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Showing 1 to 19 of 19 for “"integrated magnetics"”.
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Electrochemical materials for integrated magnetics
… supply a multitude of heterogeneously integrated devices. This thesis addresses the challenges of 3D monolithic microinductor design and fabrication, inclusive of magnetically enhanced VIAs comprising a clad laminated soft magnetic core. The current state-of-the-art utilizes 2D …
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High Frequency, High Current Integrated Magnetics Design and Analysis
… while maintaining the superior performance. The magnetics used in resonant converters are very important to the success of the design. Often, the leakage inductance of the magnetics is used to control the ZVS or ZCS switching operation. This work presents a new improved magnetic solution for use …
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Low Voltage High Current Power Conversion with Integrated Magnetics
… 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. Consequently, the power loss and the size of …
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Low power circuits with integrated magnetics for sensors and energy harvesting systems
… energy-efficiency. This work explores the use of integrated magnetics in microelectronics to enable low power, energy-efficient sensing, as well as energy harvesting to power the sensors, in a compact form factor. For industrial applications, we present the design of a bandwidth-scalable, …
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PCB-Based High-Power DC/DC Converters with Integrated Magnetics for Battery Charger Applications
… density and high efficiency using a PCB-based integrated transformer, enhancing manufacturing processes. The dissertation details the specific accomplishments in this area: Firstly, a two-stage on-board charger structure for 800 V battery EVs is proposed. The first stage is a four-phase …
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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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Investigation and Design of Integrated Magnetics in High-power High-frequency Soft-switching DC/DC Converters for Battery Charger Applications
… power density and efficiency using scalable magnetics building blocks (SMBs). It outlines the specific contributions made toward improving manufacturing processes and enhancing system performance. First, a dual channel flux analysis method is proposed to analyze the flux distribution in …
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A Soft-Switched Grid-Connected DC/AC Inverter with Low Current Ripple
… full-bridge structure in conjunction with integrated magnetics. The integrated magnetics performs the ripple steering to provide zero voltage switching for the power semiconductors and attenuate the current ripple at the output of the inverter. Theoretical analysis, simulation results, and …
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Study on Three-level DC/DC Converter with Coupled Inductors
… interleaved 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 …
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Multiphase Voltage Regulator Modules with Magnetic Integration to Power Microprocessors
… to develop advanced topologies and innovative integrated magnetics for high-efficiency, high-power-density and fast-transient VRMs. The optimization of multiphase VRMs has also been addressed. Today's multiphase VRMs are almost universally based on the buck topology. With increased input …
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Design and Integration Techniques for High-Frequency PCB-Based Magnetics in Resonant Converters
… further improve the power density. The proposed integrated magnetics can be automated in the manufacturing process. The magnetic size is reduced at this frequency, and planar magnetics using PCB winding become more relevant. PCB magnetics feature multiple advantages over Litz wire. The benefits …
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High Frequency High-Efficiency Voltage Regulators for Future Microprocessors
… is improved compared with the buck converter. Integrated magnetic techniques can be used to further improve the efficiency and simplify the implementation. The impact of transformer concept on transient response is analyzed. The PPB converter efficiency is still not satisfactory at 1MHz due to …
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Microcontroller (MCU) Based Simplified Optimal Trajectory Control (SOTC) for High-Frequency LLC Resonant Converters
… recent years due to its high power density and integrated magnetics, which reduce the total cost. With the fast development of wideband gap devices and novel magnetic materials, the trend of pushing switching frequency higher continues. However, the control characteristics of the LLC resonant …
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High Frequency, High Current Density Voltage Regulators
… transformer that can be implemented with integrated magnetics. The transformer then becomes an integrated magnetic with distributed windings, which is preferred in high current applications. The current-tripler DC-DC converter in fact meets the requirements for the CCB self-driven scheme. …
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Optimal Design of MHz LLC Converter for 48V Bus Converter Application
The intermediate bus architecture employing the 48V bus converter is one of the most popular power architecture. 48V to 12V bus converter has wide applications in telecommunications, networks, aerospace, and military, etc. However, today's state of the art products has low power rating or power …
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Compact Isolated High Frequency DC/DC Converters Using Self-Driven Synchronous Rectification
In the early 1990's, with the boom of the Internet and the advancements in telecommunications, the demand for high-speed communications systems has reached every corner of the world in forms such as, phone exchanges, the internet servers, routers, and all other types of telecommunication systems. …
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Integrated magnetic components for high-power high-current dc-dc converters
… is focused on the design and development of an integrated magnetic (IM) structure for use in high-power high-current power converters employed in renewable energy applications. These applications require low-cost, high efficiency and high-power density magnetic components and the use of IM …
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PCB Integrated Matrix Transformer for a High-Power Single Phase CLLC Resonant Converter with the Novel Application of Circular Orthogonal Parallel Airgaps
… of a PCB-based matrix transformer with integrated controllable leakage inductance for a single-phase 11kW 250kHz bi-directional DC/DC CLLC resonant converter (1PCLLC) for use in electric vehicle on-board chargers (OBC's). By utilizing a variable DC-link, system efficiency is maximized …
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A Novel DC-DC Converter for Photovoltaic Applications
… are quantified. The converter is subsequently integrated into a domestic photovoltaic system to provide a practical demonstration of its suitability for such applications. MPPT is integrated into the CI-CCS DC-DC converter, and a combined half bridge/T-type converter is developed and paired …