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TUSB564 Datasheet(PDF) 34 Page - Texas Instruments

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Part # TUSB564
Description  TUSB564-Q1 Automotive USB Type-C® DP Alt Mode 8.1Gbps Sink-Side Linear Redriver Crosspoint Switch
PDF  52 Pages
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

TUSB564 Datasheet(HTML) 34 Page - Texas Instruments

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The use-case with the AUX-to-SBU switching performed by an external device is shown in Figure 8-4. In
this case, it is assumed that the PD controller is capable of correcting the polarity inversion of the AUX
signal and the TUSB564-Q1 is provided with the corrected polarity of the AUX signal through its AUXp/AUXn
pins. If the TUSB564-Q1 device configuration is through the I2C Mode, disable AUX snooping by setting
AUX_SNOOP_DISABLE register 0x13[7] = 1'b1. The DisplayPort sink device must handle the polarity inversion
of the Main Link signals as well as the Main Link lane swapping.
SBU1
SBU2
AUXn
AUXp
TUSB564
SBU2
SBU1
AUXP
AUXN
PD Controller
SBU2
SBU1
1M (+/-5%)
1M (+/-5%)
AUXP
AUXN
SRC_DET#
SRC_DET
100nF
100nF
DP SINK
3.3V
Make AUX connections as short as
possible to minimize stub effects
DP0
DP1
DP2
DP3
TX1
RX1
RX2
TX2
ML0
ML1
ML2
ML3
Copyright © 2017, Texas Instruments Incorporated
2M
2M
Figure 8-4. DisplayPort AUX Connections for UFP_D Pin Assignment E with External AUX Switching
8.2.3 Application Curve
Frequency (GHz)
0
2
4
6
8
10
12
14
16
-60
-55
-50
-45
-40
-35
-30
-25
-20
-15
-10
-5
0
D009
Length=12in, Width=6mil
Length=16in, Width=6mil
Length=20in, Width=6mil
Length=24in, Width=6mil
Length=4in, Width=4mil
Length=8in, Width=10mil
Length=8in, Width=6mil
Figure 8-5. Insertion Loss of FR4 PCB Traces
TUSB564-Q1
SLLSFO9A – MAY 2024 – REVISED SEPTEMBER 2024
www.ti.com
34
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Copyright © 2024 Texas Instruments Incorporated
Product Folder Links: TUSB564-Q1



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