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- How does this MOSFET based motor driver designed work
The MOSFET is acting like an on-off switch changing from on to off as quickly as you switch your PWM waveform So, if the PWM is 50% duty cycle then the average voltage across the motor is 50% of 4 8 volts = 2 4 volts
- Relationship between Vds and Vgs- MOSFET
The MOSFET acts like a voltage-controlled resistor This region is used for switching Saturation (Vgs > Vt and Vds > Vgs - Vt) -- current flows from drain to source The amount of current is proportional to the square of Vgs, and is (almost) independent of Vds The MOSFET acts like a voltage-controlled current source
- mosfet - How to understand current limiter circuit - Electrical . . .
Here the MOSFET IRF9530 works in linear mode of operation and transistor works in forward active Load resistance is 5 Ω and up to 15 Ω I can keep this MOSFET is linear mode and on increasing furth
- When is a MOSFET more appropriate as a switch than a BJT?
For an N-channel MOSFET (NMOS), for instance, which can switch current from Drain to Source, the body diode goes in the opposite direction, pointing from Source to Drain So, feel free to take advantage of this body diode when necessary, or just use the MOSFET as a diode directly
- MOSFET symbol - what is the correct symbol - Electrical Engineering . . .
I've been on this site now a couple of months and I notice various symbols used for MOSFETs What is the preferred symbol for an N Channel MOSFET and why?
- mosfet - Solenoid driver circuit with peak hold - Electrical . . .
That driver can be a small relay, a low-side BJT or mosfet driver, etc It just needs to hard-switch, our circuit will take care of switching from the 12V supply to the hold supply
- mosfet - How to design the gate resistor value? - Electrical . . .
Questions: 1) How to calculate the MOSFET input resistor? 2) What are the factors affecting the MOSFET input resistor calculation? 3) What will be the maximum, minimum resistor value possible and effect in the circuit if the resistor value is changed (Increased or decreased) ? Please let me know if any further info is required
- Do MOSFETs have a diode built into them?
I have noticed that a MOSFET symbol has a little diode in it (or at least what looks like a diode) Does this mean I do not have to worry about using a diode in a circuit that runs a motor using on
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