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2. DOCUMENT FORMAT
• Abstract:
• Introduction:
• Literature Survey:
• System Analysis:
• Existing System:
• Disadvantages:
• Proposed System:
• Advantages:
• System Requirements:
• Block Diagram:
• Working Flow Diagram:
• Circuit Diagram:
• Implementation:
• Modules Description:
• System Study:
• System Testing:
• Software Description:
• Sample code:
• Conclusion:
• Future Enhancement:
• References:
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3. OFFLINE SOFT-SWITCHED LED DRIVER BASED ON
AN INTEGRATED BRIDGELESS BOOST
ASYMMETRICAL HALF-BRIDGE CONVERTER
TITLE
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CELL: +91 99436 99916 / 99436 99926 / 99436 99936

4. ABSTRACT
This paper proposes an offline single-stage lightemitting diode (LED) driver based on
a novel approach to reduce low-frequency ripple in LED arrays supplied from mains, while
assuring high input power factor (PF). The proposal employs a series resonant dc–dc converter
integrated into a bridgeless boost power factor correction (PFC) stage. The resonant stage
works to reduce the low-frequency ripple transmitted fromthe output of the PFC stage to the
LEDs with only small power losses. This solution achieves three main goals: 1) reduction of the
bulk capacitance used at the dc bus, allowing for the use of long-life film capacitors; 2)
increase in the overall efficiency of the LED driver owing to the low switching and conduction
losses in the shared switching network; and 3) assuring high input PF. Experimental results of a
driver without electrolytic capacitors for a 100-W street lighting LED luminaire are presented,
showing overall efficiency in excess of 92%, input PF greater than 0.97, and line current
harmonic content in compliance with the IEC 61000-3-2 standard.
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CELL: +91 99436 99916 / 99436 99926 / 99436 99936

5. CONTACT
MOBILE No:
99436 99916
99436 99926
99436 99936
E Mail:
i3eprojectskarur@gmail.com
Web:
www.i3etechnologies.com
www.i3eprojects.com
OUR OFFICES @ CHENNAI / TRICHY / KARUR / ERODE / MADURAI / SALEM / COIMBATORE /BANGALORE / HYDRABAD
CELL: +91 99436 99916 / 99436 99926 / 99436 99936

6. ADDRESS
#23A, 2nd Floor SKS Complex,
Bus Stand Opp. Karur-639 001.
OUR OFFICES @ CHENNAI / TRICHY / KARUR / ERODE / MADURAI / SALEM / COIMBATORE /BANGALORE / HYDRABAD
CELL: +91 99436 99916 / 99436 99926 / 99436 99936

7. Course
Embedded System,
PLC,
MATLAB,
Hardware & Networking.
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CELL: +91 99436 99916 / 99436 99926 / 99436 99936

8. We Develop IEEE Software &
Hardware Projects
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CELL: +91 99436 99916 / 99436 99926 / 99436 99936