Gary Chunshien Wu

Introduction

Gary Chunshien Wu is a prominent inventor based in San Diego, CA, recognized for his significant contributions to power conversion technology. With a remarkable portfolio of 22 patents, Wu has been an influential figure in the field of multi-level power converters, helping to advance the efficiency and performance of modern electronic devices.

Latest Patents

Among his latest innovations, Wu has developed a series of patents related to efficient bootstrap supply generators. His invention outlines circuits and methods for providing a 'bootstrap' power supply specifically for level-shifter/driver (LS/D) circuits used in FET-based power converters. In a first embodiment, Wu introduces the use of linear regulators paired with a bootstrap capacitor to supply power for LS/D circuits in each tier of the converter. A second embodiment enhances this concept by implementing floating charge circuits that work together with bootstrap capacitors, thereby improving the supply for driver circuits across the multi-level converter.

In addition, Wu has also designed a multi-level DC-DC converter that allows for a broad range of output voltages, efficiently managing transitions between power zones. His innovative approach includes using real-time capacitor voltage measurements to balance capacitor voltages effectively. By incorporating lossless voltage balancing solutions with the capability for out-of-order state transitions, Wu's designs maintain capacitor performance while preventing overstress on the main converter switches.

Career Highlights

Gary Chunshien Wu has made notable contributions during his tenure at leading semiconductor companies, including Psemi Corporation and Peregrine Semiconductor Corporation. His focus on enhancing power conversion technologies has positioned him as a key innovator in the field.

Collaborations

Throughout his career, Wu has worked collaboratively with several esteemed colleagues, including David M. Giuliano and Gregory Szczeszynski. These partnerships have further enriched his inventive capabilities and have helped to drive advancements in semiconductor technologies.

Conclusion

Gary Chunshien Wu exemplifies the spirit of innovation in the power electronics field. With his extensive patent portfolio and collaborative efforts with other industry professionals, he continues to shape the future of power conversion technology, making significant strides toward more efficient and effective electronic systems. His work not only reflects his ingenuity but also the importance of collaboration and creativity in driving technological advancements.