A comprehensive review on modular multilevel converters, submodule topologies, and modulation techniques

LAM Barros, AP Martins, JG Pinto - Energies, 2022 - mdpi.com
The concept of the modular multilevel converter (MLC) has been raising interest in research
in order to improve their performance and applicability. The potential of an MLC is …

Large signal analysis on variations of the hybridized Dickson switched-capacitor converter

NM Ellis, R Amirtharajah - IEEE Transactions on Power …, 2022 - ieeexplore.ieee.org
Dickson-type dc–dc converters have gained renewed interest in recent years due to their
best-in-class volt-amp switch utilization. In addition,“hybrid” switched-capacitor (HSC) …

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 …

The symmetric dual inductor hybrid converter for direct 48V-to-PoL conversion

NM Ellis, RA Abramson, R Mahony… - … on Power Electronics, 2023 - ieeexplore.ieee.org
This work introduces the symmetric dual inductor hybrid (SDIH) dc–dc converter topology,
which is suitable for large conversion ratios where regulation is required, such as direct 48 V …

A Dickson-squared hybrid switched-capacitor converter for direct 48 V to point-of-load conversion

Y Zhu, T Ge, Z Ye… - 2022 IEEE Applied …, 2022 - ieeexplore.ieee.org
More energy-efficient and power-dense solutions to 48 V to point-of-load (PoL) power
conversion are required for modern and future data center power delivery. This paper …

A 500-A/48-to-1-V Switching Bus Converter: A Hybrid Switched-Capacitor Voltage Regulator with 94.7% Peak Efficiency and 464-W/in3 Power Density

Y Zhu, T Ge, NM Ellis, L Horowitz… - 2023 IEEE Applied …, 2023 - ieeexplore.ieee.org
This paper proposes an efficient and compact hybrid switched-capacitor (SC) converter for
direct 48-to-1-V power conversion in data centers. The proposed topology can be viewed as …

Geometrical state-plane analysis of resonant switched-capacitor converters: Demonstration on the cascaded multiresonant converter

T Ge, Z Ye… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
To realize high efficiency and high power density for resonant switched-capacitor (ReSC)
converters, it is critical to have a thorough understanding of the soft-switching mechanism …

A symmetric dual-inductor hybrid dickson converter for direct 48v-to-pol conversion

NM Ellis, RCN Pilawa-Podgurski - 2022 IEEE Applied Power …, 2022 - ieeexplore.ieee.org
This work introduces a new Symmetric Dual-Inductor Hybrid (SDIH) Dickson DC-DC
converter topology that is suitable for large conversion ratios where regulation is required …

MLB-PoL: A high performance hybrid converter for direct 48 V to point-of-load applications

Z Ye, RA Abramson, YL Syu… - 2020 IEEE 21st …, 2020 - ieeexplore.ieee.org
There is an increasing need for more efficient power conversion from 48 V dc to point-of-
load (PoL) applications in datacenters. This work presents a new hybrid converter with Multi …

Butterfly interleaving winding arrangements for multiphase coupled inductors

M Li, Y Liu, Z Ouyang… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
Multiphase coupled inductors in pulse-width modulated (PWM) converters benefit from the
reduced steady-state current ripple and fast transient performance. This article proposes a …