The LB11685AV is a 12 V system, 3-phase, sensor-less fan motor driver. Maximum V_CC is 19 V, providing a good safety margin in 12 V systems. It is controlled by pulse amplitude modulation and has many safety features like current limiting and thermal shutdown. For the latest list of fan motor drivers, be sure to check the web at www.onsemi.com. Design resources such as the availability of demo boards, packaging, and application notes can also be found there to aid in a design.