High power factor boost PFC controller with feedforward adaptive on-time control. - Kai-Yu Hu; Yi-Yang Tsai; Sheng-Ming Wang; Chien-Hung Tsai (GCCE, 2016)

Digital Noninverting-Buck-Boost Converter With Enhanced Duty-Cycle-Overlap Control. - Yi-Yang Tsai; Yu-Shin Tsai; Chien-Wu Tsai; Chien-Hung Tsai (IEEE Trans. Circuits Syst. II Express Briefs, 2017)

All-Digital Current-Sensorless Multi-Mode DC-DC Converter for Battery Powered Applications. - Guan-Shen Yao; Yi-Yang Tsai; Kai-Yu Hu; Chun-Yu Chen; Kuan-Hua Lai; Chien-Hung Tsai (GCCE, 2019)