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1 vote
0 answers
115 views

MOSFET parasitic turn-on

I'm simulating a circuit which uses a high-voltage SiC N-channel FET to discharge a large voltage (something close to the breakdown voltage of the FET, 1.7 kV). The power supply for the circuit is a 1 ...
L30LVC's user avatar
  • 21
2 votes
2 answers
883 views

Wouldn't using two MOSFETs in push-pull configuration to drive a single MOSFET be counter-productive?

I'm trying to make a buck converter that uses a P-MOS for high-side switching using an STM32's PWM signal. I can't figure out why it would be useful to drive the MOSFET using a push-pull MOSFET gate ...
A.H.Z's user avatar
  • 633
0 votes
2 answers
147 views

MOSFET Controled Relay Problem

As a way to power-on/-off a circuit load, a MCU is used to drive a relay through two MOSFETs. The problem is, when the MCU GPIO output is measured 0-volt, the relay could stay connected. Can anybody ...
minghua's user avatar
  • 555
4 votes
1 answer
800 views

MOSFET fast turn-off not enough

I have a PWM bridge driving a higher than 1k load from 200V supply. The simplified, equivalent schematic is this: The drivers I'm using are slow turn-on/fast turn-off and, in the schematic, it's a 50%...
a concerned citizen's user avatar