Powerelectronics 1537 Stmicro2347

Power Switches for Smaller, Smarter Automotive Electronics

March 29, 2013
STMicroelectronics revealed the latest generation of its switch ICs for vehicle electronics such as lights and body modules.

The latest generation of its switch ICs from STMicroelectronics suits vehicle electronics such as lights and body modules. The new devices provide enhanced intelligent features, improve protection and reliability, and are up to 40% smaller than competing alternatives.

ST intelligent high-side switches provide a more reliable and efficient replacement for conventional relays. In the seventh generation of ST's VIPower family, the M0-7 series announced, 75% of family members are available in a 5 x 4mm package, which is 40% smaller than the smallest competing devices. This allows car electronics designers to save pc-board space and aim for smaller module sizes. Moreover, various internal design changes increase precision, enhance diagnostic feedback, and improve reliability. Specifically, performance improvements include greater protection against short circuits, more accurate voltage and temperature feedback, increased current-sense precision, and best-in-class electromagnetic emission (EMI) performance.

Samples of all family members are available now. The first device to enter production will be the dual-channel VND7020AJ-E, in Q2 2013, priced from $1.10 for orders over 1,000 pieces. The full range of package types available across the new family will include PowerSSO-16, PowerSSO-36, Octapak, and SO-8. Features of M0-7 series:

·     Precise load-current, voltage and temperature-monitor feedback

·     Integrated sense multiplexer

·     Power-limitation and over-temperature latch-off

·     Bulb / LED mode (quad channel)

·     Flexible fault-reset management

·     Reverse-polarity protection

·     Full on- and off-state diagnostics capability

·     Ultra-low quiescent current

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