TPS2372-3RGWT

{
  "schema_version": 1,
  "type": "component",
  "slug": "tps2372-3rgwt",
  "title": "TPS2372-3RGWT",
  "brief": "Texas Instruments Power Over Ethernet (PoE) Controllers, VQFN-20-EP(5x5). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "power management (pmic)",
    "tps2372-3rgwt",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "TPS2372-3RGWT",
    "manufacturer": "Texas Instruments",
    "package": "VQFN-20-EP(5x5)",
    "pin_count": 21,
    "category": "Power Management (PMIC)",
    "subcategory": "Power Over Ethernet (PoE) Controllers",
    "datasheet": "https://www.ti.com/cn/lit/gpn/tps2372",
    "parts": {
      "symbol": "tps2372-3rgwt.kicad_sym",
      "footprint": "tps2372-3rgwt.kicad_mod",
      "model_3d": "tps2372-3rgwt-etched.glb",
      "model_3d_plain": "tps2372-3rgwt.glb",
      "model_3d_step": "tps2372-3rgwt-etched.step",
      "model_3d_step_plain": "tps2372-3rgwt.step",
      "lbr": "tps2372-3rgwt.lbr"
    },
    "distributor_links": {
      "lcsc": "C2863330"
    },
    "pins": [
      {
        "number": "1",
        "name": "VDD",
        "type": "power_in",
        "description": "Positive PoE input supply rail (0-57V); bypass to VSS with 0.1µF capacitor."
      },
      {
        "number": "2",
        "name": "DEN",
        "type": "bidirectional",
        "description": "Detection and enable pin; connect 24.9kΩ resistor to VDD for PoE detection (1.4-10.9V range); pull to VSS to disable pass-through MOSFET during powered operation."
      },
      {
        "number": "3",
        "name": "CLSA",
        "type": "output",
        "description": "First classification current output; connect resistor to VSS to program Class A current per IEEE 802.3bt Table 1."
      },
      {
        "number": "4",
        "name": "VSS",
        "type": "power_in",
        "description": "Negative power supply rail from PoE source; connect to PCB ground plane."
      },
      {
        "number": "5",
        "name": "VSS",
        "type": "power_in",
        "description": "Negative power supply rail from PoE source; connect to PCB ground plane."
      },
      {
        "number": "6",
        "name": "CLSB",
        "type": "output",
        "description": "Second classification current output; connect resistor to VSS to program Class B current per IEEE 802.3bt Table 1."
      },
      {
        "number": "7",
        "name": "REF",
        "type": "output",
        "description": "1.5V internal voltage reference output; connect 49.9kΩ ±1% resistor to VSS."
      },
      {
        "number": "8",
        "name": "AMPS_CTL",
        "type": "output",
        "description": "Automatic MPS control output (23.1-24.9V pulses); connect 1-12kΩ resistor to VSS to set MPS current amplitude, maximum 50mA."
      },
      {
        "number": "9",
        "name": "MPS_DUTY",
        "type": "input",
        "description": "MPS duty cycle selection input (0-5.5V); resistor value to VSS selects 5.4% (open), 8.1% (60.4kΩ), or 12.5% (shorted) duty for Type 3-4 PSE."
      },
      {
        "number": "10",
        "name": "AUTCLS",
        "type": "input",
        "description": "Autoclass enable input (0-6.5V); internally pulled to 5.5V during classification; pull to VSS to enable Autoclass, keep open otherwise."
      },
      {
        "number": "11",
        "name": "RTN",
        "type": "output",
        "description": "PoE pass-through MOSFET drain; output return path referenced to VSS with voltage dependent on load current (0-100V)."
      },
      {
        "number": "12",
        "name": "RTN",
        "type": "output",
        "description": "PoE pass-through MOSFET drain; output return path referenced to VSS with voltage dependent on load current (0-100V)."
      },
      {
        "number": "13",
        "name": "PG",
        "type": "tri_state",
        "description": "Power good output (0-100V referenced to RTN); open-drain active-high (0.5V maximum low); indicates startup inrush completion."
      },
      {
        "number": "14",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection; leave floating."
      },
      {
        "number": "15",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection; leave floating."
      },
      {
        "number": "16",
        "name": "IRSHDL_EN",
        "type": "input",
        "description": "Inrush delay enable input (-0.3 to 6.5V referenced to RTN); internally pulled to 5.5V; keep open for 81.5ms minimum delay, connect to RTN to disable."
      },
      {
        "number": "17",
        "name": "TPL",
        "type": "tri_state",
        "description": "PSE allocated power output lower bit (0-100V referenced to RTN); open-drain active-high (0.5V maximum low); binary coded power level."
      },
      {
        "number": "18",
        "name": "TPH",
        "type": "tri_state",
        "description": "PSE allocated power output upper bit (0-100V referenced to RTN); open-drain active-high (0.5V maximum low); binary coded power level."
      },
      {
        "number": "19",
        "name": "BT",
        "type": "tri_state",
        "description": "IEEE 802.3bt detection indicator (-0.3 to 100V referenced to RTN); open-drain active-low (0.5V maximum low); signifies Type 3 or 4 PSE support."
      },
      {
        "number": "20",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection; keep open."
      },
      {
        "number": "21",
        "name": "EP",
        "type": "passive",
        "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.2",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.2",
        "primary_model": "claude-haiku-4-5-20251001",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-4-6",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "exposed pad 21 added from the footprint",
          "dropped thermal pad ['EP'] absent from footprint"
        ],
        "pages_sent": 38,
        "cost_usd": 0.769,
        "at": "2026-09-17T17:38:01"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/tps2372",
        "pages": 38,
        "sha256": "c83bfda2432136d5",
        "source_tier": "lcsc"
      },
      "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": "tps2372-3rgwt.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          5.0,
          5.0,
          0.77
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "9466f19e7a94c1920e0c82ac10746517bca0b846bd3c01a7053914bd9856799f",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "tps2372-3rgwt-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          5.0,
          5.0,
          0.77
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "d8bfbb05e276c285df4e0970dabaf0702f443bb508c5327e4abbea5844cad154",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "VQFN-20-EP(5x5)",
      "Category": "Power Management (PMIC)",
      "Pins": "21"
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "tps2372-3rgwt"
  ],
  "discovery_pitch": "TPS2372-3RGWT (Texas Instruments) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "tps2372-3rgwt.kicad_sym",
    "tps2372-3rgwt.kicad_mod",
    "tps2372-3rgwt.glb",
    "tps2372-3rgwt.step",
    "tps2372-3rgwt.lbr",
    "docs/hero.png",
    "docs/tps2372-3rgwt-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "updated_at": "2026-09-25T11:51:43.662Z"
}