The RPI-576 is a compact reflective photosensor manufactured by Rohm Semiconductor. This device integrates an infrared LED and a phototransistor into a single package, making it suitable for object detection and proximity sensing applications. Its small size and integrated design simplify circuit design and reduce board space requirements.

Applications

• Object detection in automated systems
• Proximity sensing in consumer electronics
• Position sensing in industrial equipment
• Edge detection in printers and copiers
• Robotics applications requiring obstacle avoidance

Features

• Compact and lightweight design
• Integrated infrared LED and phototransistor
• High sensitivity to infrared light
• Fast response time
• Low current consumption
• Operating Wavelength: 940nm
• Collector-Emitter Voltage: 30V
• Collector Current: 30mA

Benefits

• Simplified circuit design due to integrated components
• Reduced board space requirements
• Reliable object detection in various environments
• Precise proximity sensing capabilities
• Energy-efficient operation

Additional Details

The RPI-576 operates by emitting infrared light from the integrated LED. When an object is present within the sensor's range, the light is reflected back to the phototransistor, which then conducts current. The amount of current conducted is proportional to the amount of reflected light, allowing for accurate object detection and proximity sensing. The device is designed for surface mounting and is commonly used in applications where space is a constraint.

The RPI-576's spectral sensitivity is optimized for infrared light, minimizing interference from ambient light sources. Its fast response time allows for real-time object detection and proximity sensing. Its robust design ensures reliable operation in a wide range of environmental conditions. The device is RoHS compliant, ensuring it meets environmental standards.