U3211

{
  "slug": "u3211",
  "version": "0.1.0",
  "type": "component",
  "description": "UNI SEMIC AC-DC Controllers And Regulators, SOP-8. Datasheet-verified pinout, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "u3211",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "u3211.kicad_sym",
    "u3211.kicad_mod",
    "u3211.glb",
    "u3211.step",
    "u3211.lbr",
    "docs/hero.png",
    "docs/u3211-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "component": {
    "mpn": "U3211",
    "manufacturer": "UNI SEMIC",
    "package": "SOP-8",
    "pin_count": 8,
    "category": "Power Management (PMIC)",
    "subcategory": "AC-DC Controllers And Regulators",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8604437574182322176",
    "parts": {
      "symbol": "u3211.kicad_sym",
      "footprint": "u3211.kicad_mod",
      "model_3d": "u3211-etched.glb",
      "model_3d_plain": "u3211.glb",
      "model_3d_step": "u3211-etched.step",
      "model_3d_step_plain": "u3211.step",
      "lbr": "u3211.lbr"
    },
    "distributor_links": {
      "lcsc": "C41374705"
    },
    "pins": [
      {
        "number": "1",
        "name": "VDD",
        "type": "power_in",
        "description": "Chip positive supply pin; also serves as output voltage feedback reference when FB pin floats; typical application requires 100nF bypass capacitor on this pin."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Chip reference ground."
      },
      {
        "number": "3",
        "name": "FB",
        "type": "input",
        "description": "Feedback input pin for output voltage regulation; when this pin floats, default output voltage is 12V."
      },
      {
        "number": "4",
        "name": "CS",
        "type": "output",
        "description": "Peak current detection output pin for inductor peak current monitoring and cycle-by-cycle current limiting."
      },
      {
        "number": "5",
        "name": "Drain",
        "type": "output",
        "description": "Internal high voltage MOSFET drain; operating voltage range −0.3 V to 650 V, rated breakdown voltage 650 V, static on-resistance 4.5 Ω."
      },
      {
        "number": "6",
        "name": "Drain",
        "type": "output",
        "description": "Internal high voltage MOSFET drain; operating voltage range −0.3 V to 650 V, rated breakdown voltage 650 V, static on-resistance 4.5 Ω."
      },
      {
        "number": "7",
        "name": "Drain",
        "type": "output",
        "description": "Internal high voltage MOSFET drain; operating voltage range −0.3 V to 650 V, rated breakdown voltage 650 V, static on-resistance 4.5 Ω."
      },
      {
        "number": "8",
        "name": "Drain",
        "type": "output",
        "description": "Internal high voltage MOSFET drain; operating voltage range −0.3 V to 650 V, rated breakdown voltage 650 V, static on-resistance 4.5 Ω."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.2",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.2",
        "primary_model": "claude-haiku-4-5-20251001",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-4-6",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [],
        "pages_sent": 10,
        "cost_usd": 0.143,
        "at": "2026-09-18T05:02:18"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8604437574182322176",
        "pages": 10,
        "sha256": "ebcf7302fc1b0f4a",
        "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": "u3211.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
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        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "u3211-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
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        "sha256": "db136cb10f605bdf9cd1cda9c75d36210af24c518a9fc31754ef7384d9e257b2",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}