SEI

 北京思旺电子技术有限公司成立于2000年，专业从事电源管理IC设计。公司产品设计采用美国最前沿技术，所有IC均为正向设计，并拥有自主知识产权，产品全部获得了国家知识产权局颁发的“集成电路布图设计登记”证书。

Seaward Electronics, an IC design company specialized in analog and mix-signal circuits,With a team of talented circuit designers, Seaward has successfully developed a wide range of power management chips to fulfill its customers’ application needs in various electronics products such as desktop or laptop computers, USB devices, mobile phones, digital cameras, battery chargers, DVD players, motherboards, switched-mode power supplies, etc.