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Power Integrations’ new gate-driver system enables paralleling of up to four SiC power modules

Power Integrations, a manufacturer of gate-driver technology for medium- and high-voltage inverter applications, has introduced the SCALE-iFlex gate-driver system for IGBT, hybrid, and silicon-carbide (SiC) MOSFET power modules with blocking voltages from 1.7 to 4.5 kV.

The system consists of a central Isolated Master Control (IMC) and one to four Module-Adapted Gate Drivers (MAGs). The IMC provides a 4.5 kV blocking voltage. PI is manufacturing a range of MAGs to service a variety of technologies across 1,700 V, 3,300 V and 4,500 V voltage classes.

The company says its SCALE-iFlex gate-driver system enables easy paralleling of dual power modules and provides flexible system scalability with minimum development effort. The MAG is placed adjacent to the modules’ control terminals and the IMC performs all necessary communication between the MAGs and the user’s MCU handling functions, such as PWM commands, short-circuit and under-voltage failure reporting, as well as NTC and DC-Link voltage measurement.

The SCALE-iFlex IMC and MAG gate driver system will be available in August 2019.

“The SCALE-iFlex gate-driver system is optimized for the latest 1,700 V to 3,300 V rated power modules from all of the leading module manufacturers,” said Product Manager Thorsten Schmidt. “The system provides the ultimate in reliability for demanding applications such as wind turbine inverters, industrial drives and the main propulsion and auxiliary inverters for railway applications.”

Source: Power Integrations

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