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- 5th July 2016, 10:17 #1
- 5th July 2016, 10:17
5th July 2016, 11:05 #2
- Join Date
- Apr 2014
- 1989 / 1989
Re: Extra schottky diode in H bridge circuit
there is no dedicated "catch" diode. I think you mean the body diode. The diodes are a side effect when producing MOSFETs.
But they are slow (high reverse recovery time). So for fast switching with low dead time I recommend to use external diodes.
For slow switching there is no need for external diodes.
For a more detailed answer we need more details of your circuit.