Jun Duan

Title: **Inventor Profile: Jun Duan from Shanghai, China**

Introduction

Jun Duan is a notable inventor based in Shanghai, China, recognized for his contributions to power converter technologies. With two patents to his name, he focuses on advancements that enhance the efficiency and functionality of electrical systems, particularly in the realm of isolated power supplies and adaptive control schemes.

Latest Patents

Duan’s latest patents include innovations in electrical power technology. The first patent, "Isolated power supply with input voltage monitor," describes a power converter that integrates an electrical isolation circuit between input and output nodes. This design features an input signal monitor node on the output side of the isolation circuit, enabling the peak detection circuit to monitor input signals. The converter is engineered to supply an output power signal that responds to the input signal, utilizing independently-switchable switches for enhanced control.

The second patent, "Adaptive dead time control scheme for switch mode power converter with synchronous rectifiers topology," introduces a novel adaptive dead time control scheme for switch mode power converters. This control scheme utilizes a controller that processes input signals representing the converter's output voltage to effectively operate the converter’s switching elements. The design allows for adaptive variation of the converter's 'dead time' in response to load current, using PWM signals for synchronous rectifier operations.

Career Highlights

Jun Duan has built his career working with reputable companies in the tech industry, including Analog Devices, Inc. and Analog Devices Global. His experience in these organizations highlights his commitment to developing innovative solutions in power electronics.

Collaborations

Throughout his career, Jun has collaborated with talented individuals such as Renjian Xie and Huailiang Sheng. Their combined expertise in technology development fosters a collaborative environment that enhances the innovation process within the field.

Conclusion

Jun Duan is an inventive force in the realm of power converter technologies, making significant strides with his patents that improve efficiency and adaptability. His work underlines the importance of innovation in addressing modern electrical challenges and showcases the dynamic contributions of inventors in advancing technology.