A high current accuracy boost white LED driver based on offset calibration technique

IEEE Transactions on Circuits and Systems II: Express Briefs

Volumn 58, Issue 4, 2011, Pages 244-248

  Hsieh, Yuan Ta ^a   Liu, Bin Da ^a   Wu, Jian Fu ^b   Fang, Chiao Li ^b   Tsai, Hann Huei ^b   Juang, Ying Zong ^b  

^a NATIONAL CHENG KUNG UNIVERSITY   (Taiwan)

^b NATIONAL APPLIED RESEARCH LABORATORIES   (Taiwan)

Author keywords

Boost white light emitting diode (WLED) driver; current accuracy; direct current (dc)dc; efficiency; offset calibration

Indexed keywords

CALIBRATION; EFFICIENCY; LIGHT EMITTING DIODES; OVERCURRENT PROTECTION; OVERVOLTAGE PROTECTION; SEMICONDUCTOR DEVICE MANUFACTURE;

DESIGN TRADEOFF; DIRECT CURRENT; HIGH POWER EFFICIENCIES; OFFSET CALIBRATION; POWER EFFICIENCY; REFERENCE VOLTAGES; TAIWAN SEMICONDUCTOR MANUFACTURING COMPANIES; WHITE LIGHT EMITTING DIODES;

SURGE PROTECTION;

EID: 79955600672     PISSN: 15497747     EISSN: 15583791     Source Type: Journal    
DOI: 10.1109/TCSII.2011.2124590     Document Type: Article

References (13)

1. C.-C. Chen, C.-Y. Wu, and T.-F. Wu, "LED back-light driving system for LCD panels", in Proc. IEEE APEC, Mar. 2006, pp. 381-385. (Pubitemid 44523430)
2. X. Xu and X. Wu, "High dimming ratio LED driver with fast transient boost converter", in Proc. IEEE PESC, Jun. 2008, pp. 4192-4195.
3. C.-H. Wu and C.-L. Chen, "High-efficiency current-regulated charge pump for a white LED driver", IEEE Trans. Circuits Syst. II, Exp. Briefs, vol. 56, no. 10, pp. 763-767, Oct. 2009.
4. K. Chen and C. Chen, "The foundry perspective on integrated power technologies", in Proc. IEEE ISPSD, Jun. 2009, pp. 6-8.
5. Datasheet: LM3502 Step-up converter for white LED applications, Clara, CA. [Online]. Available: http://www.national.com/ds/LM/LM3502.pdf
6. Datasheet: TPS61150A Dual Output Boost WLED Driver Using Single Inductor, Dallas, TX. [Online]. Available: http://focus.ti.com/docs/prod/folders/print/ tps61150a.html
7. Datasheet: MAX1553 High-Efficiency, 40 V Step-Up Converters for 2 to 10 White LEDs, Sunnyvale, CA. [Online]. Available: http://datasheets. maxim-ic.com/en/ds/MAX1553-MAX1554.pdf
8. Datasheet: LT3593 1 MHz White LED Driver With Output Disconnect and One Pin Current Programming, Milpitas, CA. [Online]. Available: http://cds.linear. com/docs/Datasheet/3593f.pdf
9. M. Day, "LED-driver considerations", Applications Journal Analog and Mixed-Signal Products, 2004. [Online]. Available: http://focus.ti.com/lit/an/slyt084/slyt084.pdf
10. M. J. M. Pelgrom, A. C. J. Duinmaijer and A. P. G. Welbers, "Matching properties of MOS transistors", IEEE J. Solid-State Circuits, vol. 24, no. 5, pp. 1433-1439, Oct. 1989.
11. W.-H. Ki, "Signal flow graph in loop gain analysis of dc-dc PWM CCM switching converters", IEEE Trans. Circuits Syst. I, Fundam. Theory Appl., vol. 45, no. 6, pp. 644-655, Jun. 1998. (Pubitemid 128745899)
12. B. Bryant and M. K. Kazimierczuk, "Open-loop power-stage transfer functions relevant to current-mode control of boost PWM converter operating in CCM", IEEE Trans. Circuits Syst. I, Reg. Papers, vol. 52, no. 10, pp. 2158-2164, Oct. 2005. (Pubitemid 41556101)
13. K.-H. Chen, C.-J. Chang, and T.-H. Liu, "Bidirectional currentmode capacitor multiplier for on-chip compensation", IEEE Trans. Power Electron., vol. 23, no. 1, pp. 180-188, Jan. 2008.