LHR3025AFMA

{
  "slug": "lhr3025afma",
  "version": "0.1.0",
  "type": "component",
  "description": "Legendsemi(领慧立芯) Voltage Reference, MSOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "lhr3025afma",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "lhr3025afma.kicad_sym",
    "lhr3025afma.kicad_mod",
    "lhr3025afma.glb",
    "lhr3025afma.step",
    "lhr3025afma.lbr",
    "docs/hero.png",
    "docs/lhr3025afma-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "lhr3025afma-hero.glb",
    "lhr3025afma-hero.overlay.json",
    "lhr3025afma-etched.glb"
  ],
  "component": {
    "mpn": "LHR3025AFMA",
    "manufacturer": "Legendsemi(领慧立芯)",
    "package": "MSOP-8",
    "pin_count": 8,
    "category": "Power Management (PMIC)",
    "subcategory": "Voltage Reference",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8608766048393457664",
    "parts": {
      "symbol": "lhr3025afma.kicad_sym",
      "footprint": "lhr3025afma.kicad_mod",
      "model_3d": "lhr3025afma-hero.glb",
      "model_3d_plain": "lhr3025afma-etched.glb",
      "model_3d_step": "lhr3025afma-etched.step",
      "model_3d_step_plain": "lhr3025afma.step",
      "lbr": "lhr3025afma.lbr"
    },
    "distributor_links": {
      "lcsc": "C18716427"
    },
    "distributor_check": {
      "checked_at": "2026-10-19T06:02:38Z",
      "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; the datasheet states this pin must be left unconnected (DNC = DO NOT CONNECT)."
      },
      {
        "number": "2",
        "name": "VIN",
        "type": "power_in",
        "description": "Supply voltage input, which must be at least VOUT + 0.2 V and at most 18 V (absolute maximum input is -0.2 V to 18 V), with a 2.7 V minimum required when VOUT is 2.5 V or lower, so the LHR3025 needs at least 2.7 V."
      },
      {
        "number": "3",
        "name": "TEMP",
        "type": "output",
        "description": "Temperature monitor output that gives a temperature-dependent voltage (VTEMP = 640 mV + 2.08 mV/°C × T, about 692 mV at 25 °C, with roughly ±15 °C accuracy); it has high output impedance, so a low-impedance load must be buffered to avoid measurement error."
      },
      {
        "number": "4",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference pin for the device, which must be decoupled to VIN and connected to the output capacitor return."
      },
      {
        "number": "5",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection; the pin is not connected inside the device."
      },
      {
        "number": "6",
        "name": "VOUT",
        "type": "output",
        "description": "Voltage reference output, which for the LHR3025 is 2.5 V with 0.05% (high grade) or 0.1% (standard grade) initial accuracy, supports ±10 mA source and sink current, and requires a 1 µF to 50 µF output capacitor from VOUT to GND."
      },
      {
        "number": "7",
        "name": "DNC",
        "type": "unconnected",
        "description": "Do not connect; the datasheet states this pin must be left unconnected (DNC = DO NOT CONNECT)."
      },
      {
        "number": "8",
        "name": "DNC",
        "type": "unconnected",
        "description": "Do not connect; the datasheet states this pin must be left unconnected (DNC = DO NOT CONNECT)."
      }
    ],
    "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 pin table on page 4 covers the 8-pin SOP8L and MSOP8L packages with one shared top-view figure, ; The LHR3025AFMA ordering code (page 14) is listed as MSOP 8 package, so the MSOP-8 variant applies. ; Pin 2 (VIN) minimum: the datasheet gives VIN minimum as VOUT + 0.2 V in the operating conditions, an"
        ],
        "pages_sent": 14,
        "cost_usd": 0.0516,
        "at": "2026-10-19T06:02:21"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8608766048393457664",
        "pages": 14,
        "sha256": "ff3d9553c635cfa9",
        "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": "lhr3025afma.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4.9,
          3.0,
          0.95
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "847c4c5023fe1603fbd36900a5dcc4bd3901ba473f71d42c9a469f0236eaadf3",
        "checked": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "lhr3025afma-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4.9,
          3.0,
          0.95
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "4dfb1b535cfd7400509e048ac1f6c1a157f53c5efb4984837ce6cf9aa25da263",
        "checked": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}