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Smoke-Detector IC from Microchip offers low-voltage operation with programmable operating modes and calibration
Key Facts:
• First smoke-detector IC to combine low-voltage operation with programmable operating modes and calibration
• Integrated horn driver and boost regulator
• Reduces cost and component count by eliminating a number of external components
• Simplifies design across multiple markets and regulatory requirements
Microchip has announced the RE46C190 3V photo smoke-detector IC, with horn driver and boost regulator, the world’s first smoke-detector IC to offer low-voltage operation with programmable calibration and operating modes, the RE46C190 IC enables the optimum operating modes to be selected and calibrated during manufacturing. This simplifies smoke-detector design and manufacturing, as well as reducing component count and cost. Additionally, the IC’s low typical operating current of 8 microamperes 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 designers with an easy way to control smoke-detector operation, and enables a single IC to be used to design smoke detectors for different markets and regulatory requirements. Electronic programmability also eliminates the need for a number of external components, which in turn reduces the costs associated with manufacturing and inventory.
The addition of the new low-voltage smoke-detector IC expands Microchip's broad line of PIC® microcontrollers, horn drivers, smoke-detector ICs, and signal-chain and power-management devices which support a range of smoke-detector applications, from simple residential detectors to programmable commercial systems.
The RE46C190 smoke-detector IC is available in a 16-pin SOIC 150 mil package.
For more information, or details on the full range of Microchip products available from Anglia, please email info@anglia.com
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This news article was originally published in February 2011.
