A high-efficiency 6.78-MHz full active rectifier with adaptive time delay control for wireless power transmission

• Main Authors: Bai, Xiaoyin, Kong, Zhi-Hui, Siek, Liter
• Other Authors: School of Electrical and Electronic Engineering
• Format: Article
• Language: English
• Published: 2021
• Subjects: Engineering::Electrical and electronic engineering; 6.78 MHz; Wireless Power Transfer (WPT)
• Online Access: https://hdl.handle.net/10356/152137
• Institution: Nanyang Technological University

This paper presents a full active rectifier consisting of GaN devices and a CMOS controller designed for wireless power transmission in high-power consumer devices. An adaptive time delay control circuit is developed to maximize the conduction interval of the GaN switch, which can significantly redu...