STB Wrote:
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> Some thoughts on MOSFET switching. Gate drivers
> for the MOSFETS are mandatory, driving the gate
> with 3.3V results in bad Rds_on behaviour.
> You should think about driving the gates with 12V.
> MOSFETS in this case achieve significantly lower
> Rds_on and are cheaper compared to the 5V (logic)
> FETs.
Unfortunately, my electronics ability is such that I know a gate driver is a good idea, but not necessarily how to implement one cheaply and effectively.
There are many ways to implement a gate driver, do you have a particular circuit in mind?
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> Some thoughts on MOSFET switching. Gate drivers
> for the MOSFETS are mandatory, driving the gate
> with 3.3V results in bad Rds_on behaviour.
> You should think about driving the gates with 12V.
> MOSFETS in this case achieve significantly lower
> Rds_on and are cheaper compared to the 5V (logic)
> FETs.
Unfortunately, my electronics ability is such that I know a gate driver is a good idea, but not necessarily how to implement one cheaply and effectively.
There are many ways to implement a gate driver, do you have a particular circuit in mind?