TMDS171RGZT

{
  "slug": "tmds171rgzt",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Interface - Specialized, VQFN-48-EP(7x7). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "interface",
    "tmds171rgzt",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
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    "README.md",
    "tmds171rgzt.kicad_sym",
    "tmds171rgzt.kicad_mod",
    "tmds171rgzt.glb",
    "tmds171rgzt.step",
    "tmds171rgzt.lbr",
    "docs/hero.png",
    "docs/tmds171rgzt-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "tmds171rgzt-hero.glb",
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  "component": {
    "mpn": "TMDS171RGZT",
    "manufacturer": "Texas Instruments",
    "package": "VQFN-48-EP(7x7)",
    "pin_count": 49,
    "category": "Interface",
    "subcategory": "Interface - Specialized",
    "datasheet": "https://www.ti.com/cn/lit/gpn/tmds171",
    "parts": {
      "symbol": "tmds171rgzt.kicad_sym",
      "footprint": "tmds171rgzt.kicad_mod",
      "model_3d": "tmds171rgzt-hero.glb",
      "model_3d_plain": "tmds171rgzt.glb",
      "model_3d_step": "tmds171rgzt-etched.step",
      "model_3d_step_plain": "tmds171rgzt.step",
      "lbr": "tmds171rgzt.lbr"
    },
    "distributor_links": {
      "lcsc": "C2652928",
      "digikey": "296-43702-2-ND",
      "mouser": "595-TMDS171RGZT"
    },
    "distributor_check": {
      "checked_at": "2026-10-11T07:31:49Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-43702-2-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-TMDS171RGZT",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "SWAP/POL",
        "type": "input",
        "description": "3-level receive polarity and lane swap control: H swaps receive polarity (retimer mode only), L swaps receive lanes, and No Connect is normal operation."
      },
      {
        "number": "2",
        "name": "IN_D2p",
        "type": "input",
        "description": "Channel 2 differential TMDS input (fail-safe main link); the input common-mode range is VCC − 0.4 V to VCC + 0.1 V."
      },
      {
        "number": "3",
        "name": "IN_D2n",
        "type": "input",
        "description": "Channel 2 differential TMDS input (fail-safe main link); the input common-mode range is VCC − 0.4 V to VCC + 0.1 V."
      },
      {
        "number": "4",
        "name": "HPD_SRC",
        "type": "output",
        "description": "Hot plug detect output to the source side."
      },
      {
        "number": "5",
        "name": "IN_D1p",
        "type": "input",
        "description": "Channel 1 differential TMDS input (fail-safe main link); the input common-mode range is VCC − 0.4 V to VCC + 0.1 V."
      },
      {
        "number": "6",
        "name": "IN_D1n",
        "type": "input",
        "description": "Channel 1 differential TMDS input (fail-safe main link); the input common-mode range is VCC − 0.4 V to VCC + 0.1 V."
      },
      {
        "number": "7",
        "name": "GND",
        "type": "power_in",
        "description": "Ground."
      },
      {
        "number": "8",
        "name": "IN_D0p",
        "type": "input",
        "description": "Channel 0 differential TMDS input (fail-safe main link); the input common-mode range is VCC − 0.4 V to VCC + 0.1 V."
      },
      {
        "number": "9",
        "name": "IN_D0n",
        "type": "input",
        "description": "Channel 0 differential TMDS input (fail-safe main link); the input common-mode range is VCC − 0.4 V to VCC + 0.1 V."
      },
      {
        "number": "10",
        "name": "I2C_EN/PIN",
        "type": "input",
        "description": "High puts the device in I2C control mode; low puts it in pin-strap mode."
      },
      {
        "number": "11",
        "name": "IN_CLKp",
        "type": "input",
        "description": "Clock differential TMDS input (fail-safe main link); the input common-mode range is VCC − 0.4 V to VCC + 0.1 V."
      },
      {
        "number": "12",
        "name": "IN_CLKn",
        "type": "input",
        "description": "Clock differential TMDS input (fail-safe main link); the input common-mode range is VCC − 0.4 V to VCC + 0.1 V."
      },
      {
        "number": "13",
        "name": "VCC",
        "type": "power_in",
        "description": "3.3 V power supply (3.135 V to 3.465 V, nominal 3.3 V)."
      },
      {
        "number": "14",
        "name": "VDD",
        "type": "power_in",
        "description": "1.2 V power supply (1.1 V to 1.27 V, nominal 1.2 V)."
      },
      {
        "number": "15",
        "name": "SCL_CTL",
        "type": "bidirectional",
        "description": "I2C clock signal used when I2C_EN/PIN is high; it is not changed by I2C when I2C_EN/PIN is low."
      },
      {
        "number": "16",
        "name": "SDA_CTL",
        "type": "bidirectional",
        "description": "I2C data signal used when I2C_EN/PIN is high; it is not changed by I2C when I2C_EN/PIN is low."
      },
      {
        "number": "17",
        "name": "SIG_EN",
        "type": "input",
        "description": "Signal detector enable: L disables the signal detect circuit with termination always connected (default), and H enables it so that the device enters standby when no valid clock is present; 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": "3-level de-emphasis control when I2C_EN/PIN is low: L = −2 dB, No Connect = 0 dB, H = reserved; controlled through I2C when I2C_EN/PIN is high."
      },
      {
        "number": "21",
        "name": "EQ_SEL/A0",
        "type": "input",
        "description": "3-level receive equalization strap when I2C_EN/PIN is low: L = fixed 7.5 dB, No Connect = adaptive EQ, H = fixed 14 dB; address bit 1 when I2C_EN/PIN is high."
      },
      {
        "number": "22",
        "name": "VSADJ",
        "type": "input",
        "description": "TMDS output voltage swing control; nominal 7.06 kΩ (1%) resistor to GND."
      },
      {
        "number": "23",
        "name": "VDD",
        "type": "power_in",
        "description": "1.2 V power supply (1.1 V to 1.27 V, nominal 1.2 V)."
      },
      {
        "number": "24",
        "name": "VDD",
        "type": "power_in",
        "description": "1.2 V power supply (1.1 V to 1.27 V, nominal 1.2 V)."
      },
      {
        "number": "25",
        "name": "OUT_CLKn",
        "type": "output",
        "description": "Clock differential TMDS output (fail-safe main link)."
      },
      {
        "number": "26",
        "name": "OUT_CLKp",
        "type": "output",
        "description": "Clock differential TMDS output (fail-safe main link)."
      },
      {
        "number": "27",
        "name": "A1",
        "type": "input",
        "description": "High address bit 2 for I2C programming with an internal weak pull-down; leave as No Connect when I2C_EN/PIN is low."
      },
      {
        "number": "28",
        "name": "OUT_D0n",
        "type": "output",
        "description": "TMDS data 0 differential output (fail-safe main link)."
      },
      {
        "number": "29",
        "name": "OUT_D0p",
        "type": "output",
        "description": "TMDS data 0 differential output (fail-safe main link)."
      },
      {
        "number": "30",
        "name": "GND",
        "type": "power_in",
        "description": "Ground."
      },
      {
        "number": "31",
        "name": "OUT_D1n",
        "type": "output",
        "description": "TMDS data 1 differential output (fail-safe main link)."
      },
      {
        "number": "32",
        "name": "OUT_D1p",
        "type": "output",
        "description": "TMDS data 1 differential output (fail-safe main link)."
      },
      {
        "number": "33",
        "name": "HPD_SNK",
        "type": "input",
        "description": "Hot plug detect input from the sink side."
      },
      {
        "number": "34",
        "name": "OUT_D2n",
        "type": "output",
        "description": "TMDS data 2 differential output (fail-safe main link)."
      },
      {
        "number": "35",
        "name": "OUT_D2p",
        "type": "output",
        "description": "TMDS data 2 differential output (fail-safe main link)."
      },
      {
        "number": "36",
        "name": "TX_TERM_CTL",
        "type": "input",
        "description": "3-level transmit termination control: H = no transmit termination, L = reserved, No Connect = automatic selection (150-300 Ω differential near-end termination for 2 Gbps < DR ≤ 3.4 Gbps, none below 2 Gbps)."
      },
      {
        "number": "37",
        "name": "VDD",
        "type": "power_in",
        "description": "1.2 V power supply (1.1 V to 1.27 V, nominal 1.2 V)."
      },
      {
        "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: L = power-down mode, H = normal operation; internal weak pull-up, and a H-to-L transition resets the device."
      },
      {
        "number": "43",
        "name": "VCC",
        "type": "power_in",
        "description": "3.3 V power supply (3.135 V to 3.465 V, nominal 3.3 V)."
      },
      {
        "number": "44",
        "name": "ARC_OUT",
        "type": "output",
        "description": "Audio return channel output."
      },
      {
        "number": "45",
        "name": "SPDIF_IN",
        "type": "input",
        "description": "S/PDIF signal input for the audio return channel."
      },
      {
        "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 (1.1 V to 1.27 V, nominal 1.2 V)."
      },
      {
        "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-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The thermal pad (exposed die pad, Ground) is not a numbered pin and is not in the 48-pin list; it sh; The datasheet gives IN_Dx and OUT_Dx pairs as one line ('p/n' or 'n/p') with two pin numbers. I mapp; Pin types for the supply pins (VCC, VDD) and ground use power_in, following the instruction that GND",
          "exposed pad 49 added from the footprint"
        ],
        "pages_sent": 12,
        "cost_usd": 0.0982,
        "at": "2026-10-11T07:31:30"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/tmds171",
        "pages": 63,
        "sha256": "f4e095e1a42e2b25",
        "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"
    },
    "models_3d": [
      {
        "file": "tmds171rgzt.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          7.0,
          7.0,
          0.77
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "f2b38b0b4bf967c77e683e8d4599608b9f0503055ec535b93c4ebb5d0163e916",
        "checked": "2026-10-11",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "tmds171rgzt-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "0b8060ff09263729df1b795a6474a0f757fc8c8641294c5cb9d0e428755b97e9",
        "checked": "2026-10-11",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}