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25A, 50A, 70A IGBTs for high power industrial apps

Posted: 05 Apr 2013 ?? ?Print Version ?Bookmark and Share

Keywords:IGBT? Schottky diode? arc welder? solar inverter?

Microsemi Corp. has released more than a dozen devices in its latest generation of 1.2kV non-punch through (NPT) IGBTs that include 25A, 50A and 70A current ratings. According to the company, the devices are intended for industrial applications requiring high power and high performance such as arc welders, solar inverters and uninterruptible and switch mode power supplies.

All of the devices in the product family are based on Microsemi's advanced Power MOS 8 technology, which enables a significant reduction of at least 20 per cent in total switching and conduction losses as compared to competitive solutions. Consistent with all devices in the product family, the NPT IGBT solutions can be packaged with the firm's FREDs or silicon carbide Schottky diodes to provide engineers with a highly integrated solution that allows them to streamline product development efforts.

The products claim to significantly lower gate charge than similar devices, allowing faster switching, and boasts hard switching operation greater than 80kHz to enable efficient power conversion. It is also easy to parallel (positive temperature coefficient of Vcesat) to improve reliability in high power applications, and is Short Circuit Withstand Time Rated (SCWT), providing reliable operation in applications requiring short circuit capability, detailed Microsemi.

The company offers NPT IGBTs in a large surface mount backside solderable D3 package, allowing designers to achieve increased power density and lower manufacturing costs. The IGBT products are available in D3, TO-247, T-MAX, TO-264 and SOT-227 packages.

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