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Showing 1 to 20 of 24 for “"magnetic integration"”.
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Multiphase Voltage Regulator Modules with Magnetic Integration to Power Microprocessors
Advances in very large scale integration (VLSI) technologies impose challenges for voltage regulator modules (VRM) to deliver high-quality power to modern microprocessors. As an enabling technology, multiphase converters have become the standard practice in VRM industry. The primary objectives of …
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Low-Profile Magnetic Integration for High-Frequency Point-of-Load Converter
… high power density POL needs to be developed. An integration solution was recently proposed to incorporate passive components, especially magnetic components, with active components in order to realize the needed power density for the POL. Today's discrete VR only has around 100W/in3 power …
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Packaging and Magnetic Integration for Reliable Switching of Paralleled SiC MOSFETs
… the high side and the low side are reduced. Magnetic integration into a power module for current balancing – Existing power modules do not have balanced transient currents when threshold voltage mismatch exists. A module with integrated coupled inductors was designed, fabricated, and …
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Planar Magnetic Integration and Parasitic Effects for a 3 KW Bi-directional DC/DC Converter
… been trying to reduce the size and weight of magnetic components and thus the overall system [ 19 ]. One attempt at this is to increase the switching frequency of the system. However, this attempt has its limitations due to increased device switching losses. Device limitations usually confine …
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Introduction of a Variable Inductance Transformer for the Design of Resonant Power Converters
<p>"Magnetic integration is a hot topic in power electronics that concerns the use of a transformer's leakage and magnetizing inductances purposefully in isolated power electronic converters, thereby giving the opportunity to save the cost and footprint of any additional inductor. This is of prime …
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Compact Isolated High Frequency DC/DC Converters Using Self-Driven Synchronous Rectification
… the converter. Also, this thesis proposes a new magnetic integration method to eliminate the need for the two additional gate driver magnetic cores by allowing three discrete power signals to pass through one single magnetic structure. The magnetic integration reduces the overall converter …
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Low Voltage High Current Power Conversion with Integrated Magnetics
… requirements. By applying the proposed magnetic integration procedure, new integrated magnetic circuits featuring low loss, simple structure, and ripple cancellation technique are then developed to overcome the limitations of prior art. Both cores and windings are integrated. …
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Soft Switching Control and Loss Analysis for High Frequency Power Converters
… diode. Furthermore, Chapter 3 also proposes a magnetic integration solution which is able to integrate the ZVS inductor into the filter inductor. The proposed magnetic integration design is also applicable to HB switching cells and addresses the issues caused by additional ZVS inductors. A …
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Design of High-Density Filter Building Blocks for SiC-based Three-Phase Power Converters
… shift toward high-density and high-efficiency integration of power electronics systems. This being the result of relatively high switching frequencies (>10 kHz) compared to conventional Si IGBT counterparts, which reportedly can minimize the size of passive components such as DC-link capacitors …
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Topology Investigation and System Optimization of Resonant Converters
… are proposed to reduce the winding loss. The magnetic integration technique is proposed and analyzed, and an optimal integrated transformer design is proposed, which has low loss and compact size.
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Investigation of Topology and Integration for Multi-Element Resonant Converters
… current applications. Those issues include magnetic design, start-up, short-circuit protection, synchronous rectifier drive, EMI noise and integration, etc. To solve those issues, like start-up and short-circuit protection, SR driving and EMI, etc., a synthesis method is proposed to find the …
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Circuits and Modulation Schemes to Achieve High Power-Density in SiC Grid-connected Converters
… converters were investigated. Firstly, a magnetic integration method was introduced for the coupled inductors in the interleaved three-phase converters. Due to limited current-capacity compared to the silicon insulated-gate bipolar transistors (Si-IGBTs), discrete SiC devices or SiC …
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EMI Noise Reduction Techniques for High Frequency Power Converters
… This provides an opportunity to use PCB winding magnetics. In order to reduce the switching loss, critical conduction mode is used in PFC converter. Because of high AC current in the inductor winding, litz wire was used to build the inductor. However, with coupled inductor concept and the …
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Study on Three-level DC/DC Converter with Coupled Inductors
… structure, with coupled and integrated magnetics to achieve high power density. The proposed interleaved phased legs offer the benefit of output current ripple reduction, while inversed coupled inductors can suppress the circulating current between phase legs. Compared with conventional …
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48V/1V Voltage Regulator for High-Performance Microprocessors
… industry to explore novel topologies, innovative magnetic integration methods, and advanced control strategies. The prevailing trend in state-of-the-art 48V solutions centers around the adoption of two-stage configurations, wherein the second stage can leverage conventional 12V solutions. However, …
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Power Architectures and Design for Next Generation Microprocessors
… at high frequency, in order to reduce the magnetic components size, while achieving high-efficiency. The high-efficiency first-stage, along with the scalability and high bandwidth control of the second-stage, allows this architecture to achieve high-efficiency and power density. This …
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High Frequency Bi-directional DC/DC Converter with Integrated Magnetics for Battery Charger Application
… us the opportunity to use PCB winding based magnetics due to the reduced voltage-second. Compared with conventional litz-wire based transformer. The manufacture process is greatly simplified and the parasitic is much easier to control. In addition, the resonant inductors are integrated into …
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A High-Efficiency Hybrid Resonant Microconverter for Photovoltaic Generation Systems
… of the proposed converter. It is possible to use magnetic integration so that the resonant inductor can be incorporated into the isolation transformer by way of the transformer leakage inductance in order to reduce parts count and associated costs. This chapter, however, analyzes the disadvantages …
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Design and Integration Techniques for High-Frequency PCB-Based Magnetics in Resonant Converters
… increase in operating frequency, complicated magnetic components can be broken down into a cellular structure, each with a few number of turns. They can be easily implemented using 4-6 layers of PCB windings. Moreover, integrating the cellular cores using flux cancellation can further improve …
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High-Frequency Oriented Design of Gallium-Nitride (GaN) Based High Power Density Converters
… increased switching overshoot, increased electromagnetic interference (EMI) in the gate loop and the power stages, the lack of the modules of packages for high current application, high gate oscillation under parallel operation. The dissertation is developed to addressed the all the challenges …
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