Active Balance chipset used in large lithium-ion batteries provides monitoring, balancing and communication functions. With precise and reliable active balancing, Active Balance BMS enables bidirectional power transfer within each cell. Each EM1401EVM can manage 6 to 14 cells (up to 60V) in Li-ion battery applications. EM1401EVM modules can be stacked up to 1300V. The system provides fast cell balancing, diagnostic functions and modules for controller communication. An independent protection circuit is also provided.
• Active bidirectional cell balancing
• Multi-cell charge/discharge capability
• Isolated communications (5kV)
• Flexible architecture for use with 6 to 14 cells
• CAN bus interface
• High-accuracy battery voltage measurement
Blockdiagram
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