Electronics > Beginners
Selecting MOSFET
<< < (6/7) > >>
Zero999:
Another thing you could consider is a MOSFET driver IC such as the TC4423, which will do the level shifting for you. As you're driving a P-channel MOSFET, you'll want an inverting driver, if you want the MOSFET to turn on, when the output is high. There are plenty of other MOSFET driver ICs available.
http://ww1.microchip.com/downloads/en/devicedoc/21421d.pdf
spec:
+ permal

I meant to say that you can cater for different voltages just by adding another resistor. But it does mean that you would have to change the resistor to suit the voltage range that you are using, as shown in the attached schematic below:
sairfan1:
link at 'great help' reaches at page not found, can you please update it, thanks
exe:

--- Quote from: spec on January 17, 2019, 02:03:56 pm ---schematic below

--- End quote ---

Just in case, the first mosfet doesn't need to be that beefy. Although, it may not make sense to have a separate stock of less powerful fets...
spec:

--- Quote from: exe on January 17, 2019, 04:32:25 pm ---
--- Quote from: spec on January 17, 2019, 02:03:56 pm ---schematic below

--- End quote ---

Just in case, the first mosfet doesn't need to be that beefy. Although, it may not make sense to have a separate stock of less powerful fets...

--- End quote ---
Yes, that is the philosophy. If you ever needed a low side power switch, for example, you could simply use the NMOSFET.
Navigation
Message Index
Next page
Previous page
There was an error while thanking
Thanking...

Go to full version
Powered by SMFPacks Advanced Attachments Uploader Mod