Created: "May 7 2005"
Revised "May 9 2005"

This is a Functional Circuit for a H-Bridge.

I have added Protection against having Both inputs High.
In All the Circuits I have seen, This Causes the Circuit to Draw Very High Currents.
Essentially a "Total Short Circuit on the DC Supply".



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Click here for the "Schematic"
Note: CX is not mounted on the PCB.

Click here for the "PCB"
Due to Space Limitations, I decide not to put "CX" Filter Capacitor on the board.
However an Axial type capacitor could be placed across on the Copper side, if Necessary.

Click here for a Picture of it
In this Picture I show 2 Different Possible Heatsink on two Mosfets and 2 Mosfets Without Heatsinks.
What you need for the power you want is your Choice.

All Imformation in this Article is "Copyright protected".

 Chemelec 
 *Copyright © 2005*