Company Filing History:
Years Active: 2011
Title: Innovations of Qing-Hua Su in Power Adapter Technology
Introduction
Qing-Hua Su is a notable inventor based in Shanghai, China. He has made significant contributions to the field of power adapter technology. His innovative designs focus on enhancing the efficiency and stability of power adapters.
Latest Patents
One of Qing-Hua Su's key patents is titled "Power adapter with voltage-stabilized compensation." This invention features a pulse frequency modulation circuit that generates a driving pulse with a variable OFF time interval. This design effectively controls the power transformed and output by a transformer. Additionally, the power adapter includes an ancillary coil that induces a feedback signal on the secondary coil of the transformer. The pulse frequency modulation circuit is equipped with a time interval modulation unit that receives the feedback signal and a feedback compensation unit. The time interval modulation unit sets a level voltage compared to the feedback signal to generate a sample signal that modulates the OFF time interval. The feedback compensation unit provides a compensation signal to adjust the feedback or sample signal, thereby stabilizing the voltage output from the secondary side.
Career Highlights
Qing-Hua Su is currently employed at BCD Semiconductor Manufacturing Limited, where he continues to innovate in the field of semiconductor technology. His work has been instrumental in developing more efficient power solutions.
Collaborations
Qing-Hua Su collaborates with talented individuals such as Jian-Hua Duan and Rui-Xia Fei, who contribute to his projects and enhance the overall innovation process.
Conclusion
Qing-Hua Su's contributions to power adapter technology demonstrate his commitment to innovation and efficiency. His patent on voltage-stabilized compensation showcases his ability to address critical challenges in power management.