Melexis Microelectronic Integrated Systems designs, develops, tests, and markets advanced integrated semiconductor devices for the automotive industry. The company sells its products to a wide customer base of automotive OEMs throughout the world.

Melexis' main products are automotive microcontrollers, Hall (magnetic) sensor ICs, interface ICs for pressure and acceleration sensors, integrated silicon pressure sensor chips, ASICs, and contactless identification ICs (known as tags), in each case principally for automotive applications.