Quasi-hysteretic floating buck LED driver with adaptive off-time for accurate average current control in high brightness lighting. - Sandip Uprety; Hai Chen; Dongsheng Ma 001 (ISCAS, 2011)

23.6 A 43V 400mW-to-21W global-search-based photovoltaic energy harvester with 350μs transient time, 99.9% MPPT efficiency, and 94% power efficiency. - Sandip Uprety; Hoi Lee (ISSCC, 2014)

A 0.4W-to-21W Fast-Transient Global-Search-Algorithm Based Integrated Photovoltaic Energy Harvester With 99% GMPPT Efficiency and 94% Power Efficiency. - Sandip Uprety; Hoi Lee (IEEE J. Solid State Circuits, 2016)

22.5 A 93%-power-efficiency photovoltaic energy harvester with irradiance-aware auto-reconfigurable MPPT scheme achieving >95% MPPT efficiency across 650µW to 1W and 2.9ms FOCV MPPT transient time. - Sandip Uprety; Hoi Lee (ISSCC, 2017)

A 0.65-mW-to-1-W Photovoltaic Energy Harvester With Irradiance-Aware Auto-Configurable Hybrid MPPT Achieving >95% MPPT Efficiency and 2.9-ms FOCV Transient Time. - Sandip Uprety; Hoi Lee (IEEE J. Solid State Circuits, 2021)