main
Ray Publish 0.1.0 ce76a17 10d ago
{
  "slug": "tps25940arvct",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Surge Suppressors, WQFN-20(4x3). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "tvs-fuse-board level protection",
    "tps25940arvct",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "tps25940arvct.kicad_sym",
    "tps25940arvct.kicad_mod",
    "tps25940arvct.glb",
    "tps25940arvct.step",
    "tps25940arvct.lbr",
    "docs/hero.png",
    "docs/tps25940arvct-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "tps25940arvct-hero.glb",
    "tps25940arvct-hero.overlay.json"
  ],
  "component": {
    "mpn": "TPS25940ARVCT",
    "manufacturer": "Texas Instruments",
    "package": "WQFN-20(4x3)",
    "pin_count": 21,
    "category": "TVS/Fuse/Board Level Protection",
    "subcategory": "Surge Suppressors",
    "datasheet": "https://www.ti.com/lit/ds/symlink/tps25940arvct.pdf",
    "parts": {
      "symbol": "tps25940arvct.kicad_sym",
      "footprint": "tps25940arvct.kicad_mod",
      "model_3d": "tps25940arvct-hero.glb",
      "model_3d_step": "tps25940arvct.step",
      "lbr": "tps25940arvct.lbr",
      "model_3d_plain": "tps25940arvct.glb"
    },
    "distributor_links": {
      "lcsc": "C2653833",
      "digikey": "296-39586-2-ND",
      "mouser": "595-TPS25940ARVCT"
    },
    "distributor_check": {
      "checked_at": "2026-10-30T23:52:03Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-39586-2-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-TPS25940ARVCT",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "DEVSLP",
        "type": "input",
        "description": "Active-high DevSleep mode control that activates the low-power DevSleep mode; recommended input range is 0 to 18 V."
      },
      {
        "number": "2",
        "name": "PGOOD",
        "type": "output",
        "description": "Active-high power-good output that goes high when PGTH crosses its threshold; open-drain, sink current limited to 10 mA, recommended range 0 to 18 V."
      },
      {
        "number": "3",
        "name": "PGTH",
        "type": "input",
        "description": "Positive input of the PGOOD comparator; recommended input range is 0 to 18 V."
      },
      {
        "number": "4",
        "name": "OUT",
        "type": "power_out",
        "description": "Power output of the device; recommended range 0 to 18 V, with 0.1 µF external capacitance listed for OUT."
      },
      {
        "number": "5",
        "name": "OUT",
        "type": "power_out",
        "description": "Power output of the device; recommended range 0 to 18 V, with 0.1 µF external capacitance listed for OUT."
      },
      {
        "number": "6",
        "name": "OUT",
        "type": "power_out",
        "description": "Power output of the device; recommended range 0 to 18 V, with 0.1 µF external capacitance listed for OUT."
      },
      {
        "number": "7",
        "name": "OUT",
        "type": "power_out",
        "description": "Power output of the device; recommended range 0 to 18 V, with 0.1 µF external capacitance listed for OUT."
      },
      {
        "number": "8",
        "name": "OUT",
        "type": "power_out",
        "description": "Power output of the device; recommended range 0 to 18 V, with 0.1 µF external capacitance listed for OUT."
      },
      {
        "number": "9",
        "name": "IN",
        "type": "power_in",
        "description": "Power input and supply voltage of the device; recommended range 2.7 to 18 V, absolute maximum 20 V (22 V for 10 ms transients)."
      },
      {
        "number": "10",
        "name": "IN",
        "type": "power_in",
        "description": "Power input and supply voltage of the device; recommended range 2.7 to 18 V, absolute maximum 20 V (22 V for 10 ms transients)."
      },
      {
        "number": "11",
        "name": "IN",
        "type": "power_in",
        "description": "Power input and supply voltage of the device; recommended range 2.7 to 18 V, absolute maximum 20 V (22 V for 10 ms transients)."
      },
      {
        "number": "12",
        "name": "IN",
        "type": "power_in",
        "description": "Power input and supply voltage of the device; recommended range 2.7 to 18 V, absolute maximum 20 V (22 V for 10 ms transients)."
      },
      {
        "number": "13",
        "name": "IN",
        "type": "power_in",
        "description": "Power input and supply voltage of the device; recommended range 2.7 to 18 V, absolute maximum 20 V (22 V for 10 ms transients)."
      },
      {
        "number": "14",
        "name": "EN/UVLO",
        "type": "input",
        "description": "Sets the programmable undervoltage lockout threshold; an undervoltage event opens the internal FET and asserts FLT, and pulling it to GND resets the fault latch in TPS25940L; recommended range 0 to 18 V."
      },
      {
        "number": "15",
        "name": "OVP",
        "type": "input",
        "description": "Sets the programmable overvoltage protection threshold; an overvoltage event opens the internal FET and asserts FLT; recommended range 0 to 18 V."
      },
      {
        "number": "16",
        "name": "GND",
        "type": "power_in",
        "description": "Ground; must be connected to the exposed PowerPAD, which must be tied to a PCB ground plane using multiple vias."
      },
      {
        "number": "17",
        "name": "ILIM",
        "type": "bidirectional",
        "description": "A resistor from this pin to GND sets the overload and short-circuit current limit; recommended resistance 16.9 kΩ to 150 kΩ and voltage 0 to 3 V."
      },
      {
        "number": "18",
        "name": "dVdT",
        "type": "bidirectional",
        "description": "A capacitor from this pin to GND sets the output voltage ramp rate; recommended capacitance up to 470 nF, voltage 0 to 3 V, sink current limited to 10 mA."
      },
      {
        "number": "19",
        "name": "IMON",
        "type": "output",
        "description": "Sources a scaled-down ratio of the internal FET current, which a resistor to GND converts to a proportional analog voltage; recommended range 0 to 6 V, absolute maximum 7 V."
      },
      {
        "number": "20",
        "name": "FLT",
        "type": "output",
        "description": "Open-drain fault indicator that goes low for undervoltage, overvoltage, reverse voltage, or thermal shutdown events; recommended range 0 to 18 V, sink current limited to 10 mA."
      },
      {
        "number": "21",
        "name": "EP",
        "type": "passive",
        "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-haiku-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The exposed thermal pad (PowerPAD) is referenced in the text (GND must connect to it) but is not giv; Package variant confirmed: page 44 ordering table lists TPS25940ARVCT as ACTIVE, WQFN, RVC, 20 pins,",
          "exposed pad 21 added from the footprint"
        ],
        "pages_sent": 8,
        "cost_usd": 0.0522,
        "at": "2026-10-30T23:51:52"
      },
      "datasheet": {
        "url": "https://www.ti.com/lit/ds/symlink/tps25940arvct.pdf",
        "pages": 46,
        "sha256": "2afef30f449360cd",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 21,
        "described": 21,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "tps25940arvct.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          3.0,
          4.0,
          0.77
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "9305bb1f2217b3a3c4923c5aad9089084cd988b0009a6b8028004dfc00dac347",
        "checked": "2026-10-30",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}