CMOS Circuits for Piezoelectric Energy Harvesters

CMOS Circuits for Piezoelectric Energy Harvesters

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This book deals with the challenge of exploiting ambient vibrational energy which can be used to power small and low-power electronic devices, e.g. wireless sensor nodes. Generally, particularly for low voltage amplitudes, low-loss rectification is required to achieve high conversion efficiency. In the special case of piezoelectric energy harvesting, pulsed charge extraction has the potential to extract more power compared to a single rectifier. For this purpose, a fully autonomous CMOS integrated interface circuit for piezoelectric generators which fulfills these requirements is presented. Due to these key properties enabling universal usage, other CMOS designers working in the field of energy harvesting will be encouraged to use some of the shown structures for their own implementations. The book is unique in the sense that it highlights the design process from scratch to the final chip. Hence, it gives the designer a comprehensive guide of how to (i) setup an appropriate harvester model to get realistic simulation results, (ii) design the integrated circuits for low power operation, (iii) setup a laboratory measurement environment in order to extensively characterize the chip in combination with the real harvester and finally, (iv) interpret the simulation/measurement results in order to improve the chip performance. Since the dimensions of all devices (transistors, resistors etc.) are given, readers and other designers can easily re-use the presented circuit concepts.Chapter 1 Introduction In the last few years, energy harvesters have decreased in size, and at the same time increased their output power. ... This chapter starts with a rough review of the main energy harvesting mechanisms, covering the thermoelectric, radio frequency (RF) and ... This chapter ends up with a brief description of the organization of the book. ... Springer Science+Business Media Dordrecht 2015 T. Hehn and Y. Manoli, CMOS Circuits for Piezoelectric Energy Harvesters, anbsp;...

Title:CMOS Circuits for Piezoelectric Energy Harvesters
Author: Thorsten Hehn, Yiannos Manoli
Publisher:Springer - 2014-07-30

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