An Analytical Model for Stepwise Adiabatic Driver Energy Consumption

TL;DR

This paper introduces a comprehensive analytical model to accurately predict the energy consumption per cycle of stepwise adiabatic drivers, considering various circuit parameters and validated against simulations.

Contribution

It provides the first complete closed-form analytical model for stepwise adiabatic driver energy consumption, improving accuracy over previous models.

Findings

Model closely matches simulation results

Energy consumption depends on number of steps and circuit parameters

Outperforms previous analytical models in accuracy

Abstract

This paper presents a complete closed-form analytical model for determining the per-cycle energy consumption of stepwise adiabatic drivers used for driving a capacitive load such as a power FET gate. The model takes into account the number of steps used, the stepwise driver tank capacitance, the load capacitance, and the stepwise driver switch resistance and on-time. Model accuracy is compared to that of simulation and models from previous work.