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A Wide Frequency Range LLC Resonant Controller IC with a Phase-Domain Resonance Deviation Prevention Circuit for LED Backlight Units
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  • Journal title : Journal of Power Electronics
  • Volume 15, Issue 4,  2015, pp.861-875
  • Publisher : The Korean Institute of Power Electronics
  • DOI : 10.6113/JPE.2015.15.4.861
 Title & Authors
A Wide Frequency Range LLC Resonant Controller IC with a Phase-Domain Resonance Deviation Prevention Circuit for LED Backlight Units
Park, YoungJun; Kim, Hongjin; Chun, Joo-Young; Lee, JooYoung; Pu, YoungGun; Lee, Kang-Yoon;
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 Abstract
This paper presents a wide frequency range LLC resonant controller IC for LED backlight units. In this paper a new phase-domain resonance deviation prevention circuit (RDPC), which covers a wide frequency and input voltage range, is proposed. In addition, a wide range gate clock generator and an automatic dead time generator are proposed. The chip is fabricated using 0.35 μm BCD technology. The die size is 2 x 2 mm2. The frequency of the clock generator ranges from 38 kHz to 400 kHz, and the dead time ranges from 300 ns to 2 μs. The current consumption of the LLC resonant controller IC is 4 mA for a 100 kHz operation frequency using a supply voltage of 15 V.
 Keywords
Backlight unit;Clock generator;Dead time;LED driver;LLC resonant controller;Prevention Circuit (RDPC);Resonance Deviation;Wide range;
 Language
English
 Cited by
 References
1.
L. Y. Pan, S. C. Chang, M. Y. Liao, and Y. T Lin, “The future development of global LCD TV industry,” in Proc. PICMET, pp. 1818 -1821, 2007.

2.
F. Xiaoyun, L. Xiaojian, and W. Yan, “Research and analysis of the design development and perspective technology for LED lighting products,” in Proc. IEEE CAID&CD, pp. 1330-1334, 2009,

3.
S.-S. Hong, S.-H. Lee, S.-H. Cho, C.-W. Roh, and S.-K. Han “A new cost-effective current-balancing multi-channel LED driver for a large screen LCD backlight units,” Journal of Power Electronics, Vol. 10, No. 4, pp. 351-356, Jul. 2010. crossref(new window)

4.
B. Yang and F. C. Lee, "LLC resonant converter for front end DC/DC conversion," in Proc. IEEE APEC, Vol. 2, pp. 1108-1112, 2002.

5.
B. Lu, W. Liu, Y. Liang, F. C. Lee, and J. D. Van Wyk, "Optimal design methodology for LLC resonant converter," in Proc. IEEE APEC, pp. 533-538, 2006.

6.
H.-S. Choi, “Design consideration of half-bridge LLC resonant converter,” Journal of Power Electronics, Vol. 7, No. 1, pp. 13-20, Jan. 2007.

7.
B. Yang, “Topology investigation of front end DC DC converter for distributed power system,” Ph. D. thesis, Virginia Polytechnic Institute, Blacksburg, VA, USA, 2003.

8.
D. J. Tschirhart and P. K. Jain, "Secondary-side control of a constant frequency series resonant converter using dual-edge PWM," in Proc. IEEE APEC, pp. 544-549, 2010.

9.
J. Garcia, A. J. Calleja, E. L. Corominas, D. Gacio, and J. Ribas, "Electronic driver without electrolynic capacitor for dimming High Brightness LEDs," in Proc. IEEE IECON, pp. 3518-3523, 2009.

10.
W. Liu and J. D. van Wyk, "Design of integrated LLCT module for LLC resonant converter," in Proc. IEEE APEC, pp. 362-368, 2005.

11.
Y. Lembeye, P. Goubier, and J. P. Ferrieux, “Integrated planar L-C-T component: design, characterization and experimental efficiency analysis,” IEEE Trans. Power Electron., Vol. 20, No. 3, pp. 593-599, May 2005. crossref(new window)

12.
J. Garcia, M. A. Dalla-Costa, J. Cardesin, J. M. Alonso, M. Rico-Secades, “Dimming of high-brightness LEDs by means of luminous flux thermal estimation,” IEEE Trans. Power Electron., Vol. 24, No. 4, pp.1107-1114, Apr. 2009. crossref(new window)

13.
C. C. Chen, C. Y. Wu, Y. M. Chen, and T. F. Wu, “Sequential color LED backlight driving system for LCD panels,” IEEE Trans. Power Electron., Vol. 22, No. 3, pp. 919-925, May 2007. crossref(new window)

14.
K. Zhou, J. G. Zhang, S. Yuvarajan, and D. F. Weng, “Quasi-active power factor correction circuit for HBLED driver,” IEEE Trans. Power Electron., Vol. 23, No. 3, pp. 1410-1415, May 2008. crossref(new window)

15.
R. Beiranvand, B. Rashidian, M. R. Zolghadri, and S. M. H. Alavi, “Optimizing the normalized dead-time and maximum switching frequency of a wide-adjustable-range LLC resonant converter,” IEEE Trans. Power Electron., Vol. 26, No. 2, pp. 462-472, Feb. 2011. crossref(new window)

16.
D. Fu, Y. Liu, F. C. Lee, and M. Xu, “Novel driving scheme for synchronous rectifiers in LLC resonant converters,” IEEE Trans. Power Electron., Vol. 24, No. 5, pp. 1321-1329, May 2009. crossref(new window)

17.
S.-W. Hong, H.-J. Kim, J. S. Park, Y. G. Pu, J. Cheon, D. H. Han, and K. Y. Lee, “Secondary-side LLC resonant controller IC with dynamic PWM dimming and dual-slope clock generator for LED backlight units,” IEEE Trans. Power Electron., Vol. 26, No. 11, pp. 3410-3422, Nov. 2011. crossref(new window)

18.
H. J. Kim, S. Y. Kim, and K. Y. Lee, “A dual-output integrated LLC resonant controller and LED driver IC with PLL-based automatic duty control,” Journal of Power Electronics, Vol. 12, No. 6, pp. 886-894, Nov. 2012. crossref(new window)

19.
L6699: Enhanced High Voltage Resonant Controller, www.st.com, Jan. 2013.

20.
NCP1398B/C: High Performance Resonant Mode Controller with Integrated High-Voltage Drivers, www.onsemi.com, Jan. 2013.

21.
ICE2HS01G: High Performance Resonant Mode Controller, www.infineon.com, May 2011.