USB PD Type-C Port Controllers

Our USB Type-C power controllers are dual-role PD compatible, compliant with the latest USB Type-C and PD standards.

USB PD Controllers for AC-DC Power

Our secondary-side USB PD Type-C controllers are for AC-DC switch mode power supply, supporting USB 2.0, 3.0 and other proprietary protocols.

USB PD Controllers for DC-DC Power

Our USB PD controllers with highly integrated functions can be applied for portable devices with USB Type-C receptacle as well as automotive applications.

USB Interface

We provides USB interface products, including USB VBUS over voltage protection and USB 2.0 data switches.


e-Marker ICs can be applied for cables that support Superspeed USB data transfer or cables that can carry currents higher than 3A to inform the Host about cable characteristics.

Documents and Tools

Selection Guides

Richtek Selection Guide [Oct., 2020]

Application Notes

Title Date Action
The Internal PI Compensator of an off-line Flyback Converter for USB Power Delivery Applications 2021/10/15
Introduction to Richtek USB Type-C Power Delivery Solutions 2018/12/18