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intro
Welcome to the Wolfspeed Second-Generation C2M1000170D Silicon Carbide MOSFET product training module. This device features a 1700 V blocking voltage and 1 Ω On-Resistance, and provides substantial advantages over traditional silicon MOSFETS in auxiliary power supplies within inverter-based designs. Three-phase applications, such as motor drives, uninterruptible power supplies and photovoltaic inverters, have a front end AC/DC or DC/DC converter to boost the DC link voltage up to 600 VDC to 800 VDC. Factoring in a design margin, the maximum DC link voltage is up to 1000 V. To support such systems in practice, an auxiliary power supply is used to generate power for cooling fans, displays, control logic and system protection functions with the DC link voltage as its input. This training module provides the details of how the Wolfspeed Gen2 1700 V SiC MOSFET can reduce system cost while improving the reliability of these critical power supplies. This module includes an example of a full reference design of a single-ended Flyback 60 W Auxiliary Power Supply and presents measured results demonstrating the Wolfspeed Silicon Carbide advantages.
PTM Published on: 2013-10-30