International Rectifier, IR ® (NYSE: IRF), a world leader in power management technology, today introduced the automotive-qualified AUIR3240S battery power switch for the combustion-engine shut-off and restart function (Stop-Start system) that can help reduce fuel consumption in automotive vehicles by up to 15 percent. The AUIR3240S is a highly integrated boost converter designed specifically for the Stop-Start system that halts the engine when a vehicle is stopped in traffic. This system requires a “board net stabilizer” using a power switch that disconnects the starter and main battery from the auxiliary electrical systems during engine start. The AUIR3240S is capable of driving several MOSFETs in parallel to achieve very low on-state resistance (Rds(on)) with current consumption below 50µA. The new device provides 15V on the output with a wide input voltage (4-36V). The AUIR3240S also features diagnostic on the output current and a thermal sensor interface for very robust designs. “Designing a boost converter with the requirement of low current consumption is very challenging using discrete components. The AUIR3240S makes the system robust, reliable and cost effective by cutting down the number of components and the PCB space,” said David Jacquinod, Product Marketing Manager, IR’s Automotive Products Business Unit. The AUIR3240S is qualified according to AEC-Q100 standards, features an environmentally friendly, lead-free and RoHS compliant bill of materials, and is part of IR’s automotive quality initiative targeting zero defects. More information is available on the International Rectifier website at http://www.irf.com/whats-new/nr120322.html. Availability and Pricing Pricing for the AUIR3240S begins at US $0.85 each in 100,000-unit quantities. Production orders are available immediately. Prices are subject to changes. About International Rectifier International Rectifier (NYSE:IRF) is a world leader in power management technology. IR’s analog and mixed signal ICs, advanced circuit devices, integrated power systems and components enable high performance computing and reduce energy waste from motors, the world’s single largest consumer of electricity. Leading manufacturers of computers, energy efficient appliances, lighting, automobiles, satellites, aircraft and defense systems rely on IR’s power management benchmarks to power their next generation products. For more information, go to www.irf.com. Patent and Trademark Notice IR ® is a registered trademark of International Rectifier Corporation. All other product names noted herein may be trademarks of their respective holders.
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