Infineon provides FOXESS with power semiconductors to improve efficiency and power density of energy storage applications

Infineon Technologies AG supplies its power semiconductor devices to FOXESS, a fast-growing leader in the green energy industry and a manufacturer of inverters and energy storage systems.

FOXESS’ H3PRO energy storage series uses Infineon's CoolSiC MOSFETs 1200 V.

The two sides aim at promoting the development of green energy. Infineon will provide FOXESS with its CoolSiC™ MOSFETs 1200 V, which will be used with EiceDRIVER™ gate drivers for industrial energy storage applications. At the same time, FOXESS' string PV inverters will use Infineon's IGBT7 H7 1200 V power semiconductor devices.

The global market for photovoltaic energy storage systems (PV-ES) has grown at a high speed in the last years. As competition in the PV-ES market accelerates, improving power density has become key to success, and how to improve efficiency and power density for energy storage applications has attracted much attention. Infineon's CoolSiC MOSFET 1200 V and IGBT7 H7 1200 V series power semiconductor devices adopt the latest semiconductor technologies and design concepts that are tailored to industrial applications.

Mr. Yu Daihui, Senior Vice President and Head of Industrial & Infrastructure of Infineon Technologies Greater China said, “As an industry leader in power semiconductors, we are proud to work closely with FOXESS. We will continue to drive decarbonization by enabling higher power density and more reliable systems for PV-ES applications.”

Mr. Zhu Jingcheng, Chairman of FOXESS, said, “Thanks to the support of Infineon's advanced components, FOXESS' products have been significantly improved in terms of reliability and efficiency. This has been an important driving force for FOXESS' growth. Infineon's technical support and product quality have not only strengthened our competitiveness, but also expanded our presence in the market. We are confident about the future and look forward to further cooperation with Infineon to jointly promote the development of the industry and create greater value for our customers.”



FOXESS' R Series redefines the overall design of the 100 kW model by using Infineon’s IGBT7 H7 series.

With a high power density, Infineon's CoolSiC MOSFETs 1200 V can reduce losses by 50 percent and provide ~2 percent additional energy without increasing the battery size, which is especially beneficial for high-performance, lightweight, and compact energy storage solutions. FOXESS’ H3PRO 15 kW-30 kW energy storage series uses Infineon's CoolSiC MOSFETs 1200 V for all models. Thanks to Infineon's excellent performance, the H3PRO series has achieved an efficiency of up to 98.1 percent and excellent EMC performance; with superior performance and reliability, the H3PRO series has seen rapid sales growth in the global market.

Infineon's TRENCHSTOP IGBT7 H7 650 V / 1200 V series has lower losses and helps improve the overall efficiency and power density of inverters. In high-power inverter projects, high-current mold packaged discrete devices with current handling capability above 100 A can reduce the number of IGBTs in parallel and replace the IGBT module solution, further improving system reliability and reducing costs; in addition, the H7 series has become an industry benchmark for its high-quality performance and greater resistance to humidity. At present, FOXESS' main industrial and commercial model, the R Series 75-110 kW, redefines the overall design of the 100 kW model by using IGBT7 H7 series discretes, and the efficiency of the whole machine can reach up to 98.6 percent. Thanks to the low power loss and high power density of the IGBT7 H7 series in discrete packages, technical problems such as current sharing in the paralleling process can be simplified and optimized.

Every power device needs a driver, and the right driver can make the design a lot easier. Infineon offers more than 500 EiceDRIVER gate drivers with typical output currents of 0.1 A~18 A and comprehensive protection functions including fast short-circuit protection (DESAT), active Miller clamp, shoot-through protection, fault reporting, shutdown, and overcurrent protection, suitable for all power devices including CoolSiC and IGBTs.

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