Yuehui Li

Title: Innovations and Contributions of Yuehui Li in Power Semiconductor Technology

Introduction

Yuehui Li, an accomplished inventor based in Shanghai, China, has made significant contributions to the field of power semiconductor technology. With a portfolio of six patents, he has demonstrated expertise in creating innovative solutions that enhance the efficiency and safety of power supply systems.

Latest Patents

Among his latest patents, Yuehui Li has developed a **Control circuit, system and method for switched-mode power supply**. This invention focuses on a control circuit designed to drive a first switch, converting an input voltage into an output voltage. The system includes an on-time control unit that processes signals related to switching frequency and current, efficiently determining the turn-off instant for the switch. This design notably prevents audible noise, stabilizes output voltage during load changes, and ensures the operational safety of the power supply.

In another patent, titled **Control circuit, control chip and power supply device**, Li implemented a control circuit that manages a constant-voltage closed-loop system. This innovation guides voltage feedback signals to align with reference voltage signals, achieving consistent output. The circuit intelligently adjusts voltage and current outputs when certain limits are surpassed, thereby promoting safety and efficiency in power delivery.

Career Highlights

Yuehui Li is associated with Shanghai Bright Power Semiconductor Co., Ltd., where he continues to advance the development of semiconductor technologies. His work at the company reflects a strong commitment to innovation in power supply solutions, showcasing his expertise in circuit design and control systems.

Collaborations

Throughout his career, Yuehui has collaborated with notable professionals, including his coworkers Yanmei Guo and Yihui Chen. These partnerships have contributed to the development of advanced technologies in the semiconductor industry, leading to patentable inventions that impact the market.

Conclusion

Yuehui Li's contributions to the field of power semiconductor technology underscore his role as an innovative inventor. With his latest patents addressing crucial challenges in power supply systems, he continues to shape the future of energy efficiency and safety in electronic devices. His collaboration with talented professionals further amplifies the impact of his work, solidifying his reputation as a leading figure in semiconductor innovations.