USB-C(USB Type-C) interfaces have achieved comprehensive coverage across all scenario terminals, including laptops, desktops, smartphones, monitors, and docking stations. With the concurrent growth of USB 3.2 Gen2(10Gbps)high-speed data transmission and DisplayPort 2.1(UHBR10)high-definition video casting demands, single-port USB-C needs to achieve flexible, low-loss switching and routing between USB ultra-high-speed signals and DP video signals. Traditional solutions often employ combinations of multiple discrete switches, which not only occupy valuable PCB area but also tend to introduce insertion loss, reflection, and jitter into high-speed signal paths, affecting eye diagram margin.
awinic has deeply cultivated the field of high-speed analog switches and now proudly launches AWS35722QNR —— a USB 3.2 Gen2 and DisplayPort 2.1 dual-mode10Gbps passive bidirectional crosspoint switch multiplexer (Crossbar Mux). This chip integrates a high-speed differential switch matrix and a low-speed AUX/SBU switch network, enabling full signal routing under USB-C Alternate Mode with a single component. Featuring core advantages such as 9.5GHz typical bandwidth, adaptive CMV tracking, andGPIO/I²C dual-mode control, it provides a one-stop signal switching solution with Type-C ecosystemhigh integration and high performance.
I. Product Overview
AWS35722 is ahigh-speed passive bidirectional crosspoint (Xbar) switch, supporting MUX/DEMUX configuration, enabling flexible switching betweenUSB Type-Cinterface USB 3.2 Gen2 SuperSpeed and DisplayPort 1.4/2.1(up to10Gbps UHBR10) signals. The chip supports Source(Host) and Sink(Device) dual-role applications, compatible with a differential common-mode voltage 0V~1.8V range, with a differential swing up to 1800mVpp.
II. Core Product Advantages
Product Advantage 1:9.5GHz Ultra-high bandwidth,10Gbps excellent eye diagram performance
AWS35722 Features 9.5GHz Typical -3dB Bandwidth, achieving at 5GHz frequency point -1.6dB Insertion Loss and -18dB Return Loss excellent dynamic characteristics. This means that after high-speed signals pass through the switch path,attenuation and reflection are controlled at extremely low levels, ensuring sufficient eye diagram opening.
As seen from the measured eye diagrams, at data rates of 8.1Gbps and 10Gbps, the signal eye diagrams with AWS35722 added show only minimal additional jitter compared with the baseline (without DUT). The eye height and eye width margins are ample, fully meeting the stringent signal integrity requirements of USB 3.2 Gen2 and DP 2.1 UHBR10.
Product Advantage Two:USB + DP Dual-mode Alt Mode switching, replacing multiple discrete switches with a single chip
AWS35722 Internally integrates a high-speed differential switch matrix and a low-speed switch network, capable of completing the following signal routing under USB-C Alternate Mode :
High-speed channel:4 lanes of DP differential pairs (DP0~DP3) and USB 3.2 SSTX/SSRX cross-switched to Type-C 's TX1/TX2,RX1/RX2
Low-speed channel:DPAUX ± and Type-C SBU1/SBU2 interconnection
A single chip can replace the multi-chip combination of traditional solutions including “high-speed MUX + low-speed switches + level shifters” ,significantly reducing the BOM count,PCB area, and routing complexity, releasing more design margin for space-constrained scenarios such as laptop motherboards and mobile phone sub-boards.
Product Advantage Three: Adaptive CMV tracking,0V~1.8V seamless adaptation across the full range
The common-mode voltage (CMV) of high-speed differential signals varies significantly due to differences in protocols, termination, and operating modes.AWS35722 awinic incorporates an adaptive CMV tracking circuit, operating from 0V to 1.8V Automatically adapts within the common-mode voltage range, ensuring the channel maintains stable on-state characteristics throughout theentire CMV range.Engineers do not need to perform additional biasing or compensation designs for different CMV scenarios,simplifying the system verification process.
Product Advantage 4:GPIO / I²C Dual-mode control, flexibly adapting to different system architectures
AWS35722 Supports two configuration methods, switchable with a single click via the MODE0 pin:
I²C In mode, theMODE1 pin can select 1.8V or 3.3V logic levels, compatible with the interface standards of mainstream AP andPD controllers. Dual-mode control allows awinic products to serve both ultra-low-cost solutions and meet the flexible configuration needs of high-end platforms. AWS35722
Product Advantage 5:6V Withstands voltage up to SBU, calmly handling plug-in surge risks
During USB-C plug-in operations, there is a risk of accidental high voltage on theSBU pins. TheAWS35722 pins of awinic products feature SBU voltage tolerance, effectively resisting abnormal events such as plug-in surges, improving overall plug-in reliability and port robustness, and reducing after-sales repair rates for end products. 6V
Product Advantage 6:72μA Ultra-low quiescent current, supporting long battery life for mobile devices
Despite supporting 10Gbps high-speed signal switching, the typical quiescent operating current of awinic products is onlyAWS35722 . In battery-powered or thermally constrained devices such as laptops and smartphones, it adds almost no system standby power consumption, achieving an ideal balance between 72μAhigh performance and low power consumption Type-C for full-featured interfaces on mobile platforms. “” III. Typical Application Scenarios
Laptops
Desktop motherboards: / Signal routing for full-featuredUSB-C interfaces, supportingUSB 3.2 + DP Alt Modeexpansion and one-cable display connectivity Docking Smartphones
Tablets: Single-port / enables multifunctional reuse for data transmission, fast charging, and screen casting USB-C Docking stations
Monitors:/ Dual-role compatibility, adapting to high-speed signal switching for upstream and downstream portsSource/Sink Ecosystem: Ensuring signal integrity for
Type-C ports in devices such as TVs, set-top boxes, and media players USB-C
IV. Conclusion
awinic AWS35722QNR With 9.5GHz ultra-high bandwidth,10Gbps dual-mode passive switching, adaptive CMV tracking,GPIO/I²C dual-mode control, and 6V SBU high voltage tolerance as core advantages, it provides highly integrated and reliable signal routing solutions forUSB Type-C Alternate Mode applications. A single chip can cover the high-speed switching requirements of USB 3.2 Gen2 and DisplayPort 2.1 UHBR10 , helping customers simplify design, reduce costs, and accelerate time-to-market.
In the future, awinic will continue to deepen its expertise in high-speed interfaces and signal chains, empowering the Type-C all-scenario interconnected ecosystem with more high-performance analog chip products.
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