Integrating high-voltage handling capability into microchip-scale silicon power transistors shrinks power converter/ management ICs

https://www.eurekalert.org/news-releases/1140970

"polarization superjunction gallium nitride microchip transistors built on low-cost silicon base withstand nearly 4 kV on tiny scale, 5X conventional limit.... leverages polarization, balancing negative/ positive charges internally, preventing localized electrical field building up... avoids temperature-sensitive chemical doping/ maintains low electrical resistance, reducing heat production/ energy loss... AI data centers, solar energy systems, EVs, consumer devices, grid infrastructure"