Charging apparatus of portable devices
First Claim
1. A charging apparatus of portable devices, applied in charging a battery module of the portable devices, the charging apparatus comprising a sensing circuit and a control unit, the sensing circuit detecting the voltage of a power adapter when the power adapter is plug to the portable devices and then producing a sensing signal, and the control unit producing a control signal according to the sensing signal and the remaining capacity of the battery module, wherein the improvement comprising:
- a linear charging circuit, receiving an output power of the sensing circuit and charging the battery module according the control signal.
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Abstract
The present invention relates to a charging apparatus of portable device, which charges a battery module of the portable devices. The charging apparatus includes a sensing circuit, a control unit, and a linear charging circuit. The sensing circuit detects the voltage of a power adapter when the power adapter is plug to the portable devices, and then produces a sensing signal and transmits it to the control unit. The control unit produces a control signal according to the sensing signal and the remaining capacity of the battery module. The present invention features that the linear charging circuit receives an output power of the sensing circuit and charges the battery module according the control signal.
19 Citations
9 Claims
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1. A charging apparatus of portable devices, applied in charging a battery module of the portable devices, the charging apparatus comprising a sensing circuit and a control unit, the sensing circuit detecting the voltage of a power adapter when the power adapter is plug to the portable devices and then producing a sensing signal, and the control unit producing a control signal according to the sensing signal and the remaining capacity of the battery module, wherein the improvement comprising:
a linear charging circuit, receiving an output power of the sensing circuit and charging the battery module according the control signal. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
Specification