This book delivers a modern treatise on mixed-signal integrated circuit design for power management. Comprised of chapters authored by leading researchers from industry and academia, the text describes circuit- and architectural-level innovations that meet advanced power and speed capabilities, exploring the use of new materials such as diamond, gallium arsenide, gallium nitride, and silicon carbide. The book discusses cutting-edge design techniques and presents innovative approaches to the integration of new device technologies with main-stream silicon platforms, encouraging the development of autonomous integrated energy system modules.