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The Power of IoT Devices

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According to IC Insights total semiconductor sales for Internet of Things (IoT) systems are expected to reach $31.1 billion in 2020, with the IoT semiconductor market for wearable systems expected to show a CAGR of 17.1%. This proliferation of devices is also creating future growth in the power management IC (PMIC) market.

Designers of IoT solutions are relying on power management solutions to efficiently handle the power needed to energize a wide range of IoT devices, as maintenance and battery replacement are not cost-effective approaches. There are many power management solutions currently in the market, and depending of their characteristics, one power management solution can work better for a specific application depending on power conversion and power control options.

PMICs can now reduce power consumption of the batteries prolonging the power in IoT devices while also minimizing PCB size. PMICs are now achieving lower quiescent currents that helps toincrease battery life. Maxim Integrated’s new MAX20310, for instance, is a power management solution that operates with battery voltages down to 0.7V for use with single-cell zinc air, silver oxide, and alkaline batteries. This solution includes a dual-output, programmable, micro-IQ high-efficiency switching converter with a 0.5μA quiescent current. It focuses on wearable medical devices and fitness applications such as non-rechargeable medical patches, environmental and equipment monitoring, and discrete sensors for the Industrial Internet of Things (IIoT).

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