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Nonetheless. SiC require fast short-circuit protection in more complex designs, which poses a challenge for gate drivers that have to support varying voltages in different SiC topologies.
PI’s new SIC1182K SCALE-iDriver CI is a highly efficient, single channel MOSFET gate driver that provides the highest peak-output gate current without connecting an external boost. It can be set up to work with different gate-drive voltages required by different types of currently available SiC MOSFETs.
Alongside driving convensionals Si power devices like IGBTs and MOSFETs, SCALE-iDriver gate drivers ICs and SCALE-2 and SCALE-2+ gate driver cores are capable of driving SiC MOSFET power switches.
Available Gate Drivers
• SIC1182K - SiC MOSEFT Gate Driver
• SCALE-iDriver - Gate Driver IC
• 2SC0115T-12 - SCALE-2+ Driver Core
• 2SC0435T-17 - SCALE-2+ Driver Core
• 1SC2060P-17 - SCALE-2 Driver Core with Planar Transformers
• 2SC0650P-17 - SCALE-2 Driver Core with Planar Transformers
• 2SC0535T-17 - SCALE-2 Driver Core
• 2SC0635T-45 - SCALE-2 Driver Core
SIC MOSFET power switches from different manufacturers and of varying generations have different levels of gate turn-on and turn-off voltage. Some of MOSFETs are able to operate with 15V/ -10 V while others work with 19 V/ -6 V. Moreover, some devices need a regulated turn-on voltage while others require a regulated negative turn-off voltage to make sure that they do not exceed the gate-source safe operating area.
To adapt SCALE gate drivers to drive different MOSFETs, the control (VEE regulator) of the voltage dividing into positive and negative voltage rails related to the gate turn-on and turn-off levels can be configured. For more information please check the application note AN-1601.
Description: SCALE-iDriver can match different SiC MOSFETs by adjusting drive to VGS voltage levels
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