The QEDS-9868 is a reflective optical sensor manufactured by Broadcom Limited, designed for a wide range of applications requiring accurate object detection and motion sensing. This sensor integrates an infrared LED and a phototransistor in a compact package, enabling precise and reliable sensing capabilities in space-constrained environments. It functions by detecting the amount of light reflected from an object.

Applications:

• Robotics: Used for obstacle detection, edge detection, and line following in robotic systems.
• Printers: Employed for paper detection, printhead positioning, and media sensing in printers.
• Industrial Automation: Integrated into automated machinery for part counting, presence detection, and process control.
• Gaming Peripherals: Utilized in gaming mice and trackballs for accurate motion tracking and user input.
• Consumer Electronics: Incorporated in various consumer devices for proximity sensing, user interface control, and object detection.

Features:

• Reflective Technology: Detects objects by measuring reflected infrared light.
• Compact Package: Small form factor allows for easy integration into space-constrained designs.
• High Sensitivity: Provides reliable detection of objects with varying reflectivity.
• Integrated LED and Phototransistor: Reduces the number of external components required, simplifying the design.
• Wide Operating Temperature Range: Suitable for use in diverse environmental conditions, ensuring stable performance.

Benefits:

• Enhanced Accuracy: Delivers precise object detection and motion sensing capabilities.
• Space-Saving Design: Compact size allows for integration into small devices and systems.
• Increased Reliability: Robust design ensures consistent performance and long-term stability.
• Simplified Integration: Integrated components reduce design complexity and time-to-market.
• Cost-Effective Solution: Provides a high level of performance at a competitive price point.

Technical Specifications:

The QEDS-9868 typically operates with a forward current of 10-20mA for the LED and features a phototransistor with a collector-emitter voltage of up to 30V. The operating temperature range is generally between -25°C to +85°C. For detailed electrical and optical characteristics, refer to the official Broadcom datasheet to ensure optimal performance in your specific application.

In summary, the QEDS-9868 reflective optical sensor is a versatile and reliable solution for a wide range of applications requiring accurate object detection and motion sensing. Its compact design, high sensitivity, and integrated components make it an ideal choice for designers looking to enhance the functionality and performance of their products.