U3210

{
  "schema_version": 1,
  "type": "component",
  "slug": "u3210",
  "title": "U3210",
  "brief": "UNI SEMIC DC-DC Converters, SOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "power management (pmic)",
    "u3210",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "U3210",
    "manufacturer": "UNI SEMIC",
    "package": "SOP-8",
    "pin_count": 8,
    "category": "Power Management (PMIC)",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8756596817666818048",
    "parts": {
      "symbol": "u3210.kicad_sym",
      "footprint": "u3210.kicad_mod",
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      "model_3d_plain": "u3210-etched.glb",
      "model_3d_step": "u3210-etched.step",
      "model_3d_step_plain": "u3210.step",
      "lbr": "u3210.lbr"
    },
    "distributor_links": {
      "lcsc": "C19193011"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T02:33:11Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VDD",
        "type": "power_in",
        "description": "Chip supply pin, also used as the output-voltage feedback input when FB is left floating; the datasheet recommends a 100nF SMD capacitor, VDD_ON is 7.5V typ, VDD_OFF 7.0V typ, VDD_OVP 25V typ, and VDD is clamped at 27V typ at 10mA, with an absolute maximum VDD supply of 25V."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Reference ground for the chip."
      },
      {
        "number": "3",
        "name": "FB",
        "type": "input",
        "description": "Feedback input; when left floating the output defaults to 12V, the reference is 2.0V typ, the output overvoltage threshold is 2.4V typ and the overload threshold VFB_OLP is 1.87V typ, with an absolute FB/CS voltage range of -0.3 to 7V."
      },
      {
        "number": "4",
        "name": "CS",
        "type": "output",
        "description": "Peak current sense pin, where the cycle-by-cycle peak current threshold is 0.55V typ (0.50 to 0.60V) and the abnormal overcurrent threshold is 0.9V typ, with an absolute FB/CS voltage range of -0.3 to 7V."
      },
      {
        "number": "5",
        "name": "Drain",
        "type": "power_in",
        "description": "Drain of the internal high-voltage power MOSFET, rated for a 650V minimum breakdown voltage and an absolute maximum drain voltage of -0.3 to 650V, with typical Rdson of 10 Ω."
      },
      {
        "number": "6",
        "name": "Drain",
        "type": "power_in",
        "description": "Drain of the internal high-voltage power MOSFET, rated for a 650V minimum breakdown voltage and an absolute maximum drain voltage of -0.3 to 650V, with typical Rdson of 10 Ω."
      },
      {
        "number": "7",
        "name": "Drain",
        "type": "power_in",
        "description": "Drain of the internal high-voltage power MOSFET, rated for a 650V minimum breakdown voltage and an absolute maximum drain voltage of -0.3 to 650V, with typical Rdson of 10 Ω."
      },
      {
        "number": "8",
        "name": "Drain",
        "type": "power_in",
        "description": "Drain of the internal high-voltage power MOSFET, rated for a 650V minimum breakdown voltage and an absolute maximum drain voltage of -0.3 to 650V, with typical Rdson of 10 Ω."
      }
    ],
    "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 pin table lists these as one grouped row '5,6,7,8 Drain'; I split it into four entries; The datasheet classifies CS as 'O' (output), but its function is a peak-current sense input that rec; The datasheet classifies Drain as 'P' (power). I mapped it to KiCad power_in following that classifi"
        ],
        "pages_sent": 10,
        "cost_usd": 0.0452,
        "at": "2026-10-18T02:32:25"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8756596817666818048",
        "pages": 10,
        "sha256": "1dbd5e6205e22cb9",
        "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"
    },
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        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6,
          4.9,
          1.75
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "u3210-etched.step",
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        "sha256": "b4ee3287d6dd855b38643b86d367cc404c004587e04b9d0cb85aad2fa936cc62",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "UNI SEMIC",
      "Package": "SOP-8",
      "Category": "Power Management (PMIC)",
      "Pins": "8"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "1dbd5e6205e22cb9a02b742cc6cdfc3f0266a9caeb7891ed216b75393dbfeb57",
      "rows": [
        {
          "name": "HV pin supply current (IHV)",
          "symbol": "IHV",
          "kind": "electrical",
          "unit": "mA",
          "min": 1,
          "typ": 5,
          "max": null,
          "conditions": "HV=650V, VDD=0V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "VDD start-up current",
          "symbol": "IVDD_st",
          "kind": "electrical",
          "unit": "uA",
          "min": null,
          "typ": 100,
          "max": 300,
          "conditions": "无开关工作",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Internal reference voltage at FB (differential amplifier input)",
          "symbol": "VFB_REF",
          "kind": "electrical",
          "unit": "V",
          "min": 1.97,
          "typ": 2,
          "max": 2.03,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Peak current threshold",
          "symbol": "VIPK",
          "kind": "electrical",
          "unit": "V",
          "min": 0.5,
          "typ": 0.55,
          "max": 0.6,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Power MOSFET breakdown voltage",
          "symbol": "VBR",
          "kind": "electrical",
          "unit": "V",
          "min": 650,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Drain pin voltage",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 650,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "VDD supply voltage",
          "symbol": "VDD",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 25,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "VDD clamp current",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 10,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "FB, CS pin voltage",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 7,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Maximum junction operating temperature",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 160,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Storage temperature",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Pin temperature (soldering, 10 s)",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 260,
          "conditions": "焊接 10 秒",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "ESD capability (human body model)",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "KV",
          "min": null,
          "typ": null,
          "max": 3,
          "conditions": "人体模型",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "ESD capability (machine model)",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 250,
          "conditions": "机器模型",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Package thermal resistance, junction to ambient (SOP-8)",
          "symbol": "",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 165,
          "max": null,
          "conditions": "结到环境(SOP-8)",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Operating ambient temperature",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Switching frequency",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "kHz",
          "min": 40,
          "typ": null,
          "max": 60,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        }
      ]
    }
  },
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  "discovery_triggers": [
    "u3210"
  ],
  "discovery_pitch": "U3210 (UNI SEMIC) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
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    "path": "docs/hero.png"
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  "visibility": {
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}