Power switch reduces EMI in automotive applications

International Rectifier introduces the AUIR3330S Intelligent Power Switch (IPS) with an active di/dt control feature that significantly reduces conducted EMI and switching losses to simplify design and reduce overall system cost in automotive motor drive applications.

The new 40-V high-side device combines a bootstrap regulator, charge pump, and high-side driver into one package to offer a highly integrated power switch. The load can be driven up to 40 kHz at 100% of duty cycle. Additionally, the AUIR3330S features programmable over-current and over-temperature protection required by applications operating in harsh automotive environments such as pumps and fans.

The AUIR3330S also features current sensing feedback, a diagnostic function, very low current consumption in sleep mode, and ESD protection. The device is qualified according to AEC-Q100 standards and features an environmentally friendly, lead-free, and RoHS-compliant bill of materials.

For more information, contact International Rectifier, 233 Kansas St., El Segundo, CA 90245. Phone: (310) 252-7105.