Company Filing History:
1 out of 224 
1 out of 20 Years Active: 2010-2022
Title: Yongqiang Yu: Innovator in Power Management Technologies
Introduction
Yongqiang Yu is a notable inventor based in Chengdu, China, recognized for his contributions to power management technologies. He holds 2 patents that showcase his innovative approach to electrical engineering and battery management systems.
Latest Patents
One of his latest patents is titled "Switching converter, and control method and control circuit thereof." This invention involves a switching converter that efficiently converts a DC input voltage into a DC output voltage. The control circuit includes a compensation module that generates a ramp signal, a comparator that compares superimposed signals related to the output voltage and error signal, and a first RS flip-flop that generates a pulse width modulation signal. The driving module then converts this signal into a switching control signal, with the compensation module adaptively adjusting the slope of the ramp signal.
Another significant patent is the "Topology and method for dynamic charging current allocation." This invention describes a battery management system that includes a charger controller to manage the charging current based on the load status powered by the battery. The system intelligently selects a first charging current when the load is off and a second, lower charging current when the load is on. Additionally, the frequency of the counter is adjusted according to the load status, enhancing the efficiency of the charging process.
Career Highlights
Yongqiang Yu has worked with several prominent companies in the field, including O2micro International Limited and Hangzhou Silan Microelectronics Co., Ltd. His experience in these organizations has contributed to his expertise in power management solutions.
Collaborations
Throughout his career, Yongqiang has collaborated with talented professionals such as Stefan Maireanu and Chun Lu. These partnerships have fostered innovation and development in his projects.
Conclusion
Yongqiang Yu's work in power management technologies exemplifies his commitment to innovation and efficiency. His patents reflect significant advancements in the field, making him a valuable contributor to electrical engineering.