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Texas Instruments TDP0604 DP++ HDMI 2.0 Redriver

Texas Instruments TDP0604 DP++ HDMI 2.0 Redriver supports data rates up to 6Gbps. It is backward compatible with HDMI 1.4b. The high-speed differential inputs and outputs can be either AC-coupled or DC-coupled, which qualifies the TDP0604 to be used as a DP++ (Dual-Mode DisplayPort) to HDMI level shifter or HDMI redriver.

The TDP0604 is a hybrid redriver supporting both source and sink applications. A hybrid redriver can operate either in a linear or limited redriver function. When configured as a limited redriver, the TDP0604 differential output voltage levels are independent of the graphics process unit (GPU) output levels ensuring HDMI compliant levels at the receptacle. The limited redriver mode is recommended for HDMI source applications. When configured as a linear redriver, the TDP0604 differential output levels are a linear function of the GPU output levels enabling TDP0604 to be transparent to link training and operate as a channel shortener. Linear redriver mode is recommended for HDMI sink applications.

The TDP0604 has an integrated HPD level shifter. The HPD level shifter will shift the 5V HPD signal to either 1.8V or 3.3V. The level shifter output can also be configured for push, pull, or open-drain. Also integrated into the TDP0604 is a Digital Display Control (DDC) buffer. The DDC buffer offers capacitance isolation and level shifters 5V DDC levels to as low as 1.2V levels. The integration of the level shifter eliminates discrete solutions and thereby saves system cost.

The Texas Instruments TDP0604 supports single power supply rails of 3.3V on VCC and is offered in a commercial temperature (TDP0604) and industrial temperature (TDP0604I).

Features

  • AC-coupled or DC-coupled input and output supporting HDMI 2.0 data rates up to 6Gbps
    • Backward compatible to HDMI 1.4b
  • Supports dual-mode DisplayPort (DP++)
  • Programmable receiver equalizer up to 12dB at 3GHz
  • I2C or pin strap programmable
  • Integrated HPD level shifter supporting both 1.8V and 3.3V LVCMOS levels
  • Integrated DDC buffer supporting as low as 1.2V levels
  • Full lane swap on main lanes
  • Digital display control (DDC) snooping function for link configuration
  • Low power consumption
    • 6Gbps active limited (215mW)
    • Power down (HPD_IN = L) (0.55mW)
  • Available in commercial and industrial temperature
  • Single 3.3V power supply
  • 40-pin, 0.4mm pitch, 4mm × 6mm, WQFN package

Applications

  • Notebooks and desktops
  • TV
  • Home theater and entertainment
  • Gaming systems
  • Docking stations
  • Pro audio, video, and signage

Functional Block Diagram

Block Diagram - Texas Instruments TDP0604 DP++ HDMI 2.0 Redriver

Texas Instruments TDP0604 DP++ HDMI 2.0 Redriver