標題: A Li-Ion Battery Charger With Smooth Control Circuit and Built-In Resistance Compensator for Achieving Stable and Fast Charging
作者: Lin, Chia-Hsiang
Hsieh, Chun-Yu
Chen, Ke-Horng
電控工程研究所
Institute of Electrical and Control Engineering
關鍵字: Built-in resistance compensator (BRC);charger;fast charging;Li-ion cell;smooth control circuit (SCC)
公開日期: 1-Feb-2010
摘要: A built-in resistance compensator (BRC) technique is presented to speed up the charging time of a lithium-ion battery. A smooth control circuit (SCC) is proposed to ensure the stable transition from the constant-current (CC) to the constant-voltage (CV) stage. Due to the external parasitic resistance of the Li-ion battery-pack system, the charger circuit switches from the CC to the CV stage without fully charging the cell. The BRC technique dynamically estimates the external resistance to extend the CC stage. The experimental results show that the period of the CC stage can be extended to 40% of that of the original design. The charging time is effectively reduced.
URI: http://dx.doi.org/10.1109/TCSI.2009.2023830
http://hdl.handle.net/11536/5870
ISSN: 1549-8328
DOI: 10.1109/TCSI.2009.2023830
期刊: IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS I-REGULAR PAPERS
Volume: 57
Issue: 2
起始頁: 506
結束頁: 517
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