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2016•공학기술논문지Open access

직렬 RLC 공진을 이용한 저전력 LED 구동회로

박성호, 김충원

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Abstract

In this paper, a simple and robust low-power LED driver using a series RLC resonant circuit is proposed and discussed. The characteristic of the series RLC resonant circuit is that the voltages across the capacitor and the inductor are Q factor times the input voltage. Thus, it will be possible to drive the LED arrays in the series RLC resonant circuit which having a sufficient Q. MATLAB simulations and the experimental results showed that the proposed LED driver is very efficient and robust for driving LEDs with a very low input voltage less than 1.5 Vrms.

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What this paper is about

In this paper, a simple and robust low-power LED driver using a series RLC resonant circuit is proposed and discussed. The characteristic of the series RLC resonant circuit is that the voltages across the capacitor and the inductor are Q factor times the input voltage. Thus, it will be possible to drive the LED arrays in the series RLC resonant circuit which having a sufficient Q. MATLAB simulations and the experimental results showed that the proposed LED driver is very efficient and robust for driving LEDs with a very low input voltage less than 1.5 Vrms.

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Available abstract

In this paper, a simple and robust low-power LED driver using a series RLC resonant circuit is proposed and discussed. The characteristic of the series RLC resonant circuit is that the voltages across the capacitor and the inductor are Q factor times the input voltage. Thus, it will be possible to drive the LED arrays in the series RLC resonant circuit which having a sufficient Q. MATLAB simulations and the experimental results showed that the proposed LED driver is very efficient and robust for driving LEDs with a very low input voltage less than 1.5 Vrms.

Key concepts: RLC circuit, Inductor, RL circuit, Resonant inverter, Capacitor, Voltage, Series (stratigraphy), LED circuit

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직렬 RLC 공진을 이용한 저전력 LED 구동회로 — Research Paper | ScholarLens