Features
• Voltage monitoring of up to 9 battery cells connected in series
• Hot plugging support
• Dedicated 16-bit high precision delta-sigma ADC for each cell with
selectable measurement mode
• High-accuracy measurement with typical ±0.2 mV initial accuracy at
ambient temperature with a typical lifetime adder of 1 LSB after 10 years of
usage
• Integrated stress sensor with digital compensation algorithm and
temperature-compensated measurements
• Secondary ADC with identical averaging filter characteristics as advanced
end-to-end safety mechanism
• Five temperature measurement channels for external NTC elements
• Two internal temperature sensors
• Integrated balancing switch allows up to 200 mA balancing current
• Differential robust serial 2 Mbit/s communication interface with up to 38
devices
• Additional four GPIO pins to e.g. connect an external EEPROM and PWM
driver
• Internal round robin cycle routine triggers majority of diagnostics
mechanisms
- Automatic balancing overcurrent and undercurrent detection
- Automatic open load and open wire detection
- Automatic NTC measurement unit monitoring
• End-to-end CRC secured iso UART/UART communication
• Wake from bus capability (EMM)
• ISO 26262 Safety Element out of Context for safety requirements up to
ASIL D
• Green Product (RoHS compliant)