IPESLIntegrated Power Electronics System Laboratory

Selected Journal Papers (In recent 10 years)

• Y. Huang, and D. B. Ma, "Enabling Online GaN Power Device Self-Health Monitoring With Analog SGD Supervised Learning and T_J-independent Precursor Measurement," IEEE Journal of Solid-State Circuits, 2023, Early Access.
• Y. Huang, and D. B. Ma, "Design of Direct 48-V/1-V Three-Path Four-State Switching Power Converter With Adaptive V_CF Rebalancing and Dual-Edge t_dead Modulation," IEEE Journal of Solid-State Circuits, 2023, Early Access.
• L. Du, D. Yan, and D. B. Ma, "An On-Chip Condition-Adaptive Δf³ EMI Control for Switching Power ICs," IEEE Journal of Solid-State Circuits, 2023, Early Access.
• K. Wei, J. W. Kwak, and D. B. Ma, "An Encrypted On-Chip Power Supply With Random Parallel Power Injection and Charge Recycling Against Power/EM Side-Channel Attacks," IEEE Transactions on Power Electronics, vol. 38, no. 1, pp. 500-509, 2023.
• D. Yan and D. B. Ma, "A Monolithic GaN Power IC With On-Chip Gate Driving, Level Shifting, and Temperature Sensing, Achieving Direct 48-V/1-V DC–DC Conversion," IEEE Journal of Solid-State Circuits, vol. 57, no. 12, pp. 3865-3876, 2022.
• M. K. Song, L. Chen, J. Sankman, and D. B. Ma, "On-Chip HV Bootstrap Gate Driving for GaN Compatible Power Circuits Operating Above 10 MHz," IEEE Journal of Solid-State Circuits, vol. 57, no. 3, pp. 942-952, 2022.
• K. Wei, Y. Ramadass, and D. B. Ma, "Direct 12V/24V-to-1V Tri-State Double Step-Down Power Converter With Online V_CF Rebalancing and In-Situ Precharge Rate Regulation," IEEE Journal of Solid-State Circuits, vol. 56, no. 8, pp. 2416-2426, 2021.
• K. Wei and D. B. Ma, "A 10-MHz DAB Hysteretic Control Switching Power Converter for 5G IoT Power Delivery," IEEE Journal of Solid-State Circuits, vol. 56, no. 7, pp. 2113-2122, 2021.
• D. Yan and D. B. Ma, "An Automotive-Use Battery-to-Load GaN-Based Switching Power Converter With Anti-Aliasing MR-SSM and In-Cycle Adaptive ZVS Techniques," IEEE Journal of Solid-State Circuits, vol. 56, no. 4, pp. 1186-1196, 2021.
• Y. Chen and D. B. Ma, "Self-Aging-Prognostic GaN-Based Switching Power Converter Using T_J-Independent Online Condition Monitoring and Proactive Temperature Frequency Scaling," IEEE Transactions on Power Electronics, vol. 36, no. 5, pp. 5022-5031, 2021.
• X. Ke, D. Yan, J. Sankman, M. K. Song, and D. B. Ma, "A 3-to-40-V Automotive-Use GaN Driver With Active Bootstrap Balancing and V_SW Dual-Edge Dead-Time Modulation Techniques," IEEE Journal of Solid-State Circuits, vol. 56, no. 2, pp. 521-530, 2021.
• Y. Chen and D. B. Ma, "A 10-MHz Closed-Loop EMI-Regulated GaN Switching Power Converter Using Emulated Miller Plateau Tracking and Adaptive Strength Gate Driving," IEEE Journal of Solid-State Circuits, vol. 56, no. 2, pp. 531-540, 2021.
• B. Lee and D. B. Ma, "A 20 MHz On-Chip All-NMOS 3-Level DC–DC Converter With Interception Coupling Dead-Time Control and 3-Switch Bootstrap Gate Driver," IEEE Transactions on Industrial Electronics, vol. 68, no. 7, pp. 6339-6347, 2021.
• D. Yan, X. Ke, and D. B. Ma, "Direct 48-/1-V GaN-Based DC–DC Power Converter With Double Step-Down Architecture and Master–Slave AO²T Control," IEEE Journal of Solid-State Circuits, vol. 55, no. 4, pp. 988-998, 2020.
• L. Chen and D. B. Ma, "Design of Monolithic All-NMOS Three-Level Three-phase Switched-Capacitor Power Converter for Industrial Environmental Sensor Conditioning," IEEE Transactions on Industrial Electronics, vol. 67, no. 11, pp. 9873-9881, 2020.
• Y. Chen and D. B. Ma, "EMI-Regulated GaN-Based Switching Power Converter With Markov Continuous Random Spread-Spectrum Modulation and One-Cycle on-Time Rebalancing," IEEE Journal of Solid-State Circuits, vol. 54, no. 12, pp. 3306-3315, 2019.
• B. Lee, M. K. Song, A. Maity, and D. B. Ma, "A 25-MHz Four-Phase SAW Hysteretic Control DC–DC Converter With 1-Cycle Active Phase Count," IEEE Journal of Solid-State Circuits, vol. 54, no. 6, pp. 1755-1763, 2019.
• X. Ke, J. Sankman, Y. Chen, L. He, and D. B. Ma, "A Tri-Slope Gate Driving GaN DC–DC Converter With Spurious Noise Compression and Ringing Suppression for Automotive Applications," IEEE Journal of Solid-State Circuits, vol. 53, no. 1, pp. 247-260, 2018.
• R. Bondade, Y. Zhang, B. Wei, T. Gu, H. Chen, and D. B. Ma, "Integrated Auto-Reconfigurable Power-Supply Network With Multidirectional Energy Transfer for Self-Reliant Energy-Harvesting Applications," IEEE Transactions on Industrial Electronics, 2016, vol. 63, no. 5, pp. 2850-2861.
• J. Sankman, M. K. Song, and D. B. Ma, "Switching-Converter-Only Multiphase Envelope Modulator With Slew Rate Enhancer for LTE Power Amplifier Applications," IEEE Transactions on Power Electronics, 2016, vol. 31, no. 1, pp. 817-826.
• Y. Geng and D. B. Ma, "A 100-MHz Breakdown-Resilient Power Converter With Fully Monolithic Implementation on Nanoscale CMOS Process," IEEE Transactions on Industrial Electronics, 2015, vol. 62, no. 9, pp. 5529-5538.
• Y. Zhang, H. Chen, and D. B. Ma, "A V_O-Hopping Reconfigurable RGB LED Driver With Automatic ΔV_O Detection and Predictive Peak Current Control," IEEE Journal of Solid-State Circuits, 2015, vol. 50, no. 5, pp. 1287-1298.
• Y. Zhang and D. B. Ma, "A Single-Stage Solar-Powered LED Display Driver Using Power Channel Time Multiplexing Technique," IEEE Transactions on Power Electronics, 2015, vol. 30, no. 7, pp. 3772-3780.
• J. Sankman and D. B. Ma, "A 12-μW to 1.1-mW AIM Piezoelectric Energy Harvester for Time-Varying Vibrations With 450-nA I_Q," IEEE Transactions on Power Electronics, 2015, vol. 30, no. 2, pp. 632-643.
• Y. Zhang and D. B. Ma, "A Fast-Response Hybrid SIMO Power Converter with Adaptive Current Compensation and Minimized Cross-Regulation," IEEE Journal of Solid-State Circuits, 2014, vol. 49, no. 5, pp. 1242-1255.
• R. Bondade, Y. Wang, and D. B. Ma, "Design of Integrated Bipolar Symmetric Output DC–DC Power Converter for Digital Pulse Generators in Ultrasound Medical Imaging Systems," IEEE Transactions on Power Electronics, 2014, vol. 29, no. 4, pp. 1821-1829.
• C. Zheng, I. Chowdhury, and D. B. Ma, "Low-Noise Switched-Capacitor Power Converter With Adaptive On-Chip Surge Suppression and Preemptive Timing Control," IEEE Transactions on Power Electronics, 2013, vol. 28, no. 11, pp. 5174-5182.

Selected Conference Papers (In recent 10 years)

• F. Zhou and D. B. Ma, "A 200V Monolithic GaN Dynamic Floating Voltage Level Shifter with Nanosecond Propagation Delays and Noise-Immune Slewing Control," 2024 IEEE Applied Power Electronics Conference and Exposition (APEC), 2024, Accepted.
• J. W. Kwak and D. B. Ma, "Superimposed Quadratic Buck Converter for High-Efficiency Direct 48V/1V Applications," 2024 IEEE Applied Power Electronics Conference and Exposition (APEC), 2024, Accepted.
• Z. Fu, L. Du, and J. W. Kwak and D. B. Ma, "A ΔI_IN Self-Canceled SEPIC Power Converter for EMI CISPR 25 Compliance," 2024 IEEE Applied Power Electronics Conference and Exposition (APEC), 2024, Accepted.
• L. Du, D. Yan, and D. B. Ma, "A Condition-Adaptive Δf³-EMI Control GaN Switching Regulator With Modulation Frequency Envelope Tracking For Full-Spectrum Automotive CISPR 25 Compliance," 2023 IEEE International Solid-State Circuits Conference (ISSCC), 2023, pp. 304-306.
• J. W. Kwak and D. B. Ma, "An Automotive-Use Dual-f_sw-Zone Hybrid Switching Power Converter with V_vo-Jitter-Immune Spread-Spectrum Modulation," 2022 IEEE 48th European Solid State Circuits Conference (ESSCIRC), 2022, pp. 281-284.
• Y. Huang, Y. Ramadass, and D. B. Ma, "A 90.7% 4-W 3P4S Hybrid Switching Converter Using Adaptive V_CF Rebalancing Technique and Switching Node Dual-Edge t_dead Modulation for Extreme 48V/1V Direct DC-DC Conversion," 2022 IEEE Symposium on VLSI Technology and Circuits (VLSI Technology and Circuits), 2022, pp. 178-179.
• L. Du, Y. Huang, and D. B. Ma, "On-Chip Condition Monitoring of GaN Power Devices Using T_J-Independent T_ON Precursor for Device Aging and Gate Leakage I_GSS for Dielectric Failure," 2022 IEEE 34th International Symposium on Power Semiconductor Devices and ICs (ISPSD), 2022, pp. 209-212.
• D. Yan and D. B. Ma, "A Monolithic GaN Direct 48V/1V AHB Switching Power IC with Auto-Lock Auto-Break Level Shifting, Self-Bootstrapped Hybrid Gate Driving, and On-Die Temperature Sensing," 2022 IEEE International Solid- State Circuits Conference (ISSCC), 2022, pp. 1-3.
• D. B. Ma, D. Yan, and L. Du, "Active Conducted EMI Suppression in GaN Switching Power Circuits," 2021 IEEE BiCMOS and Compound Semiconductor Integrated Circuits and Technology Symposium (BCICTS), 2021, pp. 1-6.
• M. K. Song, D. Yan, and D. B. Ma, "A 8.9W/mm², 95.4%-Efficiency, CP-Length Tracking Switching Supply Modulator for 5G New Radio mmWave PA Arrays," ESSCIRC 2021 - IEEE 47th European Solid State Circuits Conference (ESSCIRC), 2021, pp. 319-322.
• L. Du and D. B. Ma, "A 48V-to-1V Buck-Assisted Active-Clamp Forward Converter with Reduced Voltage Stress for Datacenter Applications," 2020 IEEE Energy Conversion Congress and Exposition (ECCE), 2020, pp. 5442-5446.
• D. Yan and D. B. Ma, "An Automotive-Use Battery-to-Load GaN-Based Power Converter with Anti-Aliasing Multi-Rate Spread-Spectrum Modulation and In-Cycle ZVS Switching," 2020 IEEE Symposium on VLSI Circuits, 2020, pp. 1-2.
• Y. Huang, Y. Chen, and D. B. Ma, "18.1 A Self-Health-Learning GaN Power Converter Using On-Die Logarithm-Based Analog SGD Supervised Learning and Online T_J-Independent Precursor Measurement," 2020 IEEE International Solid- State Circuits Conference - (ISSCC), 2020, pp. 286-288.
• K. Wei, Y. Ramadass, and D. B. Ma, "11.1 A Direct 12V/24V-to-1V 3W 91.2%-Efficiency Tri-State DSD Power Converter with Online V_CF Rebalancing and In-Situ Precharge Rate Regulation," 2020 IEEE International Solid- State Circuits Conference - (ISSCC), 2020, pp. 190-192.
• K. Wei, B. Lee, and D. B. Ma, "A 10-MHz 14.3W/mm² DAB Hysteretic Control Power Converter Achieving 2.5W/247ns Full Load Power Flipping and above 80% Efficiency in 99.9% Power Range for 5G IoTs," 2019 Symposium on VLSI Circuits, 2019, pp. C172-C173.
• D. Yan, X. Ke, and D. B. Ma, "A Two-Phase 2MHz DSD GaN Power Converter with Master-Slave AO²T Control for Direct 48V/1V DC-DC Conversion," 2019 Symposium on VLSI Circuits, 2019, pp. C170-C171.
• D. B. Ma, "Driving GaN Power Transistors," 2019 31st International Symposium on Power Semiconductor Devices and ICs (ISPSD), 2019, pp. 87-90.
• Y. Chen and D. B. Ma, "15.6 A 10MHz i-Collapse Failure Self-Prognostic GaN Power Converter with TJ-Independent In-Situ Condition Monitoring and Proactive Temperature Frequency Scaling," 2019 IEEE International Solid- State Circuits Conference - (ISSCC), 2019, pp. 248-250.
• Y. Chen and D. B. Ma, "15.7 An 8.3MHz GaN Power Converter Using Markov Continuous RSSM for 35dBμV Conducted EMI Attenuation and One-Cycle T_ON Rebalancing for 27.6dB V_O Jittering Suppression," 2019 IEEE International Solid- State Circuits Conference - (ISSCC), 2019, pp. 250-252.
• K. Wei and D. B. Ma, "State-of-the-Art Monolithic Switched-Capacitor Voltage Regulators for Ultra-Low Power Internet of Things," 2018 14th IEEE International Conference on Solid-State and Integrated Circuit Technology (ICSICT), 2018, pp. 1-4.
• D. Yan, X. Ke, and D. B. Ma, "Integrated Single-Stage Bi-directional UPS with One-Cycle Mode Switching and Active Deadtime Control for Automotive Electronics," 2018 IEEE Energy Conversion Congress and Exposition (ECCE), 2018, pp. 2081-2085.
• X. Ke and D. B. Ma, "A 3-to-40V VIN 10-to-50MHz 12W isolated GaN driver with self-excited tdead minimizer achieving 0.2ns/0.3ns t_dead, 7.9% minimum duty ratio and 50V/ns CMTI," 2018 IEEE International Solid- State Circuits Conference - (ISSCC), 2018, pp. 140-142.
• D. B. Ma and Y. Wang, "Power Efficient Ultrasound Imaging Diagnosis System Using Adaptive Data Prediction Scheme," 2017 Far East NDT New Technology & Application Forum (FENDT), 2017, pp. 177-180.
• K. Wei and D. B. Ma, "A 0.2V-to-5V fully-integrated reconfigurable buck/boost switched-capacitor voltage regulator for self-powered wireless sensors," 2017 32nd Conference on Design of Circuits and Integrated Systems (DCIS), 2017, pp. 1-6.
• Y. Chen, X. Ke, and D. B. Ma, "A 10MHz 5-to-40V EMI-regulated GaN power driver with closed-loop adaptive miller plateau sensing," 2017 Symposium on VLSI Circuits, 2017, pp. C120-C121.
• K. Wei and D. B. Ma, "Comparative topology and power loss study for high power density and high conversion ratio integrated switching power converters," 2017 IEEE 8th Latin American Symposium on Circuits & Systems (LASCAS), 2017, pp. 1-4.
• Y. Chen, X. Ke, and D. B. Ma, "Integrated isolated power converter using active rectification and closed-loop CRM control for secondary side regulation in E-meters," 2017 IEEE Applied Power Electronics Conference and Exposition (APEC), 2017, pp. 3432-3435.
• X. Ke, K. Wei, and D. B. Ma, "A 10MHz, 40V-to-5V clock-synchronized AOT hysteretic converter with programmable soft start technique for automotive USB chargers," 2017 IEEE Applied Power Electronics Conference and Exposition (APEC), 2017, pp. 2146-2149.
• B. Lee, M. K. Song, and D. B. Ma, "On-chip inductor DCR self-calibration technique for high frequency integrated multiphase switching converters," 2017 IEEE Applied Power Electronics Conference and Exposition (APEC), 2017, pp. 2449-2452.
• B. Lee, M. K. Song, A. Maity, and D. B. Ma, "A 25MHz 4-phase SAW hysteretic DC-DC converter with 1-cycle APC achieving 190ns t_settle to 4A load transient and above 80% efficiency in 96.7% of the power range," 2017 IEEE International Solid-State Circuits Conference (ISSCC), 2017, pp. 190-191.
• L. Chen, J. Sankman, R. Mukhopadhyay, M. Morgan, and D. B. Ma, "A 50.7% peak efficiency subharmonic resonant isolated capacitive power transfer system with 62mW output power for low-power industrial sensor interfaces," 2017 IEEE International Solid-State Circuits Conference (ISSCC), 2017, pp. 428-429.
• X. Ke, J. Sankman, Y. Chen, L. He, and D. B. Ma, "A 10MHz 3-to-40V V_IN tri-slope gate driving GaN DC-DC converter with 40.5dBµV spurious noise compression and 79.3% ringing suppression for automotive applications," 2017 IEEE International Solid-State Circuits Conference (ISSCC), 2017, pp. 430-431.
• X. Ke, L. He, and D. B. Ma, "Design of high accuracy high conversion ratio single-stage switching power converter for modern FPGAs at 10MHz," 2016 13th IEEE International Conference on Solid-State and Integrated Circuit Technology (ICSICT), 2016, pp. 73-76.
• X. Ke, J. Sankman, and D. B. Ma, "A 5MHz, 24V-to-1.2V, AO²T current mode buck converter with one-cycle transient response and sensorless current detection for medical meters," 2016 IEEE Applied Power Electronics Conference and Exposition (APEC), 2016, pp. 94-97.
• X. Ke, J. Sankman, M. K. Song, P. Forghani, and D. B. Ma, "A 3-to-40V 10-to-30MHz automotive-use GaN driver with active BST balancing and V_SW dual-edge dead-time modulation achieving 8.3% efficiency improvement and 3.4ns constant propagation delay," 2016 IEEE International Solid-State Circuits Conference (ISSCC), 2016, pp. 302-304.
• J. Davis, J. Sankman, and D. B. Ma, "An input-powered 1.1-μA Iq 13.56 MHz RF energy harvesting system for biomedical implantable devices," 2015 IEEE 11th International Conference on ASIC (ASICON), 2015, pp. 1-4.
• M. K. Song and D. B. Ma, "Phase synchronization techniques in multiphase hysteretic controlled switching power converters," 2015 International SoC Design Conference (ISOCC), 2015, pp. 113-114.
• M. K. Song, L. Chen, J. Sankman, S. Terry, and D. B. Ma, "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," 2015 IEEE International Solid-State Circuits Conference - (ISSCC) Digest of Technical Papers, 2015, pp. 1-3.
• R. Bondade, Y. Zhang, and D. B. Ma, "A linear-assisted DC-DC hybrid power converter for envelope tracking RF power amplifiers," 2014 IEEE Energy Conversion Congress and Exposition (ECCE), 2014, pp. 5769-5773.
• J. Sankman, M. K. Song, and D. B. Ma, "A 40-MHz current-mode hysteretic controlled switching converter with digital push-pull current pumping technique for high performance microprocessors," Technical Papers of 2014 International Symposium on VLSI Design, Automation and Test, 2014, pp. 1-4.
• M. K. Song, M. F. Dehghanpour, J. Sankman, and D. B. Ma, "A VHF-level fully integrated multi-phase switching converter using bond-wire inductors, on-chip decoupling capacitors and DLL phase synchronization," 2014 IEEE Applied Power Electronics Conference and Exposition - APEC 2014, 2014, pp. 1422-1425.
• M. K. Song, J. Sankman, and D. B. Ma, "A 6A 40MHz four-phase ZDS hysteretic DC-DC converter with 118mV droop and 230ns response time for a 5A/5ns load transient," 2014 IEEE International Solid-State Circuits Conference Digest of Technical Papers (ISSCC), 2014, pp. 80-81.
• Y. Geng and D. B. Ma, "Design of reliable 2×V_DD and 3×V_DD series-parallel charge pumps in nanoscale CMOS," 2013 IEEE International Symposium on Circuits and Systems (ISCAS), 2013, pp. 705-708.
• Y. Zhang and D. B. Ma, "Ultra-fast on-chip load-current adaptive linear regulator for switch mode power supply load transient enhancement," 2013 Twenty-Eighth Annual IEEE Applied Power Electronics Conference and Exposition (APEC), 2013, pp. 1366-1369.
• J. Sankman, M. K. Song, and D. B. Ma, "A VHF-level fully integrated multi-phase switching converter using bond-wire inductors, on-chip decoupling capacitors and DLL phase synchronization," 2013 IEEE Applied Power Electronics Conference and Exposition (APEC), 2013, pp. 1962-1965.