ams AS3677 Lighting Management Unit. Flexible CMOS power and lighting management unit AS3677

The AS3677 is a highly-integrated CMOS Power and Lighting Management Unit for mobile phones. The AS3677 incorporates one Step Up DC/DC Converter for white backlight LEDs one Analog-to-Digital Converter, six current sinks, LED in-circuit function test, an I2C serial interface, and control logic all onto a single device. It includes a charge pump to control e.g. an RGB together with an internal pattern generator for smooth blinking effects.