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Infineon Presents CoolSiC™ Power Module

The XHP 2 power module from Infineon has already proven its worth in a joint field test conducted by Siemens Mobility and Stadtwerke München (SWM).

Infineon Technologies has announced a plan to launch power semiconductors with CoolSiC™ MOSFET and .XT technology in the XHP™ 2 package – tailored specifically to the requirements of rail services.

InfineonSemiconductor solutions for quieter streetcars

The XHP 2 power module from Infineon has already proven its worth in a joint field test conducted by Siemens Mobility and Stadtwerke München (SWM). An Avenio streetcar in Munich was equipped with these power modules and tested in passenger service for a year, covering around 65,000 km. Siemens Mobility concluded that this use of power semiconductors based on silicon carbide (SiC) had made it possible to reduce the energy consumption of streetcars by ten percent. At the same time, it was also possible to significantly reduce engine noise during operation.

“Innovative semiconductor solutions for rail technology are an important driver for green mobility. The successful field test with streetcars in Munich demonstrates the benefits of SiC technology for manufacturers, rail operators, and residents,” said Dr. Peter Wawer, President of Infineon’s Industrial Power Control Division. The tests were carried out under the European development and research project PINTA and are part of the extensive European research and innovation initiative Shift2Rail, which aims to create a sustainable European rail system through targeted investments.

Higher energy efficiency thanks to silicon carbide

Implementing SiC in power modules for traction propulsion systems can also pose major challenges: In addition to an efficient and very robust SiC chip, packages that allow high switching speeds are required, as well as interconnection technologies that enable a long service life. These are precisely the features offered by Infineon’s power module: Since trains accelerate and decelerate frequently, the power cycles for semiconductors in rail applications are very demanding. The constant temperature fluctuations stress the interconnection technology. Infineon’s .XT technology provides a solution to this challenge. The technology significantly improves the lifetime during power cycles and has been used successfully for years in similarly challenging applications such as wind turbines.

In Infineon’s XHP 2 power module, CoolSiC MOSFET chips enable low conversion losses while maintaining high reliability. They are the basis for increased energy efficiency and are already used today in many applications like photovoltaic systems. Infineon’s XHP 2 package features low stray inductance, asymmetrical and scalable design, and high current capacity. As a result, the package is ideally suited for SiC.

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Nitisha Dubey

I am a Journalist with a post graduate degree in Journalism & Mass Communication. I love reading non-fiction books, exploring different destinations and varieties of cuisines. Biographies and historical movies are few favourites.

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