TUSB546AI-DCI datasheet(29/49 Pages) TI1

29 / 49 page

USB3.1

Host

TUSB546A-DCI

DP 1.4

GPU

DP0P

DP0N

DP1P

DP1N

DP2P

DP2N

DP3P

DP3N

TX1N

TX1P

TX2P

TX2N

RX1P

RX1N

RX2P

RX2N

PCB Trace of Length XAB

PCB Trace of Length XEF

PCB Trace of Length XGH

PCB Trace of Length XCD

SSRXP

SSRXN

SSTXP

SSTXN

TUSB546A-DCI

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SLLSF14 – JUNE 2017

Product Folder Links: TUSB546A-DCI

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9 Application and Implementation

NOTE

Information in the following applications sections is not part of the TI component

specification, and TI does not warrant its accuracy or completeness. TI’s customers are

responsible for determining suitability of components for their purposes. Customers should

validate and test their design implementation to confirm system functionality.

9.1 Application Information

The TUSB546A-DCI is a linear redriver designed specifically to compensation for intersymbol interference (ISI)

jitter caused by signal attenuation through a passive medium like PCB traces and cables. Because the

TUSB546A-DCI has four independent DisplayPort 1.4 inputs, one upstream facing USB 3.1 Gen1 input, and two

downstream facing USB 3.1 Gen1 inputs, it can be optimized to correct ISI on all those seven inputs through 16

different equalization choices. Placing the TUSB546A-DCI between a USB3.1 Host/DisplayPort 1.4 GPU and a

USB3.1 Type-C receptacle can correct signal integrity issues resulting in a more robust system.

9.2 Typical Application

Figure 27. TUSB546A-DCI in a Host Application

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