What is the difference of using IGBT instead of MOSFET?

Answer 1

[Harsh Saxena]

Hi Mark,

In a Simulink model, you won't notice a huge difference between IGBT and MOSFET.

The main difference between IGBT and MOSFET is the switching loss(more switching loss in IGBT), Switching speed(MOSFETs are faster) and voltage ratings(IGBTs have higher voltage ratings).

You can notice these subtle differences in Simulation results but it won't be a huge difference. In my opinion they are quite intercheagable.

Hope this helps!

[Mark Ceasar Cubelo]

Thank you so much for answering my question, Harsh!

Answer 2

[Nikhil]

Hey Mark,

While it is true that IGBTs and MOSFETs have some differences in terms of switching loss, switching speed, and voltage ratings, it's important to consider the context and specific requirements of your Simulink model. The impact of these differences can vary depending on the application and the specific conditions of your simulation.

Switching Loss: IGBTs generally have higher switching losses compared to MOSFETs due to their internal structure and the need for a gate driver.

Switching Speed: MOSFETs generally have faster switching speeds compared to IGBTs, which can be advantageous in applications that require rapid switching or precise control.

Voltage Ratings: IGBTs typically have higher voltage ratings compared to MOSFETs, which makes them more suitable for high-voltage applications.

It's worth noting that while IGBTs and MOSFETs have distinct characteristics, they can often be used interchangeably depending on the specific requirements of your simulation. Simulink models generally aim to capture the behavior of a system, and in many cases, the differences between IGBTs and MOSFETs may not result in significant deviations from the expected behavior.

Hope this works for you.