Battery management IC

Thursday, 17 September, 2009 | Supplied by: Avnet Electronics Marketing


International Rectifier has introduced the AUIRS2003S 200 V IC for low-, mid- and high-voltage motor vehicle applications including a pre-charge switch and stepper drives and DC-DC converters

Qualified to AEC-Q100 standards, the device is a rugged, flexible, high-speed power MOSFET driver with dependent high- and low-side referenced output channels tailored for use in harsh environments and under-the-bonnet applications.

The output drivers have a high pulse current buffer stage designed for minimum driver cross-conduction while the floating channel can be used to drive an N-channel power MOSFET in the high-side configuration operating up to 200 V.

The device also offers low quiescent current that enables a low-cost bootstrap power supply for the high-side circuitry.

The IC has high-side output in phase with the input signal and low-side output out of phase with the input signal. It accepts input logic levels of 3.3, 5 and 15 V with standard CMOS or LSTTL outputs and offers a comprehensive set of protection features including undervoltage lockout, deadtime protection and negative voltage spike immunity to protect against catastrophic events during high-current switching and short-circuit conditions.

Online: www.em.avnetasia.com
Phone: 02 9585 5511
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