Navigating the 400V to 800V Transition in Electric Vehicle Charging

The electric vehicle market is rapidly transitioning from 400V to 800V systems, primarily driven by the need for faster charging and improved efficiency. However, the existing charging infrastructure is predominantly 400V, necessitating solutions for voltage conversion to ensure compatibility. This webinar will explore the key industry challenges associated with this transition and highlight innovative solutions that improve charging efficiency and support the seamless adoption of 800V systems in electric vehicles. It will cover the benefits and drawbacks of various voltage conversion methods, including booster solutions and battery switchable solutions.  

The presentation will share the criteria for evaluating voltage conversion solutions, including safety, heating, cost, system complexity, and charging speed. We will examine how existing booster solutions, such as DC-DC and motor inverter boosters, often fall short in terms of efficiency and cost-effectiveness. In contrast, battery switchable solutions enable direct 400V/800V charging without the conversion losses associated with booster solutions. This results in reduced heat generation and system complexity for faster, more efficient charging, making them a more viable option for the industry. When comparing switchable solutions, innovative designs further improve safety, minimize heating and reduce system complexity and cost through high integration.

Attendees will leave with a comprehensive understanding of the current challenges and potential solutions for the transition from 400V to 800V systems in electric vehicles. They will also gain insights into the future of EV charging infrastructure and the role of innovative voltage conversion solutions in EV system design that are facilitating this transition.

Key Takeaways

• Ensure compatibility of 800V vehicles with 400V charging stations by implementing voltage conversion solutions.
• Achieve superior efficiency, reduced heating, and cost-effectiveness with switchable solutions compared to booster solutions.
• Improve safety, minimize heating, and reduce system complexity and cost through high integration when comparing switchable solutions with innovative designs.

Speakers:

Maxime Blin, Global Product Manager- High Voltage Solutions
Edward Bernhardi, Engineering Director