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Soft-Switching Bidirectional Buck Boost Converter with Simple Auxiliary Circuit
2016
Indian Journal of Science and Technology
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Objectives: The intention of this paper is to project a soft switching bidirectional buck boost converter with high efficiency, simple structure for the application of battery charging and discharging. ...
Findings: The proposed converter introduces a simple auxiliary circuit that not only reduces the switching stress but also provides high efficiency to the converter. ...
Also it is observed that the switch S 1 is operated under soft switching techniques. Figure. 11 shows the simulink model for buck mode. ...
doi:10.17485/ijst/2016/v9i48/98037
fatcat:hu6jatlravg7tlfqwag47cza5i
A Novel Technique to Reduce the Switching Losses in a Synchronous Buck Converter
2006
2006 International Conference on Power Electronic, Drives and Energy Systems
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This paper proposes a zero-voltage transition (ZVT) PWM synchronous buck converter, which is designed to operate at low output voltage and high efficiency typically required for portable systems. ...
The high-side MOSFET is dominated by the switching losses and it is eliminated by the soft switching technique. ...
So in this paper, we have optimized the efficiency of the synchronous buck converter by eliminating switching losses using soft switching technique [3] . ...
doi:10.1109/pedes.2006.344408
fatcat:vdjntku6lbdwfoqs4yj7dub5hq
Critical conduction mode Buck-Buck/Boost converter with high efficiency
2019
3C Tecnología
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The buck converter is commonly utilized in various low power applications because of maintaining high efficiency at universal input voltage and many other advantages. ...
For improving efficiency, a variable on-time control (VOTC) strategy has been proposed for buck-buck/boost topology with simple structure, minimum losses and less component cost. ...
Thus, it is necessary for the integrated buck-buck/boost converter to propose the technique which can attain high efficiency with simple structure and minimum losses. ...
doi:10.17993/3ctecno.2019.specialissue3.201-219
fatcat:6conshxcgvferbmtae4oxigwuq
Buck Converter with Soft-Switching Cells for PV Panel Applications
2016
Energies
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in high power losses, high EMI, and low conversion efficiency. ...
, high EMI, and low conversion efficiency. ...
Figure 19 shows efficiency measurements of the proposed soft-switching buck converter, in which it can be seen that the maximum efficiency can reach as high as 91% under full load condition. ...
doi:10.3390/en9030148
fatcat:ljv6jom4frbk3dycrklyxe6rau
A PQ Improved High Efficiency, High Power Operated Single-Phase Variable Input Fed Two Switch Buck Boost Dc- Dc Converter
2017
International Journal for Research in Applied Science and Engineering Technology
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In order to achieve high efficiency over the entire input voltage range, the TSBB converter operated in buck mode at high input voltage and boost mode at low input voltage. ...
The two-switch buck boost converter is suitable for wide input voltage applications. The two switch buck boost converter requires fewer passive components. ...
In order to achieve high efficiency over the entire input voltage range, the TSBB converter is operated in buck mode at high input voltage and boost mode at low input voltage. ...
doi:10.22214/ijraset.2017.11420
fatcat:ksluojxg35clrbeg7hygpy5b3a
Single-Inductor Multi-Output (SIMO) DC-DC Converters With High Light-Load Efficiency and Minimized Cross-Regulation for Portable Devices
2009
IEEE Journal of Solid-State Circuits
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The proposed SIMO DC-DC converter was fabricated in TSMC 0.25 m 2P5M technology. The experimental results show high conversion efficiency at light loads and small cross-regulation within 0.35%. ...
A load-dependant peak-current control single-inductor multiple-output (SIMO) DC-DC converter with hysteresis mode is proposed. It includes multiple buck and boost output voltages. ...
Fig. 6 . 6 The proposed load-dependent peak current control SIMO DC-DC converter with hysteresis mode for high power conversion efficiency and minimum cross-regulation. ...
doi:10.1109/jssc.2009.2014726
fatcat:jucwkbhgm5aodovmkp7cpn2o7i
Simulation and Design of Neutral Point Type Buck Converter
2020
VOLUME-8 ISSUE-10, AUGUST 2019, REGULAR ISSUE
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Thus, the simulation shows that the Neutral Point Buck type converter is suitable for maximizing power factor close to unity (1). ...
This paper presents the simulation and design of Neutral Point Type (NPT) converters that have been used to increase power factor near one (1) which is unity. ...
and Faculty of Electrical Engineering, MARA University of Technology, Malaysia for this research. ...
doi:10.35940/ijitee.c9207.019320
fatcat:y2n6p5oicnhltauoyripslvtgi
60-V Non-Inverting Four-Mode Buck–Boost Converter With Bootstrap Sharing for Non-Switching Power Transistors
2020
IEEE Access
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This condition requires a technique to maintain the voltage level of the non-switching high-side power transistors in fourmode buck-boost converters. ...
For high power conversion efficiency, NMOS power transistors are used as high-side switches. Fig. 3 (a) and (d) show the buck and boost configurations, respectively. ...
For more information, see https://creativecommons.org/licenses/by-nc-nd/4.0/ buck-boost converter can operate over the entire input range of 7 to 60 V for various high-voltage applications. ...
doi:10.1109/access.2020.3038444
fatcat:qcgvfto2ebdkxh3xwefv4oszja
Hybrid Buck–Boost Feedforward and Reduced Average Inductor Current Techniques in Fast Line Transient and High-Efficiency Buck–Boost Converter
2010
IEEE transactions on power electronics
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Index Terms-Fast line transient response, feedforward technique, high efficiency, noninverting buck-boost converter, smooth transition. ...
This paper presents a buck-boost converter with high efficiency and small output ripple to extend the battery life of portable devices. ...
ACKNOWLEDGMENT The authors would like to thank Chunghwa Picture Tubes, Ltd. for their help. ...
doi:10.1109/tpel.2009.2031803
fatcat:aiekgayeizdztptfgu37cynubq
A Wide Input Range Buck-Boost DC–DC Converter Using Hysteresis Triple-Mode Control Technique with Peak Efficiency of 94.8% for RF Energy Harvesting Applications
2018
Energies
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This reduces the efficiency of the proposed buck-boost converter. In reference [16], a zero-voltage-switching technique is proposed to implement the buck-boost converter. ...
Nevertheless, due to the two independently controllable switching sets, the controller for this non-inverting converter is very hard to obtain high conversion efficiency. ...
Our proposed buck-boost converter operates over three mode buck, buck-boost, and boost mode for better output regulation. ...
doi:10.3390/en11071618
fatcat:xecfayhuebgrjdnhian5rcqfqm
Performance of Positive Buck-Boost Converter with Mode Select Circuit and Feed-Forward Techniques Using Fuzzy Logic Controller
2015
International Journal on Recent and Innovation Trends in Computing and Communication
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switching losses are reduced the positive buck-boost converter operate in buck, buck-boost, or boost converter. ...
Hence Positive buck-boost converters with mode select circuit &feed forward techniques using fuzzy logic converter is designed And the modeling & experimental results were verified in MATLAB/ Simulink ...
Four power transistors produce more conduction losses and switching losses when operated in high frequency By using mode-select circuit we can operate the converter in three different modes as buck, boost ...
doi:10.17762/ijritcc2321-8169.150265
fatcat:mxnrk2lrgbddzpadjlrvkz5p64
Variable on-time control scheme to achieve high efficiency for AC/DC border line current mode buck converter
2022
3C Tecnología
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However borderline current mode (BCM) operated with fixed on-time control technique (FOCT) results in its low efficiency. ...
The main reason of low efficiency is due to high conduction and switching losses which occur due to high peak and rms inductor current. ...
Introducing the Varying On-Time Control Technique (VOCT) to obtain high efficiency. 3. Comparative analysis of the converter for FOCT and VOCT strategy. 4. ...
doi:10.17993/3ctecno.2022.specialissue9.181-195
fatcat:gmiofx2fnjhylnxgqcjb6ozs6e
Non-Isolated Bidirectional DC-DC Converters with Multi-Converter Functionality Employing Novel Start-up and Mode Transition Techniques
2020
IET Power Electronics
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Both topologies are compared based on mode transition methodology, stress on the converter switches, inductor size and rating. ...
Topologies A and B are capable of performing all basic converter operations, i.e. buck, boost, inverting buck-boost and non-inverting buck-boost in bidirectional mode, which allows the operating voltage ...
It shows that the converter achieves a peak efficiency of 95.6% at 280 W and 93.9% at 300 W for boost and buck modes of operation, respectively. ...
doi:10.1049/iet-pel.2019.0928
fatcat:7wjdrqthsva2znwnwmgwugbmyi
Research of an Efficient LED Lighting Driver Based on Boost-Buck Converter
2014
Circuits and Systems
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Boost-Buck converter is widely used in LED lighting drivers. ...
In this paper, Boost-Buck main circuit related characteristics are firstly discussed, and then a new Boost-Buck high power efficient double loop control strategy is built by adopting error amplifier and ...
Among all kinds of LED drivers, switch mode power converters are common choices for high-power LED driver due to its better efficiency [3] . ...
doi:10.4236/cs.2014.56017
fatcat:e7geguly5vakpazs6swn7354fa
Dual Bias Modulator for Envelope Tracking and Average Power Tracking Modes for CMOS Power Amplifier
2014
JSTS Journal of Semiconductor Technology and Science
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The BM includes a hybrid buck converter and a normal buck converter for an envelope tracking (ET) mode for high output power and for an average power tracking (APT) mode for low output power, respectively ...
For the 16-QAM LTE signal with a peakto-average power ratio of 7.3 dB and a bandwidth of 5 MHz, the PA with the ET mode exhibited a poweradded efficiency (PAE) of 39.2%, an EVM of 4.8%, a gain of 19.0 ...
In this paper, we propose a dual-mode BM that has a hybrid buck converter and a normal buck converter for CMOS PAs. For a high power region, the ET mode with a hybrid buck converter is used. ...
doi:10.5573/jsts.2014.14.6.802
fatcat:lmmufixkefbsros2bpn3tarv5e
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