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Power/Alternative Energy  

Fast cell balancing with external MOSFET

Posted: 21 Nov 2008  Print Version  Bookmark and Share Subscribe

Keywords: cell balancing  impedance  bq20zxx 

[Summary of tips] The need for cell balancing comes from the fact that cell-to-cell differences in self-discharge, capacity and impedance can lead to different charge states among the cells. However, the charger terminates the charge based on the summed voltage only, which may leave some cells undercharged and others overcharged. To remedy this ......
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