| 摘要 |
PROBLEM TO BE SOLVED: To provide a power transmission apparatus including overload protection and power-saving mechanism.SOLUTION: A power transmission apparatus includes a switch module 160 and a control module. The switch module includes a first switch circuit 162, a second switch circuit 164 and a protection circuit 166. The first switch circuit is coupled between a power input module and a power supply port. The second switch circuit is coupled to the power input module. The protection circuit is coupled between the second switch circuit and the power supply port and detects load power of the power supply port when the second switch circuit is turned-on. When the load power is greater than a predetermined overload threshold, the protection circuit enables the first switch circuit. After the control module determines that the first switch circuit is enabled, the control module controls the first switch circuit to keep an enabled state and disables the second switch circuit and the protection circuit. |
