International Rectifier AUIR3240S battery power switch
The motor vehicle-qualified AUIR3240S battery power switch for the combustion-engine shut-off and restart function (stop-start system) is claimed to help reduce fuel consumption by up to 15%.
The integrated boost converter is part of a system that requires a ‘board net stabiliser’ using a power switch that disconnects the starter and main battery from the auxiliary electrical systems during engine start.
The device can drive several MOSFETs in parallel to achieve low on-state resistance (RDS(on)) with current consumption below 50 µA.
The converter provides 15 V on the output with a wide input voltage (4-36) and features diagnostics on the output current and a thermal sensor interface for robust designs.
Phone: 02 9585 5511
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