Wenhui Dong

Title: Wenhui Dong: Innovator in Power Supply Technology

Introduction

Wenhui Dong is a notable inventor based in Shanghai, China. He has made significant contributions to the field of power supply technology, particularly in reducing standby power consumption in switching mode power supplies.

Latest Patents

Wenhui Dong holds a patent for a "Method and apparatus for reducing standby power of switching mode power supplies." This innovative apparatus is designed to couple a switching mode power supply (SMPS) controller to a rectified line voltage. It features a high-voltage startup transistor that provides a charging current during the startup phase of the SMPS controller while ensuring minimal current flow during normal operation. The design includes a switch that receives a control signal from the SMPS controller, allowing it to turn off during startup and on during normal operation. Additionally, a biasing device is integrated to maintain the startup transistor in an off state during normal operation, resulting in a significantly lower standby current.

Career Highlights

Wenhui Dong is currently employed at Bcd Semiconductor Manufacturing Limited, where he continues to develop innovative solutions in semiconductor technology. His work focuses on enhancing the efficiency and performance of power supply systems.

Collaborations

Wenhui has collaborated with talented coworkers, including Yajiang Zhu and Ruixia Fei, contributing to advancements in their field.

Conclusion

Wenhui Dong's innovative approach to reducing standby power in switching mode power supplies showcases his expertise and commitment to improving energy efficiency. His contributions are vital in the ongoing development of sustainable technology solutions.