AS3681 - austriamicrosystems

AS3681 Power and Lighting Management Unit

The AS3681 is a highly-integrated, ultra-flexible CMOS Power- and Lighting Management Unit to supply power to LCD- and camera-modules in mobile telephones, and other 1-cell Li+ or 3-cell NIMH powered devices. The AS3681 incorporates one low-power, low-dropout regulator (LDO), one Step Up DC/DC Converter for white backlight LEDs, one high-power Charge Pump fo.

Features

extremely high analog performance regarding: ! ! ! Product Brief Supports up to 11 Current Sinks - Three Programmable (4-bit) from: 10 to 150mA resp. 300mA - Two Programmable (4-bit) from: 2.5 to 37.5 mA - Three Programmable (4-bit) from: 2.5 to 37.5 mA for RGB LEDs - Three Programmable (4-bit) from: 2.5 to 37.5mA for General Purpose Applications - Programmable Hardware Control (Strobe, PWM) - Selectively Enable/Disable Current Sinks 10-bit Successive Approximation ADC - 11µs Conversion Time - Two Selectable Inputs: GPIO0 and GPIO1 Four General Purpose Inputs/Outputs - Digital Input, Digital.