Single inductor dual-output buck–boost power factor correction converter

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Single inductor dual-output buck–boost power factor correction converter To Get this projects Call : 9566355386 / 99625 88976 Visit : www.lemenizinfotech.com / www.ieeemaster.com Mail : projects@lemenizinfotech.com

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LeMeniz Infotech
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Pondicherry-605 005.
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Mail : projects@lemenizinfotech.com
Single-Inductor Dual-Output Buck–Boost
Power Factor Correction Converter
Abstract
A single-inductor dual-output (SIDO) buck– boost power
factor correction (PFC) converter operating in critical
conduction mode is proposed in this paper. By multiplexing a
single inductor, each output of the SIDO buck–boost converter
can be regulated independently. Compared with a conventional
two-stage multiple-output converter, the SIDO buck–boost PFC
converter benefits from significant overall cost saving, small
size, and light weight. Moreover, the efficiency of the SIDO
buck–boost PFC converter can be improved due to single-stage
power conversion.
Existing system
In order to achieve a high PF and to accurately regulate the
output voltages or currents of a multiple-output ac/dc converter,
a conventional multiple-output ac/dc power converter consisting
of two-stage power conversion is utilized, where the PFC pre-
regulator provides the dc bus voltage vbus and parallel-

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Copyright © 2015 LeMeniz Infotech. All rights reserved
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LeMeniz Infotech
36, 100 Feet Road, Natesan Nagar, Near Indira Gandhi Statue,
Pondicherry-605 005.
Call: 0413-4205444, +91 9566355386, 99625 88976.
Web : www.lemenizinfotech.com / www.ieeemaster.com
Mail : projects@lemenizinfotech.com
connected dc-to-dc regulators are used to regulate the output
voltage or output current from vbus. However, the single-stage
PFC converter can achieve high PF and output current or voltage
regulation at the same time. Hence, it has drawn more and more
attention in recent years.
Proposed system
In this paper, a novel single-inductor dual-output (SIDO)
buck–boost PFC converter operating in critical conduction mode
(CRM) is proposed. Its control strategy and corresponding
characteristics are analyzed. Independent regulation of each
output can be achieved in this converter by multiplexing a single
inductor.

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Copyright © 2015 LeMeniz Infotech. All rights reserved
Page number 3
LeMeniz Infotech
36, 100 Feet Road, Natesan Nagar, Near Indira Gandhi Statue,
Pondicherry-605 005.
Call: 0413-4205444, +91 9566355386, 99625 88976.
Web : www.lemenizinfotech.com / www.ieeemaster.com
Mail : projects@lemenizinfotech.com
Advantages
 High efficiency.
 Cost saving, small size, and light weight.
Applications
 Multilevel voltage supply systems.
 Current balancing for multiple LED string driving.
 RGB LED lighting.

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Copyright © 2015 LeMeniz Infotech. All rights reserved
Page number 4
LeMeniz Infotech
36, 100 Feet Road, Natesan Nagar, Near Indira Gandhi Statue,
Pondicherry-605 005.
Call: 0413-4205444, +91 9566355386, 99625 88976.
Web : www.lemenizinfotech.com / www.ieeemaster.com
Mail : projects@lemenizinfotech.com
Block diagram:
BUFFER
circuit
5VDC
PIC controller
circuit
OPTO coupler circuit
12 V
DC
Single
phase AC
supply
Diode
bridge
rectifier
Filter
Converter 2
Converter 1 Filter 1
Filter 2
Load 1
Load 2

Do Your Projects With Domain Experts…
Copyright © 2015 LeMeniz Infotech. All rights reserved
Page number 5
LeMeniz Infotech
36, 100 Feet Road, Natesan Nagar, Near Indira Gandhi Statue,
Pondicherry-605 005.
Call: 0413-4205444, +91 9566355386, 99625 88976.
Web : www.lemenizinfotech.com / www.ieeemaster.com
Mail : projects@lemenizinfotech.com
Tools and software
 MPLAB – microcontroller programming.
 ORCAD – circuit layout.
 MATLAB/Simulink – Simulation.

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