component
TMDS181IRGZR
Public Made by Adomby adom
Texas Instruments Global Sourcing Parts, VQFN-48-EP(7x7). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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"type": "component",
"slug": "tmds181irgzr",
"title": "TMDS181IRGZR",
"brief": "Texas Instruments Global Sourcing Parts, VQFN-48-EP(7x7). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"version": "0.1.0",
"license": "CC-BY-SA-4.0",
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"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",
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"lbr": "tmds181irgzr.lbr"
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"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",
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"pn": "296-48177-2-ND",
"status": "found",
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"pn": "595-TMDS181IRGZR",
"status": "found"
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},
"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": {
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"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": [
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],
"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,
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"refuses_to_fabricate": true
}
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"metadata": {
"specs": {
"Manufacturer": "Texas Instruments",
"Package": "VQFN-48-EP(7x7)",
"Category": "Global Sourcing Parts",
"Pins": "49"
}
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"email": "[email protected]"
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