We conducts fundamental as well as applied research in power electronics as well as analogue and mixed-mode IC-design on physics, component-, and system levels ranging from MW to mW power converters. We operate labs with state-of-the- art equipment. We do state-of- the-art research:
- High eﬃciency fuel cell and solid oxide electrolysis cell power converters – obtained by both system and component level optimization of the power losses and the physical properties behind these losses. The key to ultra-high eﬃciency is a holistic understanding of all the loss mechanisms combined with the impedance levels in all parts of the converters.
- Switch-mode (class D) audio power ampliﬁers – developed during more than 20 years of research where second to none audio and eﬃciency speciﬁcation have been reached by research into mixed continuous and discrete time sampling and modeling of these state-of- the-art phase-shift and hysteresis based self-oscillating multi loop control systems.
- Very high frequency power converters with high power densities are achieved by increasing the switching frequencies the 30-300 MHz range. The power converters built with discrete components can be reduced by further increasing the switching frequency and enabling both PwrSiP and PwrSoC, which could be used for products like intelligent LED lighting and miniature chargers.