Investigation of capacitor voltage balancing in practical implementations of flying capacitor multilevel converters

Z Ye, Y Lei, Z Liao… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
Capacitor voltage natural balancing is an attractive feature of flying capacitor multilevel
(FCML) converters. However, with the commonly used phase-shifted pulsewidth modulation …

State-Space Modeling and Control of Flying-Capacitor Multilevel DC-DC Converters

Z Xia, K Datta, JT Stauth - IEEE Transactions on Power …, 2023 - ieeexplore.ieee.org
Hybrid and resonant switched-capacitor converters show promise in a number of power
management applications, but are subject to a range of challenges in control and …

Balancing limits of flying capacitor voltages in coupled inductor fcml converters

DH Zhou, J Celikovic, Y Elasser… - 2022 IEEE 23rd …, 2022 - ieeexplore.ieee.org
Ensuring that the flying capacitor voltages are balanced is critical to the operation of flying
capacitor multilevel (FCML) converters. This paper systematically explores robust voltage …

Natural balancing of flying capacitor multilevel converters at nominal conversion ratios

Z Xia, BL Dobbins, JT Stauth - 2019 20th Workshop on Control …, 2019 - ieeexplore.ieee.org
This work explores the mechanisms and limitations of natural voltage balancing in flying
capacitor multilevel (FCML) DC-DC converters. A simple discrete-time state space model is …

A high-efficiency DC/DC converter for high-voltage-gain, high-current applications

Y Qin, Y Yang, S Li, Y Huang, SC Tan… - IEEE Journal of …, 2019 - ieeexplore.ieee.org
A new class of high-voltage-gain dc-dc converters for high-efficiency and transformer-less dc-
dc applications, where large voltage step-up ratios are required, is presented in this paper …

Fundamental state-space modeling methodology for the flying capacitor multilevel converter

NC Brooks, RK Iyer, RS Bayliss… - 2022 IEEE 23rd …, 2022 - ieeexplore.ieee.org
In recent decades the flying capacitor multilevel (FCML) converter has been demonstrated to
be a highly com-pact and efficient substitute for conventional switched inductive topologies …

A 92.4% efficient, 5.5 V: 0.4-1.2 V, FCML converter with modified ripple injection control for fast transient response and capacitor balancing

JS Rentmeister, JT Stauth - 2020 IEEE Custom Integrated …, 2020 - ieeexplore.ieee.org
This paper presents a highly-integrated, 5-level flying capacitor multilevel (FCML) dc-dc
converter that uses augmented ripple-injection control to achieve self-startup, fast transient …

State space analysis of flying capacitor multilevel DC-DC converters for capacitor voltage estimation

Z Xia, BL Dobbins, JS Rentmeister… - 2019 IEEE Applied …, 2019 - ieeexplore.ieee.org
Flying capacitor multilevel (FCML) converters show great promise for a number of DC-DC
applications, but are subject to problems with voltage balance on the flying capacitors. A …

Multiphase fcml converter with coupled inductors for ripple reduction and intrinsic flying capacitor voltage balancing

DH Zhou, A Bendory, C Li… - 2022 IEEE Applied Power …, 2022 - ieeexplore.ieee.org
This paper investigates multiphase flying capacitor multilevel (FCML) converters with
coupled inductors for ripple reduction and intrinsic flying capacitor voltage balancing. FCML …

A double-integral sliding mode-based hybrid control for a single-input-multiple-output buck converter

Y Mao, Y Yang - IEEE Journal of Emerging and Selected Topics …, 2021 - ieeexplore.ieee.org
A hybrid single-input-multiple-output (SIMO) buck converter is recently proposed for high-
voltage-step-down and transformerless dc-dc applications. By far, no closed-loop control …