IPSs Increase Auto System Reliability

Oct. 1, 2003
Promising high reliability and lower weight in 14V automotive applications, the IR3310, IR3311 and IR3312 high-side intelligent power switches (IPSs) feature high frequency current sensing and built-in protection circuits. Current sensing allows

Promising high reliability and lower weight in 14V automotive applications, the IR3310, IR3311 and IR3312 high-side intelligent power switches (IPSs) feature high frequency current sensing and built-in protection circuits. Current sensing allows monitoring of load current to provide data to a microcontroller for diagnostic applications, including open-load detection for defective bulbs and lamps and early warning in case of overload conditions. The devices also integrate over-temperature and over-current shutdown and reverse polarity protection, simplifying wiring harnesses and eliminating the weight of fuses and circuit breakers. Each device has a VCC of 40V and a shutdown temperature of 165°C. Depending on the device, typical on-resistance ranges from 5.5 milliohms to 18 milliohms and maximum on-resistance ranges from 7.5 milliohms to 22 milliohms. Additional common features include ESD protection and an active clamp circuit. Available in TO-220, D2Pak and TO-262 packages, the IR3310, IR3311 and IR3312 are priced at $2.10, $1.75 and $1.75 each/10,000, respectively. For more information, contact Wayne Yoshida at INTERNATIONAL RECTIFIER, El Segundo, CA. (310) 252-7726.

Company: INTERNATIONAL RECTIFIER

Product URL: Click here for more information

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