STMicroelectronics VD6283TX

The VD6283TX (1.83 x 1.0 x 0.55 mm) is the third version of ST's ambient light sensors with advanced light flicker extraction. Light measurement is fast and accurate thanks to an individual ADC and a readout for each color channel. The VD6283TX uses hybrid color filters with precise responses which enhance the accuracy of the correlated color temperature (CCT) and Lux performance. The VD6283TX can be used to assist camera white-balance in less than 30 ms. With a patented architecture and a high-performance photodiode design, the VD6283TX can extract light flickering frequencies to enhance camera experience, and avoid “banding effects” on videos or viewfinder modes. Additionally, the VD6283TX is the only sensor able to extract different light flicker waveforms, including LED square signals that can run flicker operations simultaneously with ALS operations.

Key features

• Advanced hybrid filters with high photocount response
• Parallel sensing of all channels: red, green, blue, IR, clear, and visible
• Operating conditions: 7mLux to 30kLux (green channel)
• Innovative readout architecture to extract AC light flicker signal
• Software driver provided by ST, I²C interface upto 1Mbit/s (fast mode plus)
• 1.8V typical power supply, low-power consumption
• Operating frequency is 1000MHz maximum
• Load capacitance is 150pF typical
• Data valid time is 0.4µs maximum
• Operating temperature range from -30°C to 85°C, 6-ball BGA package

Applications

• True tone color-sensing IC for screen adjustments
• Lux and CCT measurement
• Light frequency extraction for flicker correction assistance
• Predictive maintenance for light aging
• Camera white balance color assistance

Available tools

X-NUCLEO-6283A1:

6-channel ambient light sensor, with flicker extraction expansion board based on VD6283 for STM32 Nucleo

The X-NUCLEO-6283A1 is an expansion board for the STM32 Nucleo development boards. It provides a complete evaluation kit allowing anyone to learn, evaluate and develop their applications using the VD6283, a color sensor with advanced light flicker frequency extraction. The VD6283 (1.83 x 1.0 x 0.55 mm) is the smallest 6-channel, ambient light sensor (ALS) on the market.

DATA Brief