Gate drive optocoupler integrate Flyback controller

Gate drive optocoupler integrate Flyback controller

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By eeNews Europe

The ACPL-302J features an integrated flyback controller for DC-DC converters and a full set of fail-safe IGBT diagnostics, protection and fault reporting, providing a complete and cost-effective gate drive solution. With a 2.5A rail-to-rail output, the device is suitable for driving IGBTs and power MOSFETs in industrial power inverters and motor drives.

By integrating the flyback controller, the ACPL-302J allows fewer discrete components and small high-efficiency transformer to be placed next to the device thereby reducing the overall footprint and minimizing electromagnetic interference (EMI) and noise coupling between IGBT channels. The device also features integrated active Miller clamp, IGBT DESAT detection, and Under Voltage Lock-Out (ULVO) with feedback reducing bill of materials (BOM) cost and simplifying gate drive design.

Insulation voltage of VIORM = 1,230 VPEAK ensures reliable fail-safe protection in high voltage applications, with a wide creepage and clearance of 8.3 mm to meet stringent system level safety regulation. The device operates in the wide operating temperature range of -40 to +105 °C

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