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Würth Elektronik Watts Up Podcast


Mar 10, 2022

Energy-efficient devices are important components for saving resources and protecting the environment. The more efficient the electronics, the longer the battery service life for mobile devices, and in large-scale industrial and server installations with thousands of loads, the energy requirement is clearly reduced. The basis for energy-efficient devices is essentially influenced by the power supply unit. Download the complete Application Note, ANP031, at www.we-online.com/appnotes or click here. 

Figure 1:

AC and DC Losses of a 2.2 µH coil, buck converter with 24 V to 12 V, 2 A, 500 kHz

Figure 2:

The Steinmetz Models

Figure 3:

Wurth Elektronik AC loss Model Compared to Theoretical Models