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Sensors
Blog Vishay Introduces RGBC-IR Sensors for Monitoring of LED Color Output for IoT and Smart Lighting
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  • Author Author: rscasny
  • Date Created: 21 Apr 2020 9:37 PM Date Created
  • Views 1122 views
  • Likes 3 likes
  • Comments 1 comment
  • rgbc-ir sensors
  • vishay
  • veml3328
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Vishay Introduces RGBC-IR Sensors for Monitoring of LED Color Output for IoT and Smart Lighting

rscasny
rscasny
21 Apr 2020

Vishay has brought out RGBC-IR sensors for applications such as automatic white balancing and color cast correction in digital cameras; automatic LCD backlight adjustment; and active monitoring of LED color output for IoT and smart lighting. The new VEML3328 (top-looking) and VEML3328SL (side-looking) sensors offer improved linearity and higher sensitivity, as well as new features including an infrared (IR) channel.

 

The sensors sense red, green, blue, clear, and IR light by incorporating photodiodes, amplifiers, and analog / digital circuits into a single CMOS chip. With the ability to calculate color temperature and sense ambient light, the devices offer a compact solution for adjusting backlighting in consumer electronics and notebook computers. They can also help to differentiate indoor from outdoor lighting environments to ensure that displays maintain consistent true color and ideal brightness levels based on the current environment lighting conditions.

image

In addition to digital camera and TV applications, they can also be used in industrial and consumer applications where their excellent temperature compensation capability can keep the sensor's output stable under changing temperatures.

The sensors’ built-in ambient light photo-diode offers extremely high sensitivity, allowing the devices to operate in applications with dark lens designs. A programmable analog gain and integration time function, as well as the additional IR channel, allow designers to tailor the sensor to their applications.

 

The sensors’ functions are easily operated via the simple and power-efficient I2C (SMBus compatible) interface protocol. The devices feature a low operating voltage range of 2.6 V to 3.6 V to help prolong battery life in handheld and portable systems.

image

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Top Comments

  • neuromodulator
    neuromodulator over 5 years ago +2
    I was wondering the response curve of the C components so I looked into the datasheet... Here are the response curves of the sensor: And here we can see how they compare to the human vision sensitiviy…
  • neuromodulator
    neuromodulator over 5 years ago

    I was wondering the response curve of the C components so I looked into the datasheet...

     

    Here are the response curves of the sensor:

    image

     

    And here we can see how they compare to the human vision sensitiviy:
    image

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