The TMD26353 is a proximity sensor module from ams (Austria Micro Systems). It integrates an infrared (IR) LED and a photodiode in a single package. This module is designed for proximity detection, enabling devices to sense the presence of an object without physical contact.

Applications

• Mobile phones: Used for automatic display dimming and disabling touch input when the phone is held to the ear during a call.
• Tablets: Employed for similar functions as in mobile phones, such as display dimming.
• Notebooks: Utilized for detecting user presence and adjusting screen brightness accordingly.
• Wearable devices: Integrated into smartwatches and fitness trackers for gesture recognition and proximity-based interactions.
• Industrial automation: Used for object detection and presence sensing in industrial control systems.

Features

• Integrated IR LED and photodiode: Combines an IR LED and photodiode in a single, compact package.
• Proximity detection: Provides accurate and reliable proximity detection.
• Low power consumption: Designed for low power consumption, making it suitable for battery-powered devices.
• Ambient light rejection: Includes ambient light rejection to minimize the effects of ambient light on proximity detection accuracy.
• Digital I2C interface: Communicates with the host microcontroller via a standard I2C interface.

Benefits

• Improved user experience: Enables automatic display dimming and other proximity-based features, enhancing the user experience.
• Reduced power consumption: Low power consumption extends battery life in portable devices.
• Enhanced system performance: Accurate proximity detection enables reliable object detection and gesture recognition.
• Space-saving design: Compact package allows for integration into small devices.
• Simplified system design: Digital I2C interface simplifies the interface with the host microcontroller.

Additional Details

The TMD26353 typically operates with a supply voltage in the range of 1.8V to 3.3V. The proximity detection range depends on the object's reflectivity and the ambient light conditions. The I2C address is typically configurable. The operating temperature range is typically from -30°C to +70°C. Detailed specifications, such as the exact detection range and power consumption, can be found in the datasheet. The device is RoHS compliant.