Tutorial 1


Tiny Inductively Powered Battery Chargers

Gabriel A. Rincón-Mora, NAI Fellow, IEEE Fellow, and IET Fellow

Georgia Institute of Technology


Although wireless microsystems today require less power than ever before, they still cannot fit large enough batteries to sustain them for months or years at a time. Ambient energy is appealing in this respect, but only when an ambient source is available, which is often not the case for embedded microsensors inside the human body, engines, machines, and larger mechanical infrastructures. Transmitting power wirelessly is more practical in these applications. Unfortunately, tiny power receivers capture a small fraction of the power that a wireless source can deliver. So output power is low and its effects on the transmitting coil are barely noticeable. Power receivers should therefore draw as much power as possible, but only as much as breakdown voltages and power losses allow. This talk shows how the state of the art in inductively coupled power receivers can draw and output the highest power possible from tiny coils that are centimeters away from their transmitting sources.


Prof. Gabriel A. Rincón-Mora was Design Team Leader at Texas Instruments in 1994-2003, Adjunct Professor at the Georgia Institute of Technology (Georgia Tech) in 1999-2001, and Director of the Georgia Tech Analog Consortium in 2001-2004 and has been Professor at Georgia Tech since 2001 and Visiting Professor at National Cheng Kung University in Taiwan since 2011. He is Fellow of the American National Academy of Inventors, Fellow of the IEEE, and Fellow of the Institution of Engineering and Technology. His scholarly products include 9 books, 4 book chapters, 42 patents, over 170 articles, over 26 commercial power-chip designs, and over 130 international speaking engagements. He was inducted into Georgia Tech’s Council of Outstanding Young Engineering Alumni and named one of “The 100 Most Influential Hispanics” by Hispanic Business magazine. He received the National Hispanic in Technology Award from the Society of Hispanic Professional Engineers (SHPE), Charles E. Perry Visionary Award from Florida International University (FIU), Orgullo Hispano Award from Robins Air Force Base, Hispanic Heritage Award from Robins Air Force Base, IEEE Service Award from the IEEE Circuits and Systems Society (CASS), IEEE Certificate of Appreciation from IEEE CASS, and Commendation Certificate from the Lieutenant Governor of California. He has served as Distinguished Lecturer, General Chair and Co-Chair, Technical Program Chair and Co-Chair, Associate Editor, Guest Editor and Co-Editor, Chapter Chair and Vice-Chair, International Liaison, Steering Committee Member, and Advisory Panel Member on multiple occasions for IEEE and other international conferences and workshops.