Introduction

The SEC-3PH-11-OBC-EVB from onsemi is a sophisticated evaluation platform designed to accelerate the development and testing of three-phase On Board Charger (OBC) systems. This board is tailored for engineers and developers working on high-efficiency AC/DC conversion, particularly in electric vehicle (EV) and industrial charging applications.

Part Description

The SEC-3PH-11-OBC-EVB is a three-phase OBC evaluation board that integrates AEC-Q101 qualified Silicon Carbide (SiC) power devices and drivers. Its modular architecture allows for flexible configuration and easy experimentation with different power topologies. The platform supports both voltage and current control modes, making it adaptable to a wide range of charging scenarios. A user-friendly graphical user interface (GUI) simplifies setup, monitoring, and parameter adjustments, making it ideal for both learning and prototyping. The board is specifically designed to demonstrate and evaluate three-phase Power Factor Correction (PFC) and LLC resonant converter topologies, which are critical for efficient and reliable charging solutions.

Applications

• Electric vehicle (EV) on-board chargers
• Industrial battery charging systems
• Renewable energy storage systems
• High-power AC/DC conversion prototypes
• Research and development of power electronics

Industries

• Automotive (EV manufacturing and charging infrastructure)
• Industrial automation
• Renewable energy
• Power electronics research and education
• Transportation and logistics

Usage Ideas

1. EV Fast Charger Prototype
   Develop and test a high-efficiency, three-phase fast charger for electric vehicles using the evaluation board’s PFC/LLC topologies.

2. Smart Industrial Battery Bank
   Create a smart charging station for industrial battery banks, utilizing the board’s modular design and control flexibility for optimized charging cycles.

3. Educational Power Electronics Lab
   Set up a hands-on laboratory experiment for students to learn about three-phase AC/DC conversion, power factor correction, and resonant converters using the board’s GUI and modular features.

Conclusion

The SEC-3PH-11-OBC-EVB evaluation board from onsemi is a powerful tool for engineers, researchers, and educators working in the field of high-efficiency power conversion. Its advanced features, modular design, and user-friendly interface make it an excellent choice for developing, testing, and learning about three-phase OBC systems in automotive and industrial applications.