LHR3050BFAA

{
  "slug": "lhr3050bfaa",
  "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)",
    "lhr3050bfaa",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "lhr3050bfaa.kicad_sym",
    "lhr3050bfaa.kicad_mod",
    "lhr3050bfaa.glb",
    "lhr3050bfaa.step",
    "lhr3050bfaa.lbr",
    "docs/hero.png",
    "docs/lhr3050bfaa-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "lhr3050bfaa-hero.glb",
    "lhr3050bfaa-hero.overlay.json",
    "lhr3050bfaa-etched.glb"
  ],
  "component": {
    "mpn": "LHR3050BFAA",
    "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": "lhr3050bfaa.kicad_sym",
      "footprint": "lhr3050bfaa.kicad_mod",
      "model_3d": "lhr3050bfaa-hero.glb",
      "model_3d_plain": "lhr3050bfaa-etched.glb",
      "model_3d_step": "lhr3050bfaa-etched.step",
      "model_3d_step_plain": "lhr3050bfaa.step",
      "lbr": "lhr3050bfaa.lbr"
    },
    "distributor_links": {
      "lcsc": "C18213071"
    },
    "distributor_check": {
      "checked_at": "2026-10-24T00:13:37Z",
      "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, from VOUT + 0.2V up to 18V (minimum 2.7V for all parts except LHR3020 per notes); bypass with 1µF to 10µF capacitor."
      },
      {
        "number": "3",
        "name": "TEMP",
        "type": "output",
        "description": "Temperature monitoring pin providing a temperature-dependent output voltage of 668mV at 25°C with 1.91mV/°C sensitivity; high output impedance."
      },
      {
        "number": "4",
        "name": "GND",
        "type": "power_in",
        "description": "Ground."
      },
      {
        "number": "5",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection; do not connect."
      },
      {
        "number": "6",
        "name": "VOUT",
        "type": "output",
        "description": "Reference voltage output (5V for LHR3050), sources/sinks ±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: MPN LHR3050BFAA maps to SOP 8 per ordering table (page 14); SOP8L and MSOP8L share the same pinout f"
        ],
        "pages_sent": 14,
        "cost_usd": 0.0864,
        "at": "2026-10-24T00:13:19"
      },
      "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": "lhr3050bfaa.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": "2026-10-24",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "lhr3050bfaa-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": "95d6885ace5e1193762c0f9264e9a3bb868346ab81c9ad8363ef3c586d98fe07",
        "checked": "2026-10-24",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}