Dana’s M450 Master Controller is a rapid control prototyping embedded controller for Battery Management Systems. M450 Master Controller adopts isoSPI for communication with cell monitoring slaves. M450 Master Controller combines low voltage and high voltage in a single ECU providing cost optimized solution for our customers.

Hardware Specifications

Processor MPCS746C
Clock Rate 160MHz
Code Space 2302KiB
RAM Space 384KiB
Calibration Space 128KiB
Low Voltage Section Inputs
Communication 2x CAN
Analog Inputs 4x
Digital Inputs 7x
Ignition Wake-up 1x
Low Voltage Section Outputs
High Side Outputs 12x
Low Side Outputs 13x
Low Voltage Section Internal Features
  • Wake from Ignition Signal
  • Wake from real-time clock (RTC)
  • Reverse Battery Protection
  • Voltage reference for external sensors
Hight Voltage Section Inputs
Communication 2x CAN
Hight Voltage Pack Analog 1x (HVBAT)
High Voltage Auxiliary Analog 8x
Pack Isolation Detection Analog 1x
Current Shunt Input Pairs 2x
5V Analog Input 1x
isoSPI Channels 2x
Location Inside Pack
Supply Voltage 12V Bus (8V to 16V)
Dimensions 36.25 x 106 x 226.25 mm
Connectors 4x Molex STAC64; 1x JST TLDR
Vibration IEC 60068-2-64
Environmental Protection IP5K
BMU Master Control Features
  • Battery Pack Voltage Monitoring
  • Battery Pack Current Monitoring
  • Cell Monitoring and Balancing
  • CAN Communication
  • isoSPI Communication to Cell Modules
  • Diagnostics
  • Contactor Control
  • NVM Storage