Monolithic Power Systems, Inc., a fabless semiconductor company, designs, develops, and markets analog and mixed-signal semiconductors for the communications, computing, consumer, and industrial markets. It offers direct current (DC) to DC converter integrated circuits (IC) that are used to convert and control voltages of various electronic systems, such as portable electronic devices, wireless LAN access points, computers, set top boxes, TVs and monitors, automobiles, and medical equipment. The company also provides lighting control ICs for backlighting that are used in systems, which provide the light source for liquid crystal display (LCD) panels in notebook computers, LCD monitors, car navigational systems, and LCD televisions. In addition, it offers alternating current (AC)/DC offline solutions for lighting illumination applications; AC/DC power conversion solutions for various end products that plug into a wall outlet; ICs for Class-D audio amplifiers; and linear ICs. The company sells its products directly to original equipment manufacturers, original design manufacturers, and electronic manufacturing service providers, as well as through third party distributors and value-added resellers. Monolithic Power Systems, Inc. sells its products primarily in North America, China, Taiwan, Japan, rest of Southeast Asia, Korea, and Europe. The company was founded in 1997 and is headquartered in San Jose, California.