TMDS181IRGZR

{
  "slug": "tmds181irgzr",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Global Sourcing Parts, VQFN-48-EP(7x7). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "global sourcing parts",
    "tmds181irgzr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "tmds181irgzr.kicad_sym",
    "tmds181irgzr.kicad_mod",
    "tmds181irgzr.glb",
    "tmds181irgzr.step",
    "tmds181irgzr.lbr",
    "docs/hero.png",
    "docs/tmds181irgzr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "tmds181irgzr-hero.glb",
    "tmds181irgzr-hero.overlay.json"
  ],
  "component": {
    "mpn": "TMDS181IRGZR",
    "manufacturer": "Texas Instruments",
    "package": "VQFN-48-EP(7x7)",
    "pin_count": 49,
    "category": "Global Sourcing Parts",
    "subcategory": "Global Sourcing Parts",
    "datasheet": "https://www.ti.com/cn/lit/gpn/tmds181",
    "parts": {
      "symbol": "tmds181irgzr.kicad_sym",
      "footprint": "tmds181irgzr.kicad_mod",
      "model_3d": "tmds181irgzr-hero.glb",
      "model_3d_plain": "tmds181irgzr.glb",
      "model_3d_step": "tmds181irgzr-etched.step",
      "model_3d_step_plain": "tmds181irgzr.step",
      "lbr": "tmds181irgzr.lbr"
    },
    "distributor_links": {
      "lcsc": "C571207",
      "digikey": "296-48177-2-ND",
      "mouser": "595-TMDS181IRGZR"
    },
    "distributor_check": {
      "checked_at": "2026-10-06T03:14:52Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-48177-2-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-TMDS181IRGZR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "SWAP/POL",
        "type": "input",
        "description": "Input lane SWAP and polarity control pin; selects receive lane swap or polarity inversion mode."
      },
      {
        "number": "2",
        "name": "IN_D2p",
        "type": "input",
        "description": "Channel 2 differential input positive."
      },
      {
        "number": "3",
        "name": "IN_D2n",
        "type": "input",
        "description": "Channel 2 differential input negative."
      },
      {
        "number": "4",
        "name": "HPD_SRC",
        "type": "output",
        "description": "Hot plug detect output to source side."
      },
      {
        "number": "5",
        "name": "IN_D1p",
        "type": "input",
        "description": "Channel 1 differential input positive."
      },
      {
        "number": "6",
        "name": "IN_D1n",
        "type": "input",
        "description": "Channel 1 differential input negative."
      },
      {
        "number": "7",
        "name": "GND",
        "type": "power_in",
        "description": "Ground."
      },
      {
        "number": "8",
        "name": "IN_D0p",
        "type": "input",
        "description": "Channel 0 differential input positive."
      },
      {
        "number": "9",
        "name": "IN_D0n",
        "type": "input",
        "description": "Channel 0 differential input negative."
      },
      {
        "number": "10",
        "name": "I2C_EN/PIN",
        "type": "input",
        "description": "I2C control mode enable pin; high enables I2C control, low enables pin strapping mode."
      },
      {
        "number": "11",
        "name": "IN_CLKp",
        "type": "input",
        "description": "Clock differential input positive."
      },
      {
        "number": "12",
        "name": "IN_CLKn",
        "type": "input",
        "description": "Clock differential input negative."
      },
      {
        "number": "13",
        "name": "VCC",
        "type": "power_in",
        "description": "3.3 V power supply."
      },
      {
        "number": "14",
        "name": "VDD",
        "type": "power_in",
        "description": "1.2 V power supply."
      },
      {
        "number": "15",
        "name": "SCL_CTL",
        "type": "input",
        "description": "I2C clock signal for control interface."
      },
      {
        "number": "16",
        "name": "SDA_CTL",
        "type": "bidirectional",
        "description": "I2C data signal for control interface."
      },
      {
        "number": "17",
        "name": "SIG_EN",
        "type": "input",
        "description": "Signal detector circuit enable pin; high enables signal detect, low disables with internal weak pull down."
      },
      {
        "number": "18",
        "name": "NC",
        "type": "unconnected",
        "description": "No connect."
      },
      {
        "number": "19",
        "name": "GND",
        "type": "power_in",
        "description": "Ground."
      },
      {
        "number": "20",
        "name": "PRE_SEL",
        "type": "input",
        "description": "De-emphasis control pin; low = -2 dB, no connect = 0 dB, high = reserved."
      },
      {
        "number": "21",
        "name": "EQ_SEL/A0",
        "type": "input",
        "description": "Input receive equalization control pin; low = fixed 7.5 dB, no connect = adaptive, high = fixed 14 dB."
      },
      {
        "number": "22",
        "name": "VSADJ",
        "type": "input",
        "description": "TMDS-compliant voltage swing control pin with nominal 7.06 kΩ resistor to GND."
      },
      {
        "number": "23",
        "name": "VDD",
        "type": "power_in",
        "description": "1.2 V power supply."
      },
      {
        "number": "24",
        "name": "VDD",
        "type": "power_in",
        "description": "1.2 V power supply."
      },
      {
        "number": "25",
        "name": "OUT_CLKn",
        "type": "output",
        "description": "TMDS data clock differential output negative."
      },
      {
        "number": "26",
        "name": "OUT_CLKp",
        "type": "output",
        "description": "TMDS data clock differential output positive."
      },
      {
        "number": "27",
        "name": "A1",
        "type": "input",
        "description": "I2C address bit 2 for programming with weak internal pull down; leave no connect in pin strapping mode."
      },
      {
        "number": "28",
        "name": "OUT_D0n",
        "type": "output",
        "description": "TMDS data 0 differential output negative."
      },
      {
        "number": "29",
        "name": "OUT_D0p",
        "type": "output",
        "description": "TMDS data 0 differential output positive."
      },
      {
        "number": "30",
        "name": "GND",
        "type": "power_in",
        "description": "Ground; thermal pad."
      },
      {
        "number": "31",
        "name": "OUT_D1n",
        "type": "output",
        "description": "TMDS data 1 differential output negative."
      },
      {
        "number": "32",
        "name": "OUT_D1p",
        "type": "output",
        "description": "TMDS data 1 differential output positive."
      },
      {
        "number": "33",
        "name": "HPD_SNK",
        "type": "input",
        "description": "Hot plug detect input from sink side."
      },
      {
        "number": "34",
        "name": "OUT_D2n",
        "type": "output",
        "description": "TMDS data 2 differential output negative."
      },
      {
        "number": "35",
        "name": "OUT_D2p",
        "type": "output",
        "description": "TMDS data 2 differential output positive."
      },
      {
        "number": "36",
        "name": "TX_TERM_CTL",
        "type": "input",
        "description": "Transmit termination control pin; high = no termination, low = 75-150 Ω, no connect = auto select."
      },
      {
        "number": "37",
        "name": "VDD",
        "type": "power_in",
        "description": "1.2 V power supply."
      },
      {
        "number": "38",
        "name": "SCL_SNK",
        "type": "bidirectional",
        "description": "Sink side TMDS port bidirectional DDC clock line."
      },
      {
        "number": "39",
        "name": "SDA_SNK",
        "type": "bidirectional",
        "description": "Sink side TMDS port bidirectional DDC data line."
      },
      {
        "number": "40",
        "name": "NC",
        "type": "unconnected",
        "description": "No connect."
      },
      {
        "number": "41",
        "name": "GND",
        "type": "power_in",
        "description": "Ground."
      },
      {
        "number": "42",
        "name": "OE",
        "type": "input",
        "description": "Operation enable/reset pin; low = power down, high = normal operation with internal weak pull up."
      },
      {
        "number": "43",
        "name": "VCC",
        "type": "power_in",
        "description": "3.3 V power supply."
      },
      {
        "number": "44",
        "name": "ARC_OUT",
        "type": "bidirectional",
        "description": "Audio return channel output."
      },
      {
        "number": "45",
        "name": "SPDIF_IN",
        "type": "bidirectional",
        "description": "SPDIF signal input."
      },
      {
        "number": "46",
        "name": "SCL_SRC",
        "type": "bidirectional",
        "description": "Source side TMDS port bidirectional DDC clock line."
      },
      {
        "number": "47",
        "name": "SDA_SRC",
        "type": "bidirectional",
        "description": "Source side TMDS port bidirectional DDC data line."
      },
      {
        "number": "48",
        "name": "VDD",
        "type": "power_in",
        "description": "1.2 V power supply."
      },
      {
        "number": "49",
        "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-4-5-20251001",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "exposed pad 49 added from the footprint"
        ],
        "pages_sent": 12,
        "cost_usd": 0.2076,
        "at": "2026-10-06T03:14:33"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/tmds181",
        "pages": 59,
        "sha256": "80f8eef3073a8094",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 49,
        "described": 49,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    }
  }
}