California Micro Devices - CMD was acquired by ON Semiconductor in 2009. CMD developed application specific integrated passive (ASIP) devices to protect products in the wireless, computing and consumer electronics end-markets. CMDs expertise in protection solutions for the high brightness LED (HBLED) market, as well as their strengths in LC-based EMI (electromagnetic interference) filtering and low capacitance ESD (electrostatic discharge) protection, was a complement to ON Semiconductor's existing portfolio of protection and lighting solutions.