Power

Practical thermal design with DC/DC power modules

12th December 2018
Alex Lynn
0

 

All DC/DC converters dissipate power in the form of heat. This heat has to be managed properly so that the converter maintains operation within the recommended temperature limits. Usually, the copper on the printed circuit board (PCB) is utilised to help dissipate the heat.

This application note from Texas Instruments outlines a design procedure to quickly estimate the minimum required copper area on the PCB for a successful thermal design with DC/DC power modules.

Using power modules for DC/DC switching regulator design can greatly simplify the power solution and achieve excellent efficiency, solution size, and EMI compliance. For solutions using power modules, all of the relevant power dissipation components are part of the module package.

Because of this, the thermal design for the particular application can also be greatly simplified if the package is well characterised by the module manufacturer.

To learn more, click here.

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