U322

{
  "schema_version": 1,
  "type": "component",
  "slug": "u322",
  "title": "U322",
  "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)",
    "u322",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "U322",
    "manufacturer": "UNI SEMIC",
    "package": "SOP-8",
    "pin_count": 8,
    "category": "Power Management (PMIC)",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8756596966497095680",
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      "lbr": "u322.lbr"
    },
    "distributor_links": {
      "lcsc": "C2874735"
    },
    "distributor_check": {
      "checked_at": "2026-10-09T22:30:32Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "deferred",
        "error": "shared DigiKey quota guard: 546 calls left today"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VDD",
        "type": "power_in",
        "description": "Chip power supply pin, which also serves as the output voltage feedback input when FB is left floating; a 1uF ceramic capacitor is recommended on VDD."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Chip reference ground."
      },
      {
        "number": "3",
        "name": "NC",
        "type": "unconnected",
        "description": "Non-functional pin; leave floating in application."
      },
      {
        "number": "4",
        "name": "FB",
        "type": "input",
        "description": "Feedback input pin; when left floating the output defaults to 12.5 V."
      },
      {
        "number": "5",
        "name": "CS",
        "type": "input",
        "description": "Peak current sense pin, used to sample the inductor current and set the peak current threshold (left floating, the default limit is 1.2 A)."
      },
      {
        "number": "6",
        "name": "GATE",
        "type": "output",
        "description": "Drive output for the external power MOSFET."
      },
      {
        "number": "7",
        "name": "NC",
        "type": "unconnected",
        "description": "Non-functional pin; leave floating in application."
      },
      {
        "number": "8",
        "name": "HV",
        "type": "power_in",
        "description": "Internal high-voltage start-up and supply pin, which draws charge from the high-voltage input to charge VDD."
      }
    ],
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        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The datasheet pin table labels CS as 'O' (output), but its function is peak-current sensing of the s; The datasheet lists pins 3 and 7 together as one NC entry; they are split into two rows with the sam; The datasheet gives no pinout beyond the SOP-8 top view and pin table; the ordering info confirms U3"
        ],
        "pages_sent": 13,
        "cost_usd": 0.0427,
        "at": "2026-10-09T22:28:35"
      },
      "datasheet": {
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        "pages": 13,
        "sha256": "5a2395cd567a1842",
        "source_tier": "lcsc"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 8,
        "described": 8,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
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      "Manufacturer": "UNI SEMIC",
      "Package": "SOP-8",
      "Category": "Power Management (PMIC)",
      "Pins": "8"
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  "author": {
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    "email": "[email protected]"
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