Power module inside inductor offers 96% efficiency

The SPM1004/5 power modules feature a patent-pending design concept, where the magnetic material forms the entire package and all components are mounted within the inductor. This power supply-in-inductor (PSI² ) technology provides up to 1,300 W/in.³ power density.

The power modules are the first products to be based on the new technology and offer pricing 50% less than most high density dc/dc modules with similar output ratings. The PSI2 technology features up to 96% efficiency. Power loss is reduced by up to 30%, which provides a 10°C lower surface temperature under typical conditions. The SPM1004 series has a 12-Vdc nominal input with the SPM1005 series for 5-V/3.3-V nominal input. Available dc outputs include 5, 3.3, 2.5, 1.8, 1.5, 1.2, 1.0, 0.8 and 0.6 V at up to 6-A load current.  Operating temperature range is from –40° to +85°C, without forced air or derating. The new dc/dc power modules suit distributed power systems needing high efficiency and high power density.