Be aware that if you use a single transistor to shift levels, you will
invert the signal - off will be on, and on will be off.

Cheers,

Bob


>
> This is what i wanted to ask you now guys but you guessed it :)
> So after all a simple 2N2222 to drive the mosfet might be the answer
> for my simple project. The absolute maximum of Vgs is 20v so 7.2v (my
> maximum Vcc) is quite ok and from the graphs in datasheet for this
> voltage applied to the gate i get maximum transfer :)
>
> Great ! Now i am really happy. You piclist guys are the best
> Thank you
> Dumitru Stama
>
>
> MRJ> If you have no logic level MOSFETs handy, you could add a simple NPN
> bipolar transistor to drive the MOSFET's gate from the motor supply.
> However, be carefull not to exceed the maximum
> MRJ> allowable voltage on the gate (Vgs(max)).  If the motor supply
> voltage is higher than this then use e.g. a zener to clamp it.
> MRJ> Regards
> MRJ> Mike
>


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