Microchip Technology's RE46C191-V/SL Smoke Detector IC

The RE46C191-V/SL from Microchip Technology is a sophisticated and reliable ionization type smoke detector integrated circuit (IC) designed to provide a robust solution for smoke detection in safety-critical applications. This low-power CMOS device is an essential component for residential and commercial smoke detectors, offering a high level of integration to simplify design and enhance performance.

Key Features

• Low Operating Voltage: The IC operates at a low voltage, making it suitable for battery-powered applications, ensuring long-term reliability and cost-effectiveness in terms of power consumption.
• Interconnect Capability: It allows for multiple interconnected units, providing an extensive detection network that enhances safety by triggering all connected alarms in the event of a detected hazard.
• Built-in Timer: The IC includes a built-in timer function for controlling the sensitivity periods during the initial power-up stage, which helps to minimize false alarms and ensure stable operation.
• Alarm Memory: Featuring an alarm memory, the RE46C191-V/SL provides a record of an alarm condition, which is critical for post-event analysis and diagnostics.
• Test Mode: A test mode function is integrated to facilitate the regular testing of the smoke detector's functionality, ensuring consistent performance and reliability.

Applications and Usage

The RE46C191-V/SL is ideal for a wide range of smoke detection applications. It is commonly used in residential smoke alarms, commercial fire detection systems, and portable smoke detectors. Its robust design and comprehensive feature set make it an excellent choice for manufacturers looking to develop or upgrade their smoke detection solutions.

Technical Specifications

Equipped with an oscillator and voltage regulator, the RE46C191-V/SL is designed for use with an infrared emitter/detector pair. The IC's horn driver and low-battery detection further contribute to a comprehensive smoke detection system. The package type is SOIC, with a surface-mount configuration for easy integration into modern electronic designs.

For designers and engineers seeking a dependable and integrated smoke detection solution, the RE46C191-V/SL from Microchip Technology offers a blend of performance, reliability, and innovation.