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  • High Voltage Current Sensor Module

    • Portfolio for Current Sensing Modules (CSM) 

    and High Voltage Safety Unit (HVSU)

    We have developed Shunt and Hall based current sensors and a High Voltage Safety Unit for Battery Pack Monitoring in High Voltage Battery Management Systems for electric or hybrid vehicles.

    We have developed Shunt and Hall based current sensors and a High Voltage Safety Unit for Battery Pack Monitoring in High Voltage Battery Management Systems for electric or hybrid vehicles.

    The sensor module communicates information such as current, voltage, temperature to the Battery Management System ECU (Electronic Control Unit) via analog, CAN or Daisy chain interface.  
    Current Sensor Module Shunt-Hall
    Current Sensor Module 2ch Shunt
    High Voltage Safety Unit
    Current Sensor Module Stand-alone Hall
    Current Sensor Module

    Shunt - Hall

    Current Sensor Module Shunt-Hall

    CSM is a HV current sensor for hybrid and electric vehicle applications that are operating on high voltage.​

      

    • Shunt and Hall based current sensing

    • Shunt and Hall based current sensing incl. galvanic separation
    • ​Fits to high voltage batteries up to 800 V​
    • Supports up to ASIL D on system level
    • ​Current measurement range: ± 1500 A​
    • Permanent current 400 A​
    • Current measurement accuracy shunt ch: ± 0.6 %​
    • Current measurement accuracy hall ch: ± 3.0 %​
    • CAN and analog communication interface
    Current Sensor Module

    2-Channel Shunt

    Current Sensor Module 2-Channel Shunt

    CSM is a HV current sensor for hybrid and electric vehicle applications that are operating on high voltage​.

      

    • Shunt based current sensing

    • Shunt based current sensing incl. galvanic separation​
    • Fits to high voltage batteries up to 800 V​
    • ASIL C with focus on precision on sensor level ​
    • Current measurement range: ± 2000 A ​
    • Current measurement accuracy ± 0,5 %
    • Permanent current 500 A
    • Overcurrent detection on CAN up to   ± 5500 A​
    • CAN communication
    Current Sensor Module

    High Voltage Safety Unit​

    Current Sensor Module High Voltage Safety Unit​

    Focus on high voltage battery safety monitoring  by measuring battery parameters such as current, voltage, temperature and isolation. Additional pyro-fuse driver with crash and overcurrent trigger, also used to avoid thermal runaway.​

      

    • Shunt based Battery Pack Monitoring  

    • Current: shunt based current sensing ± 2000 A ​
    • Voltage: n-channels, support diagnostics of relays​
    • Isolation: value calculation / limit warning  
    • Temperature: external sensor read-in​
    • Overcurrent: tailorable threshold up to ± 5500A​
    • Pyro-fuse driver: customized​
    • Fits to high voltage batteries up to 1000 V​
    • Supports up to ASIL D on system level​
    • CAN or daisy chain communication
    Current Sensor Module

    Stand-alone Hall

    Current Sensor Module Shunt-Hall

    One measurement range
    Current Sensor Module Shunt-Hall

    Two measurement range

    CSM is a HV current sensor for hybrid and electric vehicle applications that are operating on high voltage​.

      

    • Hall based Current Sensing

    • Hall based current sensing
    • 1 or 2 analog outputs​
    • Variant I with one output  
      • Out 1: up to ±1200 A: ± 3 % accuracy​
    • Variant II with two outputs​
      • Out 1: ± 100 A: ± 2% accuracy​
      • Out 2: ± 100 A till ±1200 A: ± 3 % accuracy ​
    • Busbar size up to 23 x 5 mm
    • Two M4 fixation points
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    Our Sensor Highlights

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    Sensors for Electric Vehicles

    As the focus of global mobility increasingly shifts to electric vehicles, we have developed new and innovative solutions to further ensure the highest levels of road safety ant to improve performance. Ourunique sensors designed specifically for electric mobility protect essential components of the BEV (Battery Electric Vehicle) and increase the accuracy and efficiency of future electric mobility.

    Learn more
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    Digital Temperature Sensor

    The Digital Temperature Sensor with its minimum intrusive design improves the performance and sustainability of the Thermal Management System of electric vehicles.

    Learn more
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    Intelligent Battery Sensor

    The shunt-type IBS continuously analyzes the status of conventional 12-Volt lead acid batteries and provides information on such key parameters as the state-of-charge, power ability and aging of the battery.

    Learn more
    Find out more about Our Battery and Current Sensors

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