Products

Battery Management Unit (BMU)

1x CAN-FD interface with signal improvement capability (SIC) 
1x gigabit Ethernet interface 
1x RS-485 interface 
4x TPL interface (Loopback mode supported) 
2x contactor drivers with pulse width modulation (PWM) economization and current monitoring 
1x precharge contactor driver 
PWM-based interlock pilot loop

Battery Management System

Cell balancing up to 300 mA
Voltage Measurement ±5 mV typical accuracy (IC)
Cell monitoring up to 56 per CMU per board
Temperature monitoring
Pressure monitoring for thermal runaway detection
Offboard communications with inductive isolation
Onboard communication with galvanic isolation

Battery Management System

Redundant current measurement with100 µΩ shunt (+/- 500 A) resistor & Hall sensor for current (from 0 A to 500 A)
High-voltage measurements (up to 1800 V) 
Isolation monitoring
Contactor & fuse monitoring
Shunt resistor temperature estimation