Like all embedded systems, those considered part of the Internet of Things (IoT) require power, and that power needs precise management for the system to function as designed. A typical IoT-related system will comprise a number of elements that generate and/or process analog, digital, and serial-data signals.
Consider a generic example of an IoT system (Fig. 1), consisting of a 32-bit CPU, power-supply block, digital I/O, DDR, an FPGA, and more. Such systems might also includ
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