基于QI标准的无线充电系统设计与实现

Design and Implementation of Wireless Charging System Based on QI Standard

在电子科技的发展中,便携式设备扮演着越来越重要的角色,充电方式成为必须要考虑的问题,无线、非接触式充电的发展为便捷完成电子设备充电带来了无限可能。通过研究、比较电池性能和常见充电方法,提出一种基于QI标准的小功率无线充电系统。经测试,该系统在充电电源为5V/2A情况下,最大电流可达0.99A,电压5.11V,功率为5W,效率为65.38%。

With the development of electronic technology,portable devices are playing an important role.For the convenience of life,people hope to complete the charging of electronic devices through more convenient and non-contact methods.The development of wireless charging brings endless possibilities for our vision.This paper proposes a design method of small power wireless charging system based on QI standard through the research and comparison of battery performance and common charging methods。The test results show that the maximum current of the system is 0.99a,the voltage is 5.11v,the power is 5W and the efficiency is 65.38%when the charging power is 5V/2A.