A Phase-Locked Minimum-Energy-Point-Tracking Enabled by Unified-Clock-Power-and-Body-Bias Slack Regulation and PI-Ratio Based In-Situ Loop Gain Optimization with 97.4% Supply Voltage Margin Recovery at Minimum-Energy-Point in 28nm FDSOI. - Minhyeok Jeong; Hyungmin Gi; Minsik Cho; Mingyu Kim; Donggyu Kim; Sungyong Park; Woonjae Lee; Seonho Kim; Yeohoon Yoon; Shin Han; Donguk Seo; Jongmin Lee 001; et al. (CICC, 2025)