Guest Editorial Special Issue on Power Supply on Chip, 2018

Power supply on chip (PwrSoC) is becoming a broader and broader concept from several perspectives. The power supply is no longer just a box or a building block decoupled from the rest of the system it supplies. Energy needs to be supplied ubiquitously to a vast number of sensors, actuators, and processing units, each with unique power delivery requirements. In some cases, the power must be transferred wirelessly. This requires not only a physical but also a functional integration of the energy form and function within the system.