Automotive high-side switches


STMICROELECTRONICS has introduced the latest generation of its intelligent high-side switch integrated circuits (ICs) for automotive electronics such as lights and body modules.

According to ST, the seventh generation of its VIPower family, the M0-7 series, provide enhanced intelligent features, improved protection and reliability and are up to 40 percent smaller than competing alternatives.

Intelligent high-side switches provide a more reliable and efficient replacement for conventional relays. The VIPower range is offered in a common package style for many devices in the range.

This allows tier-one suppliers to build several module variants using the same basic hardware and software so car makers can address differing requirements in international markets and offer various model specifications and options cost-effectively.

Three quarters of the products in the M0-7 series are available in a 5 x 4mm package, which is 40 percent smaller than the smallest competing devices. This allows car electronics designers to save pc-board space and aim for smaller module sizes.

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.

The M0-7 series provide precise load-current, voltage and temperature-monitor feedback, an integrated sense multiplexer, power-limitation and over-temperature latch-off, reverse-polarity protection and ultra-low quiescent current.