Design of LED TRIAC Dimming Circuit Based on SSL2101T

Xiu Hong Zhang; Ting Zhang Liu; Ling Yun Cao

doi:10.4028/www.scientific.net/AMM.734.965

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 734Design of LED TRIAC Dimming Circuit Based on...

Design of LED TRIAC Dimming Circuit Based on SSL2101T

Abstract:

A Triac dimmable LED driver based on SSL2101T is designed. The driver based on flyback topology with an extra Triac dimmer and a 220V/50Hz mains input achieves flicker free, smooth dimming. The proposed driver has acceptable efficiency and power factor. The Triac dimmer and the driver are introduced and the dimming control theorem is analyzed. The design of the transformer is demonstrated in detail. Experimental results show that the full load efficiency of a demo board is 73%, power factor 0.762 and the dimming range from 0 to 347.7mA.

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Periodical:

Applied Mechanics and Materials (Volume 734)

Pages:

965-969

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.734.965

Citation:

Cite this paper

Online since:

February 2015

Authors:

Xiu Hong Zhang*, Ting Zhang Liu, Ling Yun Cao

Keywords:

Flyback, LED Driver, Triac Dimming

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* - Corresponding Author

References

[1] YU Liu, YANG Jimming. The Topologies of White LED Lamps' Power Drivers. 3rd International Conference on Power Electronics Systems and Applications, Shenzhen, November 13-14, (2010).

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[2] Dustin R, Brad L, Anatoly S. Issues, Models and Solutions for Triac Modulated Phase Dimming of LED Lamps. IEEE 38th Annual Power Electronics Specialists Conference, Orlando, June 17-21, (2007).

DOI: 10.1109/pesc.2007.4342199

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[3] NXP Semiconductors N.V. AN10754 SSL2101 and SSL2102 dimmable mains LED driver. http: /www. nxp. com/documents/application_note/AN10754. pdf.

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