Hi all
I designed 20A charger using tl494 ,the problem mosfet damaged many time one I connect mains rectified DC volt, also IC damaged,
I tried circuit without feedback many time so duty cycle 45% without any problem, I think when duty cycle close to 0 , mosfet bomb ,I think I need some component for protection
I designed 20A charger using tl494 ,the problem mosfet damaged many time one I connect mains rectified DC volt, also IC damaged,
I tried circuit without feedback many time so duty cycle 45% without any problem, I think when duty cycle close to 0 , mosfet bomb ,I think I need some component for protection
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