Variable Switching Frequency Techniques for Power Converters: Review and Future Trends

L Zhou, M Preindl - IEEE Transactions on Power Electronics, 2023 - ieeexplore.ieee.org
Variable-frequency (VF) techniques have been widely applied in the fields of power
electronics and motor drives. Based on the categories of frequency variables, the VF …

A constant current control scheme for primary-side controlled flyback controller operating in DCM and CCM

Y Li, Z Zhu - IEEE Transactions on Power Electronics, 2020 - ieeexplore.ieee.org
Primary-side regulation (PSR) flyback converters operating in discontinuous conduction
mode (DCM) are widely used in low-power applications. In DCM, the peak current control …

A modulation method for capacitance reduction in active-clamp flyback-based AC–DC adapters

H Li, S Li, W Xiao, SYR Hui - IEEE Transactions on Power …, 2022 - ieeexplore.ieee.org
Recent developments of fast-charging power delivery protocols are driving ac–dc adapters
to 100-W power ranges. Conventional solutions in this power range employing a two-stage …

A novel digital control method of primary-side regulated flyback with active clamping technique

M Chen, S Xu, L Huang, W Sun… - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
Because of the different working principles between conventional flyback and active-
clamped flyback (ACF), the existing primary-side regulation (PSR) technology cannot be …

A capacitor-free control scheme for a primary-side controlled flyback converter

Y Li, Z Zhu - IEEE Transactions on Power Electronics, 2020 - ieeexplore.ieee.org
A capacitor-free control scheme is presented for primary-side regulation (PSR) flyback
converter to reduce cost and increase system reliability. Compared to conventional voltage …

Stability analysis of constant current-controlled primary-side regulation flyback converter

C Wang, D Sun, W Gu - IEEE Journal of Emerging and Selected …, 2020 - ieeexplore.ieee.org
In low power applications, primary-side regulation (PSR) flyback converter with
discontinuous conduction modulation (DCM) mode is widely used to realize constant output …

An adaptive variable-frequency control with constant crossover frequency achieving fast transient response for wide-operation-range flyback converter

CH Cheng, CJ Chen, SS Wang - IEEE Transactions on Power …, 2018 - ieeexplore.ieee.org
Flyback converters with universal serial bus power delivery (USB-PD) specification are
widely used in low-power adapter application. The wide output voltage range operation of …

Implementation of high precision error amplification scheme for AC-DC converter

Q Wu, X Li, Y Li, Z Di, Q Feng - IEEE Transactions on Circuits …, 2021 - ieeexplore.ieee.org
These days, demand for small volume and low cost of the home automation device is getting
higher and higher. Converter with single-stage scheme has advantages of simple structure …

Highly integrated ZVS flyback converter ICs with pulse transformer to optimize USB power delivery for fast-charging mobile devices

WH Chang, YM Chen, CJ Chen… - IEEE Journal of Solid …, 2020 - ieeexplore.ieee.org
Flyback converter with USB power delivery is widely used for fast-charging mobile devices.
However, conventional solutions have issues such as lower efficiency, higher cost, a large …

Implementation of Time Division Multiplexing With Commercial Flyback Controller for Multi-Outputs USB Power Delivery Charger

L Xue, X Tian, H Cui - IEEE Open Journal of Power Electronics, 2022 - ieeexplore.ieee.org
Universal serial bus power delivery (USB-PD) chargers are more attractive to consumers
with multiple output ports where more devices can be charged simultaneously. Existing …