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Original question:

TINA/Spice/INA1620: TINA/INA1620: TINA-TI Warning "Operating point not found"

UC1825: In TINA TI simulation: operating point not found error

Japjeet Kapoor
Prodigy 50 points

Part Number: UC1825
Other Parts Discussed in Thread: UC1901,

Tool/software:

I am running a converter controller simulation with uc1901, uc1825 and push pull convetrer. Transient analysis is running fine but i was to do ac analysis but i am getting operating point not found error. What might be the reason?2025_Jul_09_Noname_mod_mod.TSC

  • 0
    TI__Guru 74075 points

    Hi,

    It looks you need to adjust the red underlined item per the TINA software help.

    The below is from my random change and it can get through without that "operating point not found error". You may need to adjust by trial and error to make it work but to make the tightest resolution.