Cell Supervision Unit (CSU) for 6 to 18 cells, stackable for high-voltage BMS. Optional bus-bar support
High-accuracy cell voltage measurement and integrated cell-balancing
Wired: Isolated differential daisy chain with optional ring architecture, capacitive and inductive isolation
Wireless: wireless state of charge (SoC), ISO26262 and IEC61508 certified on system-level Automotive Safety Integrity Level D (ASIL D) capability
Various additional interfacing options for communication and environmental sensor integration: universal asynchronous receiver-transmitter (UART), serial peripheral interface (SPI), general purpose IO (GPIO), I2C
Optional DCDC for increased system efficiency during key-off and active states