MPQ4420AGJ-AEC1-Z

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  "slug": "mpq4420agj-aec1-z",
  "title": "MPQ4420AGJ-AEC1-Z",
  "brief": "Monolithic Power Systems DC-DC Converters, TSOT-23-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
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    "mpn": "MPQ4420AGJ-AEC1-Z",
    "manufacturer": "Monolithic Power Systems",
    "package": "TSOT-23-8",
    "pin_count": 8,
    "category": "Power Management (PMIC)",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588893357728391168",
    "parts": {
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      "lcsc": "C600929",
      "digikey": "1589-1788-2-ND",
      "mouser": "946-MPQ4420AGJ-AEC1Z"
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      "source": "Component Ocean /api/assign-pns",
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    "pins": [
      {
        "number": "1",
        "name": "PG",
        "type": "output",
        "description": "Power good open-drain output that goes high when the output voltage exceeds 90% of nominal and needs an external pull-up (e.g., 100kΩ) to VCC or another voltage source; it can sink 0.3V max at 4mA."
      },
      {
        "number": "2",
        "name": "IN",
        "type": "power_in",
        "description": "Supply voltage input operating from a 4V to 36V input rail, which must be decoupled by C1 and connected with a wide PCB trace."
      },
      {
        "number": "3",
        "name": "SW",
        "type": "output",
        "description": "Switch output node that must be connected with a wide PCB trace."
      },
      {
        "number": "4",
        "name": "GND",
        "type": "power_in",
        "description": "System ground and reference for the regulated output voltage, which requires copper traces and vias for best results."
      },
      {
        "number": "5",
        "name": "BST",
        "type": "passive",
        "description": "Bootstrap pin that requires a capacitor between SW and BST to form the high-side driver supply, with a 20Ω resistor between SW and BST strongly recommended to reduce SW voltage spikes."
      },
      {
        "number": "6",
        "name": "EN/SYNC",
        "type": "input",
        "description": "Enable input that turns the regulator on when driven high and accepts an external 200kHz to 2.2MHz clock for synchronization; the input current must be limited below 150µA via a pull-up resistor, and direct connection requires limiting the voltage to 6V or less."
      },
      {
        "number": "7",
        "name": "VCC",
        "type": "power_out",
        "description": "Internal 5V bias regulator output that must be decoupled with a 0.1µF to 0.22µF capacitor, not exceeding 0.22µF."
      },
      {
        "number": "8",
        "name": "FB",
        "type": "input",
        "description": "Feedback input connected to the resistor-divider tap to set the output voltage against the 0.8V reference, with frequency foldback active when FB is below 660mV."
      }
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        "at": "2026-10-20T23:59:38"
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        "total": 8,
        "described": 8,
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          "conditions": "VBST-SW = 5V",
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        {
          "name": "Oscillator frequency",
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          "name": "VIN under-voltage lockout threshold rising",
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          "name": "VIN under-voltage lockout threshold falling",
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          "name": "VCC regulator",
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          "conditions": "ICC = 0mA",
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          "name": "Soft-start period",
          "symbol": "tSS",
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          "min": 0.55,
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          "conditions": "VOUT from 10% to 90%",
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          "name": "PG rising threshold",
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