I'm trying to switch a mosfet IRF3205 from an arduiono uno. I have a TC4227 mosfet driver to drive the mosfet. When connected, the mosfet will not turn off. So I wrote a blink sketch to the arduino and tested with an LED. If connected directly the LED will blink but if connected to the mosfet driver as in the attached schematic then it stays on. Am I connecting this thing correctly? Shouldn't the LED blink when connected to the driver chip?Here is a TC4227 datasheet: http://ww1.microchip.com/downloads/en/DeviceDoc/20001422G.pdf
Don't you need at least 8V on the TC4227 Vdd pin to drive a non logic level MOSFET?
That driver, when powered with 5volt, isn't much better than driving that mosfet directly from an Arduino pin.
That mosfet is not a logic level fet, and needs at least 10volt at the gate to fully turn on.
If someone has been able to find a datasheet for a TC4227 please post it because Google has nothing.Are you sure you don't mean TC4427 ?
That MOSFET requires >=10V on the gate to work properly, it most definitely is _not_ logic-level.
For instance, if a non-logic level MOSFET is really cheap at, say, ALL Electronics, and say, it's designed for an ID of up to 10A, but you only want to switch 1A, and you can see, from the datasheet, that at 5V on the Gate, the Drain will easily handle 1A, then why not! The only other consideration might be a higher gate capacitance than, say, a Logic Level MOSFET designed to switch 1A. But that's only a possible factor, if speed is an issue. A MOSFET with a VGTH that is higher than might normally, be considered too high to be "Logic Level", might be just fine at logic levels (at least with 5V logic) if it's not made to function at the extremes of it's capability.