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A Current-Mode Four-Phase Synchronous Buck Converter with Dynamic Dead-Time Control

Jun Tang, Tian Guo, Jung Sik Kim, Jeongjin Roh
2021 IEEE Access  
INDEX TERMS dynamic dead-time control, high efficiency, multiphase, synchronous buck converter.  ...  A current-mode four-phase synchronous buck converter with a dynamic dead-time control (DDTC) method is presented in this work.  ...  The asymmetrical dead-time control driver in [16] exhibits a compact structure that merges a dead-time controller with a gate driver for CCM operation.  ... 
doi:10.1109/access.2021.3085826 fatcat:ylgo3dvkfbebvckjn6gxzjmdba

The Performance and Analysis of an Efficient Model of DC to DC Converter for on Chip Circuitry using a Less Number of Power Devices

K. Arutselvan, C. Manoharan, T. Balaji
2012 International Journal of Computer Applications  
This paper presents an efficient DC to DC converter for on chip circuitry which gives high-energy conversion quality using CMOS Driver-Receiver Pair for Low-Swing Signaling.  ...  Keywords Complementary metal oxide semiconductor (CMOS), Signal to noise ratio (SNR), Threshold voltage, Buck converter.  ...  Time-multiplex scheme for the DCMC Fig. 4 . 4 Dead time circuit Fig. 5 . 5 Common Low Power DPWM. 5.  ... 
doi:10.5120/8072-1467 fatcat:wszngajn5rcmblrx4sthpguceu

Boost half-bridge DC-DC converter with reconfigurable rectifier for ultra-wide input voltage range applications

Dmitri Vinnikov, Andrii Chub, Elizaveta Liivik, Frede Blaabjerg, Yam Siwakoti
2018 2018 IEEE Applied Power Electronics Conference and Exposition (APEC)  
This paper introduces a novel galvanically isolated boost half-bridge dc-dc converter intended for modern power electronic applications where ultra-wide input voltage regulation range is needed.  ...  A reconfigurable output rectifier stage performs a transition between the voltage doubler and the full-bridge diode rectifiers and, by this means, extends the regulation range significantly.  ...  Detailed design guidelines will be elaborated both for the hardware and control system to ensure the highest possible performance over a wide input voltage and load regulation range.  ... 
doi:10.1109/apec.2018.8341219 fatcat:p4bqqmxxtndwflc3yzwkilslqu

Analysis and Design of Single phase Single Stage Integrated Converter to Improve Power Factor with Zero Voltage Switching

Ms. Sushma S Majigoudar, Dr. (Mrs) Puneet Kaur
2016 International Journal of Engineering Research and  
Buck converter will take care of the output voltage regulation i.e it directs the dc-link voltage to give a steady stable dc output voltage.  ...  The circuit topology is derived by integrating a boost converter and a buck converter.  ...  In order to keep both active switches not to cross conduct, there is a short non-overlap time characterized as "dead time". In the dead time, vGS1 and vGS2 are at a low level.  ... 
doi:10.17577/ijertv5is041126 fatcat:lb5figo7kfcnld6xgtfyxezpfi

A High Efficiency Controller IC for LLC Resonant Converter in 0.35 μm BCD

Seong-Wha Hong, Hong-Jin Kim, Hyung-Gu Park, Joon-Sung Park, Young-Gun Pu, Kang-Yoon Lee
2011 Journal of Power Electronics (JPE)  
The frequency range of the clock generator is from 50 kHz to 500 kHz and the range of the dead time is from 50 ns to 2.2 µs.  ...  This paper presents a LLC resonant controller IC for secondary side control without external active devices to achieve low profile and low cost LED back light units.  ...  If the dead time is larger than a half period of the gate driver output, D OUT disappears. For example, the dead time is 2 µs when T dis = 5 ns, C1 = 2 pF, V H = 4 V, and I DEADTIME = 4 µA.  ... 
doi:10.6113/jpe.2011.11.3.271 fatcat:dlejesyavfdy5dwfywiw7m662i

A very simple analog control for QSW-ZVS source/sink buck converter with seamless mode transition

Kevin Martin, Aitor Vazquez, Manuel Arias, Javier Sebastian
2018 2018 IEEE 19th Workshop on Control and Modeling for Power Electronics (COMPEL)  
A simple, analog, control circuit is proposed for seamless transition between source and sink modes in a Quasi-Square-Wave Zero Voltage Switching (QSW-ZVS) source/sink buck converter.  ...  A 50 W buck converter is built to demonstrate the proposed control circuit and experimental measurements are shown to verify its correct operation.  ...  An appropriate MOSFET driver should be used to ensure that the dead-time between these control signals is long enough to achieve ZVS as well as ensuring that the MOSFET are driven with a high enough current  ... 
doi:10.1109/compel.2018.8459947 fatcat:t6cped3xyvad5adwinpa5v4mo4

New AC–DC Power Factor Correction Architecture Suitable for High-Frequency Operation

Seungbum Lim, David M. Otten, David John Perreault
2016 IEEE transactions on power electronics  
The proposed approach is demonstrated for an LED driver converter operating at a (variable) HF switching frequency (3 -10 MHz) from 120 Vac, and supplying a 35 V dc output at up to 30 W.  ...  This paper presents a novel ac-dc power factor correction (PFC) power conversion architecture for single-phase grid interface.  ...  ACKNOWLEDGMENT The authors gratefully acknowledge the support for this work provided by the Advanced Research Project Agency -Energy (ARPA-E) under the "ADEPT" program and for continued support of this  ... 
doi:10.1109/tpel.2015.2445927 fatcat:ion5gql4mrdexiidcesy2oizdy

A Survey Paper on Six Phase Induction Motor Drive

Myasar Alattar, Ahmed Nasser Alsammak
2020 Al-Rafidain Engineering Journal  
It describes a different methods used for analyzing and representing induction motor model, by using (d-q-o) modelling and (x-y-o ) some papers discussed motor model and its characteristics, controlling  ...  speed of motor and efficiency improvement. some techniques of control strategy such as (direct torque control, field oriented control, indirect field oriented control and sliding mode control etc. will  ...  And figure (5) shows Dead-time compensator for an asymmetrical six-phase machine using a resonant controller in the anti-synchronous (x-y) reference frame. " [9] Mohamed I. Abdelwanis and F.  ... 
doi:10.33899/rengj.2020.126535.1009 fatcat:h5jdtd5ylfdwrhuot5cfxzhctu

Power Factor Correction for Three- Phase AC-AC Buck Regulator

Osama M. Ali Salem, Haitham Z. Azazi, Azza E. Lashine
2014 ERJ. Engineering Research Journal  
This paper presents a new configuration of a three-phase AC-AC buck regulator to operate with a three phase inductive loads with a reduced number of controlled switches.  ...  It has a simple control with excellent performance. The proposed circuit has high efficiency for adjusting AC power; because it is composed of fewer switches and DC snubbers.  ...  For safe commutation, the switching dead-time is necessary which is done by the snubber capacitors and resistors.  ... 
doi:10.21608/erjm.2014.66937 fatcat:p7noisxb7jbbzfffgsynhgns6u

20 $\mu$A to 100 mA DC–DC Converter With 2.8-4.2 V Battery Supply for Portable Applications in 45 nm CMOS

Saurav Bandyopadhyay, Yogesh K. Ramadass, Anantha P. Chandrakasan
2011 IEEE Journal of Solid-State Circuits  
Switched-Capacitor DC-DC converters are used for internal rail generation for stacking and supplies for control circuits.  ...  Both pulse frequency modulation (PFM) and pulse width modulation (PWM) modes of control are employed for the wide load range.  ...  Reddy for discussions, Dr. B. Haroun, Prof. A. Fayed, Dr. A. Wang, and Dr. D. Buss for support, and Texas Instruments for chip fabrication.  ... 
doi:10.1109/jssc.2011.2162914 fatcat:3kwmye5hibb77ouxvopfypdlce

Single-Stage Duty-Controlled Half-Bridge Inverter for Compact Capacitive Power Transfer System

Chanh-Tin Truong, Sung-Jin Choi
2021 IEEE Access  
In the proposed scheme, a wide input voltage range is achieved by duty control while the output voltage is inherently load-independent, and this eliminates the need for an extra DC-DC converter.  ...  INDEX TERMS Asymmetric half-bridge, capacitive wireless power transfer, zero voltage switching.  ...  control to regulate the output voltage, as shown in Fig. 2 .  ... 
doi:10.1109/access.2021.3108193 fatcat:kuw6o24fxbesjaj423sptttrqu

IPEMC - ECCE Asia 2020 Author Index

2020 2020 IEEE 9th International Power Electronics and Motion Control Conference (IPEMC2020-ECCE Asia)  
of Modular Multilevel Multi-port DC-DC Converter Assessing Efficiency, Volume and Reliability Pengyu Jia Research on the Dead-Time Control Scheme for the Four-Switch Buck-Boost Converter 2433 Qingchao  ...  Joon-Hee Lee Compensation of Nonlinearity of Inverter through Estimation of Dead Time Effect 572 Jorge Duarte Virtual Oscillator Control as Applied to DC Microgrids with Multiple Sources 2007  ... 
doi:10.1109/ipemc-ecceasia48364.2020.9368053 fatcat:nkonperim5h47b6dl5iokvmg5y

Single-Chip FPGA Implementation of a Digital VRM Controller with Interlaced Sampling and Control Technique

Yu-Tzung Lin, Yi-Chung Wang, Ying-Yu Tzou
2007 2007 IEEE Power Electronics Specialists Conference  
The timing clocks for the digital controller and the digital PWM generator are interlaced with each other to achieve a minimum delay at a same sampling and switching frequency.  ...  This paper presents the design and implementation of a singe-chip FPGA based digital VRM controller for multi-phase synchronous buck converters with interlaced current sampling and load current feed-forward  ...  Dead-time that prevents the switches conduct in the same time is programmable in the process of modulation.  ... 
doi:10.1109/pesc.2007.4342206 fatcat:lea7kmpzovh7dlzy3bray7cpzm

Topology-Morphing Photovoltaic Microconverter with Wide MPPT Voltage Window and Post-Fault Operation Capability

Dmitri Vinnikov, Andrii Chub, Denys Zinchenko, Vadim Sidorov, Mariusz Malinowski, Sertac Bayhan
2020 IEEE Access  
To avoid cross-conduction of the diagonal switches and S qZS , the dead-time should be added between their switching transients.  ...  In mid-and low-power circuits use of driver with fault detection feature might be used. However, the commercial drivers for MOSFETs have limited fault detection functionality.  ...  For more information, see https://creativecommons.org/licenses/by/4.0/. This article has been accepted for publication in a future issue of this journal, but has not been fully edited.  ... 
doi:10.1109/access.2020.3017805 fatcat:mqz756mhvfhwpojua7cmrl4zge

A two-phase buck converter with optimum phase selection for low power applications

Taylor Yeago, Ji Hoon Hyun, Dong Sam Ha, Qiang Li
2015 2015 IEEE Energy Conversion Congress and Exposition (ECCE)  
The gate driver loss is considerable for heavy load of 600 mW, consuming 11.9% (9.8mW).  ...  PFM is accomplished with a constant on-time (COT) valley current mode controller, which uses the inductor current information and output voltage to generate switching signals for both the top and bottom  ...  The above items are left for future research in two-phase converter design for low power applications as well as integration into ICs.  ... 
doi:10.1109/ecce.2015.7309896 fatcat:ztfzrbz7yzc3ppotludy5oa274
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