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UCD3138A: Inclusion of ORING function within the UCD3138A digital controller.

Part Number: UCD3138A


With reference to the LLC reference design (UCD3138ALLCEVM150) and PSFB reference design (UCD3138PSFBEVM-027).
Both of them employ UCD3138A digital controllers with application specific firmware. Also, both of these designs employ an extra ORING controller TPS2411PWR.

However, UCD3138A being a digital controller for power supply management, I wish to know whether an extra ORING controller (like TPS2411PWR) is really required? Or is it possible to include the ORING part within the digital UCD3138A controller itself with a suitable modification to existing firmware.

If it is so, kindly suggest suitable modifications in the source code for the same.

Thanks and Regards,