TPS54331DDA

{
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  "slug": "tps54331dda",
  "title": "TPS54331DDA",
  "brief": "Texas Instruments DC-DC Converters, ESOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
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  "component": {
    "mpn": "TPS54331DDA",
    "manufacturer": "Texas Instruments",
    "package": "ESOP-8",
    "pin_count": 9,
    "category": "Power Management (PMIC)",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://www.ti.com/cn/lit/gpn/tps54331",
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    "distributor_links": {
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    "pins": [
      {
        "number": "1",
        "name": "BOOT",
        "type": "output",
        "description": "Bootstrap voltage output for high-side MOSFET gate drive; requires 0.1μF capacitor between BOOT and PH pins to maintain gate bias voltage above 2.1V minimum."
      },
      {
        "number": "2",
        "name": "VIN",
        "type": "power_in",
        "description": "Input power supply voltage pin; supports 3.5V to 28V operating range."
      },
      {
        "number": "3",
        "name": "EN",
        "type": "input",
        "description": "Enable/disable control input; pull below 1.25V to disable converter or leave floating to enable; UVLO threshold programmable using external resistor divider."
      },
      {
        "number": "4",
        "name": "SS",
        "type": "input",
        "description": "Slow start input; connect external capacitor to set output rise time from 1ms to 10ms using 2μA charge current."
      },
      {
        "number": "5",
        "name": "VSENSE",
        "type": "input",
        "description": "Feedback input to inverting node of transconductance error amplifier for output voltage regulation and current limiting."
      },
      {
        "number": "6",
        "name": "COMP",
        "type": "output",
        "description": "Error amplifier output and PWM comparator input; connect external frequency compensation network between this pin and ground."
      },
      {
        "number": "7",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference pin; low-side MOSFET source connection and current return path."
      },
      {
        "number": "8",
        "name": "PH",
        "type": "output",
        "description": "High-side MOSFET source output; internal 80mΩ MOSFET switch node with 570kHz fixed switching frequency."
      },
      {
        "number": "9",
        "name": "PowerPAD",
        "type": "power_in",
        "description": "Exposed thermal pad for ground connection and heat dissipation; must be connected to ground plane for proper thermal performance (DDA package only)."
      }
    ],
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        "at": "2026-09-24T07:40:10"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
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        "described": 9,
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  "metadata": {
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      "Manufacturer": "Texas Instruments",
      "Package": "ESOP-8",
      "Category": "Power Management (PMIC)",
      "Pins": "9"
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          "name": "EN input current at enable threshold -50mV",
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          "name": "Voltage reference",
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