TPS26400RHFR

{
  "slug": "tps26400rhfr",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Surge Suppressors, VQFN-24(4x5). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "tvs-fuse-board level protection",
    "tps26400rhfr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "tps26400rhfr.kicad_sym",
    "tps26400rhfr.kicad_mod",
    "tps26400rhfr.glb",
    "tps26400rhfr.step",
    "tps26400rhfr.lbr",
    "docs/hero.png",
    "docs/tps26400rhfr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "tps26400rhfr-hero.glb",
    "tps26400rhfr-hero.overlay.json",
    "tps26400rhfr-etched.glb"
  ],
  "component": {
    "mpn": "TPS26400RHFR",
    "manufacturer": "Texas Instruments",
    "package": "VQFN-24(4x5)",
    "pin_count": 25,
    "category": "TVS/Fuse/Board Level Protection",
    "subcategory": "Surge Suppressors",
    "datasheet": "https://www.ti.com/cn/lit/gpn/tps2640",
    "parts": {
      "symbol": "tps26400rhfr.kicad_sym",
      "footprint": "tps26400rhfr.kicad_mod",
      "model_3d": "tps26400rhfr-hero.glb",
      "model_3d_plain": "tps26400rhfr-etched.glb",
      "model_3d_step": "tps26400rhfr-etched.step",
      "model_3d_step_plain": "tps26400rhfr.step",
      "lbr": "tps26400rhfr.lbr"
    },
    "distributor_links": {
      "lcsc": "C2876715"
    },
    "distributor_check": {
      "checked_at": "2026-10-22T21:52:33Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "N.C",
        "type": "unconnected",
        "description": "No connect."
      },
      {
        "number": "2",
        "name": "N.C",
        "type": "unconnected",
        "description": "No connect."
      },
      {
        "number": "3",
        "name": "N.C",
        "type": "unconnected",
        "description": "No connect."
      },
      {
        "number": "4",
        "name": "N.C",
        "type": "unconnected",
        "description": "No connect."
      },
      {
        "number": "5",
        "name": "N.C",
        "type": "unconnected",
        "description": "No connect."
      },
      {
        "number": "6",
        "name": "N.C",
        "type": "unconnected",
        "description": "No connect."
      },
      {
        "number": "7",
        "name": "N.C",
        "type": "unconnected",
        "description": "No connect."
      },
      {
        "number": "8",
        "name": "IN",
        "type": "power_in",
        "description": "Power input and supply voltage of the device; all IN pins must be connected together, recommended range 4.2 V to 42 V."
      },
      {
        "number": "9",
        "name": "IN",
        "type": "power_in",
        "description": "Power input and supply voltage of the device; all IN pins must be connected together, recommended range 4.2 V to 42 V."
      },
      {
        "number": "10",
        "name": "UVLO",
        "type": "input",
        "description": "Input for setting the programmable undervoltage lockout threshold; an undervoltage event turns off the internal FET and asserts FLT, and connecting UVLO to RTN selects the internal default threshold."
      },
      {
        "number": "11",
        "name": "N.C",
        "type": "unconnected",
        "description": "No connect."
      },
      {
        "number": "12",
        "name": "OVP",
        "type": "input",
        "description": "Input for setting the programmable overvoltage protection threshold; an overvoltage event turns off the internal FET and asserts FLT, and connecting OVP to RTN selects the factory-set V(IN) overvoltage trip level."
      },
      {
        "number": "13",
        "name": "MODE",
        "type": "input",
        "description": "Mode selection pin for overload fault response: open = circuit breaker with auto-retry, shorted to RTN = active current limiting with auto-retry, 402-kΩ to RTN = current limiting with latch-off."
      },
      {
        "number": "14",
        "name": "SHDN",
        "type": "input",
        "description": "Shutdown pin; pulling it low enters low-power shutdown mode (about 20 μA typical), and cycling it resets a device latched off by a fault."
      },
      {
        "number": "15",
        "name": "RTN",
        "type": "power_in",
        "description": "Reference for device internal control circuits; connect R(ILIM), C(dVdT), R(IMON), R(MODE), UVLO and OVP resistors to it and do not short it to GND."
      },
      {
        "number": "16",
        "name": "N.C",
        "type": "unconnected",
        "description": "No connect."
      },
      {
        "number": "17",
        "name": "GND",
        "type": "power_in",
        "description": "Connect GND to system ground."
      },
      {
        "number": "18",
        "name": "IMON",
        "type": "output",
        "description": "Analog current monitor output sourcing a scaled-down ratio of the internal FET current (78.4 μA/A typical), converted to voltage by a resistor to RTN; leave floating if unused."
      },
      {
        "number": "19",
        "name": "ILIM",
        "type": "bidirectional",
        "description": "A resistor from this pin to RTN sets the overload and short-circuit current limit (recommended 5.36 kΩ to 120 kΩ)."
      },
      {
        "number": "20",
        "name": "dVdT",
        "type": "bidirectional",
        "description": "A capacitor from this pin to RTN sets the output voltage slew rate; when left floating the internal ramp rate is 23.9 V/1.6 ms."
      },
      {
        "number": "21",
        "name": "N.C",
        "type": "unconnected",
        "description": "No connect."
      },
      {
        "number": "22",
        "name": "FLT",
        "type": "output",
        "description": "Fault event indicator, open-drain output; leave floating if unused."
      },
      {
        "number": "23",
        "name": "OUT",
        "type": "power_out",
        "description": "Power output of the device; all OUT pins must be connected together and to the load."
      },
      {
        "number": "24",
        "name": "OUT",
        "type": "power_out",
        "description": "Power output of the device; all OUT pins must be connected together and to the load."
      },
      {
        "number": "25",
        "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-sonnet-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 PowerPad has no printed pin number, so 'PAD' is a placeholder identifier. Assign the num; The datasheet gives no electrical type for RTN, so power_in is an assumption; it is described as the"
        ],
        "pages_sent": 15,
        "cost_usd": 0.1576,
        "at": "2026-10-22T21:52:18"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/tps2640",
        "pages": 56,
        "sha256": "6532dc40aab68268",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 25,
        "described": 25,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "tps26400rhfr.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4.0,
          5.0,
          0.77
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "dd34955bd2f41c7d5d4f45257df2b8077e42f694598de69e58ad55ad191eecae",
        "checked": "2026-10-22",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "tps26400rhfr-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4.0,
          5.0,
          0.77
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "ea51ab0486c40740a6ed250546b4d3102e7aaf39da1c8481dd790104609928d9",
        "checked": "2026-10-22",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}