Specifications

Master Control Unit (MCU)
FEATURES DESCRIPTION
Operating temperature  
Power supply Galvanic isolated DC-DC conversion
Number of VBU’s supported per MCU Without multiplexing unit
With optional multiplexing unit
Number of MCU's in one configuration max Using 1 channel CAN-bus interface
Number of cells in series for total system (with 4 MCU configured in series -  tested)
Range of high voltage measurement per string maximum rating for isolation fault detection
Range of high voltage measurement multi master maximum rating for isolation fault detection
Accuracy of high voltage measurement idem cell measurement
Current measurement Analog inputs per string
Tandem configuration for dual range sensors
  Current direction detection for charging/discharging
Current typical sampling frequency Synchronous with slave voltage acquisition
String cell voltage Cells voltage acquisition on same MCU
Between 2 MCU's
Isolation fault detection (leakage) level Optional function
Active Consumption Without balancing activities
Active balancing current (4 channels)
Communication to Voltage Balancing Unit (VBU) patented design - serial interface
Supported CAN communication type CAN 2.0A/B 11 bit and 29 bit IDs
Number of CAN ports galvanic isolated tranceivers
External I/Os Isolated IO relay output (30V-8A)
isolated IO - Mosfet output (80V-8A)
Opto-isolated - open collector output (300V-150mA) 
Opto-isolated digital inputs
Charger control interfaces User configurable
Mechnical dimension single MCU Mechanical width
Mechanical height
Mechanical length
   
Voltage Balancing Unit (VBU)
FEATURES DESCRIPTION
Operating temperature  
Power supply patented design
Number of cells per VBU (or per string) Synchronous cell measurements
Cell voltage measurement Measurable cell voltage
Accuracy of cell voltage (over operating temperature)
Measurement resolution
Cell voltage measurement timings Cell voltage sampling frequency (MCU sync)
Single cell measurement
Between 2 cell strings on different MCU's
Temperature measurements Analog input
Temperature measurements - external NTC Synchronous temperature acquisition
Accuracy of cell temperature (NTC) 10kOhm NTC
Temperature typical sampling frequency (Determined by MCU)
Communication interface patented design
Active Consumption Without balancing current
Active balancing current
Dissipative balancing current
Sleep mode Consumption Low power mode
Cell balancing topology Dynamic, active and/or passive
Cell balancing current Active balancing current
Dissipative balancing current
single channel dimensions Mechanical width
Mechanical height
Mechanical length