LM2931AD-5.0G

{
  "slug": "lm2931ad-5-0g",
  "version": "0.1.0",
  "type": "component",
  "description": "onsemi Linear Voltage Regulators (LDO), SOIC-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management ics",
    "lm2931ad-5.0g",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "lm2931ad-5-0g.kicad_sym",
    "lm2931ad-5-0g.kicad_mod",
    "lm2931ad-5-0g.glb",
    "lm2931ad-5-0g.step",
    "lm2931ad-5-0g.lbr",
    "docs/hero.png",
    "docs/lm2931ad-5-0g-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "lm2931ad-5-0g-hero.glb",
    "lm2931ad-5-0g-hero.overlay.json",
    "lm2931ad-5-0g-etched.glb"
  ],
  "component": {
    "mpn": "LM2931AD-5.0G",
    "manufacturer": "onsemi",
    "package": "SOIC-8",
    "pin_count": 8,
    "category": "Power Management ICs",
    "subcategory": "Linear Voltage Regulators (LDO)",
    "datasheet": "https://www.onsemi.com/pdf/datasheet/lm2931ad-5.0-d.pdf",
    "parts": {
      "symbol": "lm2931ad-5-0g.kicad_sym",
      "footprint": "lm2931ad-5-0g.kicad_mod",
      "model_3d": "lm2931ad-5-0g-hero.glb",
      "model_3d_plain": "lm2931ad-5-0g-etched.glb",
      "model_3d_step": "lm2931ad-5-0g-etched.step",
      "model_3d_step_plain": "lm2931ad-5-0g.step",
      "lbr": "lm2931ad-5-0g.lbr"
    },
    "distributor_links": {
      "lcsc": "C135506",
      "digikey": "LM2931AD-5.0GOS-ND",
      "mouser": "863-LM2931AD-5.0G"
    },
    "distributor_check": {
      "checked_at": "2026-10-23T12:07:22Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "LM2931AD-5.0GOS-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "863-LM2931AD-5.0G",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "Output",
        "type": "power_out",
        "description": "Regulated 5.0 V output supplying more than 100 mA, requiring an external output capacitor for stability (|ZO| must not exceed 0.4 Ω)."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin, internally common with the other GND pins (pins 3, 6, 7)."
      },
      {
        "number": "3",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin, internally common with the other GND pins (pins 2, 6, 7)."
      },
      {
        "number": "4",
        "name": "N.C.",
        "type": "unconnected",
        "description": "No internal connection on the fixed-output SOIC-8 device."
      },
      {
        "number": "5",
        "name": "N.C.",
        "type": "unconnected",
        "description": "No internal connection on the fixed-output SOIC-8 device."
      },
      {
        "number": "6",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin, internally common with the other GND pins (pins 2, 3, 7)."
      },
      {
        "number": "7",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin, internally common with the other GND pins (pins 2, 3, 6)."
      },
      {
        "number": "8",
        "name": "Input",
        "type": "power_in",
        "description": "Supply input rated 40 Vdc continuous, 60 Vpk transient (load dump, ≤100 ms) and −50 Vpk reverse transient."
      }
    ],
    "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 assignment was read from the top-view FIXED SOIC-8 drawing on page 2 (pin 1 Output, 4 N.C. on th",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 27,
        "cost_usd": 0.6162,
        "at": "2026-10-23T12:07:08"
      },
      "datasheet": {
        "url": "https://www.onsemi.com/pdf/datasheet/lm2931ad-5.0-d.pdf",
        "pages": 27,
        "sha256": "b141936e66454b38",
        "source_tier": "mfr"
      },
      "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": "lm2931ad-5-0g.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": "2026-10-23",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "lm2931ad-5-0g-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": "3b37831a96e953773e7c34de7c5c370931278042889784c3938680a25baf8063",
        "checked": "2026-10-23",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}