Because of the Thanksgiving holiday in the U.S., TI E2E™ design support forum responses may be delayed from November 25 through December 2. Thank you for your patience.
Hello AnBer,
There is a plan to release and EVM with the LM5155 configured as a SEPIC. If you would like to see and example right now please look at TIDA-020009.
If you have any other questions please contact me directly.
Thanks,
Garrett