Computer and USB power supply circuit thereof

• Main Authors: ZHANG WEIJIN, SHI MING, LIN JUN, YANG ZAISONG, GE GUANGSI, WANG FEIZHOU
• Format: Patent
• Language: Chinese; English
• Published: 03.05.2017
• Subjects: CALCULATING; COMPUTING; COUNTING; ELECTRIC DIGITAL DATA PROCESSING; PHYSICS

The utility model belongs to the technical field of the computer, a computer and USB power supply circuit thereof is provided. The utility model discloses an adopt the USB power supply circuit including a power module and the 2nd power module in the computer, provide 0.5A's output current by a power module, 1A~2A's output current is provided by the 2nd power module, and when control block detection is in charge mode to the external equipment who inserts the USB interface, it supplies power for external equipment to control the 2nd power module, because of the computer can provide with external equipment's charging current assorted output current, thereby the mesh to the external equipment quick charge has been realized. 本实用新型属于计算机技术领域，提供了种计算机及其USB电源电路。本实用新型通过在计算机中采用包括第电源模块和第二电源模块的USB电源电路，由第电源模块提供0.5A的输出电流，由第二电源模块提供1A～2A的输出电流，且在控制模块检测到接入USB接口的外部设备处于充电模式时，控制第二电源模块为外部设备供电，因计算机可提供与外部设备的充电电流相匹配的输出电流，从而实现了对外部设备快速充电的目的。