401BRZ-3.3-R7",
    "manufacturer": "GONGMOSEMI",
    "package": "SO-8",
    "pin_count": 8,
    "category": "Power Management (PMIC)",
    "subcategory": "Voltage Reference",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/4873dffff50ec47eb4d746121ff8e1fd.pdf",
    "parts": {
      "symbol": "gm7401brz-3-3-r7.kicad_sym",
      "footprint": "gm7401brz-3-3-r7.kicad_mod",
      "model_3d": "gm7401brz-3-3-r7-hero.glb",
      "model_3d_plain": "gm7401brz-3-3-r7-etched.glb",
      "model_3d_step": "gm7401brz-3-3-r7-etched.step",
      "model_3d_step_plain": "gm7401brz-3-3-r7.step",
      "lbr": "gm7401brz-3-3-r7.lbr"
    },
    "distributor_links": {
      "lcsc": "C41433523"
    },
    "distributor_check": {
      "checked_at": "2026-10-17T21:55:13Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection; leave floating in the application."
      },
      {
        "number": "2",
        "name": "VIN",
        "type": "power_in",
        "description": "Power supply input with a stated range of 3.5 V to 40 V and an absolute maximum input voltage of +45 V."
      },
      {
        "number": "3",
        "name": "TEMP",
        "type": "output",
        "description": "Temperature monitor pin that outputs an unbuffered PTAT voltage (657 mV typical) with a temperature sensitivity of 2.2 mV/°C."
      },
      {
        "number": "4",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference pin for the device."
      },
      {
        "number": "5",
        "name": "TRIM",
        "type": "passive",
        "description": "Output voltage trim pin that adjusts VOUT up or down, with an adjustment range of ±3% typical and ±6% maximum at POT = 10 kΩ."
      },
      {
        "number": "6",
        "name": "VOUT",
        "type": "power_out",
        "description": "Reference voltage output (3.3 V for this variant) with ±10 mA output drive capability and built-in output short-circuit current protection."
      },
      {
        "number": "7",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection; leave floating in the application."
      },
      {
        "number": "8",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection; leave floating in the application."
      }
    ],
    "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 MPN GM7401BRZ-3.3-R7 has the 'RZ' suffix, and the ordering guide (page 14) lists it as an 8-pin ; The datasheet does not state the ERC pin type for each pin. Types were assigned from the functional ; The Table 2 descriptions for pins 1, 7 and 8 say to leave them floating in practice. The MSOP table "
        ],
        "pages_sent": 14,
        "cost_usd": 0.0522,
        "at": "2026-10-17T21:53:32"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/4873dffff50ec47eb4d746121ff8e1fd.pdf",
        "pages": 14,
        "sha256": "9d56523ce2216a57",
        "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": [
      {
        "file": "gm7401brz-3-3-r7.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          4.9,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "gm7401brz-3-3-r7-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          4.9,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "9a21dd3dc6d330a6969e01eb06d06fa4d64457b12183cdcef6e0da2ddf0e2e4f",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}