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Automotive power switches offer lower Rds

Posted: 01 Feb 2007 ?? ?Print Version ?Bookmark and Share

Keywords:power switch? MOSFET? power management? IR? switches?

International Rectifier's fully protected, high-side intelligent power switches in the IPS60xx family, for automotive applications, combine improved power density and lower Rds.

"Our new fully protected single-chip devices deliver impressive gains in Rds(on) and consume much less board area for the overall solution," said Anthony Murray, technical marketing manager for automotive components.

The IPS60xxPBF MOSFETs, for transmission and gearbox, solenoid drivers, lighting control and DC motor control for seats, window lifts and wipers, integrates overcurrent, over-temperature, ESD and active clamp protection. An integrated charge pump allows the devices to be driven in high-side topologies without additional components.

The family features reverse battery protection and thus virtually eliminates current flow through the body diode during such a fault event. The switches also provide diagnostic feedback to the system MCU in detecting open load and short-circuit conditions.

The IPS6011 is priced beginning at $1.78 each. It's $1.18 for the IPS6021, 95 cents for the IPS6031 and 65 cents for the IPS6041, all in 10,000 quantities. Pricing is subject to change.

- Vince Biancomano

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