Performance improvements of interleaving VRMs with coupling inductors

By P. Wong, P. Xu, P. Yang, Fred C. Lee. 2001

676 citations recorded by the source corpus.

Subfields: Electrical and Electronic Engineering, Mechanical Engineering

View Paper: https://www.semanticscholar.org/paper/5565a01383123cc74c925c2d80ef735c5edbd774

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In Mechanical Engineering

Citations in the corpus

A High-Efficiency High-Density Wide-Bandgap Device-Based Bidirectional On-Board Charger (2018, methodology): “The concept of negative-coupled inductors has been widely used in multiphase voltage regulators to reduce loss and improve transient performance [26].”
A Theoretical Approach to InterCell Transformers, Application to Interleaved Converters (2008, background): “Recent studies [4]–[8] show that the current ripple cancellation in a multiphase buck converter can be”
Neural-network-based maximum-power-point tracking of coupled-inductor interleaved-boost-converter-supplied PV system using fuzzy controller (2003, background): “To make fair comparison and to improve the performance of the converter, the inductance values both for coupled and noncoupled cases are designed [11] satisfying the relation , where is the coupling coefficient, and and are the self in-”
Interleaved Critical Current Mode Boost PFC Converter With Coupled Inductor (2011, methodology): “Lcp and M are expressed as [11] ⎧ ⎪⎪⎨ ⎪⎪⎩ Lcp = N 2 cp(Rs + Rc) Rs(Rs + 2Rc) = N 2 cp Rs(1 + α) (47a)”
Coupled-inductor design optimization for fast-response low-voltage DC-DC converters (2002, methodology): “1, the ac flux is reduced in the center leg, and so are the losses, but the dc flux requirement for that leg is increased [9], [8].”
Voltage Multiplier Cells Applied to Non-Isolated DC–DC Converters (2008, methodology): “The multiphase interleaving is an important technique used with the classical buck and boost converters, in order to reduce the current and voltage ripple and reduces the current level in the power switches and diodes, sharing the total current in each phase [14].”
A High-Efficiency DC–DC Converter Using 2 nH Integrated Inductors (2008, background): “Unlike linear and capacitive converters, the efficiency of an inductive converter is only dependent on the parasitics of its components, and thus it can realize efficiencies approaching 100%.”
Modeling and Analysis of Coupled Inductors in Power Converters (2009, background): “Some studies [4-13] reported that a converter utilizing coupled inductors can reduce phase current and output voltage ripples, respond faster to load transients, and reduce the amount of output decoupling capacitance.”
Integrated Modular Motor Drive Design With GaN Power FETs (2015, background): “However, for an IMMD design, the windings in different pole pairs are separated and have their own neutral points N1 and N2 as well as output terminals A1 and A2.”
Using coupled inductors to enhance transient performance of multi-phase buck converters (2004, positive): “Recent studies [1], [2], [3], [4] show that the current cancellation in a multi-phase buck converter can be extended to the inductors and the switches by multi-phase inductor coupling.”
Design of high-efficiency bidirectional DC-DC converter and high-precision efficiency measurement (2008, background): “The main advantages of this bidirectional converter are zero-voltage soft switching for switching loss reduction, interleaving phase-leg currents for conduction loss reduction [9] and coupled inductor for core loss reduction [10-14].”
Magnetic integration for interleaved converters (2003, methodology): “When all windings create flux in the same direction, the coupling between two given windings is always inverse [1],”