12-Cell, Lithium-Ion Battery Monitor for Automotive

Lithium Ion Battery Stack Monitor with Both Signal and Power Isolation. The AD7280A daisy chain obtains its power from the battery cells it monitors. The ADuM5401 includes an integrated dc-to dc converter, Which is used to power the high voltage side of the ADuM1201, Provide the VDRIVE supply to the AD7280A SPI interface, and provide the power-down signal to the AD7280A daisy chain circuit