CP2142 Overview
The CP2142, a 4-channel low-dropout constant-current parallel LED driver, can be used to drive white LED, red LED, blue LED or any color LED whose forward operating voltage is lower than the battery voltage. The unique Auto-MirrorTM technology is introduced in CP2142, which can guarantee a constant LED current in various operating conditions. The CP2142 uses the 1-wire pulse counting technique to adjust the...