Everything you know about TCS34725 Color Sensors [FAQ]

The TCS34725 is a color light-to-digital converter that outputs RGB digitally and provides clear light sensing values. The IR  spectral component of the incoming light is minimized by an IR  blocking filter, which is incorporated on-chip and confined to the color sensor photodiodes, allowing precise color measurements. The TCS34725 is an ideal color sensor for usage in a variety  of lighting circumstances due to its high sensitivity, wide dynamic range, and IR  blocking filter, 

The TCS34725 color sensor is perfect for controlling RGB  LED backlights, solid-state lighting, health/fitness gadgets, industrial process controllers, and medical diagnostic equipment. Furthermore, the IR  blocking filter allows the color sensors to detect ambient light (ALS). To monitor the lighting environment and enable automatic display brightness for optimal viewing and power savings, ALS is commonly used in display-based products such as smartphones, notebooks, and TVs.

TCS34725 Pinout

TCS34725 Symbol

TCS34725  Footprint

TCS34725  3D Model

ams TCS34725FN technical specifications, attributes, parameters and parts with similar specifications to ams TCS34725FN.

• IR light blocking filter 

• I2C interface

• 3,800,000:1 dynamic range

• 3.3 or 5V operation

• Output: I2C 

• Resolution (Bits): 16

• Features: gain control, interrupt, and sleep mode

• Voltage supply: 2.7 V to 3.6 V

• Current supply: 330 µA @ 3 V

• Temperature operating range: -30°C to +70°C

• Package/case: 6-SMD

• Separate Red/Green/Blue light intensity sensor  s

• Ambient (clear) light intensity sensor 

• Integrated logic controlled white LED light source

• Adjustable gain and integration time

• Interrupt output available based on predefined lighting thresholds

TCS3x71 series, TCS3200 

• Fluid and gas analysis

• Ambient light sensing

• RGB LED backlight control

• Light color temperature measurement

• Consumer and commercial printing

• RGB LED Backlight Control

• Light Color Temperature Measurement 

• Ambient Light Sensing for Display 

• Backlight Control

• Fluid and Gas Analysis

• Product Color Verification and Sorting

• End Products and Market Segments

• TVs, Mobile Handsets, Tablets, Computers, and Monitors

• Consumer and Commercial Printing

• Medical and Health Fitness

• Solid-State Lighting (SSL) and Digital

• Signage

• Industrial Automation

The TCS34725 is a 16-bit I2C color-to-digital converter that transforms red, green, blue, and clear (ambient light) to a digital value. Internal 16-bit integrating ADCs transform raw input into a digital code in the IC. The ADC's integration time is configurable. Internally, the chip is managed by a state machine, and it has an I2C  interface with the address 0x29 for communicating with external microcontrollers. It also features a maskable interrupt feature for informing the microcontroller when color conversion is complete.

TCS34275 Block Diagram

TCS34275 Circuit Diagram

The Adafruit TCS34725  color sensor is utilized in the circuit in this tutorial. It has a 3 × 4 photodiode array and four ADC converters for converting light to photodiode current and converting that to a 16-bit digital result.

The Raspberry Pi Zero W has been configured to function as a headless Pi. Because the project is largely using the Raspberry Pi Zero W to analyze the data gathered without the need for a graphical interface, it operates on the Raspbian Lite version of the OS without the graphical user interface. Instead of a GUI, the result is displayed on an LCD 16x2 digital display.