Hi,
Maybe posting an image of the convergence error pop-up as well will be more helpful.
I don't know what program you are using and you say you've already fiddled with the parameters with no success... In the one I use, changing the time to larger steps e.g. from 10G to 1m sometimes helps. Occasionally a part/the Spice netlist appears to cause the issue and sometimes it's the part itself that makes the simulation unviable - easy to solve if it's just swapping e.g. a "fancy"/newly available transistor for a common, well-modelled transistor, not so much if it's the IC you need to simulate. I think sometimes adding a resistor in the right place can solve these issues but I wouldn't know where to tell you to do so.
Maybe trying in another simulator to see if the same issue(s) arise(s)?
Hello, I am using OrCad-Pspice for the simulation. I attached the output file with the convergence error.View attachment 153154
What is supposed to be the power supply for the control IC?
Your power supply icon appears to be AC. Instead it is normal to supply DC to a boost converter.
Start building your boost converter from the most simple basic topology. Remove the control IC. Apply a pulse train to the mosfet gate. Try various frequencies and duty cycles. The aim is to get it to work with no convergence errors. Or if you get an error then you'll have an easier time figuring out what to do about it.
Did you try to run the PSPICE examples provided by TI along with the model?
The power supply range of the IC is 6-60 V.
Does it work (or does it break) if exposed to negative polarity?
What happens when the AC supply goes into negative region?
Anyway, I tried to set a max time step of 10ns on 10ms of simulation and the convergence problem disappears but the simulation took more than 10 hours (...) At 1% I stopped the simulation.
I tried to set a max time step of 10ns
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