Switched-Capacitor DC/DC Converters for Empowering Internet-of-Things SoCs
(2014) 2014 IEEE FTFC Conference — Location: Monaco (4.May.2014)
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- Abstract
- The development of wireless sensor nodes (WSNs) as well as the rise of the Internet-of-Things (IoT) push ahead the research effort in ultra-low-power integrated circuits. Jointly with the recent development of micro-energy harvesters, it extends the battery lifetime of IoT nodes. Nevertheless, the power extracted by such energy harvesters does not provide a large power budget so that circuits in IoT nodes are highly duty cycled. In this paper we study switched-capacitor DC/DC converters as a solution for empowering such IoT nodes in a SoC integration. We specifically give insights about their sizing and show that a systematic sizing methodology is a strong tool enabling fast exploration of the design trade-offs. We also study how multi-mode converters can meet the power needs of IoT SoCs.
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Citations
De Vos, J., Flandre, D., & Bol, D. (2014). Switched-Capacitor DC/DC Converters for Empowering Internet-of-Things SoCs. 2014 IEEE FTFC Conference, Monaco. https://doi.org/10.1109/FTFC.2014.6828615