LHR3040BFAA

{
  "slug": "lhr3040bfaa",
  "version": "0.1.0",
  "type": "component",
  "description": "Legendsemi Voltage Reference, SOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "lhr3040bfaa",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "lhr3040bfaa.kicad_sym",
    "lhr3040bfaa.kicad_mod",
    "lhr3040bfaa.glb",
    "lhr3040bfaa.step",
    "lhr3040bfaa.lbr",
    "docs/hero.png",
    "docs/lhr3040bfaa-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "lhr3040bfaa-hero.glb",
    "lhr3040bfaa-hero.overlay.json",
    "lhr3040bfaa-etched.glb"
  ],
  "component": {
    "mpn": "LHR3040BFAA",
    "manufacturer": "Legendsemi",
    "package": "SOP-8",
    "pin_count": 8,
    "category": "Power Management (PMIC)",
    "subcategory": "Voltage Reference",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/a4a42c5dec8404d5e14b33f51c421765.pdf",
    "parts": {
      "symbol": "lhr3040bfaa.kicad_sym",
      "footprint": "lhr3040bfaa.kicad_mod",
      "model_3d": "lhr3040bfaa-hero.glb",
      "model_3d_plain": "lhr3040bfaa-etched.glb",
      "model_3d_step": "lhr3040bfaa-etched.step",
      "model_3d_step_plain": "lhr3040bfaa.step",
      "lbr": "lhr3040bfaa.lbr"
    },
    "distributor_links": {
      "lcsc": "C18213069"
    },
    "distributor_check": {
      "checked_at": "2026-10-26T18:28:23Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "DNC",
        "type": "unconnected",
        "description": "Do not connect."
      },
      {
        "number": "2",
        "name": "VIN",
        "type": "power_in",
        "description": "Supply voltage input, VOUT + 0.2V minimum (2.7V minimum for LHR3020 only) up to 18V maximum; a 1µF to 10µF bypass capacitor is recommended."
      },
      {
        "number": "3",
        "name": "TEMP",
        "type": "output",
        "description": "Temperature monitor pin giving a temperature-dependent voltage of 668mV + 1.91mV/°C x T, with high output impedance that should be buffered."
      },
      {
        "number": "4",
        "name": "GND",
        "type": "power_in",
        "description": "Ground."
      },
      {
        "number": "5",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection; listed as do not connect."
      },
      {
        "number": "6",
        "name": "VOUT",
        "type": "output",
        "description": "Reference voltage output (4.096V for LHR3040), sources/sinks up to ±10mA and requires a 1µF to 50µF output capacitor to GND."
      },
      {
        "number": "7",
        "name": "DNC",
        "type": "unconnected",
        "description": "Do not connect."
      },
      {
        "number": "8",
        "name": "DNC",
        "type": "unconnected",
        "description": "Do not connect."
      }
    ],
    "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",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: Ordering table (page 14) lists LHR3040BFAA as SOP 8 (standard grade, 4.096V, 8ppm). The pinout figur; Pin types for TEMP (output) and NC/DNC (unconnected) are inferred from the descriptions, since the d"
        ],
        "pages_sent": 14,
        "cost_usd": 0.0881,
        "at": "2026-10-26T18:28:07"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/a4a42c5dec8404d5e14b33f51c421765.pdf",
        "pages": 14,
        "sha256": "a5ef983cd4f79fdb",
        "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": "lhr3040bfaa.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": "2026-10-26",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "lhr3040bfaa-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": "5a2b646a2b87cb9796e97f633863528a33415b9bb173f6d522f594b6c6b880dd",
        "checked": "2026-10-26",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}