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ROHM SEMICONDUCTOR 2022 11 Although grids power many of these applications, low-voltage systems utilizing remote sensors rely on portable energy storage such as batteries and supercapacitors. Since there is limited power for charging, there is a need for efficient power consumption in IIoT applications. Various existing and innovative power solutions enable efficient power conversion in IIoT systems, which, in turn, reduces power dissipation and extends battery life. These solutions are critical for preventing loss of production, equipment malfunction or damage, costly downtime, and high annual maintenance costs. Moreover, optimized power solutions allow engineers to design high-performance, reliable, and miniaturized IIoT devices. The Industrial Internet of Things (IIoT) is composed of four key layers, including the sensing layer, communication layer, application layer, and management optimization layer, as shown in Figure 2. These layers work together to achieve improved operations in industries. Management optimization ensures the efficient utilization of power in the overall system, among other functions. Other layers require a specific amount of power to function optimally. Consequently, designers must incorporate robust power solutions into IIoT systems. Several critical elements of IIoT devices, such as accelerometers, wireless communication modules, buck converters, and microcontrollers (MCUs), require high Figure 2: Cycle of Industrial Internet of Things (Source: ROHM) THE BASIS OF POWER OPTIMIZATION IN IIoT APPLICATIONS power conversion efficiencies with lower power dissipation. Similarly, miniaturized devices require high-energy efficient MCU integration. Although computational needs affect the selection of 8-bit or 32-bit MCUs, engineers must consider the energy requirements to achieve optimum results. The choice of buck converter directly affects the overall power consumption of IIoT devices. LEARN MORE REFLVBMS001-EVK-001 Collaboration Board