U3213D

{
  "schema_version": 1,
  "type": "component",
  "slug": "u3213d",
  "title": "U3213D",
  "brief": "UNI SEMIC DC-DC Converters, SOP-7. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.2.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "pmic",
    "u3213d"
  ],
  "component": {
    "mpn": "U3213D",
    "manufacturer": "UNI SEMIC",
    "package": "SOP-7",
    "pin_count": 7,
    "category": "PMIC",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/f5138522f6f1360c8e110874aa4eeec8.pdf",
    "parts": {
      "symbol": "u3213d.kicad_sym",
      "footprint": "u3213d.kicad_mod",
      "model_3d": "u3213d-etched.glb",
      "model_3d_plain": "u3213d.glb",
      "model_3d_step": "u3213d-etched.step",
      "model_3d_step_plain": "u3213d.step",
      "lbr": "u3213d.lbr"
    },
    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "VDD",
        "type": "power_in",
        "description": "Chip supply pin, also serves as the output voltage feedback node when FB is left floating. Recommended 100nF ceramic decoupling capacitor. VDD regulation ~15V, VDD_OVP ~19V, internal 25V clamp."
      },
      {
        "number": "2",
        "name": "EN",
        "type": "input",
        "description": "Enable input. Drive logic high (~1V typ) to enable the IC; drive logic low to disable and enter shutdown mode."
      },
      {
        "number": "3",
        "name": "FB",
        "type": "input",
        "description": "Feedback input pin. Leave floating for default 15V output; otherwise tie to a resistor divider from Vout to set the regulated output voltage (V_FB OLP threshold ~0.5V)."
      },
      {
        "number": "4",
        "name": "CS",
        "type": "input",
        "description": "Peak current sense pin (V_iPK ~300mV threshold). Leave floating for the default 1.2A internal current limit, or connect a sense element to set a custom peak current. Datasheet labels this pin I/O 'O' but it functions as a current-sense input."
      },
      {
        "number": "5",
        "name": "Drain",
        "type": "power_in",
        "description": "Drain of the internal 150V/3A high-voltage MOSFET (200V startup capable). Pins 5 and 6 are internally tied together and connect to the switching node / HV DC input in a buck topology."
      },
      {
        "number": "6",
        "name": "Drain",
        "type": "power_in",
        "description": "Drain of the internal 150V/3A high-voltage MOSFET. Internally tied to pin 5; both should be connected together on the PCB for current handling and thermal dissipation."
      },
      {
        "number": "8",
        "name": "GND",
        "type": "power_in",
        "description": "Chip reference ground. Pin 7 is absent in the SOP-7 package."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/f5138522f6f1360c8e110874aa4eeec8.pdf",
        "pages": 11,
        "sha256": "16c525c46eb3e00c",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 7,
        "described": 7,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    }
  },
  "metadata": {
    "specs": {
      "Manufacturer": "UNI SEMIC",
      "Package": "SOP-7",
      "Category": "PMIC",
      "Pins": "7"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "u3213d"
  ],
  "discovery_pitch": "U3213D (UNI SEMIC) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "u3213d.kicad_sym",
    "u3213d.kicad_mod",
    "u3213d.glb",
    "u3213d.step",
    "u3213d-etched.step",
    "u3213d.lbr",
    "docs/hero.png",
    "docs/u3213d-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "variants": [
    {
      "mpn": "U3213D",
      "kind": "packaging"
    }
  ],
  "updated_at": "2026-09-25T13:23:42.873Z"
}