Shun Fang Wu

Title: Shun Fang Wu: Innovator in Charge Pump Technology

Introduction

Shun Fang Wu is a notable inventor based in Shanghai, China. He has made significant contributions to the field of electrical engineering, particularly in the development of charge pump technology. His innovative work has led to the creation of a unique patent that enhances the efficiency of power conversion systems.

Latest Patents

Wu holds a patent for an "Asymmetric-amplitude dual-polarity charge pump with four-phase selectable operation." This invention involves a symmetric dual-voltage charge pump and its control circuit, which generates bipolar output voltages. The charge pump is designed to convert a unipolar power source into a set of dual-voltage outputs of opposite polarity that operate independently. The system includes two voltage-boosting transfer capacitors and two output capacitors. The two-phase operation allows for an increased-magnitude output voltage of negative polarity, while another two phases generate an increased output voltage of positive polarity. This innovative charge pump can selectively charge one or both bipolar outputs using individual 2-phase charge cycles or a sequence of charge cycles. By utilizing comparators with unequal reference voltages, the charge pump can achieve unequal positive and negative voltages, resulting in faster charge pumping since only two phases are required for charging either output.

Career Highlights

Shun Fang Wu is currently employed at Pericom Technology Co. Ltd. in Shanghai. His work at this company has allowed him to further develop his expertise in charge pump technology and contribute to advancements in the field. His innovative approach and dedication to research have positioned him as a key figure in electrical engineering.

Collaborations

Wu has collaborated with notable colleagues, including Paul Shu Huen Chan and Zhen Qin Luo. These partnerships have fostered a collaborative environment that encourages innovation and the sharing of ideas.

Conclusion

Shun Fang Wu's contributions to charge pump technology exemplify the spirit of innovation in electrical engineering. His patent and work at Pericom Technology Co. Ltd. highlight his commitment to advancing power conversion systems. Wu's achievements serve as an inspiration for future inventors in the field.