To better understand the fundamental technologies of high-power-density designs, in this article I’ll examine the four most important aspects of high-power-density solutions:
- Reduced loss generation.
- Optimal topology and control selection.
- Effective heat removal.
- Reducing system volume through mechanical and electrical component integration.
I’ll also demonstrate how partnering with TI, and using advanced technological capabilities and products that support these four aspects, can help improve your efforts to achieve high-power-density figures.
But first, let’s define power density and highlight some important details when comparing solutions based on their power-density figures.
What is power density?
For power-management applications, the definition of power density seems straightforward: it is the rated (or nominal) output power of the converter divided by the volume that the converter occupies as shown in Figure 1.
But even this simple definition demands a lot of clarification if you want to compare power supplies, based on their power-densities.