PMRL People
Ayman Fayed, Ph.D.
Ayman Fayed received his B.Sc. degree in Electronics & Communications Engineering from Cairo University in 1998, and his M.Sc. and Ph.D. degrees in Electrical & Computer Engineering from The Ohio State University in 2000 and 2004, respectively. From 2000 to 2009, he held several technical positions in the area of analog, mixed-signal and power management integrated circuit design at Texas Instruments Inc., where he contributed to many product lines for wire-line, wireless, and multi-media devices. From 2000 to 2005, he was with the Connectivity Solutions Dept. at TI, where he worked on the development of analog frontends for high-speed wire-line transceivers such as USB, IEEE1394b, and HDMI, and on fully integrated switching/linear regulators and battery chargers for portable media players. From 2005 to 2009, he was a member of the technical staff with the wireless analog technology center at TI, where he worked on delta-sigma data converters for various wireless standards, and on the development of fully-integrated power management solutions for mixed-signal SoCs with multi-RF cores in nanometer CMOS. Dr. Fayed joined the Dept. of Electrical & Computer Engineering at Iowa State University in 2009, where he held the Northrop Grumman Assistant Professorship. He then joined the Dept. of Electrical & Computer Engineering at The Ohio State University in 2015, where he is currently a professor. He is the founder and director of the Power Management Research Lab (PMRL) and his current research interests include on-chip power supplies for dynamic energy distribution in VLSI systems, high-frequency switching regulators with on-chip and on-package passives for SoCs, low-noise power supplies and power supply modulators for analog and RF circuits, energy-harvesting circuits for power-restricted & remotely-deployed devices/systems, and analog/mixed-signal and power converter design in SiC and GaN technologies. He is currently an associate editor for IEEE TCAS-I, the chair-elect of the analog signal processing technical committee of the IEEE CASS society, and a member of the technical program committee of ISCAS, APEC, and the steering committee of MWSCAS. He has served previously as an associate editor for IEEE TCAS-II and in the technical program committee of RFIC. Dr. Fayed is the author/co-author of many publications in the field and holds 8 US patents. He is a recipient of the NSF CAREER Award in 2013, the 2015 Darlington Best Transactions Paper Award from the IEEE Circuits and System Society, and the 2021 IEEE Transactions on Power Electronics Second Place Prize Paper Award from the IEEE Power Electronics Society. Dr. Fayed is a senior member of IEEE. LinkedIn Profile.
Robbie Milner, Ph.D. Research Associate
Robbie Milner received his B.Sc. degree in Electrical and Computer Engineering from The Ohio State University in May, 2022. He has worked as a process engineering intern for TTM Technologies in the summer of 2021, where he designed a robotic work cell to automate and increase efficiency of the factory line. He joined PMRL in January 2022 as an undergraduate research associate and is continuing towards his Ph.D. degree starting August, 2022. Robbie's research is focused on analog and power management IC design. LinkedIn Profile.
Tanner Tengberg, Ph.D. Research Associate
Tanner received his B.Sc. degree in Electrical and Computer Engineering from Ohio State University in 2019. From 2018 to 2019, he worked as a high-voltage substation design engineer for American Electric Power (New Albany, Ohio) where he was responsible for capital projects across West Virginia, Kentucky, and Southern Ohio. Tanner joined PMRL in January 2020 to pursue his PhD. His current research interests include fully integrated linear and switch-mode power converters for noise sensitive loads and hardware-secured power supplies. LinkedIn Profile.
Utsav Gupta, Ph.D. Research Associate
Utsav Gupta received his B.Tech. in Electrical & Electronics Engineering from SRM Institute of Science and Technology, Chennai, India in 2018 and M.S. in Electrical Engineering from The University of Texas at Dallas in 2020. His areas of focus in his bachelor’s degree were power systems and electrical machinery with a minor in electronics, while his areas of focus in his the master’s degree were power electronics and motor drives, as well as substantial coursework in signal processing and control systems. He has also completed two internships, one in Havells India Ltd. in 2016 in electrical fuse and switchgear manufacturing and the other in PowerGrid Corporation of India Ltd. in 2017 in the design of power transmission and distribution systems. Utsav joined PMRL in 2020 to pursue his Ph.D. His research is focused on fully-integrated high-voltage power converters in SiC technology. LinkedIn Profile.
Hua Zhang, Ph.D. 2022
Hua Zhang received his B.Sc. and M.Sc. degrees in Electronics Engineering from Southeast University, Nanjing, China, in 2005 and 2008, respectively. From 2008 to 2017 he was an analog and mixed-signal IC design engineer at Qimonda (Suzhou, 2008-2009), EPC (Changshu, 2009-2011) and Diodes (Shanghai, 2011-2017). His industrial experience includes high speed ADCs, timing circuits, and low-power Primary Side Regulation AC-DC battery chargers/adapters. Hua joined PMRL in 2017 to pursue his Ph.D. His current research interests include wideband switching power modulators for RF applications and power converters in SiC technologies. Hua completed his Ph.D. degree in 2022. His thesis is entitled "Fully Integrated Switching Power Converters in Silicon Carbide Technology". Hua has accepted a senior analog and power management IC design engineer with Texas Instruments Inc. LinkedIn Profile.
Jacob Perch, M.Sc. 2022
Jacob Perch received his B.Sc. degree in Electrical and Computer Engineering from The Ohio State University in 2021. During the summers of 2019 and 2021, he interned at Texas instruments as a Product/Test engineer where he gained experience in qualification, characterization, and testing of power management integrated circuits. Jacob joined PMRL in 2021 as a visiting Master's student pursuing research focused on the design and testing of integrated hardware-secured power converters. Jacob completed his degree in May, 2022 and accepted a position with Texas Instruments Inc. LinkedIn Profile.
Maxwell Ganzhorn, B.Sc. 2022
Maxwell Ganzhorn joined PMRL as an undergraduate research associate in January, 2022 working on the design, simulation, and testing on analog and mixed-signal circuits in 22nm CMOS. Previously, he accumulated engineering internship experience as an assistant controls engineer working on the design and fabrication of dynamometer testing machinery used in both civilian and military applications. Max received his B.Sc. degree in Electrical and Computer Engineering from The Ohio State University in May, 2022 and is currently pursuing his MBA at Case Western Reserve University. LinkedIn Profile.
Jeffrey Blankenship, B.Sc. 2022
Jeffrey Blankenship joined PMRL as an undergraduate research associate in January, 2022 working on the design, simulation, and testing on analog and mixed-signal circuits in 22nm CMOS. Prior to joining PMRL, he received his AAS in Electronic Engineering Technology from Columbus State in 1994 and had worked for 22 years in the wireless communications industry supporting current engineering activities for CDMA, LTE and 5G radio and amplifier designs at Lucent Technologies, Alcatel-Lucent, and Nokia. Jeffrey completed his B.Sc. degree in Electrical and Computer Engineering from The Ohio State University in May, 2022, where he focused his studies on high-frequency electronics, ultra-wideband wireless communication, and radio wave propagation. LinkedIn Profile.
Sita Asar, Ph.D., 2020
Sita Asar received her B.Sc. in Physics and her M.Sc. in Electrical and Computer Engineering in 2005 and 2016, respectively, both from the Ohio State University. As an undergraduate research assistant under Professor Paul Berger at Ohio State, she focused on polymer device fabrication, where she successfully fabricated the first polymer-based tunneling diode. During her Master’s work, she focused on analog circuit design for audio applications. She was a summer intern at EdgeThingz Inc., where she worked on energy-harvesting-based battery chargers for IoT devices, and she also instructs laboratory courses in power management integrated circuits, analog electronics, and power electronics at the Dept. of Electrical and Computer Engineering at Ohio State. Sita joined PMRL to pursue her Ph.D. on Jan. 2017, where she obtained her Ph.D. degree in 2020. Her PhD research was focused on on-chip dynamic power supplies for mixed-signal SoCs. Sita is currently a senior analog and power management IC design engineer with KBR. LinkedIn Profile.
Manmeet Singh, Ph,D., 2020
Manmeet Singh received his B.Sc. degree in Electronics and Communications Engineering from University of Mumbai, Mumbai, India, in 2008. From 2008 to 2011 he was an Analog/Mixed-Signal IC Design Engineer at Larsen and Toubro Ltd, Mumbai, India, where he worked on the design of high-resolution ADC circuits, power management integrated circuits, low current amplifiers and high precision band-gaps. He then received his M.Sc. degree in Electrical and Computer Engineering from Arizona State University in 2013. Mr. Singh was a summer intern at Apple Inc. and became the Winner of the iContest – an internal competition restricted to Apple interns on presenting an innovative and feasible product idea in 2012. From 2013 to 2016, he was with Texas instruments Inc., Phoenix, as a Power Management IC Designer, where he worked on the design of high efficiency Buck Controllers, LDOs, and Battery Chargers. In 2016, he joined the Power Management Research Labs at the Department of Electrical and Computer Engineering, The Ohio State University, where he obtained his Ph.D. degree in 2020. He received the 1st place in the Kraus Memorial Graduate Student Poster Competition at The Ohio State University in 2020. Dr. Singh is currently with Cypress Semiconductor. LinkedIn Profile.
Muhammad Ahmed, Ph.D., 2018
Muhammad Ahmed received his B.Sc. and M.Sc. degrees in Electrical Engineering from Ain Shams University, Cairo, Egypt, in 2010 and 2015, respectively. From 2010 to 2015 he was an Analog/Mixed-Signal IC Design Engineer at MEMS Vision LLC, Cairo, Egypt, where he worked on the design of high-performance clocking circuits, power management integrated circuits, and low-power, high-resolution Data Converters. In 2018, he received his Ph.D. degree from the Power Management Research Lab, Dept. of Electrical and Computer Engineering, The Ohio State University, Columbus, OH, USA. His Ph.D. research focused on high-frequency on-chip switching power converters and low-noise power converters for mixed-signal SoCs. Since 2018, Dr. Ahmed has been with Texas Instruments Inc., Dallas, Texas, where he is working on Analog and Power Managment Integrated Circuits. Dr. Ahmed received the Best M.Sc. Thesis Award from Ain Shams University in 2015, the 1st place in the Kraus Memorial Graduate Student Poster Competition at The Ohio State University in 2018, and the IEEE Solid-State Circuits Society Student Travel Grant (STGA) in 2018. He serves as a reviewer for IEEE Transactions on Circuits and Systems (TCAS)-I, and TCAS-II, IEEE International Symposium on Circuits and Systems, IEEE International Midwest Symposium on Circuits and Systems. LinkedIn Profile.
Bora Tar, Postdoc Scholar, May 2016-Dec. 2017
Bora Tar received the B.Sc. and Ph.D. degrees in electrical and electronics engineering from Yeditepe University, Istanbul, Turkey, in 2007 and 2014 respectively. He joined PMRL as a postdoctoral research fellow in 2016. His research interests include analog and mixed signal integrated-circuit design and its applications in energy harvesting and sensor networks. He is currently an Integrated Circuit Design Engineer at the Dept. of Physics, The Ohio State University. LinkedIn Profile.
Ahmed Abdelmoaty, Ph.D., 2016
Ahmed Abdelmoaty received his B.Sc. degree with honors in electronics and communications engineering from Cairo University, Cairo, Egypt in 2008, and his M.Sc. degree from the Center for Nanoelectronics and Devices (CND) at the American University in Cairo (AUC), Cairo, Egypt in summer 2012. From July, 2010 to July, 2011, he was an intern with the Power Delivery Circuits and Systems (PDCS) group in the Circuit Research Lab (CRL) at Intel Inc., Oregon, where he worked on optimizing low-power power management circuits. Ahmed joined PMRL in 2015 to work on power conversion and battery charging platforms for energy harvesting applications. He obtained his Ph.D. degree in 2016 and is currently with Qualcomm Inc., San Jose, California. LinkedIn Profile.
Mina Nashed, Ph.D., 2016
Mina Nashed received his B.Sc. degree with honors from the Electronics and Communications Engineering Department at Ain-Shams University, Cairo, Egypt in 2009. He then received his M.Sc. degree from the Nanoelectronics Integrated Systems Center at Nile University, Cairo, Egypt in 2011. Mina joined PMRL in 2013 to work on power management IC design for spur-free hysteretic buck converters. He obtained his Ph.D. degree in 2016 and is currently with Qualcomm Inc., San Jose, California. LinkedIn Profile.
Yongjie Jiang, Ph.D., 2016
Yongjie Jiang received his B.Sc. degree in Electrical Engineering from Shanghai Jiao Tong University, China, in 2011. He received his Ph.D. degree from the Power Management Research Lab in 2016, where he worked on single-inductor multi-output switching regulators in nanometer CMOS technologies. Yongjie is currently with Apple Inc., Cupertino, California. LinkedIn Profile.
Mohamed Elkhatib, Visiting Scholar, Feb.-Aug., 2016
Mohamed M. Elkhatib received the B.Sc. and M.Sc. degrees from MTC, Cairo, Egypt in 1994 and 1999 respectively. He received the PhD from University of Strathclyde, Glasgow, United Kingdom in Dec. 2007. He worked as Consultant and Analog Circuit Designer, for PSI Electronics, Glasgow, UK from Sep.2007 to Feb.2008. He then joined the Electronics Engineering Department, MTC as assistant professor since 2008 and till now. He has been promoted to an associate professor in 2015. He also a Visiting Lecturer in many Egyptian Universities. He is served as Technical reporter (organization Board) of the 6th International Scientific Conference of the Military Technical College, ISC-MTC-6, 2012 and Conference Rapporteur Assistant of the “9th INTERNATIONAL CONFERENCE ON ELECTRICAL ENGINEERING ICEENG-9. He is also in the technical panel of “IEEE European DSP Education & Research Conference”. His research interests include modeling and characterization of MOS devices, Sensors read out circuits, mixed-mode VLSI design, Low power circuit design, ASICs for control applications, Intelligent control systems, Fuzzy systems, Mechatronics control systems design, wireless sensor nodes, Power management circuit design and fuzzy Energy harvesting. He has published many conference and journal papers. From Feb. to Aug. of 2016, Dr. El-Khatib was a visting scholar at the Power Management Research Lab (PMRL), Department of Electrical and Computer Engineering, The Ohio State University, where he worked on fuzzy control of linear power regulators. LinkedIn Profile.
Chih-Wei Chen, Ph.D., 2015
Chih-Wei Chen received the B.Sc. degree from National Taiwan University, Taipei, in 2000, and the M.S. degree from University of Southern California, Los Angeles, in 2004, both in electrical engineering. From 2004 to 2010, he was a senior research engineer engaged in Δ-Σ converters design in Sunplus Technology, Taiwan. He received his Ph.D. degree from the Power Management Research Lab in the area of fully-integrated switching power regulators for mixed-signal SoCs in 2015. Chih-Wei is currently with Samsung Inc., San Jose, CA. LinkedIn Profile.
Wei Fu, Ph.D., 2015
Wei Fu received his B.Sc. degree in Electrical Engineering from Tianjin University, China, in 2008, where his undergraduate research was in the field of RFID technology. He received his M.Sc. and Ph.D. degrees from the Power Management Research Lab (PMRL) in 2011 and 2015 respectively, where he worked on high-frequency buck converters with on-chip passives in 65nm CMOS technology. Wei is currently with the Microcontroller business unit at Texas Instruments Inc., Dallas, Texas, where he is working on ultra low-power power converters design in nanometer CMOS technologies. LinkedIn Profile.
Ailing Mei, M.Eng., 2014. LinkedIn Profile.
Yingying Chen, M.Sc., 2014
Yingying Chen received her B.Sc. degree from the School of Physics and Technology, Wuhan University in 2012, and her MSc. degree from the Power Management Research Lab (PMRL) in 2014. Her research work was on fully-integrated high PSR linear regulator design for low-noise applications. Yingying is currently with Broadcom, San Diego. LinkedIn Profile.
Mohamed El Mahalawy, M.Eng., 2014
Mohamed El Mahalawy received his B.Sc. degree with honors from the Electronics and Communications Engineering Department at Alexandria University, Alexandria, Egypt in 2007. He then received his M.Sc. degree from the Nanoelectronics Integrated Systems Center at Nile University, Cairo, Egypt in 2011. From Jan., 2009 to Dec., 2009, he was an intern with the Circuit Research Lab (CRL) at Intel Inc., Oregon, where he worked on the design of amplifiers for MEMS-based sensors, and the design of All-Digital PLLs. Mohamed joined PMRL in 2012, where he worked on wide bandwidth GaN-based power modulators for high efficiency power amplifiers. He obtained his M.Eng. degree in 2013 and joined Rockwell Collins Inc. till 2016. He is currently pursuing his Ph.D. degree at the University of California, Santa Barbara, California. LinkedIn Profile.
Shibing Zhao, M.Eng., 2014
Shibing Zhao received his B.Sc. degree in Electrical & Computer Engineering from Iowa State University in 2011, and his MEng. degree from the Power Management Research Lab in 2013. His research work was on CMOS Low Drop-out Linear Regulator design for low-noise applications. He is currently with Skyworks Inc. in Cedar Rapids, Iowa. LinkedIn Profile.
Chengwu Tao, Ph.D., 2011
Chengwu Tao received his B.Sc. degree in Physics from University of Science and Technology of China in 2005 and later received a M.Sc. Degree in Electrical Engineering from Iowa State University in 2008. He received his Ph.D. degree from the Power Management Research Lab in 2011 in the area of wireless/RF friendly integrated switching regulators. Chengwu is currently with Qualcomm Inc., San Jose, California. LinkedIn Profile.