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|Title:||A self-powered power conditioning IC for piezoelectric energy harvesting from short-duration vibrations|
noninverting buck-boost converter
|Source:||Darmayuda, I.M., Gao, Y., Tan, M.T., Cheng, S.-J., Zheng, Y., Je, M., Heng, C.-H. (2012). A self-powered power conditioning IC for piezoelectric energy harvesting from short-duration vibrations. IEEE Transactions on Circuits and Systems II: Express Briefs 59 (9) : 578-582. ScholarBank@NUS Repository. https://doi.org/10.1109/TCSII.2012.2208672|
|Abstract:||This brief presents a piezoelectric vibration power conditioning integrated circuit for energy autonomous sensor applications. The proposed circuit includes a negative voltage converter, a noninverting buck-boost converter working in discontinuous conduction mode (DCM), and a switching clock generator. Optimum load resistance is synthesized by the DCM buck-boost converter to achieve maximum power extraction, and system conduction loss is reduced by a novel arrangement of a current rectification diode within the buck-boost converter. This circuit is able to harness power from short-duration vibration and self starts up with a minimum 0.9-V input voltage. The proposed circuit has been implemented in a standard 0.18-μm CMOS process with 0.05-mm 2 active area and achieved a maximum power conversion efficiency value of 54%. © 2004-2012 IEEE.|
|Source Title:||IEEE Transactions on Circuits and Systems II: Express Briefs|
|Appears in Collections:||Staff Publications|
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