Switched-mode power supply

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below A: input EMI filtering; A: bridge rectifier; B: input filter capacitors; Between B and C: primary side heat sink; C: transformer; Between C and D: secondary side heat sink; D: output filter coil; E: output filter capacitors. (Wikipedia.org)






Conferences related to Switched-mode power supply

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2020 22nd European Conference on Power Electronics and Applications (EPE'20 ECCE Europe)

Energy conversion and conditioning technologies, power electronics, adjustable speed drives and their applications, power electronics for smarter grid, energy efficiency,technologies for sustainable energy systems, converters and power supplies


2020 59th IEEE Conference on Decision and Control (CDC)

The CDC is the premier conference dedicated to the advancement of the theory and practice of systems and control. The CDC annually brings together an international community of researchers and practitioners in the field of automatic control to discuss new research results, perspectives on future developments, and innovative applications relevant to decision making, automatic control, and related areas.


2020 IEEE Applied Power Electronics Conference and Exposition (APEC)

APEC focuses on the practical and applied aspects of the power electronics business. Not just a power designer’s conference, APEC has something of interest for anyone involved in power electronics including:- Equipment OEMs that use power supplies and converters in their equipment- Designers of power supplies, dc-dc converters, motor drives, uninterruptable power supplies, inverters and any other power electronic circuits, equipments and systems- Manufacturers and suppliers of components and assemblies used in power electronics- Manufacturing, quality and test engineers involved with power electronics equipment- Marketing, sales and anyone involved in the business of power electronic- Compliance engineers testing and qualifying power electronics equipment or equipment that uses power electronics


2020 IEEE International Conference on Systems, Man, and Cybernetics (SMC)

The 2020 IEEE International Conference on Systems, Man, and Cybernetics (SMC 2020) will be held in Metro Toronto Convention Centre (MTCC), Toronto, Ontario, Canada. SMC 2020 is the flagship conference of the IEEE Systems, Man, and Cybernetics Society. It provides an international forum for researchers and practitioners to report most recent innovations and developments, summarize state-of-the-art, and exchange ideas and advances in all aspects of systems science and engineering, human machine systems, and cybernetics. Advances in these fields have increasing importance in the creation of intelligent environments involving technologies interacting with humans to provide an enriching experience and thereby improve quality of life. Papers related to the conference theme are solicited, including theories, methodologies, and emerging applications. Contributions to theory and practice, including but not limited to the following technical areas, are invited.


2020 IEEE International Magnetic Conference (INTERMAG)

INTERMAG is the premier conference on all aspects of applied magnetism and provides a range of oral and poster presentations, invited talks and symposia, a tutorial session, and exhibits reviewing the latest developments in magnetism.


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Periodicals related to Switched-mode power supply

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Circuits and Systems I: Regular Papers, IEEE Transactions on

Part I will now contain regular papers focusing on all matters related to fundamental theory, applications, analog and digital signal processing. Part II will report on the latest significant results across all of these topic areas.


Consumer Electronics, IEEE Transactions on

The design and manufacture of consumer electronics products, components, and related activities, particularly those used for entertainment, leisure, and educational purposes


Electromagnetic Compatibility, IEEE Transactions on

EMC standards; measurement technology; undesired sources; cable/grounding; filters/shielding; equipment EMC; systems EMC; antennas and propagation; spectrum utilization; electromagnetic pulses; lightning; radiation hazards; and Walsh functions


Electron Device Letters, IEEE

Publishes original and significant contributions relating to the theory, design, performance and reliability of electron devices, including optoelectronic devices, nanoscale devices, solid-state devices, integrated electronic devices, energy sources, power devices, displays, sensors, electro-mechanical devices, quantum devices and electron tubes.


Industrial Electronics Magazine, IEEE

The IEEE Industrial Electronics Magazine (IEM) publishes peer-reviewed articles that present emerging trends and practices in industrial electronics product research and development, key insights, and tutorial surveys in the field of interest to the membership of the Industrial Electronics Society (IEEE/IES). IEM will be limited to the scope of the IES which is given as theory and applications of electronics, ...


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Most published Xplore authors for Switched-mode power supply

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Xplore Articles related to Switched-mode power supply

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A novel two-quadrant zero-voltage transition converter for DC motor drives

Proceedings of the IECON'97 23rd International Conference on Industrial Electronics, Control, and Instrumentation (Cat. No.97CH36066), 1997

A novel zero-voltage-transition (ZVT) two-quadrant (2Q) power converter for DC motor drives is presented. It possesses the definite advantage that both main transistors and rectifiers can operate with zero-voltage switching in both motoring and regenerating modes, while both of these switches are only subjected to unity voltage and current stresses, namely the same as its PWM counterparts. This power converter ...


Practical application of PHM/prognostics to COTS power converters

2005 IEEE Aerospace Conference, 2005

An easily-adopted method of adding prognostics/health management (PHM) to electronic systems is described. As an example, a PWM-type switching power supply was chosen for analysis in this paper, due to the ubiquitous nature of these power converters in Mil/Aero systems, and the criticality of their reliable performance. Switch mode power supplies (SMPS) provide significant advantages to users in terms of ...


Exact nonlinear analysis of switched mode power converters

PESC '88 Record., 19th Annual IEEE Power Electronics Specialists Conference, 1988

A basis is established for an efficient formulation of converter dynamical models in their closed-loop operation. Difficulties in applying small-signal models are illustrated for the power supply studied. It is then shown that rather than ignoring the effect of the duty ratio dynamics, it is possible to derive a consistent simple model for analysis and control design. A second- order ...


LED Lighting System Switched-Mode Power Supply

2012 Spring Congress on Engineering and Technology, 2012

Methods for achieving high efficiency are studied for 15 W SMPS using flyback converter. Transformer in sandwich form is used to reduce leakage current. MOSFETs with low on-resistance are used to reduce energy loss. Schottky diode is used for output. Condenser with low internal equivalent series resistance is used as an output electrolytic condenser. This SMPS shows efficiency of 83.1% ...


Applying parameterized model checking to real-life cache coherence protocols

2016 IEEE East-West Design & Test Symposium (EWDTS), 2016

This paper overviews a technique for verifying cache coherence protocols described in the Promela language. The approach is comprised of the following steps. First, a model written for a certain configuration of the memory system is generalized to the model being parameterized with the number of processors. Second, the parameterized model is abstracted from the exact number of processors. Finally, ...


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Educational Resources on Switched-mode power supply

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IEEE-USA E-Books

  • A novel two-quadrant zero-voltage transition converter for DC motor drives

    A novel zero-voltage-transition (ZVT) two-quadrant (2Q) power converter for DC motor drives is presented. It possesses the definite advantage that both main transistors and rectifiers can operate with zero-voltage switching in both motoring and regenerating modes, while both of these switches are only subjected to unity voltage and current stresses, namely the same as its PWM counterparts. This power converter is particularly useful for DC traction systems in which both motoring and regenerative braking are desired to have high efficiency. The corresponding theoretical analysis and its high- efficiency performance are supported by both simulation and experimental results.

  • Practical application of PHM/prognostics to COTS power converters

    An easily-adopted method of adding prognostics/health management (PHM) to electronic systems is described. As an example, a PWM-type switching power supply was chosen for analysis in this paper, due to the ubiquitous nature of these power converters in Mil/Aero systems, and the criticality of their reliable performance. Switch mode power supplies (SMPS) provide significant advantages to users in terms of conversion efficiency, weight, and size. According to Industry Analysts, over $7.7 Billion of SMPS power systems were produced worldwide in 2002. However, SMPS's have unique reliability issues when used within a system due to size constraints, heat dissipation and varying load conditions. The internal components of a SMPS, including the power switch (MOSFET or IGBT), catch diode, capacitors, and magnetics are under repetitive stress conditions that contribute to elevated failure rates. Often the SMPS is considered the most vulnerable and weakest part of a system. Having an early warning of an impending failure (through PHM) would be very useful information and critical to mission success

  • Exact nonlinear analysis of switched mode power converters

    A basis is established for an efficient formulation of converter dynamical models in their closed-loop operation. Difficulties in applying small-signal models are illustrated for the power supply studied. It is then shown that rather than ignoring the effect of the duty ratio dynamics, it is possible to derive a consistent simple model for analysis and control design. A second- order nonlinear model is obtained that fully captures long-term dynamics of a typical power supply. The model could serve as a basis for identifying typical instability regions of the power supply's operation (negative resistance), and for a control design by which instabilities are avoided.<<ETX>>

  • LED Lighting System Switched-Mode Power Supply

    Methods for achieving high efficiency are studied for 15 W SMPS using flyback converter. Transformer in sandwich form is used to reduce leakage current. MOSFETs with low on-resistance are used to reduce energy loss. Schottky diode is used for output. Condenser with low internal equivalent series resistance is used as an output electrolytic condenser. This SMPS shows efficiency of 83.1% at 220 Vac input and 1.2A output current.

  • Applying parameterized model checking to real-life cache coherence protocols

    This paper overviews a technique for verifying cache coherence protocols described in the Promela language. The approach is comprised of the following steps. First, a model written for a certain configuration of the memory system is generalized to the model being parameterized with the number of processors. Second, the parameterized model is abstracted from the exact number of processors. Finally, the abstract model is verified with the Spin model checker in a usual way. The suggested technique has been successfully applied to verification of the MOSI protocol implemented in the Elbrus computer systems.

  • A design for small time-delay control circuit for DPWM- POL

    Digital-controlled switching mode power supplies (SMPS) are popular in the fields of relatively large power supply system. The digital controller is consisted of DSPs or microprocessors performing with software. By contrast, such as on-board SMPSs, adapting digital controller isn't still popular because of its cost or response characteristics even if the controllers are constructed by FPGA or custom LSI which is hardware-logic base. This paper will discuss about the proposed hardware logic type digital controller for on- board SMPS, which is very simple and unique design. And, accuracy improved output voltage detection method for the proposed digital controller is proposed. The some experiments are done. And the results show the validity of the proposed circuits.

  • Reliability Considerations for Power System Design

    Growth and increasing complexity of data processing and communications systems have expanded the requirements for reliability of the power subsystem. Reliability must be considered at the top level system design. Trade-offs between system design options can be facilitated using valid life-cycle-cost. LCC, models. Practical reliability is achieved when neither the customer nor the supplier is annoyed by the cost and inconvenience of component failure. Reliability trade-offs applicable to power system design such as functional and component redundancy and derated electronic part selection are presented. The reliability impact of load sharing is presented with examples showing that load sharing is not always desirable. The use of redundancy with built-in test can result in a conveniently maintainable power system with reduced LCC.

  • Switched mode power supplies EMC analysis: near field modeling and experimental validation

    An EMC analysis of a switched mode power supplies (SMPS) is presented which shows the variation of the radiation patterns, near field spatial distributions and radiation properties as the SMPS's load is altered. Depending upon the loading, the SMPS exhibits magnetic or electric dipole behavior. Currents and fields calculated by an accurate prediction model are compared with those measured.

  • MOSFET switching behaviour under influence of PCB stray inductance

    An analytical expression is derived for the power MOSFET turn-off overvoltage, including the influence of PCB interconnects. The entire PCB is modeled by means of the partial element equivalent circuit (PEEC) method. The PCB model associated with a simple MOSFET model permits computation of maximum overvoltage with good precision. This expression can be used to design PCBs and choose a type of MOSFET respecting MOSFET maximum voltage ratings. The analytical expression has been verified by breadboard experiments.

  • Study of the resonance phenomenon in switching mode power supply (SMPS)

    Multi resonance is highly possible to appear inside conductive and radiated frequency range. This paper presents simplified equivalent circuit model used to study the resonance phenomenon in switching mode power supply (SMPS). Indeed, the electromagnetic interference (EMI) caused by a resonance is a critical factor, and is a source of the high conducted EMI that physically affects the tested AC/DC converter used for telecom applications (to comply with the standard EN300 386 conducted emission requirements). The proposed equivalent circuit model contains essential couplings, parasitic elements, and sources occurred in the common mode current path. This series resonance circuit is primarily composed of input cables; equivalent voltage source and the intentional parameters of the converter are examined theoretically. Experimental results are presented to confirm the cause.



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