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Design considerations for interface circuits to low-voltage piezoelectric energy harvesters
Linköpings universitet, Institutionen för systemteknik, Elektroniska komponenter. Linköpings universitet, Tekniska högskolan.ORCID-id: 0000-0003-2056-4762
Linköpings universitet, Institutionen för systemteknik, Elektroniska Kretsar och System. Linköpings universitet, Tekniska högskolan.ORCID-id: 0000-0002-2144-6795
Linköpings universitet, Institutionen för systemteknik, Elektroniska Kretsar och System. Linköpings universitet, Tekniska högskolan.
2014 (engelsk)Konferansepaper, Publicerat paper (Fagfellevurdert)
Abstract [en]

In this work we investigate the limitations and describe the operation of passive fully integrated rectifiers in standard CMOS technology for low-voltage piezoelectric harvesters. These harvesters are typical for low-frequency and low-acceleration applications, such as body-motion scenarios, i.e., wearables. We motivate the choice of active rectifiers for low-voltage energy harvesters and techniques to boost the available input voltage to the rectifier. A test circuit recently taped-out in 0.35-μm CMOS is described to illustrate some of the challenges associated with rectifier design for low-voltage energy harvesters. The circuit occupies an area of 210 × 155 μm2 and operates at input voltages between 0.6 and 3.3 V. Post-layout simulations shows an efficiency of 79 % at a 0.7-V input.

sted, utgiver, år, opplag, sider
2014. s. 1-4
HSV kategori
Identifikatorer
URN: urn:nbn:se:liu:diva-114732DOI: 10.1109/NORCHIP.2014.7004722OAI: oai:DiVA.org:liu-114732DiVA, id: diva2:792214
Konferanse
IEEE Norchip Conference
Tilgjengelig fra: 2015-03-03 Laget: 2015-03-03 Sist oppdatert: 2018-11-08

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