TCS34725 RGB Colour Recognition Sensor

Specifications

Key Features:

• Color Sensing: Measures Red, Green, Blue (RGB), and Clear (C) light.
• Built-in IR Blocking Filter: Ensures accurate color measurement by filtering out infrared light.
• White LED: Provides consistent illumination for accurate measurements.
• Wide Dynamic Range: Capable of detecting low light levels and strong ambient light.
• I2C Interface: Supports easy communication with microcontrollers (7-bit slave address: 0x29).
• Interrupt Functionality: Programmable interrupt thresholds to reduce microcontroller overhead.
• Low Power Consumption: Ideal for battery-powered devices.

Technical Specifications

Optical Characteristics:

• Color Sensitivity:
  • Red, Green, Blue, and Clear light with 16-bit resolution for each channel.
• IR Blocking Filter: Integrated to improve color accuracy.
• Light Intensity Range: 0.01 to 40,000 lux.

Electrical Characteristics:

• Power Supply Voltage (VDD): 2.7V to 3.6V.
• Current Consumption:
  • Active Mode: ~235 µA.
  • Sleep Mode: ~2.5 µA.
• I2C Voltage Levels: 1.8V to 5V tolerant.

Communication Interface:

• Protocol: I2C (Inter-Integrated Circuit).
• Data Rate: Up to 400 kHz (Fast Mode).
• I2C Address: Default 0x29 (modifiable via external circuitry).

LED Characteristics:

• Integrated LED:
  • White light illumination.
  • Current Draw: ~60 mA (when enabled).

Operating Characteristics:

• Operating Temperature: -30°C to +70°C.
• Accuracy:
  • ±10% for RGB measurements.
• Integration Time: Programmable from 2.4 ms to 700 ms for noise reduction.

Physical Dimensions:

• Sensor Package: Chip or breakout board depending on the supplier.
• Typical Breakout Board Dimensions: ~20mm x 20mm.
• Connector Type: Pin header or solder pads.

Applications:

• Display color correction and calibration.
• Color sorting in industrial automation.
• Ambient light sensing for displays.
• Consumer electronics (e.g., mobile phones, tablets).
• Medical diagnostics (e.g., chemical composition detection).
• Robotics and DIY electronics projects.

Pin Configuration:

1. VIN: Power input (3.3V or 5V).
2. GND: Ground.
3. SDA: I2C Data Line.
4. SCL: I2C Clock Line.
5. INT: Interrupt pin (optional).

TCS34725 RGB Colour Recognition Sensor
lahiru Dhananjaya