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Low-voltage smoke-detector IC allows 10-year battery life

Posted: 13 Jan 2011 ?? ?Print Version ?Bookmark and Share

Keywords:smoke detector IC? horn driver? boost regulator?

Microchip Technology Inc., provider of microcontroller, analog and Flash-IP solutions, has announced the RE46C190 3V photo smoke-detector IC with horn driver and boost regulator.

This smoke-detector IC offers low-voltage operation with programmable calibration and operating modes, the device allows the desired operating modes to be chosen and calibrated during manufacturing, simplifying smoke-detector design and manufacturing, as well as reducing component count and cost. Moreover, the IC's low operating current of 8?A typical enables up to 10 years of operation from a single Lithium battery. Two Alkaline batteries may also be used to power the RE46C190.

Programmable calibration and selection of smoke-detector operating modes offer designers with an easy way to handle smoke-detector operation, and permit a single IC to be used to design smoke detectors for different markets and regulatory requirements.

Availability: The RE46C190 smoke-detector IC is now available in a 16-pin SOIC 150 mil package for US$0.94 each, in 10,000-unit quantities.

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