The HP1010 is a digital multi-mode PFC controller of Totem-pole topology(TPPFC). Embracing the simplicity and higher efficiency,  HP1010 engineered robustness and intelligent control using Hynetek  patented technologies. HP1010 gives special care to the vulnerability of the switching power FETs, directly exposed to all kinds of harsh conditions in such a bridgeless topology. HP1010 is the ultimate choice of a global platform design. It supports both high/low AC lines and HVDC operations. The high performance of HP1010 comes in a small 4 mm x4 mm QFN-24 package with I²C and UART communication interface. Design with HP1010 has never been simpler before. Through an intuitive Graphic User Interface(GUI) developed by Hynetek, any designer can have not only a quick start but a sophisticated modern design with customised register settings.