On 4/12/06, Dumitru Stama <list@mirosat.com> wrote:
>
> Hi guys
> Thank you all for helping/answering me. I will try swaping the source
> and drain and test again mosfet. My motor eats up about 12 Amps at
> normal load and almost 80 Amps when starting or holding the rotor.
> This is why i tried to use this IRF but as you guys told me maybe i
> will have to use a logic level mosfet for this. Do you have any
> suggestions ? I can give you my list with what i have :
> http://electronica.asm.ro/
> This is my whole library of components (what i own at home). Down
> there are the mosfets.
>
> Thank you again
> Dumitru Stama
> PS. I am still learning electronics, please go easy on me

I know, that's why I gave you the best advice it could.
I'm reading datasheets many times and still loose important information,
after 20 years of electronics...
:)

>
>
> VS> Dumitre,
> VS> IRF540 it's an N channel mosfet...
> VS> So, driving voltage it's Vgs.
> VS> You have the load in the source instead of drain.
> VS> Move it between drain to +Vcc and connect source to ground.
> VS> And read datasheet carafully  before connecting everything.
> VS> Vasile
>
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