Company Filing History:
Years Active: 2023-2025
Title: Innovations of Shengfeng Li
Introduction
Shengfeng Li is a notable inventor based in Shenzhen, China. He has made significant contributions to the field of power conversion technology. With a total of 2 patents, his work focuses on enhancing the efficiency and responsiveness of power supply systems.
Latest Patents
One of his latest patents is a "Power conversion circuit for quick response and switching power supply." This invention discloses a power conversion circuit designed for quick response, utilizing an error compensation signal derived from a sampled output feedback signal or average current through an inductor. The system generates a PWM control signal based on this error compensation signal, a ramp signal, and a proportional signal. This allows for effective control of the switching operations of a main power switch transistor, ensuring rapid response to transient changes in input voltage or output signals, thereby providing stable output.
Another significant patent is the "Power converter, method for driving switching transistors and a power supply system thereof." This invention includes a switching transistor, a transformer, and a control circuit. The control circuit determines a target voltage during the conduction of the switching transistor. It employs different driving currents based on the target voltage's relation to a reference voltage, optimizing the performance of the switching transistor throughout its operational stages.
Career Highlights
Shengfeng Li has worked with several companies, including Huayuan Semiconductor and Joulwatt Technology. His experience in these organizations has contributed to his expertise in power electronics and circuit design.
Collaborations
He has collaborated with notable colleagues such as Chunming Guo and Chenglong Zhang, further enhancing his innovative capabilities through teamwork and shared knowledge.
Conclusion
Shengfeng Li's contributions to power conversion technology through his patents and collaborations highlight his role as a significant inventor in the field. His work continues to influence advancements in efficient power supply systems.