Issue: May 2010


IR’s Automotive-Qualified AUIRS2117S and AUIRS2118S Deliver Reliable Compact Solution



by Steve Barclay

International Rectifier, IR, a world leader in power management technology, today introduced the AUIRS2117S and AUIRS2118S 600V ICs for automotive gate drive applications including direct injection, and brushless DC motor drives.

The AUIRS2117S and AUIRS2118S high-side drivers feature very short turn-on and turn-off propagation time to drive the MOSFET or IGBT at a much higher frequency to shrink system size by enabling the use of smaller filtering components.

“The AUIRS2117S and AUIRS2118S expand IR’s portfolio of ICs designed and qualified specifically for the automotive market. Both devices offer a reliable compact design solution essential for harsh environments and automotive under-the-hood applications,” said Marzak Li, product marketing manager, IR’s Automotive Products Business Unit.

The AUIRS2117S features output signals in phase with the input signal and CMOS Schmitt-triggered inputs with pull-down. The AUIRS2118S features output signals out of phase with the input signal and CMOS Schmitt-triggered inputs with pull-up. Both devices provide under-voltage lockout and offer a gate drive supply range from 10V to 20V.

The new ICs feature proprietary high-voltage integrated circuit (HVIC) and latch immune CMOS technologies to offer ruggedized monolithic construction and benchmark negative voltage spike immunity for reliable operation even under extreme switching conditions and short circuit events. The floating channel can be used to drive an N-channel power MOSFET or IGBT in the high-side configuration, operating up to 600V.

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.

For more information go to the International Rectifier website at http://www.irf.com/whats-new/nr100504.html.

Availability and Pricing

Pricing for the AUIRS2117S and AUIRS2118S begins at US $0.59 each in 100,000-unit quantities. Production orders are available immediately. The automotive-qualified device is lead-free and RoHS compliant. Prices are subject to change.

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.


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