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Highly Integrated AUIR3240S Boost Converter for Stop-Start Applications 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 started and main battery from the auxiliary electrical systems during engine start. Features • • • • • • • Very low quiescent current on state Boost converter with integrated diode Standard level gate voltage Wide operating voltage 4-36V Temperature monitoring with NTC interface ESD protection Lead-free, Halogen free, RoHS compliant PRESS RELEASE DATA SHEET HI-RES GRAPHIC Automotive HOME PAGE Advantages • The new 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. • 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. March 2012