How to Drive a non Logic Level MOSFET

308

08:17:46

So I bought a bunch of cheap MOSFETs on eBay, then realized that they weren't logic-level and their Vgs is 10v. (Real logic-level MOSFETs run about $1-$2 US each.)  I needed to figure out how to control this using Arduino or Raspberry Pi, so I gave the MOSFET a steady 12v, and when the npn bipolar junction transistor is given a 3.3v logic signal at the base, the voltage at the gate of the MOSFET reaches close to ground, which will send it's Drain to Source resistance very high, thus limiting the power to whatever load you are powering, essentially shutting it off.

published 8 years ago

handoko_h

5 years ago

Thanks.. that's my case also. When I learned to drive mosfet from arduino. Its very useful

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