Efficient Dual Output Regulating Rectifier and Adiabatic Charge Pump for Biomedical Applications Employing Wireless Power Transfer

A power management unit (PMU) is an essential block for diversified multi-functional low-power Internet of Things (IoT) and biomedical electronics. This paper includes a theoretical analysis high current, single-stage ac-dc, reconfigurable, dual output, regulating rectifier consisting pulse width modulation (PWM) frequency (PFM). The provides two independently regulated supply voltages 1.8 V 3.3 from input ac voltage. PFM control feedback consists feedback-driven regulation to adjust the driving transistors through adaptive buffers in active rectifier. PWM/PFM mode loop conduction duration accurately minimize losses. design also adiabatic charge pump (CP) provide higher voltage level. CP latch-up power-saving topologies enhance its efficiency. Simulation results show that has 94.3% conversion efficiency with magnitude 3.5 Vp. output 82.3%. overall (VCE) 92.9% total on-chip capacitance 60 pF. circuit was designed using 180 nm CMOS technology.