The CMS1668 is a LED Driver SOP-24 IC designed and manufactured by CMsemicon, complies with the RoHS product standard. It is designed to drive LED arrays and provides efficient, accurate and easy-to-use features for controlling the brightness and color of LED systems. The CMS1668 interface has three external pins for each RGB channel, two for voltage control and one for pulse width modulation (PWM). In addition to providing voltage control, it also supports mixed color LED control, dimming and built-in protections such as thermal shutdown and short circuit protection. The CMS1668 has high efficiency and a built-in current source which can support up to a 1A current rating.