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Driver IC features -Vs immunity for automotive apps

Posted: 05 Apr 2010 ?? ?Print Version ?Bookmark and Share

Keywords:driver IC? automotive? inverter?

AUIRS2301S driver IC

International Rectifier is offering the AUIRS2301S 600V IC tailored for automotive motor drives, micro inverter drives and general purpose three-phase inverter applications.

The AUIRS2301S is a rugged, general purpose driver IC with independent high- and low-side referenced output channels, offering a gate drive supply range from 5V to 20V. The device's output drivers feature a high-pulse current buffer stage designed for minimum driver cross-conduction while the floating channel can be used to drive n-channel power MOSFETs or IGBTs in the high-side configuration operating up to 600V. Additionally, the IC features negative voltage spike (-Vs) immunity to protect the system against catastrophic events during high-current switching and short circuit conditions.

"The AUIRS2301S expands IR's portfolio of 600V ICs designed specifically to address the needs of demanding general purpose drives used in harsh automotive environments such as under-the-hood applications that require a rugged, reliable and flexible solution," said Marzak Li, product marketing manager, IR's automotive products business unit.

The new device, which is 3.3-, 5- and 15V logic compatible with standard CMOS or LSTTL output, also features output current capability of 120mA/250mA, under-voltage lockout and matched propagation delays for both channels, outputs in phase with inputs, and lower di/dt gate driver for better noise immunity.

The AUIRS2301S utilizes IR's high-voltage IC process which incorporates next-generation high-voltage level-shifting and termination technology to deliver superior electrical over-stress protection and higher field reliability.

The IC is qualified according to AEC-Q100 standards, features an environmentally friendly, Pb-free and RoHS compliant bill of materials, and is part of IR's automotive quality initiative targeting zero defects.

Pricing for the AUIRS2301S begins at $0.67 each in 100,000-unit quantities. Production orders are available immediately. Prices are subject to change.

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