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Manipal Journal of Science and Technology

Abstract

The ability of IoT devices to self-power is a crucial requirement for achieving self-sustainability. The design of such a system requires a notable maintenance cost that emphasizes the demand for developing battery-less IoT devices. This paper presents a novel FinFET-based power management circuitry for an IoT application. Energy management is addressed by coupling low-power features in hardware with low-power system-level techniques. The market demand and surge in portable electronic devices have pushed the semiconductor industry to create circuit designs functioning at Low Voltage (LV) for Low Power (LP) consumption. Leakage power has become a severe problem in LV and LP devices. The superior performance of FinFETs in the subthreshold region makes them a viable substitute for CMOS devices. The application considered in this work is IoT-based wireless lighting and shading control. Indoor solar cells are used to power the IoT-based controller that drives the luminaire and window blinds. This paper applies different leakage reduction techniques, such as forced stacking, sleepy transistor, and Dual VDD methods, to FinFET based and CMOS-based circuits. An analysis of the different power components, static and short circuit power is also carried out using LTSpice.

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