| 摘要 |
A chargeable electronic device charged by an external power supply and comprising a rechargeable battery, a USB connector, and control device is disclosed. The USB connector couples a detection signal and a voltage signal from the external power supply. The control device is coupled between the rechargeable battery and the USB connector and controls a charging current according to the detection signal. When the detection signal is in a first state, the control device controls the charging current as a first current. When the detection signal is in a second state, the control device controls the charging current as a second current greater than the first current.
|
