A low-power integrated power converter for an electromagnetic vibration energy harvester with 150 mV-AC cold startup, frequency tuning, and 50 Hz AC-to-DC conversion. - Ujwal Radhakrishna; Patrick Riehl; Nachiket V. Desai; Phillip M. Nadeau; Yuechen Yang; Abraham Shin; Jeffrey H. Lang; Anantha P. Chandrakasan (CICC, 2018)