PL8322

{
  "schema_version": 1,
  "type": "component",
  "slug": "pl8322",
  "title": "PL8322",
  "brief": "POWLICON DC-DC Converters, ESOP-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 supply chip",
    "pl8322",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "PL8322",
    "manufacturer": "POWLICON",
    "package": "ESOP-8",
    "pin_count": 9,
    "category": "Power Supply Chip",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588893363882381312",
    "parts": {
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      "footprint": "pl8322.kicad_mod",
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      "model_3d_plain": "pl8322-etched.glb",
      "model_3d_step": "pl8322-etched.step",
      "model_3d_step_plain": "pl8322.step",
      "lbr": "pl8322.lbr"
    },
    "distributor_links": {
      "lcsc": "C782008"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T01:07:43Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "BST",
        "type": "power_out",
        "description": "Boot-strap pin: connect a 0.1µF or greater ceramic capacitor between SW and BST to power the high-side gate driver."
      },
      {
        "number": "2",
        "name": "VIN",
        "type": "power_in",
        "description": "Power input supplied from a 6.5V to 36V source, to be bypassed to GND with a large capacitor plus at least 0.1uF ceramic placed close to the VIN and GND pins."
      },
      {
        "number": "3",
        "name": "SW",
        "type": "output",
        "description": "Power switching pin connected to the inductor switching node."
      },
      {
        "number": "4",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for the device."
      },
      {
        "number": "5",
        "name": "FB",
        "type": "input",
        "description": "Feedback input sensing the output voltage through a resistor divider to ground, with the datasheet noting it is a sensitive node to keep away from SW and BST and recommending a 47pF capacitor to GND; the internal reference is 1.2V."
      },
      {
        "number": "6",
        "name": "IADJ",
        "type": "passive",
        "description": "Resistor from IADJ to GND sets the load current limit and line drop compensation (typical range 10k-50k per Section 9.4)."
      },
      {
        "number": "7",
        "name": "EN",
        "type": "input",
        "description": "Enable digital input: drive high to turn the regulator on and low to turn it off; internally pulled to VIN through a large resistor, with an internal threshold of 1V."
      },
      {
        "number": "8",
        "name": "SS",
        "type": "passive",
        "description": "Soft-start programming pin where a capacitor sets the soft-start time."
      },
      {
        "number": "9",
        "name": "EPAD",
        "type": "power_in",
        "description": "Exposed pad serving as power ground that must be connected to the PCB ground for full-load operation."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
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        "primary_model": "claude-haiku-5-5",
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        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: EPAD is listed as pin 9 in the pin-function table but the ESOP-8 top-view drawing shows only pins 1-; BST is typed power_out as a bootstrap supply rail for the high-side driver; the datasheet does not a; IADJ and SS are typed passive because the datasheet only describes them as resistor/capacitor progra"
        ],
        "pages_sent": 15,
        "cost_usd": 0.0625,
        "at": "2026-10-18T01:05:43"
      },
      "datasheet": {
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        "pages": 15,
        "sha256": "6e735715b7cbd555",
        "source_tier": "lcsc"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 9,
        "described": 9,
        "cites_pages": true,
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  "metadata": {
    "specs": {
      "Manufacturer": "POWLICON",
      "Package": "ESOP-8",
      "Category": "Power Supply Chip",
      "Pins": "9"
    },
    "characteristics": {
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        {
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          "name": "VBST to VSW",
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        {
          "name": "Storage temperature range",
          "symbol": "TST",
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          "unit": "°C",
          "min": -65,
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        {
          "name": "Junction temperature",
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        {
          "name": "Lead temperature",
          "symbol": "TL",
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        {
          "name": "ESD HBM",
          "symbol": "VESD",
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          "unit": "kV",
          "min": null,
          "typ": null,
          "max": 2,
          "conditions": "Human body model",
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        {
          "name": "ESD MM",
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          "min": null,
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          "conditions": "Charger device model",
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        },
        {
          "name": "VIN to GND input voltage (operating)",
          "symbol": "VIN",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 6.5,
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          "max": 36,
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        {
          "name": "FB input voltage",
          "symbol": "FB",
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        {
          "name": "EN input voltage",
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          "min": -0.3,
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        {
          "name": "Output voltage",
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          "kind": "recommended_operating",
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          "min": 0.5,
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          "max": null,
          "conditions": "",
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        {
          "name": "Output current",
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          "unit": "A",
          "min": 0,
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        {
          "name": "Operating junction temperature range",
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          "min": -40,
          "typ": null,
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        {
          "name": "Junction to ambient thermal resistance (ESOP-8)",
          "symbol": "θJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 56,
          "max": null,
          "conditions": "Measured on approximately 1\" square of 1 oz copper (Note 3)",
          "source_page": 3,
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        },
        {
          "name": "Junction to case thermal resistance (ESOP-8)",
          "symbol": "θJC",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 45,
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        {
          "name": "High-side switch on-resistance",
          "symbol": "RDS(ON)_H",
          "kind": "electrical",
          "unit": "mΩ",
          "min": null,
          "typ": 76,
          "max": null,
          "conditions": "IOUT = 1A, VOUT = 3.3V",
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        {
          "name": "Low-side switch on-resistance",
          "symbol": "RDS(ON)_L",
          "kind": "electrical",
          "unit": "mΩ",
          "min": null,
          "typ": 52,
          "max": null,
          "conditions": "IOUT = 1A, VOUT = 3.3V",
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          "source": "datasheet"
        },
        {
          "name": "Minimum input voltage for startup",
          "symbol": "VUVLO_up",
          "kind": "electrical",
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          "min": null,
          "typ": 6.5,
          "max": null,
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        {
          "name": "VUVLO_down",
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          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 6,
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        {
          "name": "VUVLO_hys",
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          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 0.5,
          "max": null,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Operating quiescent current",
          "symbol": "IQ-NONSW",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 1,
          "max": null,
          "conditions": "VFB =1.2V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Buck oscillator frequency",
          "symbol": "Foscb",
          "kind": "electrical",
          "unit": "kHz",
          "min": null,
          "typ": 100,
          "max": null,
          "conditions": "",
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        {
          "name": "Feedback voltage",
          "symbol": "VFB",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 1.2,
          "max": null,
          "conditions": "",
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        },
        {
          "name": "Maximum duty cycle",
          "symbol": "Dmax",
          "kind": "electrical",
          "unit": "%",
          "min": null,
          "typ": 95,
          "max": null,
          "conditions": "Guaranteed by design, not tested in production (Note 4)",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Minimum on time",
          "symbol": "Ton",
          "kind": "electrical",
          "unit": "ns",
          "min": null,
          "typ": 200,
          "max": null,
          "conditions": "Guaranteed by design, not tested in production (Note 4)",
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        },
        {
          "name": "Upper switch current limit",
          "symbol": "Iocl_hs",
          "kind": "electrical",
          "unit": "A",
          "min": null,
          "typ": 5.5,
          "max": null,
          "conditions": "Minimum Duty Cycle",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Lower switch current limit",
          "symbol": "Iocl_ls",
          "kind": "electrical",
          "unit": "A",
          "min": null,
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          "max": null,
          "conditions": "From Drain to Source",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Input over voltage protection",
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          "typ": 33,
          "max": null,
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          "name": "Thermal shutdown",
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          "kind": "electrical",
          "unit": "°C",
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          "typ": 155,
          "max": null,
          "conditions": "Guaranteed by design, not tested in production (Note 4)",
          "source_page": 4,
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        },
        {
          "name": "Thermal shutdown hysteresis",
          "symbol": "Thsdhys",
          "kind": "electrical",
          "unit": "°C",
          "min": null,
          "typ": 15,
          "max": null,
          "conditions": "Guaranteed by design, not tested in production (Note 4)",
          "source_page": 4,
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        },
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          "name": "Hiccup duty cycle",
          "symbol": "Dhiccup",
          "kind": "electrical",
          "unit": "%",
          "min": null,
          "typ": 10,
          "max": null,
          "conditions": "Guaranteed by design, not tested in production (Note 4)",
          "source_page": 4,
          "source": "datasheet"
        }
      ]
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