Switching from silicon-based PSUs to GaN-based PSUs reduces CO2 emissions on a set of 10 datacentre racks by 100 metric tons per year, says GaN Systems and financially, GaN-based PSUs increase data center profits by $3 million per year.
Most high-efficiency power supplies are designed with a bridgeless or semi bridgeless PFC stage and a resonant DC-DC stage such as an LLC resonant converter. GaN Systems’ 3kW BTP-PFC and 3kW LLC converter deliver the best-in-class solution.
Together, these designs exceed 80 PLUS Titanium efficiency requirements, achieve high power density above 80W/inch3, and reduce PSU total cost.
- 3kW BTP is the latest technology for a high-efficiency PFC. GaN Systems’ reference design offers less conduction loss and enables near 99% peak efficiency due to no body diode loss and the higher performance of GaN transistors. Additional benefits include using 40% fewer components and a 10% to 25% reduction in system cost.
- GaN Systems’ 3kW LLC reference design offers higher frequency (>200kHz for higher power density) and higher efficiency at both light and full load. The 54V output voltage can support 48V power architectures for data centers. The design highlights a power density of 146W/inch3 (air-forced cooling) and >98% peak efficiency, achieved with a resonant frequency at 250KHz and at a maximum frequency at 400KHz.
- Both 3kW BTP PFC and LLC reference designs use the latest generation 650 V E-mode Transistor, GS-065-030-2-L, the first GaN product on the market that enables designers to get the advantages of low-cost GaN in applications at the 3,000W power level.
For more information, download or view GaN Systems’ webinar presentation, “Benefits and Advantages of a GaN-based 3kW AC/DC PSU.”