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Using FREDFETs in BLDC motor drivers to overcome thermal challenges - issue 1/2019
A recent IHS report suggests that the global market for brushless DC (BLDC) motors in home applications is set to rise from around 430 million units per year to 750 million units per year over the...
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Power Electronics Europe News
 
Inductors have low DCR for multi-phase supplies

The IHSR-1616AB-01 inductors have been added to the IHSR series of high saturation commercial inductors. The 4.0 x 4.0mm inductors are designed for multi-phase, high current power supplies and filters in computer, industrial, and telecomms applications.

The inductors offer a 50% reduction in DCR over typical power inductors and standard DCR tolerance of 5%, with 3% tolerance available for more accurate current sensing. 

The inductors have a frequency range up to 5MHz and is optimised for energy storage in DC/DC converters and high current filtering up to the self-resonant frequency (SRF) of the inductor (418 to 856MHz). Target applications include notebooks, desktop PCs, and servers, low profile, high current power supplies and filters; and DC/DC converters for distributed power systems. 

Low typical DCR down to 1.15mΩ and inductance up to 0.068µH allow for higher current density than competing technologies. The inductors offer high temperature operation to 125°C, rated current to 62A, and handles high transient current spikes without saturation.

Packaged in a 100% lead (Pb)-free shielded, composite construction claimed to reduce buzz noise, the inductor offers high resistance to thermal shock, moisture, and mechanical shock. The inductors are RoHS-compliant and halogen-free.

 



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