Could you explain the background of the questions you described?
From the description, we don't understand what do you want to do and what issue you meet?
Or could you tell us the formula where you get?
the application background is to control the dimmable light brightness, we can control the PWM pulse width to change the brightness, each time the PWM pulse width changes too much, it will cause the lamp to flicker !
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Do you check if the PWM accuracy is the root cause? I am not sure if 1% change of the PWM output will cause a flicker.
As we tested before, when you set the PWM output to 100% or 0%, the output may be wrong. Could you check if that is the problem?
I am sure that the PWM accuracy is the root cause, now I have enhanced the PWM accuracy, the flicker question has been resolved