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TMDS181IRGZR

Public Made by Adom

by adom

Texas Instruments Global Sourcing Parts, VQFN-48-EP(7x7). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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TMDS181IRGZR

Texas Instruments · Global Sourcing Parts · VQFN-48-EP(7x7)

TMDS181IRGZR from Texas Instruments, in a VQFN-48-EP(7x7). Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 SWAP/POL input Input lane SWAP and polarity control pin; selects receive lane swap or polarity inversion mode.
2 IN_D2p input Channel 2 differential input positive.
3 IN_D2n input Channel 2 differential input negative.
4 HPD_SRC output Hot plug detect output to source side.
5 IN_D1p input Channel 1 differential input positive.
6 IN_D1n input Channel 1 differential input negative.
7 GND power_in Ground.
8 IN_D0p input Channel 0 differential input positive.
9 IN_D0n input Channel 0 differential input negative.
10 I2C_EN/PIN input I2C control mode enable pin; high enables I2C control, low enables pin strapping mode.
11 IN_CLKp input Clock differential input positive.
12 IN_CLKn input Clock differential input negative.
13 VCC power_in 3.3 V power supply.
14 VDD power_in 1.2 V power supply.
15 SCL_CTL input I2C clock signal for control interface.
16 SDA_CTL bidirectional I2C data signal for control interface.
17 SIG_EN input Signal detector circuit enable pin; high enables signal detect, low disables with internal weak pull down.
18 NC unconnected No connect.
19 GND power_in Ground.
20 PRE_SEL input De-emphasis control pin; low = -2 dB, no connect = 0 dB, high = reserved.
21 EQ_SEL/A0 input Input receive equalization control pin; low = fixed 7.5 dB, no connect = adaptive, high = fixed 14 dB.
22 VSADJ input TMDS-compliant voltage swing control pin with nominal 7.06 kΩ resistor to GND.
23 VDD power_in 1.2 V power supply.
24 VDD power_in 1.2 V power supply.
25 OUT_CLKn output TMDS data clock differential output negative.
26 OUT_CLKp output TMDS data clock differential output positive.
27 A1 input I2C address bit 2 for programming with weak internal pull down; leave no connect in pin strapping mode.
28 OUT_D0n output TMDS data 0 differential output negative.
29 OUT_D0p output TMDS data 0 differential output positive.
30 GND power_in Ground; thermal pad.
31 OUT_D1n output TMDS data 1 differential output negative.
32 OUT_D1p output TMDS data 1 differential output positive.
33 HPD_SNK input Hot plug detect input from sink side.
34 OUT_D2n output TMDS data 2 differential output negative.
35 OUT_D2p output TMDS data 2 differential output positive.
36 TX_TERM_CTL input Transmit termination control pin; high = no termination, low = 75-150 Ω, no connect = auto select.
37 VDD power_in 1.2 V power supply.
38 SCL_SNK bidirectional Sink side TMDS port bidirectional DDC clock line.
39 SDA_SNK bidirectional Sink side TMDS port bidirectional DDC data line.
40 NC unconnected No connect.
41 GND power_in Ground.
42 OE input Operation enable/reset pin; low = power down, high = normal operation with internal weak pull up.
43 VCC power_in 3.3 V power supply.
44 ARC_OUT bidirectional Audio return channel output.
45 SPDIF_IN bidirectional SPDIF signal input.
46 SCL_SRC bidirectional Source side TMDS port bidirectional DDC clock line.
47 SDA_SRC bidirectional Source side TMDS port bidirectional DDC data line.
48 VDD power_in 1.2 V power supply.
49 EP passive Exposed pad (from the footprint; not named in the datasheet pin table).

Key specifications

Parameter Value
Manufacturer Texas Instruments
Package VQFN-48-EP(7x7)
Category Global Sourcing Parts
Pins 49

CAD (KiCad official)

  • Symbol: TMDS181IRGZR
  • Footprint: Package_DFN_QFN:QFN-48-1EP_7x7mm_P0.5mm_EP5.15x5.15mm
  • 3D model: VQFN-48-EP(7x7) (KiCad packages3D, STEP)
  • 3D model files: tmds181irgzr-etched.step / tmds181irgzr-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); tmds181irgzr.step / tmds181irgzr.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: Texas Instruments datasheet (59 pp, sha256 80f8eef3073a8094, retrieved 2026-10-06, tier: lcsc)
  • Datasheet language: Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-4-5-20251001 (text), consensus claude-sonnet-5-5 (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF