A Fast Charging System Based On Charging Current Dynamic Adjustment Method

Jilong Guo, Qiming Guo, Xinghui Liu,Jiahao Kang, Bihua Yang,Jun Xie,Ximeng Guan, Jiasong Sun,Ze Yuan,Xiang Zou, Peng Wei,Xiaojun Yu, Zihong Liu

2018 IEEE INTERNATIONAL SYMPOSIUM ON CIRCUITS AND SYSTEMS (ISCAS)（2018）

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摘要

This paper presents a fast charging system for smart devices. A novel scheme of dynamically adjusted charging current based on voltage-current dual-loop control is employed to fully utilize the power of the adaptor and maximize the charging speed. Simulation and experiment show that at least 12% more battery can be charged by the proposed method within 5 minutes of fast charging, compared to the conventional fast charging scheme.

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关键词

fast charging, dynamic adjustment, charging current, smart devices, lithium battery, USB, Internet of Things

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