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Topic: Motor driver VNH5019A (Read 612 times) previous topic - next topic

SouthernAtHeart

In the schematic (figure 4) on the datasheet, there's a diode just above the MOSFET.  I'm not sure what to get for that part?
http://www.st.com/internet/com/TECHNICAL_RESOURCES/TECHNICAL_LITERATURE/DATASHEET/CD00234623.pdf

Thanks


SouthernAtHeart

Here is the schematic.  Do I need just a general purpose diode like the 1N4001 for the diode just above the MOSFET?
Thanks,

MarkT

That's not a separate diode, its an integral part of the MOSFET - all power MOSFETs have this "body diode" as part of their structure for reasons too complex to explain here.
[ I won't respond to messages, use the forum please ]

SouthernAtHeart

Thanks. I googled power MOSFET symbol and see what you mean!
Thanks again.

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