ROHM has developed a Totem-pole PFC controller IC compatible with GaN high-frequency switching and has published technical information using the uBM85060FV. The article covers the announcement date and the product’s components.
An article in EDN Japan reports that ROHM has developed a Totem-pole PFC controller IC designed for high-frequency switching using GaN devices. The announcement was made on 27 October 2026, and the company introduces the uBM85060FV as its new PFC controller.
The article briefly explains the potential application of Totem-pole PFC designs and the potential for higher efficiency using GaN technology. PFC operation for high-frequency switching applications is cited as a specific use case, based on information from ROHM’s technical release.