Introduction to ESS industrial and commercial energy storage BMS solution based on MC33774

This article introduces the ESS industrial and commercial energy storage BMS solution launched by Ligong Technology and Qiuyuan Electronics. The solution is based on the MC33774 lithium battery management chip design of NXP and supports the secondary architecture of small and medium-sized energy storage and the three-level BMS architecture of medium and large energy storage. The solution includes BMU-BCC board, BMU-BSC board and BCMU board, which are responsible for battery management, communication and data processing functions respectively.