Low cost digital-analog hybrid controlled photovoltaic battery charger based on interleaved BCM boost converter and improved MPPT algorithm

Peng, Kunsheng; Xie, Xiaogao; Li, Jiangsong

doi:10.1109/ecce.2015.7310362

Cited by 2 publications

(1 citation statement)

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“…Consequently, the robustness of the voltage transfer circuit directly determines the security performance of the lithium battery. Besides, cost is also one of the important considerations of management chip [16][17][18][19][20][21].…”

Section: Introductionmentioning

confidence: 99%

Improved voltage transfer method for lithium battery string management chip

Wang

Chen

et al. 2021

IET Circuits, Devices & Systems

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In order to cut the costs and overcome the leakage current of batteries caused in traditional method, this study introduces an improved voltage transfer method for lithium battery string management chip. This proposed circuit based on the improved voltage transfer method is fabricated in 180-nm Bipolar-CMOS-DMOS is correct technology, and has been successfully applied to a three lithium batteries string management chip. These measurements indicate that this circuit transfers each cell's voltage reliably and adopt protection against abnormal conditions. Furthermore, analysis of 50 samples shows that the improved method can greatly eliminate the battery leakage. The circuit reduces the leakage current to nanoampere scale and is integrated into the lithium battery string management chip, which is helpful for battery voltage balance and low cost.This is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.

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