This book describes fully-integrated power management circuits for thermoelectric energy harvesting. Readers will learn about the applications, system design fundamentals, designs of building blocks, maximum power point tracking techniques, and design of battery chargers. The book covers the following key topics: 1) minimizing the cost of a thermoelectric generator (TEG) by considering the maximum open circuit voltage of TEG and the dependence of the power conversion efficiency of the converter on the input voltage, 2) controlling the input voltage of the converter system to ensure it remains higher than the minimum operating voltage, 3) designing a charge pump operating in the sub-threshold region, considering factors such as clock frequency, stage capacitor size, rectifying device size, and the number of stages, 4) implementing maximum power point tracking techniques with a small circuit area, and 5) designing a fully integrated battery charger. Readers will gain a comprehensive understanding of these concepts and their practical applications.
System, Thermoelectric generator and Power converter.- Fundamentals of charge pump design.- System design.- Design of control circuits.- Design of battery charger.
Toru Tanzawa (Fellow, IEEE) received the B.S. degree in physics from Saitama University, Saitama, Japan, in 1990, the M.S. degree in physics from Tohoku University, Sendai, Japan, in 1992, and the Ph.D. degree in electrical engineering from The University of Tokyo, Tokyo, Japan, in 2002.,In 1992, he joined the Toshiba Research and Development Center, Japan. He had worked on the circuit design of high-density NAND flash memories and high-speed low-voltage NOR flash memories for ten years and on the circuit design of RF-CMOS wireless LSIs for Bluetooth for the following three years. From 2004 to 2017, he was with Micron Japan Ltd., Tokyo, where he worked on MLC NAND flash design at the Japan Flash Design Center. He is currently a Professor with the Faculty of Engineering, Shizuoka University. He has published more than 100 conferences and journals papers. He holds more than 280 U.S. patents. His current research interests include power management circuits and systems, low-voltage analog circuits, and low-power memory circuits, for energy harvesting.
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