Yihua Chang

Title: Yihua Chang: Innovator in DC-DC Converter Technology

Introduction

Yihua Chang is a prominent inventor based in Taoyuan, Taiwan. He has made significant contributions to the field of electrical engineering, particularly in the development of isolated resonant DC-DC converters. With a total of 2 patents to his name, Chang's work is recognized for its innovative approach to power conversion technology.

Latest Patents

Chang's latest patents include an isolated resonant DC-DC converter and a control method for these converters. The isolated DC-DC converter features a full-bridge switching stage, a resonant network, a transformer, an output stage, an isolated charge sensor, and a switch controller. This design allows for efficient power conversion by utilizing at least four active switches and a combination of inductors and capacitors in the resonant network. The control method he developed combines charge control with input voltage feedforward control and output current feedforward control, resulting in improved load transient response compared to traditional methods.

Career Highlights

Yihua Chang is currently employed at Delta Electronics, Inc., where he continues to push the boundaries of innovation in power electronics. His work has not only advanced the technology but has also contributed to the efficiency and reliability of power systems used in various applications.

Collaborations

Chang has collaborated with notable colleagues in his field, including Yuri Panov and Peter Mantovanelli Barbosa. These partnerships have fostered a creative environment that encourages the exchange of ideas and the development of cutting-edge technologies.

Conclusion

Yihua Chang's contributions to the field of DC-DC converters exemplify the spirit of innovation and dedication to advancing technology. His patents reflect a commitment to improving power conversion methods, making a lasting impact on the industry.