特性 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)