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Smoke Detector IC Offers Low-Voltage Operation, Programmable Calibration

Mon, 01/24/2011 - 12:38pm
IC for smoke detectorsMicrochip Technology Inc., announced the RE46C190 3-V photo smoke-detector IC with horn driver and boost regulator. Said to be the world’s first smoke-detector IC to offer low-voltage operation with programmable calibration and operating modes, the RE46C190 IC enables the desired operating modes to be selected and calibrated during manufacturing. Its low operating current of 8 uA 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 provides a method to control smoke-detector operation, and enables a single IC to be used to design smoke detectors for different markets and regulatory requirements.

Microchip Technology Inc.
888-624-7435, www.microchip.com
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