U3223E

{
  "slug": "u3223e",
  "version": "0.1.0",
  "type": "component",
  "description": "UNI SEMIC DC-DC Converters, ESOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "u3223e",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "u3223e.kicad_sym",
    "u3223e.kicad_mod",
    "u3223e.glb",
    "u3223e.step",
    "u3223e.lbr",
    "docs/hero.png",
    "docs/u3223e-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "u3223e-hero.glb",
    "u3223e-hero.overlay.json",
    "u3223e-etched.glb"
  ],
  "component": {
    "mpn": "U3223E",
    "manufacturer": "UNI SEMIC",
    "package": "ESOP-8",
    "pin_count": 9,
    "category": "Power Management (PMIC)",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8755842615386349568",
    "parts": {
      "symbol": "u3223e.kicad_sym",
      "footprint": "u3223e.kicad_mod",
      "model_3d": "u3223e-hero.glb",
      "model_3d_plain": "u3223e-etched.glb",
      "model_3d_step": "u3223e-etched.step",
      "model_3d_step_plain": "u3223e.step",
      "lbr": "u3223e.lbr"
    },
    "distributor_links": {
      "lcsc": "C20626029"
    },
    "distributor_check": {
      "checked_at": "2026-10-19T00:54:35Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "GND",
        "type": "power_in",
        "description": "Chip reference ground pin."
      },
      {
        "number": "2",
        "name": "EN",
        "type": "input",
        "description": "Driving this pin to logic high (1V) enables the IC, and driving it to logic low enables the IC into shutdown mode, per the datasheet's wording."
      },
      {
        "number": "3",
        "name": "FB",
        "type": "input",
        "description": "Feedback input pin; the datasheet gives an overload protection (OLP) detection threshold of 1.8 V typical on this pin."
      },
      {
        "number": "4",
        "name": "CS",
        "type": "input",
        "description": "Peak current sense pin; the sensed voltage is compared with a 0.2 V typical peak current threshold, with about 300 ns leading-edge blanking."
      },
      {
        "number": "5",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection; the datasheet recommends leaving this pin floating."
      },
      {
        "number": "6",
        "name": "HV",
        "type": "power_in",
        "description": "Internal high-voltage pin for the 200 V high-voltage start-up circuit, which charges the VDD capacitor from the Drain."
      },
      {
        "number": "7",
        "name": "Drain",
        "type": "power_in",
        "description": "Internal high-voltage MOSFET drain; the Drain pin voltage absolute maximum range is -0.3 to 200 V."
      },
      {
        "number": "8",
        "name": "VDD",
        "type": "power_in",
        "description": "Chip supply pin where a 100 nF SMD capacitor is recommended; VDD absolute maximum is 25 V and the internal clamp is 30 V typical."
      },
      {
        "number": "9",
        "name": "Drain",
        "type": "power_in",
        "description": "Internal high-voltage MOSFET drain on the exposed pad, which must be well soldered to the PCB."
      }
    ],
    "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 lists CS as type O (output), but the pin functions as a peak current sense input to th; The Chinese EN description is ambiguous ('drive to logic low enables the IC and enters shutdown mode; The datasheet classes HV, Drain and Drain EP as P (power) without voltage/current direction; they ar"
        ],
        "pages_sent": 12,
        "cost_usd": 0.0472,
        "at": "2026-10-19T00:52:24"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8755842615386349568",
        "pages": 12,
        "sha256": "67ebe1d5f2c775ee",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 9,
        "described": 9,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "u3223e.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.9,
          4.9,
          1.65
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "f1718a42c5ea007e8e2dd672ac39a1bb358ee4849bd53c42e21ce83e0e5df7a9",
        "checked": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "u3223e-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.9,
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          1.65
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "bde413b7bbb58cbd1cc0806c428537a1e5abf702244d9f3dba878079992c13b6",
        "checked": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}