30 Apr '17, 8am

Learn how to make the right choice for your #power stage design!

Learn how to make the right choice for your #power stage design!

Interestingly, IGBTs were developed specifically as power transistors, with the aim of combining both high-current and high-voltage. In this role, they have supplanted both BJTs and MOSFETs (as well as thyristors) in many high-power applications. There are quite impressive devices in this technology that can handle currents higher than 1000A while switching several thousand volts! They do have limitations, however, switching speed being a significant one. Manufacturers of these devices work continually to improve the switching speed (specifically by reducing the fall-time) and, in the decades since IGBTs were first commercially introduced, switching speeds have nearly tripled. Nevertheless, practical switching speeds for high-power IGBT power stage designs are seldom more than 50 kHz.

Full article: https://www.allaboutcircuits.com/technical-articles/fet-v...

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