Hello yuval,
We don't have this 1:1 replacement document in order to change from TPS40021 to TPS40021-EP.
As you can see in TPS40021 datasheet, page 31 (Package option addendum), TPS40021-EP is another qualified version of TPS40021.
Enhanced Product…
Part Number: TPS54260 Other Parts Discussed in Thread: TPS64200 , TPS40000 , TPS40040 , TPS40021-EP , TPS40007 , TPS65262-1 , TPS53353 , TPS53513 , TPS53355 , TPS53515 , TPS53318 , TPS53319 , TPS53915 I am anxious to use the concepts presented in TI’s PMP5863 Reference…