ams-OSRAM AG LED Drivers AS3668-BWLT

The AS3668-BWLT is a 4-channel LED driver designed for portable devices, featuring a highly efficient charge pump that operates across the full Li-Ion battery voltage range. It includes an internal program memory for controlling LED patterns without the need for processor intervention, which can enhance battery life in mobile applications. The device automatically selects the optimal charge pump gain based on LED forward voltage and input voltage, ensuring high efficiency. It supports an automatic power-save mode with a typical current consumption below 10OºA when LED outputs are inactive. The AS3668-BWLT features an I2C-compatible control interface that allows for two slave addresses without a dedicated selection pin. Additionally, it includes digital filter modes for audio-controlled lighting effects, making it suitable for applications such as mobile phones, MP3 players, and game controllers. The product is packaged in a compact 12-pin WL-CSP format measuring 1.255x1.680mm with a 0.4mm pitch.