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TPS54623: is there any better option similar to TPS54623 with max current=5A?

Part Number: TPS54623
Other Parts Discussed in Thread: TPS54521, , TPS54528

Customer thought that TPS54623 is too expensive for them. Is there any better option to it? Or other similar products? And the max output current=5A is also ok for them. I am checking TPS54521, but it seems that  the efficiency of TPS54521 is a bit lower than TPS54623 .