- Block diagram
- Design considerations
- Design resources
- Product listing
- Support
Block diagram
AC EV wallbox
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DC EV charging station
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On-Board Charger (OBC)
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Pre-charger
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Sensor interface
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Battery balancing
Recommended products (3)
Signal processing
Recommended products (1)
Power management
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Reverse battery protection
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Communication interface
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Select a component
To view more information about the Nexperia components used in this application, please select a component above or click on a component (highlighted in blue) in the block diagram.
Design considerations
- Define clear safe operating limits for each cell and pack (voltage, current, temperature, SOC).
- Design a contactor control for pre-charge and charge/discharge operations
- Provide a reliable cell balancing strategy (active or passive), monitor the cells SOC and SOH for the expected lifetime
- Choose an architecture that fits the pack size (modular, distributed or centralized).
- Select components for high temperature capability, high current handling, low RDS(on), fast switching, and appropriate ESD/transient robustness.
- Implement ESD protection to provide reliable communication with the ECU and between the modules if designing a wireless BMS.