Hardware Design Guide to Smartphone Ambient-Light Sensing (.PDF Download)

May 3, 2016

Since the backlight of the LCD panel in a smartphone accounts for around 40% of the device’s total power consumption, one can benefit greatly by adjusting the brightness in response to changes in ambient-light levels. In a relatively dark environment, the brightness of the display can be reduced to save power. This is also easier on the user’s eyes, thus improving the user experience at the same time...

Register or Sign in below to download the full article in .PDF format, including high-resolution graphics and schematics when applicable.

Sponsored

The flyback topology is a versatile, widely used, switched-mode power-supply design with some interesting characteristics that brings performance and BOM advantages to many applications...
Stricter guidelines imposed by version 3 of the IEC standard for harmonic current emissions push designers to embrace power-factor-correction methodologies.
Significant complications arise when trying to get your power supply working from a wall outlet.
Login to download this article as a PDF file