LK7550-S

{
  "slug": "lk7550-s",
  "version": "0.1.0",
  "type": "component",
  "description": "LANKE Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-23-3L. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "lk7550-s",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "lk7550-s.kicad_sym",
    "lk7550-s.kicad_mod",
    "lk7550-s.glb",
    "lk7550-s.step",
    "lk7550-s.lbr",
    "docs/hero.png",
    "docs/lk7550-s-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "lk7550-s-hero.glb",
    "lk7550-s-hero.overlay.json",
    "lk7550-s-etched.glb"
  ],
  "component": {
    "mpn": "LK7550-S",
    "manufacturer": "LANKE",
    "package": "SOT-23-3L",
    "pin_count": 3,
    "category": "Power Management (PMIC)",
    "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603363695187668992",
    "parts": {
      "symbol": "lk7550-s.kicad_sym",
      "footprint": "lk7550-s.kicad_mod",
      "model_3d": "lk7550-s-hero.glb",
      "model_3d_plain": "lk7550-s-etched.glb",
      "model_3d_step": "lk7550-s-etched.step",
      "model_3d_step_plain": "lk7550-s.step",
      "lbr": "lk7550-s.lbr"
    },
    "distributor_links": {
      "lcsc": "C28314550"
    },
    "distributor_check": {
      "checked_at": "2026-10-19T02:12:29Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground reference pin of the regulator, labelled VSS on the SOT23-3 top-view drawing and GND in the functional block diagram."
      },
      {
        "number": "2",
        "name": "VOUT",
        "type": "power_out",
        "description": "Regulated 5.0V output (typ. for LK7550) that supplies up to 150mA, with 1-10uF recommended for the output capacitor C2."
      },
      {
        "number": "3",
        "name": "VIN",
        "type": "power_in",
        "description": "Unregulated input supply that accepts 2-30V (30V maximum in the electrical table, 36V absolute maximum)."
      }
    ],
    "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 SOT23-3 top-view drawing text is garbled in the extraction (labels VSS/VOUT/VIN and pin numbers ; The datasheet names the part LK7550S (and LK7550T/M in the electrical tables); the MPN LK7550-S was "
        ],
        "pages_sent": 6,
        "cost_usd": 0.0321,
        "at": "2026-10-19T02:10:14"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603363695187668992",
        "pages": 6,
        "sha256": "95e8dbab449ed223",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 3,
        "described": 3,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "lk7550-s.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.5,
          3.0,
          1.2
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "16964b14f93e6c778288a0c110b35f670fab733109c26f0da7dfc07cc3350040",
        "checked": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "lk7550-s-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.5,
          3.0,
          1.2
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "bd13ef6605ee2b8fa476bb77c564b49559cbc8506e257061a693b782392f0559",
        "checked": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}