SIMO Switching Regulators: Extending Battery Life for Hearables and Wearables
Cary Delano, Gaurav Mital
Consumers expect hearables, wearables, and other ultra-small electronic devices to be long on battery life despite their tiny form factor. Yet, clearly, the device size does limit the battery capacity. This paper discusses how to gain some of that space back by using a switching regulator based on a single-inductor multiple-output (SIMO) power converter architecture. This paper will help you gain a deeper understanding of SIMO technology and how it works. You will also learn about power management ICs (PMICs) featuring the SIMO regulator that reduce power dissipation and overall component count, while providing the same functionality of traditional solutions in less than half the space.
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