Company Filing History:
Years Active: 2018-2023
Title: Innovations of Yi-Cheng Wan
Introduction
Yi-Cheng Wan is a notable inventor based in Singapore, known for his contributions to the field of electrical engineering. He has been granted two patents that showcase his innovative approach to energy harvesting and power supply regulation. His work is instrumental in advancing technology in these areas.
Latest Patents
One of Yi-Cheng Wan's latest patents is titled "Harvesting Ringing Energy Using a Bootstrap Circuit." This invention discloses an apparatus designed for harvesting ringing energy, which includes a bootstrap circuit. The bootstrap circuit features a bootstrap capacitor and a bootstrap switch. The switch is configured to accept an input voltage and charge the bootstrap capacitor via a body diode. This innovative design allows for a voltage at the second terminal of the bootstrap switch that exceeds the average input voltage.
Another significant patent is "Duty Cycle Estimator for a Switch Mode Power Supply." This invention includes a duty cycle estimation circuit that utilizes a latch circuit to receive a clock signal for a voltage regulator. The latch circuit outputs a duty cycle estimate, which is further processed by a low pass filter and a comparator. This setup enhances the efficiency of voltage regulation in power supplies.
Career Highlights
Yi-Cheng Wan is currently employed at Qualcomm Incorporated, a leading company in the field of telecommunications and semiconductor technology. His work at Qualcomm allows him to apply his innovative ideas in a practical setting, contributing to the development of advanced technologies.
Collaborations
Throughout his career, Yi-Cheng Wan has collaborated with talented individuals such as Ajay Kumar Kosaraju and Guolei Yu. These collaborations have fostered a creative environment that encourages the exchange of ideas and innovation.
Conclusion
Yi-Cheng Wan's contributions to the field of electrical engineering through his patents demonstrate his commitment to innovation. His work not only advances technology but also inspires future inventors in the industry.