The IR2166PBF is a driver IC manufactured by Infineon. This device is used as a PFC controller, ballast controller, and gate driver. It is capable of providing 1.8W of power. The IR2166PBF features multiple phase operation, valley/current mode control, double pulse detection, and programmable frequency and current sense amplifier. It offers built-in circuit protection features such as soft-start, UV/OV protection, and shoot-through protection. Additionally, it includes features such as temperature shutdown, splitter led disable and over voltage protection. This device is housed in a standard SOT223 package.