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IGBTs claim to boost efficiency of UPS, PV apps

Posted: 17 Nov 2015     Print Version  Bookmark and Share

Keywords:Infineon Technologies  IGBT  PV  UPS  solar cell 

Infineon Technologies AG has announced the S5 family geared for AC-DC energy conversion in industrial applications switching up to 40kHz, normally found in photovoltaic inverters (PV) or uninterruptible power supplies (UPS). Based on the ultra-thin wafer TRENCHSTOP 5 IGBT, the devices promise to enhance IGBT performance in various designs.

The S5 device addresses manufacturers' requirements for system efficiency levels up to and beyond 98 per cent for highest yields of energy from solar cell installations and reduced system costs. It delivers increased levels of robustness and quality to aid end customers in achieving up to 20 years of operational lifetime. Overall, the IGBT provides customers with improved efficiency, price competitiveness and robustness, noted the company.

S5 family

The discrete IGBT boasts improved switching behaviour to reduce circuit complexity and ultimately overall system costs by eliminating the need of capacitors and Zener diodes. They are typically needed to gain the highest efficiency and robustness, but can be eliminated when using the TRENCHSTOP 5 S5. In addition, increased robustness and quality levels are further enhanced with a 25 per cent increase in surge current handling capability, which gives customers increased confidence in the robustness of their designs. The device has a low typical saturation voltage V CE(sat) of 1.60V at 175°C. Thus, high efficiency can be maintained even during high temperature operations, Infineon indicated.

The first wave of 30A, 40A, 50A and 75A current classes are available in the TO-247 three-pin package and are co-packed with the Rapid1 free-wheeling diode.

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