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SCALE-iFlex Single 'plug-and-play' gate drivers

Power Integrations has announced SCALE-iFlex Single gate-drivers for the “New Dual” 100 mm x 140 mm IGBT modules.

These compact new drivers can support modules up to 3.3 kV and are available now for design-in. The SCALE-iFlex Single gate-drivers are intended for light-rail, renewable energy generation and other high-reliability applications that demand compact, rugged driver solutions.

These SCALE-iFlex Single gate-drivers fit the outline of the latest standard IGBT power modules including the Mitsubishi LV100/HV100, Infineon xHP2 and xHP3, ABB LinPak, Hitachi nHPD² and other similar products.

These devices use Power Integrations’ SCALE-2 ASIC technology which reduces component count compared to conventional products. The ASIC also provides Advanced Active Clamping (AAC) over-voltage protection during normal operation, a substantial improvement over simple soft shut down, which adds extra protection in case of short-circuit during turn-on.

Devices are conformally coated and feature reinforced isolation. Isolated housings ensure isolation between modules when they are mounted side-by-side. The devices are pre-qualified according to railway standards IEC 61373 – Class 1B (shock & vibration) and IEC 61000-4-x (EMC tests) and IEC 60068-2-x (serial environmental tests). Burn-in is optionally available.

The gate drivers are rated at 20 A peak output current per channel at 85°C ambient temperature with no air flow. Higher power levels are possible with cooling or a lower ambient temperature. Both electrical and fibre-optic interfaces are available.

Author
Neil Tyler

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