* Question
| What is the protection scheme for the charging circuit of portable devices? |
* Answer
| (1) Overvoltage phenomenon. In order to ensure that the charging voltage does not exceed the maximum rated voltage that the system can withstand, portable electronic equipment and mobile equipment suppliers generally provide a dedicated AC adapter with the equipment.A new device will be added to the device for startup, or it can be switched to the battery-enabled “enable” pin when the system is pulled high isolated from the AC adapter. |
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