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Showing 1 to 9 of 9 for “"high step-down"”.
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Miniaturizing High Step-Down, High Output Current Power Converters
Power conversion systems providing high voltage step-down capability at high output current are required in many applications, such as data center servers, electric vehicle charging, and USB power delivery. Converter miniaturization is a critical but especially challenging design goal, and …
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A Two-Stage Piezoelectric Resonator and Switched Capacitor DC-DC Converter
… work, we have demonstrated that PRs have high efficiencies and power density capabilities operating as dc-dc voltage regulators, but that these advantages wane for high step down ratios. Alternatively, utilizing capacitors in a switch capacitor (SC) network can provide high step down …
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Pulse Density Modulated Soft Switching Cycloconverter
… allows and requires a much greater frequency step down from the input to the output. The advantages, shortcomings and tradeoffs of this topology are explored as this converter is designed, built and tested. The resulting cycloconverter has many deficiencies, but proves the concept of the PDM …
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Power Converters for Piezoelectric and Pyroelectric Materials
… keeping constant switching frequency to ensure high efficiency operation of the PT in PT-based power converters. A closed-loop control scheme is proposed, where the regulation is done by a duty cycle controlled switched capacitor at the tunable PT control port. Two types of output filter are …
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Synchronous-Conduction-Mode Tapped-Inductor Buck Converter for Low-Power, High-Density Application
General-purpose step-down converter is essential in electronic system for processing energy from high-voltage rail to low-voltage circuits. The applications can be found at the auxiliary supplies in automobile, industrial and communication systems. Buck converter is a common circuit topology to …
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Integration Challenges In High Power Density Wide Bandgap Based Circuits for Transportation Applications
… applications. To reduce fuel comsumption, higher efficiency, higher power density power converters are desired. The new generation of wide bandgap (WBG) power semiconductor devices pushs the switching frequency and output power of the electric system in transportation to a higher level …
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Protection, Control, and Auxiliary Power of Medium-Voltage High-Frequency SiC Devices
… next-generation power electronics systems with higher efficiency and higher power density. With higher blocking voltage available, WBG devices, especially the silicon carbide (SiC) metal-oxide-semiconductor field-effect transistor (MOSFET), have been widely explored in various medium-voltage …
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Theoretical Analysis and Design for the Series-Resonator Buck Converter
High step-down dc/dc converters are widely adopted in a variety of areas such as industrial, automotive, and telecommunication. The 48 V power delivery system becomes increasingly popular for powering high-current and low-voltage chips. The Series-Capacitor Buck (SCB) converter doubles the duty …
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48V/1V Voltage Regulator for High-Performance Microprocessors
… (VRMs), which grapple with challenges such as high conversion ratios, elevated output currents, and substantial load transients. These challenges are particularly pronounced for AI processors and graphics processing units (GPUs), given their heightened power demands compared to conventional …