Ma, Dongsheng (Brian)
Professor Ma holds the Erik Jonsson Distinguished Chair and is head of the Integrated System Design Laboratory (ISDL), which focuses on developing core technologies for high-performance and low-power integrated systems. The applications range from power management ICs, high-speed high-resolution wire and wireless communication circuits and systems, sensor nodes and networks, to biomedical instruments. In 2017 he was awarded the Distinguished Chair in Microelectronics.
Learn more about Dr. Ma's research on his Profile and Research Explorer pages.
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A 25-MHz Four-Phase SAW Hysteretic Control DC-DC Converter with 1-Cycle Active Phase Count (Institute of Electrical and Electronics Engineers Inc., 2019-02-22)In order to meet stringent power requirements in modern application processors, a 25-MHz four-phase dc-dc power converter is presented. It employs an adaptive window hysteretic control to facilitate ultra-fast transient ...
15.6 A 10MHz i-Collapse Failure Self-Prognostic GaN Power Converter with TJ -Independent In-Situ Condition Monitoring and Proactive Temperature Frequency Scaling With superior figure of merits, GaN switchs are highly anticipated to replace MOSFETs in high-performance power circuits , . However, GaN technology today still faces formidable reliability challenges . While GaN ...
15.7 An 8.3MHz GaN Power Converter Using Markov Continuous RSSM for 35dBμV Conducted EMI Attenuation and One-Cycle TON Rebalancing for 27.6dB VO Jittering Suppression GaN power switches have gained fast-growing popularity in power electronics. With a similar R DS_ON resistance, they boast 2-to-3-order lower gate capacitance than silicon counterparts, making them highly desirable in ...
Recent Design Development in Molecular Imaging for Breast Cancer Detection using Nanometer CMOS Based Sensors As one of the key clinical imaging methods, the computed X-ray tomography can be further improved using new nanometer CMOS sensors. This will enhance the current technique's ability in terms of cancer detection size, ...