CMOS Circuits for Piezoelectric Energy Harvesters: Efficient by Thorsten Hehn

By Thorsten Hehn

This ebook bargains with the problem of exploiting ambient vibrational strength which might be used to energy small and low-power digital units, e.g. instant sensor nodes. often, quite for low voltage amplitudes, low-loss rectification is needed to accomplish excessive conversion potency. within the unique case of piezoelectric power harvesting, pulsed cost extraction has the capability to extract extra strength in comparison to a unmarried rectifier. For this objective, a completely independent CMOS built-in interface circuit for piezoelectric turbines which fulfills those requisites is presented.

Due to those key houses permitting common utilization, different CMOS designers operating within the box of power harvesting can be inspired to take advantage of many of the proven constructions for his or her personal implementations. The publication is exclusive within the feel that it highlights the layout approach from scratch to the ultimate chip. accordingly, it offers the dressmaker a finished consultant of the way to (i) setup a suitable harvester version to get practical simulation effects, (ii) layout the built-in circuits for low energy operation, (iii) setup a laboratory size surroundings so that it will largely represent the chip together with the genuine harvester and at last, (iv) interpret the simulation/measurement leads to order to enhance the chip functionality. because the dimensions of all units (transistors, resistors etc.) are given, readers and different designers can simply re-use the awarded circuit concepts.

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D. Spreemann, D. Hoffmann, B. Folkmer, Y. Manoli, Numerical optimization approach for resonant electromagnetic vibration transducer designed for random vibration. J. Micromech. Microeng. 18(104), 001 (2008) 42. Y. Sun, H. Nguyen, C. Jeong, S. Lee, An integrated high performance active rectifier for piezoelectric vibration energy harvesting systems. IEEE Trans. Power Electron. 27(99), 623– 627 (2012) 43. K. Y. K. Panda, Maximize Piezoelectric Energy Harvesting Using Synchronous Charge Extraction Technique for Powering Autonomous Wireless Transmitter, in Proceedings of the IEEE International Conference on Sustainable Energy Technologies (ICSET), Singapore, 24–27 Nov 2008, pp.

Struct. 20(5), 609–624 (2009) 17. T. Hehn, F. Hagedorn, D. Maurath, D. Marinkovic, I. Kuehne, A. Frey, Y. Manoli, A fully autonomous integrated interface circuit for piezoelectric harvesters. IEEE J. Solid-State Circ. 47(9), 2185–2198 (2012) 18. D. Hoffmann, B. Folkmer, Y. Manoli, Fabrication, characterization and modelling of electrostatic micro-generators. J. Micromech. Microeng. 19(094), 001 (2009) 19. E. Koutroulis, K. C. Voulgaris, Development of a microcontroller-based, photovoltaic maximum power point tracking control system.

The harvested power with regard to the input power) [10, ch. 1]. These are the reasons for concentrating on this scheme throughout this work. As discussed in Sect. 2, the state-of-the-art interface circuits performing SECE as presented in [51] and [43] are lacking of some of the requirements listed before, strongly limiting practicability. Hence, the main goal of this work is to present a pulsed synchronous charge extractor (PSCE) chip which fulfills all of the given requirements, as reported for the first time in [17].

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