A product Line of
Diodes Incorporated
diodes.com | 1-408-232-9100
PRODUCT BRIEF
PI3USB31532
3.3V, USB Type-CTM USB3.1 Gen2/DP1.4 6:4 Crossbar Switch
The PI3USB31532 is a 6:4 differential channel bi-directional
Crossbar switch solution for switching USB3.1 Gen1/Gen2 and/
or DP1.2/DP1.4 signals through USB3.0 Type-CTM connector.
It multiplexes either 1 lane of USB3.1 Gen1/Gen2, 1 lane of
USB3.1 Gen1/Gen2 and 2 channels of DP1.2/1.4 or 4 channels
of DP1.2/DP1.4 to the USB Type-CTM connector.
In addition, AUX+/- channels are also multiplexed to the Type-C
connector. PI3USB31532 offers excellent signal integrity for
high-speed signals and low power dissipation. Insertion loss is
-1.7dB and return loss is -15dB at 10Gb/s speed of USB3.1.
Applications
Features
Description
¼¼Routing USB3.1 Gen1/Gen2 SuperSpeed and DP1.2/DP1.4
signals through the USB Type-CTM Connector.
¼¼Applications include Ultrabook, 2 in 1 Notebook, Tablet, Mobile
Workstation, All In One PC, Monitor, Docking Station, Phone
¼¼6 Differential Channel to 2/4 Differential Channel Crossbar switch
¼¼USB 3.1 Gen2 10Gb/s Super Speed and DP 1.4 8Gb/s switching
to USB Type-CTM connector
Supports either pin control or I2C control to congure the mux
¼¼Low insertion loss: -1.7dB @ 10Gb/s
¼¼Return loss: -15dB @ 10Gb/s
¼¼CrossTalk: -38dB @ 10Gb/s
¼¼Off Isolation: -22dB @ 10Gb/s
¼¼-3dB Bandwidth : 8.3GHz
¼¼Multiplexes one of the following to USB Type-C connector:
àUSB3.1 Gen1/Gen2 signal only
àOne lane of USB3.1 Gen1/Gen2 signal and 2 channels
of DP1.2/DP1.4 or 4 channels of DP1.2/DP1.4 signal.
¼¼With DP1.2/DP1.4 operating, AUX+ and AUX- are muxed to
SBU pins. Max swing on SBU pins are from -0.35V to 3.95V
¼¼3.0V to 3.6V Power Supply.
¼¼Industrial Temperature Range: -40oC to 85oC
¼¼Packaging (Pb-free & Green):
à– 40- contact, TQFN(3 x6mm)
Notebook, Tablet, PC, AIO
USB3
DP1.3
I2C
I2C
I2C
Tx1, Rx1
Tx2, Rx2
USB3.1
I/O HUB
DP1.3 ReDriver
PI3DPX1203
PI3EQX1002B
USB 3.1 Gen 2
ReDriver
USB Type-C
Power Delivery
D0-D3
D+,D-
D+,D-
D+,D-
UART
AUDIO
D+,D-
CC1
CC2
SBU1,SBU2
Vbus
Tx-Rx
USB Type C Connector
BC1.2 Charging
PI5USB2546A
D+/-
Switch
To CPU
Chipset
TVS* PI3USB31532
Gen2
*TVS = Transient Voltage Supression
Application Diagram
Mode
Conf2/SDA
Conf1/SCL
Conf0/A1
A0
I2C
Register &
Control
SBU1/SBU2
SBU2/SBU1
TX+/RX+
TX-/RX-
RX+/TX+
RX-/TX-
DP0+
DP0-
DP1+
DP1-
DP2+
DP2-
DP3+
DP3-
TX1+/RX1+
TX1-/RX1-
RX1+/TX1+
RX1-/TX1-
TX2+/RX2+
TX2-/RX2-
RX2+/TX2+
RX2-/TX2-
Control Decode
CONF0CONF1CONF2
AUX+
AUX-
100KΩ100KΩ
100KΩ100KΩ
100KΩ100KΩ
100KΩ100KΩ
Mode1
Block Diagram
TM
