INTERNATIONAL RECTIFIER - THE POWER MANAGEMENT LEADER

IR Introduces Rugged, Reliable AUIPS7121R and AUIPS7141R Intelligent Power Switches for Harsh 24V Automotive Environments

EL SEGUNDO, Calif. — International Rectifier, IR® (NYSE: IRF), a world leader in power management technology, today introduced the AUIPS7121R and AUIPS7141R 65V high-side intelligent power switches (IPS) with accurate current-sensing and built-in protection circuits for harsh 24V automotive environments such as under-the-hood truck junction boxes.

The AUIPS7121R and AUIPS7141R offer a comprehensive set of protection features to ensure safe reliable switching. Moreover, the new devices’ over-current shutdown, over-temperature shutdown and active clamp circuit assure safe operation and protection under repetitive short circuit conditions.

“Engineers face a major hurdle designing truck junction boxes that meet tough new performance standards under short-circuit conditions. As a result of its protection features, the AUIPS71xx family can operate for extended periods of time, sustaining several millions of cycles under short-circuit conditions to provide a reliable robust solution for harsh 24V automotive environments such as under-the-hood junction boxes,” said David Jacquinod, product marketing manager, IR’s Automotive Business Unit.

In addition to a host of protection features, the AUIPS71xx family provides an accurate current feedback of +/- 5% over the entire operating temperature range while turn-on and off-time are optimized to minimize noise in EMI sensitive automotive applications.

The devices are qualified according to AEC-Q100 standards, feature an environmentally friendly, lead-free and RoHS compliant bill of materials, and are part of IR’s automotive quality initiative targeting zero defects.

Specifications

Part Number Package Rdson (max. at 25°C) Over-current shutdown (min.) TJ Clamping Voltage Current sense ratio OC/OT Protection type
AUIPS7121R DPAK 30mohm 50A 165°C 65V 7050:1 shutdown
AUIPS7141R DPAK 100mohm 20A 165°C 65V 2000:1 shutdown

Datasheets and qualification standards are available using the Part Number links above.

Availability and Pricing

Available in a DPAK package, pricing for the AUIPS7121R and AUIPS7141R begins at US $1.40 each and US $0.90 each respectively in 100,000-unit quantities. Production orders are available immediately. Prices are subject to change.

 
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