Smart Interface ICs
Silicon Labs leverages its world-class mixed-signal design expertise to provide a family of high-performance interface devices that enable designers to differentiate their products and speed time-to-market. These mixed-signal IC products span different technologies and standards to enable quick and effective communication between two devices or functionalities.
Discover how to add USB connectivity to applications using legacy serial connections.
Download the USB Design Considerations white paper
Download the Silicon Labs’ USB Simplified white paper
Download the USB Bridge Solutions Guide

Interface Products
USB Connectivity Bridges
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USB MCUs
LCD Controllers
Ethernet Controllers
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Design Resources
Development Tools
System development is further simplified by evaluation kits that enable a complete evaluation and customization of the connectivity bridges. The USBXpress® development kit provides a complete host and device software solution for connecting the CP210x USB to UART bridge with the Universal Serial Bus (USB).
Request a Unique Product ID Number
Silicon Labs makes it easy. Customers may use their own vendor ID (VID), or they may use the Silicon Labs vender ID (VID) for USB products. If the Silicon Labs VID is used, the customer must request a unique product ID (PID).
USB Bridge Overview
Learn how to ease the burden of USB Connectivity with Silicon Labs' CP21xx USB Bridges in this USB bridge overview presentation.