基于片外Flash编程加载的无线充电SoC系统的设计与实现  

Design and implementation of wireless charging SoC system based on off-chip Flash programming and loading

作　　者：徐圣楠 傅桂娥 王维 张一晋[1] Xu Shengnan;Fu Guie;Wang Wei;Zhang Yijin(School of Electronic and Optical Engineering,Nanjing University of Science and Technology,Nanjing 210094,China;Nanjing Ruihe Electronics Co.Ltd.,Nanjing 210018,China;No.8 Institute of China State Shipbuilding Co.,Ltd.,Nanjing 211100,China)

机构地区：[1]南京理工大学电子工程与光电技术学院,江苏南京210094 [2]南京睿赫电子有限公司,江苏南京210018 [3]中国船舶集团有限公司第八研究院,江苏南京211100

出　　处：《电子技术应用》2021年第2期72-76,共5页Application of Electronic Technique

基　　金：中央高校基本科研业务费专项基金(30920021127)。

摘　　要：无线充电技术能使充电器摆脱线路的束缚,实现电源和电器完全分离,相较于传统充电具有更佳的灵活性和安全性。尽管如此,目前市场上的无线充电器普遍价格昂贵,不利于推广,因此急需成本低且充电性能良好的无线充电系统走进人们的生活。研究了基于片外Flash编程加载的无线充电SoC系统,提出该系统的设计和实现方法,总结该无线充电系统在应用中存在的看门狗复位及低功耗问题,并且提出了相应的解决方案。实验结果表明,该无线充电SoC系统在价格低廉的优势下能够满足小型化、低功耗的设计要求,并且具有优异的无线能量传输性能。The wireless charging technology can make the charger get rid of the restrictions of the line,realize the complete separation of electrical appliances and power supply,and have better safety and flexibility than traditional charging.However,at present,the wireless chargers in the market are expensive and thus are not conducive to promotion.Therefore,a wireless charging system with low cost and good charging performance is urgently needed to enter people′s lives.This paper provides a solution of the wireless charging SoC system based on off-chip Flash programming and loading,and elaborates the wireless charging system architecture.The problems of resetting watchdog and low power consumption in implementation are summarized,and the corresponding strategies are provided.Experiment results show that the proposed wireless charging system SoC system can meet the design requirements of miniaturization and low power consumption,and is able to provide good wireless energy transmission performance.

关 键 词：无线充电 SOC 片外Flash 

分 类 号：TN86[电子电信—信息与通信工程] TM724[电气工程—电力系统及自动化]