Intelligent power switch with active di/dt control

  • 21-Jun-2011 08:19 EDT


The AUIR3330S from International Rectifier is an intelligent power switch with a proprietary active di/dt control feature that significantly reduces conducted electromagnetic interference and switching losses. This feature simplifies design and reduces overall system cost in automotive motor drive applications. Combining bootstrap regulator, charge pump, and high-side driver into a single package, the AEC-Q100-qualified 40-v high-side device offers a highly integrated solution, claims the company. The load can be driven up to 40 kHz at 100% of duty cycle. The AUIR3330S also provides programmable over-current and over-temperature protection required by applications operating in harsh automotive environments such as pumps and fans.

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