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Cell balancing management for battery pack

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4 Author(s)
Lin Hu ; Institute of VLSI Design, Zhejiang University, Hangzhou 310027, China ; Meng-Lian Zhao ; Xiao-Bo Wu ; Jia-Na Lou

This paper presents a cell balancing management for battery pack. It is used for each cell in battery pack to protect pack from damages such as overheating and overvoltage taken by the different performances between different cells, it manages individual cell with CC-CV charging strategy, shunts charge current smoothly to protect every cell preferably; in order to be suitable for different charge conditions, the smooth shunting voltage reference is set by actual battery pack charge current. The design chooses Li-ion battery whose full voltage is 4.2v as the example. And the design is accomplished under the TSMC 0.35um technology.

Published in:

Solid-State and Integrated Circuit Technology (ICSICT), 2010 10th IEEE International Conference on

Date of Conference:

1-4 Nov. 2010