You can refer to the PMP22606 design. It is a 1kW PFC design.
https://www.ti.com/tool/PMP22606
Please compare your schematic with this reference design to see if there is any major difference.
You can also order the UCC28180 EVM to get yourself familiarized…
Hello Huang,
I would recommend the UCC28180 since it is a single-phase CCM controller. This controller can be used in your 1kW application, as shown below in page 1 of the UCC28180 datasheet. This will have the smallest size due to its high 250kHz max…