ams TSL2571 Light-to-Digital Converters provide Ambient Light Sensing (ALS), which approximates human eye response to light intensity under a variety of lighting conditions. These devices are generally used for display management with the purpose of extending battery life and provides an optimum view in diverse lighting conditions. The TSL2571 light-to-digital converters with ALS feature makes it ideal for use in notebook PCs, LCD monitors, flat-panel, televisions, and cell phones.