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A gate driver IC with programmable driving strength to reduce conducted electromagnetic interference (CEMI) in SMPS is presented in this paper. The solution presented is to dynamically adjust the gate driving strength (output resistance Rout) at the arrival of each gate pulse to minimize CEMI while maintaining low switching loss. Dynamically adjusting Rout is not possible with conventional gate driver...
The effect of varying the driving strength of the gate driver IC on the efficiency of synchronous buck converters is the focus of this work. To reduce the switching losses in the output stage, gate drivers are often designed to charge and discharge the gate electrodes of the power MOSFETs as fast as possible. However, fast switching requires power hungry gate drivers and the gate driver power consumption...
This paper addresses the effect of the gate driving capability on the efficiency of synchronous buck converters. To reduce the switching loss in DC-DC converters, the gate drivers are often designed to turn the power MOSFETs on/off as quickly as possible. However, for fast turn on/off, gate drivers with high driving capability and consequently high power consumption are required. Since the gate driver...
Fully integrated novel magnetically-actuated dielectric cantilever MEMS switches suitable for high frequency RF applications are reported. A four-mask fabrication process has been developed to produce the MEMS switches with integrated current coils on both the substrate and the dielectric cantilever. The switches are actuated using an electromagnetic force and held in the DOWN state using an electrostatic...
Fully integrated novel magnetically-actuated dielectric cantilever MEMS switches suitable for high frequency RF applications are reported. A four-mask fabrication process has been developed to produce the MEMS switches with integrated current coils on both the substrate and the dielectric cantilever. The switches are actuated using an electromagnetic force and held in the DOWN state using an electrostatic...
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