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At high-frequency applications, the gate drive loss of the power metal oxide semiconductor field-effect transistor (MOSFET) becomes quite significant. A new dual-channel low side resonant gate drive circuit is proposed in this paper. The proposed drive circuit can provide two symmetrical drive signals for driving two MOSFETs. It charges and discharges the MOSFET gate capacitor with a constant current...
This paper proposes a novel resonant gate driver for a high frequency synchronous buck converter. The proposed resonant gate driver can reduce switching losses significantly in addition to gate drive losses compared to a conventional gate driver. Additionally, the proposed driver has better noise immunity to dv/dt effect and is less sensitive to parasitic inductance. Loss analysis and optimization...
In this paper a new non-isolated full bridge topology is introduced. The primary side of this topology is a full bridge; however, the input voltage ground of the conventional full bridge is connected directly to the positive point of the output and not connected to the input ground. In this arrangement, the input current flows directly to the load without going through the transformer. The secondary...
The duty cycle of conventional multi-phase buck converters becomes extremely small as the output voltage becomes lower and lower. This is a severe challenge with the switching frequency goes up. This paper introduces a non-isolated half bridge converter which can extend the duty cycle to a favorable range. Thus, the converter will have symmetrical dynamic response ability. The switching loss will...
The duty cycle of conventional multi-phase buck converters become extremely small as the output voltage becomes lower and lower. This is a severe challenge with the switching frequency goes up. This paper introduces a non-isolated half bridge converter , which extends duty cycle to a favorable range. Thus, the converter will have symmetrical dynamic response ability. The switching loss will reduce...
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