Battery and Current Sensors

High Voltage Current Sensing Module

We have developed a shunt-based current sensor for automotive applications in High Voltage Battery Management Systems for electric or hybrid vehicles.

The sensor provides information about current and temperature to Battery Management System ECU (Electronic Control Unit).
The Current Sensing Module (CSM) communicates via CAN interface.

Benefits & Features

  • Shunt/magnetic based current sensing
  • Compact design with integrated bus bar
  • Fits to high voltage battery systems: 400V/800V
  • Supports up to ASIL level D on system level
  • CAN interface
  • Includes galvanic isolation of high voltage and low voltage path

Technical Information

up to ±2000 A

Current measurement range

±1.0 %

Current measurement accuracy

-40° C … +85° C

Ambient temperature range

-40° C … +125° C

Temperature measurement range

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