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NES ZIONA, Israel and Nürtingen, Germany, December 15, 2021/PRNewswire/ - The world's leading automotive powertrain technology company hofer powertrain and VisIC Technologies Ltd, a global leader in high-voltage gallium nitride (GaN) solutions .Automotive applications, announced the establishment of a partnership to jointly develop GaN-based inverters for 800V automotive applications.

VisIC CEO Tamara Baksht said: "Our cooperation with hofer powertrain to develop gallium nitride-based power inverters in electric vehicles is a breakthrough in gallium nitride technology for 800V battery systems in the automotive industry." "VisIC's D3GaN technology is designed for Developed for the high reliability standards of the automotive industry, it can provide the lowest loss per RDS (on). It also simplifies system solutions and realizes an efficient and economical powertrain platform solution. It can support 800V automotive batteries , And 400V batteries are an important step in the adoption of GaN in the global automotive electric drive system.”

hofer powertrain has been committed to the development of three-level inverters for automotive power system applications for more than 5 years, revealing the three-level topology and the most advanced use of IGBT or silicon carbide chips today. Due to the reduction of harmonic losses in the motor, the special properties of the inverter 3-L topology can improve the overall system energy consumption under the relevant reference drive cycle (eg WLTP). In addition, due to the better total harmonic distortion of the output current that affects noise reduction, the noise and vibration harshness (NVH) behavior of the entire electric drive unit can be improved.

Finally, because the hofer powertrain 3-level inverter has better common mode behavior, it reduces the cost of electromagnetic compatibility measures to meet increasingly stringent requirements (such as Comité International Spécial des Perturbations Radioélectriques 25 class 5) .  

Gallium nitride semiconductor is the key to improving efficiency and increasing the mileage of electric vehicles. This technology provides significantly better switching speeds and smaller and lighter package sizes, thereby reducing overall system costs.

Today's GaN chips are used for 400V DC bus voltage and hofer power system level 3 topology, coupled with VisIC's GaN advantages, will bring it to the next level of improvement in 800V power systems. The synergy of the two parties can be used in a 3-level topology. "We are very pleased to cooperate with VisiC to jointly develop 800V 3-Level automotive inverters. The combination of these two technologies allows us to apply the advantages of GaN and the advantages of 3-L topology, thus bringing doubled benefits to our customers. "Profit", says Philipp Matt, electronics expert at hofer powertrain.

VisIC Technologies is a global leader in GaN electronic products for xEV applications, focusing on high-power automotive solutions. Its efficient and scalable products are based on deep technical knowledge of GaN and decades of experience. VisIC is committed to providing step-by-step improvements in the size and cost of energy conversion systems, and is committed to providing high-quality customer support at all stages of development. VisIC provides high-power transistor products based on compound semiconductor gallium nitride (GaN) materials, aiming to provide products for cost-effective and high-performance automotive inverter systems.

hofer powertrain is a system supplier of efficient power system solutions. As a mature independent partner in the mobile industry, hofer powertrain has been providing groundbreaking technologies and developing power system products for global companies for more than 40 years. The hofer powertrain is completed by an experienced team of experts specializing in powertrain system development, industrialization and production, pushing the boundaries of innovation and efficiency in the electric vehicle market. For more information, please visit www.hofer.de 

Yael Manor Marketing Communications Manager VisIC Technologies Ltd. [email protected]

Christina Karuna Marketing – Communication specialist hofer powertrain [email protected]

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