High-efficiency, reliable EV charging systems using Wolfspeed SiC components for power conversion and Cree LEDs for user interfaces and indicators.
At LiTong Group, we specialize in developing high-efficiency EV charging solutions that leverage the superior properties of Wolfspeed SiC technology for power conversion and Cree LED components for user interfaces. Our expertise enables us to create charging systems that deliver maximum power density, efficiency, and reliability while minimizing size and operational costs.
SiC components enable 97%+ efficiency in power conversion, reducing energy waste and heat generation.
Higher switching frequencies enabled by SiC allow for smaller magnetic components and higher power density.
Superior thermal properties of SiC enable operation in harsh automotive environments.
AC charging systems up to 22kW for residential and workplace applications, using Cree LEDs for status indication and user interfaces.
High-power DC charging systems up to 350kW for rapid charging networks, using Wolfspeed SiC for high-efficiency power conversion.
For high-efficiency power conversion in EV charging systems, enabling higher switching frequencies and reduced losses.
For PFC circuits and DC-DC converters, providing zero reverse recovery losses and improved efficiency.
For user interfaces, status indication, and ambient lighting in charging stations.
For high-efficiency EV charging systems, we recommend specific power electronics topologies utilizing Wolfspeed SiC components:
Uses Wolfspeed SiC diodes and MOSFETs to achieve >99% efficiency in power factor correction stages of AC-DC chargers.
Utilizes SiC switches for high-efficiency DC-DC conversion in fast charging systems.
EV charging station solution using Wolfspeed SiC power components and Cree LED indicators
| Power Level | 3.3kW - 350kW |
| Efficiency | 95% - 98% |
| Power Factor | >0.99 |
| Switching Frequency | 70kHz - 200kHz |
| Operating Temperature | -40°C to +85°C |
| Standards Compliance | IEC 61851, SAE J1772, CCS, CHAdeMO |
Comprehensive guide to power electronics design for EV charging systems using SiC components.
Guide to selecting the right Wolfspeed SiC components for your EV charging application.
Reference materials for EV charging standards and compliance requirements.
Deployment of 200+ 150kW fast chargers in urban areas using Wolfspeed SiC power electronics, achieving 97% efficiency and compact form factor.
Units Deployed: 200+
Efficiency Achieved: 97%
Space Reduction: 40% smaller than silicon design
350kW ultra-fast charging stations along highway corridors, utilizing Cree LED lighting and indicators with Wolfspeed SiC power conversion.
Power Level: 350kW
Charging Speed: 10-15 min to 80% charge
Reliability: 99.5% uptime
SiC technology provides several advantages in EV charging applications: higher efficiency (>97%) reduces energy loss and heat generation, higher switching frequencies enable smaller magnetics and higher power density, and superior thermal properties allow operation in harsh automotive environments. These benefits result in more compact, efficient, and reliable charging systems.
Level 1 charging uses a standard 120V outlet and provides 1.4kW of power (slowest). Level 2 charging uses 240V and provides 3.3kW to 22kW of power, common for homes and workplaces. DC Fast Charging provides 50kW to 350kW of power for rapid charging at public stations, bypassing the vehicle's AC/DC converter with high-power DC directly to the battery.
Key challenges include achieving high efficiency while maintaining compact size, managing thermal dissipation in limited space, meeting stringent safety and regulatory standards, ensuring reliability in outdoor environments, and balancing cost with performance. SiC components address many of these challenges by enabling higher efficiency and power density.
Contact our expert team to develop a custom EV charging solution with optimal SiC power electronics and LED components for your specific application.
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