Supercapacitor-based reconfigurable energy management unit for autonomous wireless sensor nodes. - Joseph Sankman; Hai Chen; Dongsheng Ma 001 (ISCAS, 2011)

A subthreshold digital maximum power point tracker for micropower piezoelectric energy harvesting applications. - Joseph Sankman; Dongsheng Ma 001 (VLSI-SoC, 2011)

4.2 A 6A 40MHz four-phase ZDS hysteretic DC-DC converter with 118mV droop and 230ns response time for a 5A/5ns load transient. - Min Kyu Song; Joseph Sankman; Dongsheng Ma 001 (ISSCC, 2014)

A 40-MHz current-mode hysteretic controlled switching converter with digital push-pull current pumping technique for high performance microprocessors. - Joseph Sankman; Minkyu Song; Dongsheng Ma 001 (VLSI-DAT, 2014)

A 40-MHz 85.8%-peak-efficiency switching-converter-only dual-phase envelope modulator for 2-W 10-MHz LTE power amplifier. - Joseph Sankman; Minkyu Song; Dongsheng Ma 001 (VLSIC, 2014)

An input-powered 1.1-μA Iq 13.56 MHz RF energy harvesting system for biomedical implantable devices. - James Davis 009; Joseph Sankman; Dongsheng Ma 001 (ASICON, 2015)

16.7 A 20V 8.4W 20MHz four-phase GaN DC-DC converter with fully on-chip dual-SR bootstrapped GaN FET driver achieving 4ns constant propagation delay and 1ns switching rise time. - Minkyu Song; Lei Chen 057; Joseph Sankman; Stephen Terry; Dongsheng Ma 001 (ISSCC, 2015)

A 200-MHz 4-phase fully integrated voltage regulator with local ground sensing dual loop ZDS hysteretic control using 6.5nH package bondwire inductors on 65nm bulk CMOS. - Minkyu Song; Joseph Sankman; Jayeol Lee; Dongsheng Brian Ma (ASP-DAC, 2016)

16.8 A 3-to-40V 10-to-30MHz automotive-use GaN driver with active BST balancing and VSW dual-edge dead-time modulation achieving 8.3% efficiency improvement and 3.4ns constant propagation delay. - Xugang Ke; Joseph Sankman; Minkyu Song; Pooya Forghani; Dongsheng Brian Ma (ISSCC, 2016)

25.1 A 50.7% peak efficiency subharmonic resonant isolated capacitive power transfer system with 62mW output power for low-power industrial sensor interfaces. - Lei Chen 057; Joseph Sankman; Rajarshi Mukhopadhyay; Mark Morgan; Dongsheng Brian Ma (ISSCC, 2017)

25.2 A 10MHz 3-to-40V VIN tri-slope gate driving GaN DC-DC converter with 40.5dBµV spurious noise compression and 79.3% ringing suppression for automotive applications. - Xugang Ke; Joseph Sankman; Yingping Chen; Lenian He; Dongsheng Brian Ma (ISSCC, 2017)

A Tri-Slope Gate Driving GaN DC-DC Converter With Spurious Noise Compression and Ringing Suppression for Automotive Applications. - Xugang Ke; Joseph Sankman; Yingping Chen; Lenian He; Dongsheng Brian Ma (IEEE J. Solid State Circuits, 2018)

A Cost-Effective Adaptive Rectifier for Low Power Loosely Coupled Wireless Power Transfer Systems. - Erhan Ozalevli; Nicola Femia; Giulia Di Capua; Rajaram Subramonian; Dingkun Du; Joseph Sankman; Mustapha El Markhi (IEEE Trans. Circuits Syst. I Regul. Pap., 2018)

A 3-to-40-V Automotive-Use GaN Driver With Active Bootstrap Balancing and VSW Dual-Edge Dead-Time Modulation Techniques. - Xugang Ke; Dong Yan; Joseph Sankman; Min Kyu Song; Dongsheng Ma 001 (IEEE J. Solid State Circuits, 2021)

On-Chip HV Bootstrap Gate Driving for GaN Compatible Power Circuits Operating Above 10 MHz. - Min Kyu Song; Lei Chen 057; Joseph Sankman; Dongsheng Brian Ma (IEEE J. Solid State Circuits, 2022)