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TPS54873: Can TPS54873 be used as a alternative part for TPS54810?

Part Number: TPS54873
Other Parts Discussed in Thread: TPS54810, TPS62870

Hello guys,

One of my customer has the following question about TPS54873.
Could you please give me your reply for them?

Q. Can TPS54873 be used as a alternative part for TPS54810?
     We think that TPS54873 different point from TPS54810 is pre-bias start up function only.
     TPS54810 doesn't have the function and TPS54873 has it. So we think that TPS54873 is higher performance device than TPS54810 and TPS54810 can be replaced with TPS54873.
     Is our understanding correct? 

Your reply would be much appreciated.

Best regards,
Kazuya.