unipolat inverter single phase

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bobbywu

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i want to make H-bridge inverter unipolar
the spesification:
Vout=220V
Pout max=1kW

i make H bridge with irfp460 and gate driver IR2112..

what am i still need the opotocupler?
how to design tips about bootstrap capasitor?
thanks...
 

Hi, when you are using IR2112 as your driver you dont need any optocopler because their is always a provision for boosttrap capacitor for the driver.
 

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