LKP5222S

{
  "slug": "lkp5222s",
  "version": "0.1.0",
  "type": "component",
  "description": "LKWIC Voltage Reference, SOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "lkp5222s",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "lkp5222s.kicad_sym",
    "lkp5222s.kicad_mod",
    "lkp5222s.glb",
    "lkp5222s.step",
    "lkp5222s.lbr",
    "docs/hero.png",
    "docs/lkp5222s-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "lkp5222s-hero.glb",
    "lkp5222s-hero.overlay.json",
    "lkp5222s-etched.glb"
  ],
  "component": {
    "mpn": "LKP5222S",
    "manufacturer": "LKWIC",
    "package": "SOP-8",
    "pin_count": 8,
    "category": "Power Management (PMIC)",
    "subcategory": "Voltage Reference",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590918848311222272",
    "parts": {
      "symbol": "lkp5222s.kicad_sym",
      "footprint": "lkp5222s.kicad_mod",
      "model_3d": "lkp5222s-hero.glb",
      "model_3d_plain": "lkp5222s-etched.glb",
      "model_3d_step": "lkp5222s-etched.step",
      "model_3d_step_plain": "lkp5222s.step",
      "lbr": "lkp5222s.lbr"
    },
    "distributor_links": {
      "lcsc": "C20626201"
    },
    "distributor_check": {
      "checked_at": "2026-10-20T09:05:30Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "10V",
        "type": "output",
        "description": "10.0V reference output terminal (datasheet lists 10.000V as one of the selectable outputs, with a temperature coefficient of 30ppm/°C max)."
      },
      {
        "number": "2",
        "name": "5V",
        "type": "input",
        "description": "5V select terminal used to choose the reference output voltage (2.500V, 5.000V, 7.500V or 10.000V); the datasheet does not state the select logic levels."
      },
      {
        "number": "3",
        "name": "2.5V",
        "type": "input",
        "description": "2.5V select terminal used to choose the reference output voltage (2.500V, 5.000V, 7.500V or 10.000V); the datasheet does not state the select logic levels."
      },
      {
        "number": "4",
        "name": "COMMON",
        "type": "power_in",
        "description": "Common terminal, specified in the datasheet as low level (公共端, 低电平)."
      },
      {
        "number": "5",
        "name": "STROBE",
        "type": "input",
        "description": "Control terminal that enables and shuts down the reference output in one step (one-key output shutdown)."
      },
      {
        "number": "6",
        "name": "VBG",
        "type": "output",
        "description": "Bandgap reference output terminal (能隙基准输出端)."
      },
      {
        "number": "7",
        "name": "CAP",
        "type": "passive",
        "description": "Noise-reduction terminal; an external 0.01μF to 0.1μF capacitor is connected here to improve the circuit characteristics."
      },
      {
        "number": "8",
        "name": "V+",
        "type": "power_in",
        "description": "Supply input terminal; the input voltage range is 4.5V to 30V."
      }
    ],
    "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 datasheet calls pin 4 'COMMON' (公共端, low level) and never says GND. It is typed power_in on the ; Pin 7 (CAP) is a noise-reduction node that takes an external 0.01μF–0.1μF capacitor. The datasheet g; The datasheet says these are select terminals for the output voltage but gives no logic levels or tr"
        ],
        "pages_sent": 7,
        "cost_usd": 0.0172,
        "at": "2026-10-20T09:05:14"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590918848311222272",
        "pages": 7,
        "sha256": "9ed4e71854303976",
        "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": "lkp5222s.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": "2026-10-20",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "lkp5222s-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": "ed9daa66106793b612b56fe0a76d1a1f2438846d99f5d46ee130e0ba8c784813",
        "checked": "2026-10-20",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}