Anvin Joe Manadan, Senior Electrical Engineer at Inventus Power, wrote an article for New Equipment Digest Magazine in June 2019 that provides options for designing monitoring and protection solutions for high-powered Li-ion battery packs.

Inventus Power, NED Article, Li-ion Monitoring SolutionsThe need for safe and portable power is increasing and so is the need for better monitoring and protection systems. Applications such as power tools require high-power battery systems in order to operate. These battery systems typically require cell combinations of five to seven cells in series to achieve higher power requirements. As the cell configuration increases, different approaches for monitoring and protection must be taken into consideration.

This article compares 3 different architectures that use different monitoring and protection devices. The functionalities of components within each architecture, the required interfaces, and the advantages and disadvantages of each architecture are highlighted.

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