Publications
] , “Modeling DC-DC Converter Efficiency and Power Management in Ultra Low Power Systems”, in Subthreshold Microelectronics Conference, 2012.
, “A 10mV-Input Boost Converter with Inductor Peak Current Control and Zero Detection for Thermoelectric and Solar Energy Harvesting with 220mV Cold-Start and -14.5dBm, 915MHz RF Kick-Start”, IEEE Journal of Solid-State Circuits (JSSC), vol. 50, pp. 1820-1832, 2015.
, “A 50nW, 100kbps Clock/Data Recovery Circuit in an FSK RF Receiver on a Body Sensor Node”, in VLSI Design Conference, 2013.
, “A 150nW, 5ppm/oC, 100kHz On-Chip Clock Source for Ultra Low Power SoCs”, in Custom Integrated Circuits Conference, San Jose, 2012.
, “A 10mV-Input Boost Converter with Inductor Peak Current Control and Zero Detection for Thermoelectric Energy Harvesting”, in IEEE Custom Integrated Circuits Conference (CICC), 2014.
, “A 32nW Bandgap Reference Voltage Operational from 0.5V Supply for Ultra-low Power Systems”, in EEE International Solid-State Circuits Conference (ISSCC), 2015.
, “A Charge Pump Based Receiver Circuit for a Voltage Scaled Interconnect”, in International Symposium on Low Power Electronics and Design, 2012.
, “A 1.2μW SIMO Energy Harvesting and Power Management Unit with Constant Peak Inductor Current Control Achieving 83-92% Efficiency Across Wide Input and Output Voltages”, in Symposium on VLSI Circuits, 2014.
, “A 1.5nW, 32.768kHz XTAL Oscillator Operational from 0.3V Supply”, IEEE Journal of Solid-State Circuits (JSSC), vol. 51, 2016.
, “Recursive Statistical Blockade: An Enhanced Technique for Rare Event Simulation with Application to SRAM Circuit Design”, in International Conference on VLSI Design, India, 2008, pp. 131-136.
, “Fast Algorithm for Clock Grid Simulation”, in European Solid State Circuits Conference (ESSCIRC), 2002, pp. 771-774.
, “A Capacitance-Based Whisker-like Artificial Sensor for Fluid Motion Sensing”, in IEEE Sensors, 2010.
, “Reducing the Cost of Safety-Critical Systems with On-Demand Redundancy”, in SRC Techcon, 2012.
, “An 81.0% Peak Efficiency, 1.0W/cm^3 Miniaturized 5V/1A AC-DC Converter using a Highly-Integrated Primary-Side Active Clamp Flyback Controller with Adaptive Frequency and Zero-Voltage Switching”, in 2025 IEEE Custom Integrated Circuits Conference (CICC), In Press.
, “Minimum-Energy Digital Computing with Steep Subthreshold Swing Tunnel FETs”, IEEE Journal of Exploratory Solid-State Computational Devices and Circuits (JxCDC), 2020.
Minimum-Energy Digital Computing With Steep Subthreshold Swing Tunnel FETs.pdf (1.02 MB)
Minimum-Energy Digital Computing With Steep Subthreshold Swing Tunnel FETs.pdf (1.02 MB), “A 0.5V 560kHz 18.8fJ/Cycle Ultra-Low Energy Oscillator in 65nm CMOS with 96.1ppm/°C Stability Using a Duty-Cycled Digital Frequency-Locked Loop”, in 2020 IEEE Symposium on VLSI Circuits (VLSI), 2020. A 0.5V 560kHz 18.8fJ_Cycle Ultra-Low Energy Oscillator in 65nm CMOS with 96.1ppm_C Stability Using a Duty-Cycled Frequency-Locked Loop.pdf (2.67 MB)
A 0.5V 560kHz 18.8fJ_Cycle Ultra-Low Energy Oscillator in 65nm CMOS with 96.1ppm_C Stability Using a Duty-Cycled Frequency-Locked Loop.pdf (2.67 MB), “A 0.6-V 44.6-fJ/Cycle Energy-Optimized Frequency-Locked Loop in 65-nm CMOS With 20.3-ppm/°C Stability”, IEEE Solid-State Circuits Letters (SSCL), 2019. A 0.6-V 44.6-fJ Cycle Energy-Optimized Frequency-Locked Loop in 65-nm CMOS With 20.3-ppm C Stability.pdf (1.64 MB)
A 0.6-V 44.6-fJ Cycle Energy-Optimized Frequency-Locked Loop in 65-nm CMOS With 20.3-ppm C Stability.pdf (1.64 MB), “A 6–140-nW 11 Hz–8.2-kHz DVFS RISC-V Microprocessor Using Scalable Dynamic Leakage-Suppression Logic”, IEEE Solid-State Circuits Letters (SSCL), 2019. A 6–140-nW 11 Hz–8.2-kHz DVFS RISC-V Microprocessor Using Scalable Dynamic Leakage-Suppression Logic (1.63 MB)
A 6–140-nW 11 Hz–8.2-kHz DVFS RISC-V Microprocessor Using Scalable Dynamic Leakage-Suppression Logic (1.63 MB), “A Single-Supply 6-Transistor Voltage Level Converter Design Reaching 8.18-fJ/Transition at 0.3-1.2-V Range or 44-fW Leakage at 0.8-2.5-V Range”, IEEE Solid-State Circuits Letters (SSCL), 2020. A Single-Supply 6-Transistor Voltage Level Converter Design Reaching 8.18-fJ_Transition at 0.3-1.2-V Range or 44-fW Leakage at 0.8-2.5-V Range.pdf (1.06 MB)
A Single-Supply 6-Transistor Voltage Level Converter Design Reaching 8.18-fJ_Transition at 0.3-1.2-V Range or 44-fW Leakage at 0.8-2.5-V Range.pdf (1.06 MB), “A 640 pW 22 pJ/sample Gate Leakage-Based Digital CMOS Temperature Sensor with 0.25°C Resolution”, in IEEE Custom Integrated Circuits Conference (CICC) 2019, Austin, TX, 2019. A 640 pW 22 pJ_sample Gate Leakage-Based Digital CMOS Temperature Sensor with 0.25C Resolution.pdf (1.81 MB)
A 640 pW 22 pJ_sample Gate Leakage-Based Digital CMOS Temperature Sensor with 0.25C Resolution.pdf (1.81 MB), “A 0.5V 560-kHz 18.8-fJ/Cycle On-Chip Oscillator with 96.1-ppm/°C Steady-State Stability Using a Duty-Cycled Digital Frequency-Locked Loop”, IEEE Journal of Solid-State Circuits, 2021. A 0.5-V 560-kHz 18.8-fJ_Cycle On-Chip Oscillator With 96.1ppm_C Steady-State Stability Using a Duty-Cycled Digital Frequency-Locked Loop.pdf (2.95 MB)
A 0.5-V 560-kHz 18.8-fJ_Cycle On-Chip Oscillator With 96.1ppm_C Steady-State Stability Using a Duty-Cycled Digital Frequency-Locked Loop.pdf (2.95 MB), “Improving Dynamic Leakage Suppression Logic with Forward Body Bias in 65nm CMOS”, in IEEE SOI-3D-Subthreshold Microelectronics Technology Unified Conference (S3S), 2019.
, “NanoWattch: A Self-Powered 3-nW RISC-V SoC Operable from 160mV Photovoltaic Input with Integrated Temperature Sensing and Adaptive Performance Scaling”, in 2022 IEEE Symposium on VLSI Circuits (VLSI), (Equally-Credited Authors), 2022. NanoWattch A Self-Powered 3-nW RISC-V SoC Operable from 160mV Photovoltaic Input with Integrated Temperature Sensing and Adaptive Performance Scaling.pdf (11.11 MB)
NanoWattch A Self-Powered 3-nW RISC-V SoC Operable from 160mV Photovoltaic Input with Integrated Temperature Sensing and Adaptive Performance Scaling.pdf (11.11 MB), “Channel Length Sizing for Power Minimization in Leakage-Dominated Digital Circuits”, in IEEE SOI-3D-Subthreshold Microelectronics Technology Unified Conference (S3S), 2018.