HAL wrote:
With the large number of companies now making Gallium Nitride (GaN) based power supplies like SlimQ for USBC PD style power supplies, decided to try one for my Rock Pi X sbc. The switching frequency is usually 50% higher than Silicon Power MOSFET devices. The SlimQ SMPS is extremely quiet running the sbc. The PD style power supplies are auto-voltage, so the device tells the SMPS what voltage it wants, 5v, 9v, 12v or 18v. Small ones are typically 45 watt capable and the USBC cables can be rated up to 100 watts.
Since companies are now making GaN based Class D amps that I find to sound very good and they are simpler in design due to the higher switching frequencies, and the devices are getting less expensive, I am switching over to using them with my audio devices that need a DC power supply.
Interesting times for SMPS power supplies coming.
Rich,
How does GaN based switching PS compare to LPS for audio usage?
Shashi