TPS25944ARVCR

{
  "slug": "tps25944arvcr",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Monitors & Reset Circuits, WQFN-20-EP(3x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management ics",
    "tps25944arvcr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
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    "README.md",
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    "tps25944arvcr.step",
    "tps25944arvcr.lbr",
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    "docs/tps25944arvcr-datasheet.pdf",
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    "viewers/footprint.html",
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    "tps25944arvcr-hero.overlay.json",
    "tps25944arvcr-etched.glb"
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  "component": {
    "mpn": "TPS25944ARVCR",
    "manufacturer": "Texas Instruments",
    "package": "WQFN-20-EP(3x4)",
    "pin_count": 21,
    "category": "Power Management ICs",
    "subcategory": "Monitors & Reset Circuits",
    "datasheet": "https://www.ti.com/lit/ds/symlink/tps25944arvcr.pdf",
    "parts": {
      "symbol": "tps25944arvcr.kicad_sym",
      "footprint": "tps25944arvcr.kicad_mod",
      "model_3d": "tps25944arvcr-hero.glb",
      "model_3d_plain": "tps25944arvcr-etched.glb",
      "model_3d_step": "tps25944arvcr-etched.step",
      "model_3d_step_plain": "tps25944arvcr.step",
      "lbr": "tps25944arvcr.lbr"
    },
    "distributor_links": {
      "lcsc": "C140313",
      "digikey": "296-42151-2-ND",
      "mouser": "595-TPS25944ARVCR"
    },
    "distributor_check": {
      "checked_at": "2026-10-29T00:22:17Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-42151-2-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-TPS25944ARVCR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "DMODE",
        "type": "input",
        "description": "Diode mode control pin, where a high level activates the non-ideal diode mode; EN, OVP, DMODE, OUT, PGTH, PGOOD and FLT are rated 0 V to 18 V recommended and 20 V absolute maximum."
      },
      {
        "number": "2",
        "name": "PGOOD",
        "type": "output",
        "description": "Active-high open-drain power-good output that goes high when PGTH has crossed its threshold, with a 10 mA maximum sink current."
      },
      {
        "number": "3",
        "name": "PGTH",
        "type": "input",
        "description": "Positive input of the PGOOD comparator, rated 0 V to 18 V recommended."
      },
      {
        "number": "4",
        "name": "OUT",
        "type": "power_out",
        "description": "Power output of the device, requiring at least 0.1 µF of external capacitance and rated 0 V to 18 V recommended."
      },
      {
        "number": "5",
        "name": "OUT",
        "type": "power_out",
        "description": "Power output of the device (grouped with pins 4 to 8 in the datasheet table), requiring at least 0.1 µF of external capacitance."
      },
      {
        "number": "6",
        "name": "OUT",
        "type": "power_out",
        "description": "Power output of the device (grouped with pins 4 to 8 in the datasheet table), requiring at least 0.1 µF of external capacitance."
      },
      {
        "number": "7",
        "name": "OUT",
        "type": "power_out",
        "description": "Power output of the device (grouped with pins 4 to 8 in the datasheet table), requiring at least 0.1 µF of external capacitance."
      },
      {
        "number": "8",
        "name": "OUT",
        "type": "power_out",
        "description": "Power output of the device (grouped with pins 4 to 8 in the datasheet table), requiring at least 0.1 µF of external capacitance."
      },
      {
        "number": "9",
        "name": "IN",
        "type": "power_in",
        "description": "Power input and supply voltage, recommended 2.7 V to 18 V with 20 V maximum (22 V for 10 ms transient)."
      },
      {
        "number": "10",
        "name": "IN",
        "type": "power_in",
        "description": "Power input and supply voltage (grouped with pins 9 to 13 in the datasheet table), recommended 2.7 V to 18 V."
      },
      {
        "number": "11",
        "name": "IN",
        "type": "power_in",
        "description": "Power input and supply voltage (grouped with pins 9 to 13 in the datasheet table), recommended 2.7 V to 18 V."
      },
      {
        "number": "12",
        "name": "IN",
        "type": "power_in",
        "description": "Power input and supply voltage (grouped with pins 9 to 13 in the datasheet table), recommended 2.7 V to 18 V."
      },
      {
        "number": "13",
        "name": "IN",
        "type": "power_in",
        "description": "Power input and supply voltage (grouped with pins 9 to 13 in the datasheet table), recommended 2.7 V to 18 V."
      },
      {
        "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 on the TPS25942L/TPS25944L."
      },
      {
        "number": "15",
        "name": "OVP",
        "type": "input",
        "description": "Sets the programmable overvoltage protection threshold; an overvoltage event opens the internal FET and asserts FLT to indicate overvoltage."
      },
      {
        "number": "16",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin, which must be connected to the exposed PowerPAD and then 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, with 16.9 kΩ to 150 kΩ recommended and 3 V maximum on the pin."
      },
      {
        "number": "18",
        "name": "dVdT",
        "type": "bidirectional",
        "description": "A capacitor from this pin to GND sets the output voltage ramp rate, with 470 nF maximum recommended and 10 mA maximum sink current."
      },
      {
        "number": "19",
        "name": "IMON",
        "type": "output",
        "description": "Sources a scaled-down ratio of the internal FET current, and a resistor from this pin to GND converts it to a proportional voltage for analog current monitoring, rated 0 V to 6 V recommended."
      },
      {
        "number": "20",
        "name": "FLT",
        "type": "output",
        "description": "Open-drain fault indicator that goes low for undervoltage, overvoltage, reverse voltage, circuit breaker timeout (TPS25944 only) and thermal shutdown, rated 0 V to 18 V recommended."
      },
      {
        "number": "21",
        "name": "PowerPAD",
        "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 PowerPAD is not a numbered pin on the package and is therefore omitted from the pins arr; The pin functions table groups pins 4-8 as OUT and pins 9-13 as IN with only the first number printe; Pin types for ILIM and dVdT are listed as I/O in the datasheet and were mapped to KiCad bidirectiona",
          "exposed pad 21 added from the footprint"
        ],
        "pages_sent": 10,
        "cost_usd": 0.0683,
        "at": "2026-10-29T00:21:58"
      },
      "datasheet": {
        "url": "https://www.ti.com/lit/ds/symlink/tps25944arvcr.pdf",
        "pages": 56,
        "sha256": "11ee4de5549f6957",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 21,
        "described": 21,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
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      "footprint": "viewers/footprint.html"
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        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          3.0,
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        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "9305bb1f2217b3a3c4923c5aad9089084cd988b0009a6b8028004dfc00dac347",
        "checked": "2026-10-29",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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        "sha256": "c6a05b1b39568612dac32fbd56a8ee56af8929771870ee2db3b98ea37da8a666",
        "checked": "2026-10-29",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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  }
}