Skip to main content

All Questions

1 vote
1 answer
720 views

Influence of gate resistors and capacitors on driving gate of mosfet

Good Day, I wannted to ask in a typical gate driving circut of a Mosfet, we always have Rgoff, Rgon,RGS and CGS as shown in below screenschot. What is the purpose of these components in driving the ...
Alison's user avatar
  • 347
0 votes
0 answers
126 views

Bandwidth: voltage-source vs. current-source gate drivers

Why do voltage-source gate drivers provide low-to-medium bandwidth that does not work well for wide band gap devices, while current-source gate drivers provide hundreds of MHz of bandwidth?
Albert's user avatar
  • 151
0 votes
1 answer
462 views

Troubleshooting Skyper 32Pro R + Adapter Board 1 Skyper 32Pro R

Hello I am trying to test an IGBT SKM145GB066D with the Adapter Board 1 Skyper 32Pro R and gate driver Skyper 32 Pro R, but cannot make it work. I've spend 2 weeks trying, but it seems like some ...
Charles Wagner's user avatar
0 votes
2 answers
818 views

Ic-Vge IGBT Curve

In the figure below, presented in the manufacturer datasheet, you can see the Ic-Vge curve of an IGBT device. As mentioned, it has been drawn at Vce=20V. What does this equality mean? Can we have such ...
Mohsen's user avatar
  • 49
2 votes
1 answer
246 views

Why does a triac trigger with gate current in either direction?

I've been coming up to speed on thyristors, and triacs in particular. I've found detailed material on them a little hard to find, in particular on the device physics. Horowitz & Hill is silent on ...
scanny's user avatar
  • 7,172