This whitepaper explores the E-CAP family of silicon capacitors by Empower Semiconductor, showcasing advancements in density and performance. E-CAP technology offers compact, flexible solutions with densities of 1.1 µF/mm², aiming for 1.5 µF/mm². Benefits include superior high-frequency de-coupling, reduced footprint, fewer components, and customizable form factors, making it ideal for high-frequency DC/DC converters and other applications.