LLC resonant converter with 99% efficiency for data center server
The new generation of processors for CPUs, GPUs and AI demand a significantly higher
current level of 500A-1000 amperes. To accommodate this significant increase in power …
current level of 500A-1000 amperes. To accommodate this significant increase in power …
Improved balance technique for common-mode noise suppression of PCB-based PFC
Symmetry and cancellation techniques are often employed to suppress common-mode (CM)
noises in switching power converters. In addition, shielding technique (Fei et al., 2018) has …
noises in switching power converters. In addition, shielding technique (Fei et al., 2018) has …
A 3-D Winding Structure for Planar Transformers and Its Applications to LLC Resonant Converters
This article proposed a new 3-D parallel winding method (also named planar-Litz), which
just requires minimal interleaving between primary and secondary windings. Low ac …
just requires minimal interleaving between primary and secondary windings. Low ac …
Forced air-cooling thermal design methodology for high-density, high-frequency, and high-power planar transformers in 1U applications
Due to increased loss per unit volume in power transformers when operating at higher
frequency, the increase in cooling system size can outweigh high-frequency transformer …
frequency, the increase in cooling system size can outweigh high-frequency transformer …
Overview of planar magnetics for high-frequency resonant converters
Y Liu, Y Song, D Hu, Y Li, Z Zhang… - Chinese Journal of …, 2022 - ieeexplore.ieee.org
With the continuous development of power supplies toward miniaturization, light weights,
and high levels of integration, research on high-frequency resonant conversion based on …
and high levels of integration, research on high-frequency resonant conversion based on …
A Method to Embed Resonant Inductor Into PCB Matrix Transformer for High-Density Resonant Converters
Magnetic integration of the passive transformer and inductor is a key to realizing a high-
performance LLC resonant converter. With the advent of wide-bandgap devices, magnetics …
performance LLC resonant converter. With the advent of wide-bandgap devices, magnetics …
11-kW high-frequency high-density bidirectional OBC with PCB winding magnetic design
The trend of increasing power in on-board chargers (OBCs) is evident as demand of faster
charging time from customers. This will lead to challenges for engineers to design the OBCs …
charging time from customers. This will lead to challenges for engineers to design the OBCs …
400–48-V stacked active bridge converter
B Majmunović, D Maksimović - IEEE Transactions on Power …, 2022 - ieeexplore.ieee.org
This article presents a transformerless high step-down dc–dc converter based on a stacked
active bridge (SAB) configuration. The SAB converter consists of series-stacked capacitively …
active bridge (SAB) configuration. The SAB converter consists of series-stacked capacitively …
Interleaved LCLC resonant converter with precise current balancing over a wide input voltage range
M Forouzesh, YF Liu - IEEE Transactions on Power Electronics, 2021 - ieeexplore.ieee.org
An interleaved LCLC resonant converter with accurate current balancing performance over
a wide input voltage range is proposed. Resonant tank components have slight tolerances …
a wide input voltage range is proposed. Resonant tank components have slight tolerances …
A high-frequency pcb-winding transformer design with medium voltage insulation for solid-state transformer
A Solid-state transformer directly reduces medium voltage to low voltage (eg 400 V) with
minimized power conversion stages. Insulation structure is the bottleneck of DC-DC module …
minimized power conversion stages. Insulation structure is the bottleneck of DC-DC module …