Comparison of Set-ups Dedicated to Measure Thermal Parameters of Power LEDs

K. Górecki, P. Ptak (Gdynia Maritime Univ., Poland), M. Janicki (Lodz Univ. of Techn., Poland)

The paper is devoted to measurements of thermal parameters of power LEDs. Two methods of measurements of transient thermal impedance and thermal resistance of the considered semiconductor devices and measuring set-ups realizing these methods are described. The results of measurements of the mentioned parameters obtained by means of both set-ups for selected power LEDs are compared and discussed. Selected properties of software operating with both the considered measuring set-ups are also analyzed.