ACPL-332J-500E Isolators

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1. Description

The ACPL-332J-500E is an advanced 2.5 A output current, easyto-use, intelligent gate driver which makes IGBT VCE fault protection compact, affordable, and easy-to implement. Features such as integrated VCE detection, under voltage lockout (UVLO), “soft” IGBT turn-off, isolated open collector fault feedback and active Miller clamping provide maximum design flexibility and circuit protection. The ACPL-332J-500E contains a AlGaAs LED. The LED is optically coupled to an integrated circuit with a power output stage. ACPL-332J-500E is ideally suited for driving power IGBTs and MOSFETs used in motor control inverter applications. The voltage and current supplied by these optocouplers make them ideally suited for directly driving IGBTs with ratings up to 1200 V and 150 A. For IGBTs with higher ratings, the ACPL-332J-500E can be used to drive a discrete power stage which drives the IGBT gate. The ACPL-332J-500E has an insulation voltage of VIORM = 1414 VPEAK.

2. Features

    1. Under Voltage Lock-Out Protection (UVLO) with Hysteresis

    2. Desaturation Detection

    3. Miller Clamping

    4. Open Collector Isolated fault feedback

    5. “Soft” IGBT Turn-off

    6. Fault Reset by next LED turn-on (low to high) after fault mute period

    7. Available in SO-16 package

3. Applications

    1. Isolated IGBT/Power MOSFET gate drive

    2. AC and brushless DC motor drives

    3. Industrial inverters and Uninterruptible Power Supply (UPS)