A 1.8W High-Frequency SIMO Converter Featuring Digital Sensor-Less Computational Zero-Current Operation and Non-Linear Duty-Boost. - Suhwan Kim 002; Harish K. Krishnamurthy; Sergey Sofer; Sheldon Weng; Shahar Wolf; Ashoke Ravi; Krishnan Ravichandran; Ofir Degani; James W. Tschanz; Vivek De (ISSCC, 2023)