SMPS topology Posted by: Elec-Engin on 06/26/2022 Hi friends which SMPS topology do you prefer for the main universal AC input and the output rating voltage 24v and the output current 10A ?considering about simplicity, cost-effective, and high efficiency ... コメント I would suggest an LLC Dc-DC stage using Hiper-LCS and a PFC front end using PFS4 - not the most simple topology, but the most efficient. thanks a lot for your suggestion. would you please give or introduce a document which can help me find out about the details of this topology and PFC stage? I will appreciate it... These will give you a start. We also have the PI Expert design tool that can be dowloaded or used on the web to aid with your design. https://www.power.com/design-support/application-notes/an-55-hiperlcs-family-design-guide https://www.power.com/design-support/design-examples/der-720-275-w-pfc-front-end-using-hiperpfs-4-integrated-diode https://www.power.com/design-support/design-examples/rdr-648-150-w-power-factor-corrected-llc-power-supply-using-hiperpfs-4-and-hiperlcs https://www.power.com/community/videos/hiperpfs-4-high-power-factor-across-load-range https://www.power.com/community/videos/hiperlcs-product-demo thanks again, what about PFC stage ? is it included? Yes, that is included. thanks, I downloaded them. the documents are so practical. if I want to design my own SMPS with different spec, should i just change the parameters in designing application? then the new schematic provided automatically? PI Expert should generate a schematic automatically. You will probably need to do a separate run for PFC and LLC stages and join them together.