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Design of A CMOS Intelligent Light Sensing Chip for Automatic Brightness Tuning Applications

机译:用于自动亮度调节的CMOS智能光敏芯片设计

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摘要

In this paper, a CMOS intelligent light sensing chip for automatic brightness tuning applications is newly proposed. The proposed chip is attractive due to the fact that analog processing circuits and light sensors are integrated. This paper proposes a single chip solution to achieve automatic brightness tuning. By following user's requirements, the proposed chip can collocate with various DC-DC converters and fit to different artificial light sources. Besides, the current-controlling pulse-width -modulation circuit is proposed to have a widely adjustable duty cycle. The range is from 10% to 95%. This implies that the tuning range of brightness can be larger. All the functions and performance of the proposed CMOS intelligent light sensing chip for automatic brightness tuning applications are successfully tested and proven through measurements. The proposed chip is suitable for light controlling devices, such as devices used on the office.
机译:本文提出了一种用于自动亮度调节应用的CMOS智能光感测芯片。由于集成了模拟处理电路和光传感器,因此该芯片具有吸引力。本文提出了一种单芯片解决方案来实现自动亮度调节。根据用户的要求,所提出的芯片可以与各种DC-DC转换器搭配使用,并适合不同的人造光源。此外,提出了一种电流控制的脉宽调制电路,其具有宽范围的占空比。范围是10%到95%。这意味着亮度的调整范围可能更大。所建议的用于自动亮度调节应用的CMOS智能光感测芯片的所有功能和性能均已通过测试成功测试和证明。所提出的芯片适用于光控制设备,例如办公室中使用的设备。

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