TPS26631PWPR

{
  "slug": "tps26631pwpr",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Surge Protection Devices (SPDs), HTSSOP-20. Pinout reviewed by a person against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
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    "circuit protection",
    "tps26631pwpr",
    "factory-2.0.0",
    "extractor-text"
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  "dependencies": {},
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  "component": {
    "mpn": "TPS26631PWPR",
    "manufacturer": "Texas Instruments",
    "package": "HTSSOP-20",
    "pin_count": 20,
    "category": "Circuit Protection",
    "subcategory": "Surge Protection Devices (SPDs)",
    "datasheet": "https://www.ti.com/cn/lit/gpn/tps2663",
    "parts": {
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      "lbr": "tps26631pwpr.lbr"
    },
    "distributor_links": {
      "lcsc": "C2866319",
      "digikey": "296-TPS26631PWPRTR-ND"
    },
    "distributor_check": {
      "checked_at": "2026-10-21T18:40:52Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-TPS26631PWPRTR-ND",
        "status": "found"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "IN",
        "type": "power_in",
        "description": "Power input that connects to the DRAIN of the internal FET; the recommended IN_SYS and IN input voltage range is 4.5 V to 60 V."
      },
      {
        "number": "2",
        "name": "IN",
        "type": "power_in",
        "description": "Power input that connects to the DRAIN of the internal FET; the recommended IN_SYS and IN input voltage range is 4.5 V to 60 V."
      },
      {
        "number": "3",
        "name": "IN",
        "type": "power_in",
        "description": "Power input that connects to the DRAIN of the internal FET; the recommended IN_SYS and IN input voltage range is 4.5 V to 60 V."
      },
      {
        "number": "4",
        "name": "B_GATE",
        "type": "output",
        "description": "Blocking FET gate driver output that connects to the GATE of the external N-FET; leave floating if no external FET is used."
      },
      {
        "number": "5",
        "name": "DRV",
        "type": "output",
        "description": "Blocking FET fast pulldown switch drive that connects to the GATE of the external pulldown switch; leave floating if the external N-FET is not used."
      },
      {
        "number": "6",
        "name": "IN_SYS",
        "type": "power_in",
        "description": "Power input and supply voltage of the device; connect to the source of the blocking FET when used, or short to IN when no blocking FET is used."
      },
      {
        "number": "7",
        "name": "UVLO",
        "type": "input",
        "description": "Input for the programmable undervoltage lockout threshold; an undervoltage event turns off the internal FET and asserts FLT, and connecting UVLO to GND selects the internal default threshold."
      },
      {
        "number": "8",
        "name": "OVP",
        "type": "input",
        "description": "Input for the programmable overvoltage protection threshold (TPS26630 and TPS26631 only); an overvoltage event turns off the internal FET and asserts FLT, and connecting OVP to GND selects the internal default threshold."
      },
      {
        "number": "9",
        "name": "GND",
        "type": "power_in",
        "description": "Connect to system ground."
      },
      {
        "number": "10",
        "name": "dVdT",
        "type": "bidirectional",
        "description": "A capacitor from this pin to GND sets the output voltage slew rate (see Hot Plug-In and InRush Current Control section)."
      },
      {
        "number": "11",
        "name": "ILIM",
        "type": "bidirectional",
        "description": "A resistor from this pin to GND sets the overload and short-circuit current limit; ILIM resistance is specified from 3 kΩ to 30 kΩ."
      },
      {
        "number": "12",
        "name": "MODE",
        "type": "input",
        "description": "Mode selection pin for overload fault response; see the Device Functional Modes section."
      },
      {
        "number": "13",
        "name": "SHDN",
        "type": "input",
        "description": "Shutdown pin; pulling SHDN low puts the device into low-power shutdown mode, and cycling SHDN resets a device latched off by a fault."
      },
      {
        "number": "14",
        "name": "IMON",
        "type": "output",
        "description": "Analog current monitor output that sources a scaled-down ratio of the FET current; a resistor to GND converts it to a proportional voltage, and the pin should be left floating if unused."
      },
      {
        "number": "15",
        "name": "FLT",
        "type": "output",
        "description": "Fault event indicator that is an open-drain output; leave floating or connect to GND if unused."
      },
      {
        "number": "16",
        "name": "PGTH",
        "type": "input",
        "description": "PGOOD comparator input."
      },
      {
        "number": "17",
        "name": "PGOOD",
        "type": "output",
        "description": "Active-high power-good output that goes high when PGTH crosses V(PGTHR) with the internal FET enhanced and goes low when PGTH falls to V(PGTHF); connect to GND or leave floating if unused."
      },
      {
        "number": "18",
        "name": "OUT",
        "type": "power_out",
        "description": "Power output of the device."
      },
      {
        "number": "19",
        "name": "OUT",
        "type": "power_out",
        "description": "Power output of the device."
      },
      {
        "number": "20",
        "name": "N.C.",
        "type": "unconnected",
        "description": "No connect."
      }
    ],
    "provenance": {
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      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/tps2663",
        "pages": 60,
        "sha256": "63ce6e9453e4499b",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 20,
        "described": 20,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
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}