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Can you please provide an unencrypted SPICE model of the TPS54531 that supports inverting buck boost operation?
From other E2E threads, it appears that this part will work in that mode no problem, but the SPICE model doesn't work properly probably due to some internal nodes tied in an incompatible way.
Was really hoping to feature this device is a app note that I'm working on, but I need to be able to simulate it.
Thanks!
-Steve
Hi Steve
I am sorry for that we don't have the pspice model for the inverting buck boot operation. Actually we have some reference designs for the inverting buck boost operation using other devices, may be you can refer to that. Link: https://www.ti.com/tool/TIDA-050053
Also, I attach the file below. You may apply for the board and do some tests. Hope this helps.
BR
Ruby