Wei Gu

Title: Innovations by Wei Gu: Pioneering Power Converter Technology

Introduction

Wei Gu is an inventive force based in San Jose, California, holding a commendable portfolio of eight patents. His work is largely focused on advancements in power converter technologies, addressing challenges in efficient energy transfer and conversion systems.

Latest Patents

Among his latest innovations is the "Active-clamp current-fed push-pull converter for bidirectional power transfer." This apparatus includes a bidirectional power converter circuit featuring a primary circuit side with several switches, an isolation transformer, and a secondary circuit side separated from the primary side by the transformer. The secondary side of this circuit includes an inductor and a rectifier circuit designed to draw energy from the primary circuit and supply it back, while a clamp circuit is incorporated to prevent inductor current runaway by providing a reset voltage.

Another notable patent is the "High-voltage to low-voltage interface in power converter circuit." This UHV-LV interface circuit has multiple capabilities, such as initializing a primary controller of a power converter with a controlled startup charging profile, performing pulse-based line-voltage sensing with minimal power consumption while enhancing accuracy, and discharging capacitors like class-X2 capacitors with a stable supply voltage for the controller. It employs a single UHV device, such as a depletion-mode field-effect transistor (FET), to achieve its functions.

Career Highlights

Wei Gu has contributed his expertise to prominent technology companies including Supertex, Inc. and Linear Technology Corporation. His career showcases a strong commitment to innovation in power electronics, with a focus on refining systems that improve energy efficiency and reliability.

Collaborations

Throughout his career, Wei has collaborated with notable colleagues such as Alexander Mednik and David Schie. These professional relationships have further fostered the development of transformative technologies in the field of power conversion.

Conclusion

Wei Gu's contributions to power converter technology mark him as a significant inventor in his field. With a total of eight patents to his name, his innovative solutions continue to push the boundaries of energy management and efficiency, solidifying his role as a leader in the industry.