A 110nA quiescent current buck converter with zero-power supply monitor and near-constant output ripple. - Danzhu Lu; Suyi Yao; Bin Shao (CICC, 2015)

21.3 A 200nA single-inductor dual-input-triple-output (DITO) converter with two-stage charging and process-limit cold-start voltage for photovoltaic and thermoelectric energy harvesting. - Yanfeng Lu; Suyi Yao; Bin Shao; Paul Brokaw (ISSCC, 2016)

A 95.3% Peak Efficiency, 135NA Quiescent Current Buck-Boost DC-DC Converter with Current-Slope-Based Mode Control. - Danzhu Lu; Peng Liu; Suyi Yao; Langyuan Wang; Jie He (VLSI Circuits, 2018)