iSMART BCU is a compact and cost-effective BMS Control unit for automotive and industrial Application ranging from 12VDC up to 1200VDC. It manages max of 16 TTSMART BMS in stack configuration for rechargeable lithium batteries of any chemistry and from any battery supplier allowing you maximum battery sourcing freedom.

The BCU handles pack level measurements, data logging, application and charger interfaces.


  • 12VDC to 105VDC
  • Up to max. 16 TTSMART BMS in stacking configuration
  • User configurable I/0’s, RS485 Mod Bus & CAN Messages
  • Configurable Battery Parameters
  • Easy wiring and configurable
  • Embedded post processing for the RS485 Mod bus & CAN protocol
  • -40°C to +105°C Operational Range
  • Thermal Management (up to 3 no’s of Sensor)
  • Low power consumption
  • Data logging (1GB onboard)
  • Auto -off condition


Technical Specification:

1 System Voltage 12 – 105VDC
2 No. of stacking Max up to 16
3 capacity 2000Ah Max
4 Current consumption <150mA operating / 0 mA in sleep mode
5 Temperature Sensors 2 on DMB PCB and 6 for Battery pack monitoring NTC, 10KΩ @ 25 DegC, β Value: 3900
6 Coating 3M™ Novec™ electronic coating EGC-1700
7 Control IOs HV contactors, charge contactor, pre-charge contactor
8 Communication CAN bus 2.0 A&B for system integration, RS232 PC diagnostics interface
9 Protection Modes Capable to monitor and handle 22 safety critical error modes Capable to report 15 unique warnings conditions Capability to broadcast system status, errors and warnings over CAN
10 Temperature Specifications: Operational -40° to 105°C