Universal serial bus device and charging and enume

专利名称：Universal serial bus device and charging and

enumeration method

发明人：Hao-Ping Hong,Shang-Ping Chen,Ding-Shiuan Shen

申请号：US13031616申请日：20110222公开号：US09336170B2公开日：20160510

专利附图：

摘要：A universal serial bus device includes: a core circuit having a first pin and asecond pin, and having an input impedance looking into the core circuit from the first pin

and the second pin; and a charging control circuit, coupled to the core circuit, arrangedfor providing a voltage source having a predetermined voltage to one of the first pin andthe second pin and for providing a current source having a predetermined current to theother of the first pin and the second pin; wherein the input impedance of the core circuitis configured to make the predetermined voltage and the predetermined currentsubstantially intact when an external charger charges a battery device of the universalserial bus device.

申请人：Hao-Ping Hong,Shang-Ping Chen,Ding-Shiuan Shen

地址：Hsinchu County TW,Tai-Chung TW,Chiayi County TW

国籍：TW,TW,TW

代理人：Winston Hsu,Scott Margo

更多信息请下载全文后查看