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Distance measuring sensor chip 4530a used in home intelligent lighting
2022-07-05 12:42:00 【nanfeng775a】
Intelligent lighting is an important part of smart home , From Apple iPhone,iPad, And Android With the increasing popularity of mobile phones and tablets , Intelligent lighting is getting closer and closer to the homes of ordinary consumers , From smart light bulbs , The products of intelligent lamp holder and intelligent control box have been exposed , among Philips Hue The emergence of light bulbs , For the first time, it has opened the magic veil of intelligent lighting scene change of ordinary families , Uncover the low consumption , Environmental protection , Dimming , A new chapter of color matching intelligent home lighting .
Compared with traditional lighting , Intelligent lighting can achieve safety 、 Energy saving 、 comfortable 、 Efficient purpose , Therefore, intelligent lighting in the field of home 、 Office space 、 Both business and public facilities have good development prospects . China's intelligent lighting market is not mature , The application fields of intelligent lighting are also mainly concentrated in business and public facilities , The hotel 、 Exhibition venues 、 Municipal Engineering 、 Intelligent lighting is widely used in the field of road transportation ; Besides , Office buildings and high-end villa projects also use intelligent lighting . With the development of domestic intelligent lighting R & D and production technology and the increase of product promotion , Intelligent lighting applications in the home field are expected to be popularized .
The ambient light sensor is mainly composed of photosensitive elements . Photosensitive elements are developing rapidly 、 There is a wide variety of 、 Widely applied . The ambient light sensor can sense the surrounding light , And inform the processing chip to automatically adjust the backlight brightness of the display , Reduce the power consumption of the product . for example , On the cell phone 、 The notebook 、 In mobile applications such as tablets , The monitor consumes up to... Of the total battery power 30%, The use of ambient light sensor can maximize the working time of the battery .
Optical distance sense Proximity sensor chip - WH APS 4530A It's an optical to digital converter , It combines advanced ambient light sensors , Advanced proximity sensors and high efficiency infrared sensors LED The lamp . Ambient light sensor (ALS) Built in a filter to suppress infrared , It also provides a spectrum close to the response of human eyes .ALS Can work in the dark to direct sunlight , The optional detection range is about 40dB. Dual channel output ( Human eyes and clarity ), send ALS It has good light ratio under different lighting conditions . Proximity sensor (PS) There's a built-in 940nm A new filter , For ambient light immunity , therefore PS Can detect reflected infrared light , It has high precision and excellent immunity .WH4530A Programmable interrupt function , Yes ALS and PS With threshold based hysteresis .
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