topic The Resonant SMPS Design Tool in Power Management https://community.nxp.com/t5/Power-Management/The-Resonant-SMPS-Design-Tool/m-p/1021097#M849 <HTML><HEAD></HEAD><BODY><P>Hi，</P><P>I use&nbsp;<SPAN style="color: #4a4a4d; background-color: #ffffff; font-size: 16px;">The Resonant SMPS Design Tool for a powersupply design with an input of 90V-264Vac and output of 57Vdc/9A.But I can't understand something about the transformer.Please see the attached file.</SPAN></P><P><SPAN style="color: #4a4a4d; background-color: #ffffff; font-size: 16px;">There is one pin of TX1 connected to nothing.Is it the inductor for LLC?</SPAN></P><P><SPAN style="color: #4a4a4d; background-color: #ffffff; font-size: 16px;">And how does every pin correspond to the turns?</SPAN></P></BODY></HTML> Thu, 21 Nov 2019 00:38:35 GMT bkl 2019-11-21T00:38:35Z The Resonant SMPS Design Tool https://community.nxp.com/t5/Power-Management/The-Resonant-SMPS-Design-Tool/m-p/1021097#M849 <HTML><HEAD></HEAD><BODY><P>Hi，</P><P>I use&nbsp;<SPAN style="color: #4a4a4d; background-color: #ffffff; font-size: 16px;">The Resonant SMPS Design Tool for a powersupply design with an input of 90V-264Vac and output of 57Vdc/9A.But I can't understand something about the transformer.Please see the attached file.</SPAN></P><P><SPAN style="color: #4a4a4d; background-color: #ffffff; font-size: 16px;">There is one pin of TX1 connected to nothing.Is it the inductor for LLC?</SPAN></P><P><SPAN style="color: #4a4a4d; background-color: #ffffff; font-size: 16px;">And how does every pin correspond to the turns?</SPAN></P></BODY></HTML> Thu, 21 Nov 2019 00:38:35 GMT https://community.nxp.com/t5/Power-Management/The-Resonant-SMPS-Design-Tool/m-p/1021097#M849 bkl 2019-11-21T00:38:35Z Re: The Resonant SMPS Design Tool https://community.nxp.com/t5/Power-Management/The-Resonant-SMPS-Design-Tool/m-p/1021098#M850 <HTML><HEAD></HEAD><BODY><P><SPAN class="">计算软件发给你了，另外我看了设计软件变压器有点问题，悬空的那个变压器的脚就是Primary wind的一端连接到Cr上面的，另外57V的输出不建议用同步整流了因为这个TEA1995 VCC最大到38V这样不能直接用，用快恢复二极管替代可行？</SPAN></P></BODY></HTML> Thu, 21 Nov 2019 06:38:41 GMT https://community.nxp.com/t5/Power-Management/The-Resonant-SMPS-Design-Tool/m-p/1021098#M850 guoweisun 2019-11-21T06:38:41Z