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Thread: CoolMOS vs CoolSiC

  1. #1
    Beginner Beginner Gyro Gearloose is on a distinguished road
    Join Date
    Aug 2019

    CoolMOS vs CoolSiC

    How similar is the CoolMOS MOSFET to the CoolSiC MOSFET?

  2. #2
    Beginner Beginner SiCguru is on a distinguished road
    Join Date
    Aug 2019
    Fast-switching devices like Si super-junction MOSFETs and CoolSiC™ MOSFET have many similar properties, e.g. temperature-independent switching losses, increase of Ron with temperature, etc.
    Unlike the CoolMOS™ device, the CoolSiC™ MOSFET benefits from negligible Qrr and the very small Qoss
    Application notes describing design measures to manage high switching speeds can also be used for CoolSiC™ MOSFETs.

  3. #3

    Infineon Employee
    Infineon Employee
    electricuwe is on a distinguished road
    Join Date
    Sep 2019
    Hi Gyro Gearloose,

    one main difference is the voltage range, where such devices are available. The main domain of CoolMOS is 650 V, with some parts up to 950 V. Contrary CoolSiC Mosfet can be designed also for much higher voltages.

    The lower Qrr of CoolSiC Mosfet makes the suitable for halfbridge applications with hard switching, whereas the main domain of CoolMOS are single switch applications like PFC or soft-switched converters.

    Best regards,
    The views expressed here are my personal opinions, have not been reviewed or authorized by Infineon and do not necessarily represent the views of Infineon.

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