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Results tagged with sic
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user 328228
1
vote
1
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286
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Conduction losses calculation of a SiC MOSFET
I have a question regarding conduction losses calculation of a SiC MOSFET. … and if you add up all three values you will get the total conduction losses of SiC MOSFET. …
- 357
0
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0
answers
159
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Reverse Conduction/Third Quadrant operation of SiC MOSFET
Good Day,
I have to calculate the Conduction losses of SiC MOSFET and how I am calculating total losses is by segregating the losses into three categoriesincludes, Forward Conduction loss of MOSFET, Reverse …
- 357
0
votes
0
answers
175
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IGBT and SiC MOSFET conduction losses
What is the actual reason behind IGBTs having lesser conduction losses than SiC MOSFETs? … For the same application, I can see that an IGBT having the same power rating exhibits 10 times more switching losses but 3 times lesser conduction losses then SiC MOSFET. …
- 357
0
votes
1
answer
78
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Impact of reverse conduction on control strategy of PMSM motor
On a three-phase inverter working as a Master Control Unit (MCU) to control a permanent magnet synchronous motor, if we replace the IGBTs with SiC MOSFETs, what could be the possible impact of this change … However, this reverse conduction of SiC MOSFETs has created some ambiguity for me and at the moment I don't have any clue regarding that. Could anyone here please guide me? …
- 357
2
votes
1
answer
145
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Multiple Source Terminals of SiC MOSFET
I want to know that most of the semiconductor top side cooled package have more than one power source terminal. I can understand by doing so you can minimze the loop inductance of gate driver loop how …
- 357
0
votes
0
answers
57
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Could an IGBT gate driver be used to drive a SiC MOSFET?
Can the same gate driver drive a 1200V SiC device considering SiC MOSFETS need -5V for safe turn off operation due to very low VGSth? … If we use an IGBT gate driver to derive a SiC FET, what are the pros and cons of such activity? …
- 357
4
votes
1
answer
493
views
Turning off a MOSFET
I saw that it is a very common phenomenon in SiC MOSFET as their datasheet always specifies a negative gate to source biased voltage to turn it off while in traditional silicon MOSFETs 0V is taken as turn … What does this difference actually mean when comparing SiC and Si MOSFETs? …
- 357
2
votes
1
answer
129
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Changing gate turn off voltage of SiC MOSFET from 0V to -4V
The design of sic gate driver circuit is designed to work at 0 V as gate turn off voltage. …
- 357
1
vote
0
answers
64
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Optimization of gate resistance value for gate driver circut of a SiC MOSFET
I am struggling to tune in the RG_on and RG_off values of gate resistors for SiC MOSFET. … ringing which at low switching currents are not causing any huge impact but as soon as I switch high power, it causes false turn on as magnitude of that ringing is very close to threshold voltage of SiC …
- 357