Acronym · Power & Discretes
VGS (Gate-Source Voltage)
The control voltage applied across a FET's gate and source, which determines whether the channel conducts and how hard. Its absolute maximum is limited by gate dielectric strength, commonly plus or minus 20 V in silicon and far less in GaN.
- Also known as
- Vgs
- Type
- Acronym
- Domain
- Power & Discretes, Device parameters
Notes
SiC MOSFETs are often driven at plus 18 or 20 V and held off at minus 3 to minus 5 V to guarantee turn-off.
Related terms
- VGS(th)
- Gate driver
- Miller plateau
- Gate oxide reliability
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