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Large Mosfet Motor Driver

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nford

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I need to design a Mosfet based H-bridge driver for a dc motor. It needs to be capable of delivering 10A current to a 24V motor. Does anybody have any good links?
 

Take a look at the circuit below ..
It can operate with wide range of voltages and the output current is determined by the type of MOSFETs used in this circuit ..
For example, if you employ the following MOSFETs:
REP30P06 (p-channel) and REP30N06 (n-channel) you can easily drive 10A motors .. http://www.datasheetcatalog.com/datasheets_pdf/R/F/P/3/RFP30P06.shtml

Regards,
IanP
 

Thanks a ton.

Should the resistors just be normal 1/4W, and the Diodes should be fast switching Schotky Rectifiers?
 

For 24V supply 1kΩ resistors should be rated for ≥ 0.5W ..
As far as diodes are concerned, most of MOSFETs have diodes build-in their structures, so there is no need for external diodes .. see picture below ..

Regards,
IanP
 

who have circuit only use one Mosfet and one roller
 

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