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Editorial The digital world is accelerating – and with it energy demand is rising Artificial Intelligence and other datadriven technologies are fueling the rapid expansion of global data centers As a result the need for a powerful efficient and reliable energy supply is increasing Power electronics lies at the heart of this development It is the key technology enabling digital infrastructures driving the energy transition and connecting modern systems intelligently Meanwhile the industry is facing growing pressure From a technical perspective it is challenged by the need to improve efficiency enable miniaturization and advance system integration At the same time external factors – including geopolitical tensions unstable supply chains and increasing sustainability demands – are placing additional pressure on development How can power electronics continue to drive innovation under these conditions while actively shaping resilience and transformation? This issue of the PCIM Magazine sheds light on these dynamics and explores how power electronics is responding to current challenges The thematic emphasis is on highefficiency power supplies and advanced semiconductor technologies for data centers and AI applications with two deepdives into silicon SiC and GaN technologies Two articles focus on ultrawidebandgap UWBG semiconductors which enable the switching of very high voltages They are ideal for applications such as power grids wind farms and electric vehicles with onboard systems over 800 volts offering high efficiency for both the energy and mobility sectors Aspecial highlight in this issue is its presentation of the HiPe-LAB at the University of Bremen – a testing environment that combines electrical and climatic stresses to enable realistic testing of power electronic systems throughout their useful life One thing is clear – standing still is not an option The future of power electronics depends on one crucial factor how well technological innovation industrial implementation and political strategy align Join us in exploring the dynamics of current developments and taking a critical yet forwardlooking view of the future of this key technology Regards Lisette Hausser Vice President PCIM 3 PCIM Magazine 02 2025