TPS2388RTQR

{
  "slug": "tps2388rtqr",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Ethernet ICs, QFN-56-EP(8x8). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "communication interface chip-uart-485-232",
    "tps2388rtqr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "tps2388rtqr.kicad_sym",
    "tps2388rtqr.kicad_mod",
    "tps2388rtqr.glb",
    "tps2388rtqr.step",
    "tps2388rtqr.lbr",
    "docs/hero.png",
    "docs/tps2388rtqr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "tps2388rtqr-hero.glb",
    "tps2388rtqr-hero.overlay.json",
    "tps2388rtqr-etched.glb"
  ],
  "component": {
    "mpn": "TPS2388RTQR",
    "manufacturer": "Texas Instruments",
    "package": "QFN-56-EP(8x8)",
    "pin_count": 57,
    "category": "Communication Interface Chip/UART/485/232",
    "subcategory": "Ethernet ICs",
    "datasheet": "https://www.ti.com/lit/ds/symlink/tps2388rtqr.pdf",
    "parts": {
      "symbol": "tps2388rtqr.kicad_sym",
      "footprint": "tps2388rtqr.kicad_mod",
      "model_3d": "tps2388rtqr-hero.glb",
      "model_3d_plain": "tps2388rtqr-etched.glb",
      "model_3d_step": "tps2388rtqr-etched.step",
      "model_3d_step_plain": "tps2388rtqr.step",
      "lbr": "tps2388rtqr.lbr"
    },
    "distributor_links": {
      "lcsc": "C544512",
      "digikey": "296-TPS2388RTQRTR-ND",
      "mouser": "595-TPS2388RTQR"
    },
    "distributor_check": {
      "checked_at": "2026-10-30T20:01:52Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-TPS2388RTQRTR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-TPS2388RTQR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "GAT1",
        "type": "output",
        "description": "Port 1 gate drive output for the external N-channel MOSFET, pulled low when any input supply is low or an overcurrent timeout occurs; leave floating if unused."
      },
      {
        "number": "2",
        "name": "SEN1",
        "type": "input",
        "description": "Port 1 current sense input, measured differentially against KSENSA; tie to AGND if the port is not used."
      },
      {
        "number": "3",
        "name": "DRAIN1",
        "type": "input",
        "description": "Port 1 output voltage monitor and detect sense, with an internal resistor to VPWR except during detection or while the port is ON; leave floating or tie to AGND if unused."
      },
      {
        "number": "4",
        "name": "KSENSA",
        "type": "input",
        "description": "Kelvin point connection for the differential current-sense measurement of SEN1 and SEN2."
      },
      {
        "number": "5",
        "name": "DRAIN2",
        "type": "input",
        "description": "Port 2 output voltage monitor and detect sense, with an internal resistor to VPWR except during detection or while the port is ON; leave floating or tie to AGND if unused."
      },
      {
        "number": "6",
        "name": "SEN2",
        "type": "input",
        "description": "Port 2 current sense input, measured differentially against KSENSA; tie to AGND if the port is not used."
      },
      {
        "number": "7",
        "name": "GAT2",
        "type": "output",
        "description": "Port 2 gate drive output for the external N-channel MOSFET, pulled low when any input supply is low or an overcurrent timeout occurs; leave floating if unused."
      },
      {
        "number": "8",
        "name": "GAT3",
        "type": "output",
        "description": "Port 3 gate drive output for the external N-channel MOSFET, pulled low when any input supply is low or an overcurrent timeout occurs; leave floating if unused."
      },
      {
        "number": "9",
        "name": "SEN3",
        "type": "input",
        "description": "Port 3 current sense input, measured differentially against KSENSB; tie to AGND if the port is not used."
      },
      {
        "number": "10",
        "name": "DRAIN3",
        "type": "input",
        "description": "Port 3 output voltage monitor and detect sense, with an internal resistor to VPWR except during detection or while the port is ON; leave floating or tie to AGND if unused."
      },
      {
        "number": "11",
        "name": "KSENSB",
        "type": "input",
        "description": "Kelvin point connection for the differential current-sense measurement of SEN3 and SEN4."
      },
      {
        "number": "12",
        "name": "DRAIN4",
        "type": "input",
        "description": "Port 4 output voltage monitor and detect sense, with an internal resistor to VPWR except during detection or while the port is ON; leave floating or tie to AGND if unused."
      },
      {
        "number": "13",
        "name": "SEN4",
        "type": "input",
        "description": "Port 4 current sense input, measured differentially against KSENSB; tie to AGND if the port is not used."
      },
      {
        "number": "14",
        "name": "GAT4",
        "type": "output",
        "description": "Port 4 gate drive output for the external N-channel MOSFET, pulled low when any input supply is low or an overcurrent timeout occurs; leave floating if unused."
      },
      {
        "number": "15",
        "name": "NC",
        "type": "unconnected",
        "description": "No-connect pin, internally biased at 1/3 and 2/3 of VPWR to control the voltage gradient from VPWR; leave open."
      },
      {
        "number": "16",
        "name": "NC",
        "type": "unconnected",
        "description": "No-connect pin, internally biased at 1/3 and 2/3 of VPWR to control the voltage gradient from VPWR; leave open."
      },
      {
        "number": "17",
        "name": "VPWR",
        "type": "power_in",
        "description": "Analog 48-V positive supply, nominally 48 V with a recommended range of 44 V to 57 V; bypass with 0.1 µF to the AGND pin."
      },
      {
        "number": "18",
        "name": "NC",
        "type": "unconnected",
        "description": "No-connect pin, internally biased at 1/3 and 2/3 of VPWR to control the voltage gradient from VPWR; leave open."
      },
      {
        "number": "19",
        "name": "NC",
        "type": "unconnected",
        "description": "No-connect pin, internally biased at 1/3 and 2/3 of VPWR to control the voltage gradient from VPWR; leave open."
      },
      {
        "number": "20",
        "name": "ATST_DCPL0",
        "type": "output",
        "description": "Used for internal test purposes only; no bypass capacitor is needed."
      },
      {
        "number": "21",
        "name": "AGND",
        "type": "power_in",
        "description": "Analog ground; connect to the GND plane and the exposed thermal pad."
      },
      {
        "number": "22",
        "name": "NC",
        "type": "unconnected",
        "description": "No-connect pin; leave open."
      },
      {
        "number": "23",
        "name": "TEST0",
        "type": "bidirectional",
        "description": "Used internally for test purposes only; leave open."
      },
      {
        "number": "24",
        "name": "TEST1",
        "type": "bidirectional",
        "description": "Used internally for test purposes only; leave open."
      },
      {
        "number": "25",
        "name": "TEST2",
        "type": "bidirectional",
        "description": "Used internally for test purposes only; leave open."
      },
      {
        "number": "26",
        "name": "TEST3",
        "type": "bidirectional",
        "description": "Used internally for test purposes only; leave open."
      },
      {
        "number": "27",
        "name": "Resv",
        "type": "unconnected",
        "description": "Reserved no-connect pin; leave open."
      },
      {
        "number": "28",
        "name": "Resv",
        "type": "unconnected",
        "description": "Reserved no-connect pin; leave open."
      },
      {
        "number": "29",
        "name": "GAT5",
        "type": "output",
        "description": "Port 5 gate drive output for the external N-channel MOSFET, pulled low when any input supply is low or an overcurrent timeout occurs; leave floating if unused."
      },
      {
        "number": "30",
        "name": "SEN5",
        "type": "input",
        "description": "Port 5 current sense input, measured differentially against KSENSC; tie to AGND if the port is not used."
      },
      {
        "number": "31",
        "name": "DRAIN5",
        "type": "input",
        "description": "Port 5 output voltage monitor and detect sense, with an internal resistor to VPWR except during detection or while the port is ON; leave floating or tie to AGND if unused."
      },
      {
        "number": "32",
        "name": "KSENSC",
        "type": "input",
        "description": "Kelvin point connection for the differential current-sense measurement of SEN5 and SEN6."
      },
      {
        "number": "33",
        "name": "DRAIN6",
        "type": "input",
        "description": "Port 6 output voltage monitor and detect sense, with an internal resistor to VPWR except during detection or while the port is ON; leave floating or tie to AGND if unused."
      },
      {
        "number": "34",
        "name": "SEN6",
        "type": "input",
        "description": "Port 6 current sense input, measured differentially against KSENSC; tie to AGND if the port is not used."
      },
      {
        "number": "35",
        "name": "GAT6",
        "type": "output",
        "description": "Port 6 gate drive output for the external N-channel MOSFET, pulled low when any input supply is low or an overcurrent timeout occurs; leave floating if unused."
      },
      {
        "number": "36",
        "name": "GAT7",
        "type": "output",
        "description": "Port 7 gate drive output for the external N-channel MOSFET, pulled low when any input supply is low or an overcurrent timeout occurs; leave floating if unused."
      },
      {
        "number": "37",
        "name": "SEN7",
        "type": "input",
        "description": "Port 7 current sense input, measured differentially against KSENSD; tie to AGND if the port is not used."
      },
      {
        "number": "38",
        "name": "DRAIN7",
        "type": "input",
        "description": "Port 7 output voltage monitor and detect sense, with an internal resistor to VPWR except during detection or while the port is ON; leave floating or tie to AGND if unused."
      },
      {
        "number": "39",
        "name": "KSENSD",
        "type": "input",
        "description": "Kelvin point connection for the differential current-sense measurement of SEN7 and SEN8."
      },
      {
        "number": "40",
        "name": "DRAIN8",
        "type": "input",
        "description": "Port 8 output voltage monitor and detect sense, with an internal resistor to VPWR except during detection or while the port is ON; leave floating or tie to AGND if unused."
      },
      {
        "number": "41",
        "name": "SEN8",
        "type": "input",
        "description": "Port 8 current sense input, measured differentially against KSENSD; tie to AGND if the port is not used."
      },
      {
        "number": "42",
        "name": "GAT8",
        "type": "output",
        "description": "Port 8 gate drive output for the external N-channel MOSFET, pulled low when any input supply is low or an overcurrent timeout occurs; leave floating if unused."
      },
      {
        "number": "43",
        "name": "VDD",
        "type": "power_in",
        "description": "Digital 3.3-V supply (recommended 3.0 V to 3.6 V); bypass with 0.1 µF to the DGND pin."
      },
      {
        "number": "44",
        "name": "RESET",
        "type": "input",
        "description": "Active-low reset input that resets the TPS2388 when asserted low; internally pulled up to VDD with a 1-µs to 5-µs deglitch filter."
      },
      {
        "number": "45",
        "name": "INT",
        "type": "output",
        "description": "Open-drain interrupt output that asserts low when a bit in the interrupt register is asserted."
      },
      {
        "number": "46",
        "name": "DGND",
        "type": "power_in",
        "description": "Digital ground; connect to the GND plane and the exposed thermal pad."
      },
      {
        "number": "47",
        "name": "DTST_DCPL1",
        "type": "output",
        "description": "Used for internal test purposes only; no bypass capacitor is needed."
      },
      {
        "number": "48",
        "name": "A1",
        "type": "input",
        "description": "I2C address input A1, internally pulled up to VDD."
      },
      {
        "number": "49",
        "name": "A2",
        "type": "input",
        "description": "I2C address input A2, internally pulled up to VDD."
      },
      {
        "number": "50",
        "name": "A3",
        "type": "input",
        "description": "I2C address input A3, internally pulled up to VDD."
      },
      {
        "number": "51",
        "name": "A4",
        "type": "input",
        "description": "I2C address input A4, internally pulled up to VDD."
      },
      {
        "number": "52",
        "name": "Resv",
        "type": "unconnected",
        "description": "Reserved no-connect pin; leave open."
      },
      {
        "number": "53",
        "name": "SCL",
        "type": "input",
        "description": "Serial clock input for the I2C bus."
      },
      {
        "number": "54",
        "name": "SDAI",
        "type": "input",
        "description": "Serial data input for the I2C bus; can be connected to SDAO for non-isolated systems."
      },
      {
        "number": "55",
        "name": "SDAO",
        "type": "output",
        "description": "Open-drain serial data output for the I2C bus that requires an external pull-up; can be connected to SDAI for non-isolated systems."
      },
      {
        "number": "56",
        "name": "OSS",
        "type": "input",
        "description": "Active-high port 1-8 fast shutdown input with an internal 1-µs to 5-µs deglitch filter, internally pulled down to DGND."
      },
      {
        "number": "57",
        "name": "Thermal pad",
        "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: Thermal pad is the exposed pad that must connect to DGND and AGND, but it has no printed pin number,; The datasheet pin table lists NC pins 15, 16, 18, 19 with I/O type 'O', but the description says the; The per-port mapping of GATn, SENn, DRAINn and KSENSx to specific pin numbers is inferred from the o",
          "exposed pad 57 added from the footprint"
        ],
        "pages_sent": 11,
        "cost_usd": 0.1,
        "at": "2026-10-30T20:01:22"
      },
      "datasheet": {
        "url": "https://www.ti.com/lit/ds/symlink/tps2388rtqr.pdf",
        "pages": 87,
        "sha256": "f972665f18da3b8a",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 57,
        "described": 57,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "tps2388rtqr.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          8.0,
          8.0,
          1.0
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "54eb482f12c9d8b70c1bfc78306a1c34f412f3556e225cbd097840e5abdb7981",
        "checked": "2026-10-30",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "tps2388rtqr-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          8.0,
          8.0,
          1.0
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "34b56d514041fed39a60aeee93150f0fc40c16e0c46891129d41198342ee7e54",
        "checked": "2026-10-30",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ],
    "package_dims": {
      "package_code": "RTQ (RTQ0056H)",
      "source_page": 76,
      "D": {
        "nom_mm": 8.0,
        "range_mm": [
          7.9,
          8.1
        ]
      },
      "E1": {
        "nom_mm": 8.0,
        "range_mm": [
          7.9,
          8.1
        ]
      },
      "e": {
        "nom_mm": 0.5,
        "range_mm": [
          null,
          null
        ]
      },
      "A": {
        "nom_mm": 1.0,
        "range_mm": [
          null,
          1.0
        ]
      },
      "source": "datasheet package drawing, every number found on its page (extract_pins --task dims)",
      "model_check": {
        "file": "tps2388rtqr.step",
        "verdict": "PASS",
        "reasons": [
          "height within the datasheet's package drawing"
        ],
        "by": "factory/package_fit.py"
      }
    }
  }
}