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Showing 1 to 13 of 13 for “"Synchronous Buck Converter"”.
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Optimization of Power MOSFET for High-Frequency Synchronous Buck Converter
… technology require the use of a high-frequency synchronous buck converter (SBC) in order to achieve low cost, low profile, fast transient response and high power density. However, high frequency also causes more power loss on MOSFETs. Optimization of the MOSFETs plays an important role in the …
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A Two-Mode Synchronous Buck Converter for Low-Power Devices with the Sleep Mode
… in this application, however, conventional buck converter usually have high efficiency at heavy load but poor efficiency at light load. To increase the light load efficiency of buck converter, this research continues Yeago's two phase buck converter with optimum phase selection control and …
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A zero-voltage switching technique for high frequency buck converter ICs
… to decrease the frequency dependent losses in a buck converter. The specific application for this thesis was a buck converter IC with an input voltage of up to 42V. The method utilizes the addition of an auxiliary circuit composed of a helper inductor and two helper power MOSFETs that compliment …
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MOSFET Current Source Gate Drivers and Topologies for High Efficiency and High Frequency Voltage Regulator Modules
… contribution is a new continuous CSD for a synchronous buck converter. The proposed CSD is able to drive the control and Synchronous Rectifier (SR) MOSFETs independently with different drive currents enabling optimal design. At 12V input, 1.5 V/30A output and 1MHz, the proposed CSD improves …
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Modeling And Optimization Of Body Diode Reverse Recovery Characteristics Of Ldmos Transistors
As switching speeds for DC-DC converter applications keep becoming faster and faster and voltage requirements become smaller and smaller, the need for new device structures becomes more prevalent. Designers of these new structures will need to make sure they take into consideration the different …
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Cal Poly SuPER System Photovoltaic Array Universal DC-DC Step Down Converter
Standard converter topologies are usually presented with a voltage source as the input supply to the converters. However, a photovoltaic (PV) array has the I-V characteristics of a current source not a voltage source. This thesis details the design process of modifying the standard Buck and …
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Design, Analysis and Implementation of Multiphase Synchronous Buck DC-DC Converter for Transportable Processor
… improve the efficiency of the voltage regulator converter (VRC) for the processor. Laptop processor architecture is more complicated than desktop because of different mode operations and their transitions. The laptop processor runs at different voltage levels for each operation mode to save the …
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Investigation of High-Input-Voltage Non-Isolated Voltage Regulator Modules Topology Candidates
… investigation of three 12V VRM topologies: the synchronous buck converter, the tapped-inductor buck converter and the active-clamp couple-buck converter. The limitations of today¡¯s synchronous buck approach are identified. The extreme duty cycle of the current topology makes it difficult to …
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Behavioral Modelling of the Transient and CdV/dt Induced Turn-on of a Hybrid High Power Switch Unit
… power conditions. The induced gate voltage in a synchronous buck converter with two hybrid SiC MOSFET Si IGBT switches was measured and used to verify the validity of the induced voltage model. The design approach for the development of a behavioral transient model and the limitations of the …
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A Constant ON-Time 3-Level Buck Converter for Low Power Applications
… which is light load for power supplies. Typical buck converter applications have low efficiency under the light load condition, primarily from their power stage and control being optimized for heavy load. The battery life of a smart camera can be extended through improvement of the light load …
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Análisis, diseño y construcción de un proveedor de bus para sistemas de distribución en corriente continua domésticos
… is to provide design guidelines for the power converter which provides and manages the low voltage bus in a domestic Direct Current Power Distribution System (SDC). The design of this Bus Provider (PdB) has been optimized to be highly efficiency while providing a good power quality and managing …
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Design and development of a novel DC/DC bidirectional converter with dual solar/PV-based snow removal and EV charging functionality
… The system is based on a bidirectional buck-boost DC/DC converter that redirects the grid/battery power into heating of the PV modules thus removing snow cover, as well as providing the function of MPPT when required to charge the EV battery. A performance evaluation by simulating and …
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A Two-Phase Buck Converter with Optimum Phase Selection for Low Power Applications
… cameras, it is essential to increase the power converter efficiency for light load, while being able to manage heavy load. The power stage of traditional buck converter is optimized for maximum load, at the cost of light-load efficiency. Wei proposed a multiphase buck converter incorporating the …