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This paper presents the Taylor series expression based light-emitting-diode (LED) model for the analysis of the LED driver system. In order to precisely describe the nonlinear – curve of LEDs, Taylor series can be utilized to express the Shockley equation of LEDs for the derivations of the dc and small-signal equivalent models. Based on the proposed LED models, the LED array with paralleled strings...
This paper presents the Taylor series expression based equivalent circuit models of light emitting diodes (LEDs) for the analysis of the LED driver system. In order to describe the non-linear V-I characteristics of LEDs, Taylor series can be used to express the equivalent conductance components in the DC and AC equivalent circuit models of LEDs. Based on the Taylor series expression, the equivalent...
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