ABSTRACT

209 Traditional Power Management Units (PMUs) generate reference voltages and currents, produce power on reset signals and control the system start up sequence, sequencing the enable of voltage regulators. The new generation of PMUs, targeting IoT applications, is capable of entering different power gated modes, achieving nano-Amp range operation, being controlled by the Real Time Clock (RTC). Why and how are RTCs being used as brains of the IoT PMUs is going to be analyzed in the “Power-and-Energy Management for IoT” chapter.