BMS Signal Transformers

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Everything you need to know

Battery Management Systems (BMS) connect to high-energy battery packs and manage the charging, discharging of the pack, as well as monitoring essential safety factors including temperature, state of charge and the state of health of the pack. Providing additional application protection, the BMS is able to connect the battery and disconnect it from the load or charging source as required.

This application note provides an overview of the key features of battery monitoring ICs typically specified in BMS. Background information on battery cell chemistries as they relate to the requirements for communications in high voltage BMS is included. An application example will be used to outline the technology benefits Bourns’ transformers deliver to meet these specifications.

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