brushless-dc-motormosfetmosfet-driver
As title, I always see an N-Channel MOSFET on both HIGH and LOW side of a 3-phase BLDC motor driver.
i.e.
Can you explain me why is better to use 6 n-channel instead of 3 n-channel and 3 p-channel?
p.s. In this case there isn't high side driver to PWM mosfets.
I think this MIC5014 driver chip will work for you
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Best Answer
More efficient, more available and cheaper.
Also usually not any easier or simpler. PMOS requires extra high side gate circuitry anyways above ~20V (limited by max |Vgs| that the gate-source is exposed to when gate pulled to GND to turn it on in a simple PMOS high side gate drive scheme) so you don't save any effort. Max |Vds| is higher so is not the weakest link in a simple high side PMOS scheme. If you need high side gate drivers anyways then you might as well just use NMOS.