A 0.6-V power efficient digital LDO with 99.7% current efficiency utilizing load current aware clock modulation for fast transient response. - Karthik Gopal Jayaraman; Karim Rawy; Tony T. Kim (APCCAS, 2016)

A time-based self-adaptive energy-harvesting MPPT with 5.1-µW power consumption and a wide tracking range of 10-µA to 1-mA. - Karim Rawy; Felix Kalathiparambil George; Dominic Maurath; Tony T. Kim (ESSCIRC, 2016)

An 88% efficiency MPPT for PV energy harvesting system with novel switch width modulation for output power 100nW to 0.3mW. - Karim Rawy; Taegeun Yoo; Tony T. Kim (A-SSCC, 2017)

A Self-Adaptive Time-Based MPPT With 96.2% Tracking Efficiency and a Wide Tracking Range of 10 µA to 1 mA for IoT Applications. - Karim Rawy; Felix Kalathiparambil; Dominic Maurath; Tony Tae-Hyoung Kim (IEEE Trans. Circuits Syst. I Regul. Pap., 2017)

An 88% Efficiency 2.4μW to 15.6μW Triboelectric Nanogenerator Energy Harvesting System Based on a Single-Comparator Control Algorithm. - Karim Rawy; Ruchi Sharma; Hong-Joon Yoon; Usman Khan; Sang-Woo Kim; Tony T. Kim (A-SSCC, 2018)

An 88% Efficiency 0.1-300-µW Energy Harvesting System With 3-D MPPT Using Switch Width Modulation for IoT Smart Nodes. - Karim Rawy; Taegeun Yoo; Tony Tae-Hyoung Kim (IEEE J. Solid State Circuits, 2018)