Patent ID: 9270136
Filing Date: 2016-02-23
CPC Classification: H02J

Claim Text:
1. A charging control circuit installed in an electronic device and connected with a chargeable battery of the electronic device for charging the chargeable battery, the charging control circuit comprising: a charging module connected with the chargeable battery, and providing a charging current to the chargeable battery so as to charge the chargeable battery; a switch element connected with the charging module, wherein when the switch element is turned on, a control current is outputted from the switch element to the charging module; a load detecting element connected with the chargeable battery, wherein the load detecting element issues a load range signal according to a voltage drop of the chargeable battery; and an adjusting element connected with the switch element and the load detecting element, wherein the adjusting element issues a control voltage to the switch element according to the load range signal, so that a magnitude of the control current from the switch element is correspondingly adjusted, wherein as the voltage drop increases, the charging current increases.