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Query related to Thermal Transient analysis

Question asked by indu.bala on Feb 17, 2014
Latest reply on Feb 17, 2014 by yu.yanfeng

Hii Sir,

i want to perform transient analysis of the Low side Driver e.g. BTS3256D which has power 5W and is switching every 200 micro-seconds and the switching characteristics are a follows-

Case 1- 0-128 micro second

           Power = 0.09 W

Case 2 - 128 - 200 micro second

             Power = 0 W

but on setting these conditions for a total transient period of 400 micro seconds I am getting a constant temperature to be 30 deg celsius. It remains unchanged for the total time duration. Kindly help me to perform the transient of this component.