摘要:
A power adapter for a portable computer includes a pulse width modulation unit and an output shaping unit and further includes a first judgment module that judges whether the portable computer is in a first state according to state judging parameters, and compares an output voltage with a first preset voltage and a second preset voltage when judging that the portable computer is in the first state, and acquires a judging result, wherein the first preset voltage is greater than or equal to the second preset voltage. The power adapter can increase efficiency.
摘要:
A power adapter for a portable computer includes a pulse width modulation unit and an output shaping unit and further includes a first judgment module that judges whether the portable computer is in a first state according to state judging parameters, and compares an output voltage with a first preset voltage and a second preset voltage when judging that the portable computer is in the first state, and acquires a judging result, wherein the first preset voltage is greater than or equal to the second preset voltage. The power adapter can increase efficiency.
摘要:
The present invention provides a battery management device and a portable computer, the battery management device is for managing the rechargeable battery provided in a portable computer, the portable computer is provided with a charge circuit for charging a battery, the battery management device comprises: a discharge circuit for discharge the battery; a acquiring module for acquire the mode determining parameter; a first determining module for judging whether the battery storage mode is entered according to the mode determining parameter; a first control module for controlling the charge circuit or the discharge circuit to control the amount of electrical charge of the battery so that the amount of electrical charge of the battery is lower than the second amount of electrical charge threshold in the battery storage mode; the performance of the battery when deposited with the amount of electrical charge lower than the second amount of electrical charge threshold is better than the performance when deposited with the amount of electrical charge higher than the second amount of electrical charge threshold. The present invention alleviates the attenuation of the amount of electrical charge capacity of the rechargeable battery of the portable computer.
摘要:
The present invention provides a battery management device and a portable computer, the battery management device is for managing the rechargeable battery provided in a portable computer, the portable computer is provided with a charge circuit for charging a battery, the battery management device comprises: a discharge circuit for discharge the battery; a acquiring module for acquire the mode determining parameter; a first determining module for judging whether the battery storage mode is entered according to the mode determining parameter; a first control module for controlling the charge circuit or the discharge circuit to control the amount of electrical charge of the battery so that the amount of electrical charge of the battery is lower than the second amount of electrical charge threshold in the battery storage mode; the performance of the battery when deposited with the amount of electrical charge lower than the second amount of electrical charge threshold is better than the performance when deposited with the amount of electrical charge higher than the second amount of electrical charge threshold. The present invention alleviates the attenuation of the amount of electrical charge capacity of the rechargeable battery of the portable computer.
摘要:
Disclosed are charging control methods for a rechargeable battery and portable computers. The charging control method includes acquiring a control parameter for a charge current of the rechargeable battery; modifying, based on the control parameter, the charge current from a first charge current to a second charge current less than the first charge current; and charging the rechargeable battery with the second charge current. Compared with conventional methods of charging the battery always with the maximal charge current, the present disclosure can improve the battery's lifetime.
摘要:
Disclosed are charging control methods for a rechargeable battery and portable computers. The charging control method includes acquiring a control parameter for a charge current of the rechargeable battery; modifying, based on the control parameter, the charge current from a first charge current to a second charge current less than the first charge current; and charging the rechargeable battery with the second charge current. Compared with conventional methods of charging the battery always with the maximal charge current, the present disclosure can improve the battery's lifetime.
摘要:
The present invention provides an electronic device, a power supply control chip and a power supply control method. The electronic device includes: at least one element (10); a rechargeable battery (12); an adapter socket (14); a first processing circuit (16) having a first operation state and a second operation state; a power supply judgment parameter acquisition module (18) configured to acquire a power supply judgment parameter; and a control module (20) configured to control the first processing circuit to operate in the first or second operation state based on the power supply judgment parameter. In the first operation state, the first processing circuit (16) is configured to convert a first electrical signal output from a adapter into a second electrical signal and charge the rechargeable battery (12) with the second electrical signal. In the second operation state, the first processing circuit (16) is configured to convert a third electrical signal output from the rechargeable battery (12) into a fourth electrical signal and supply power to the at least one element (10) with the fourth electrical signal. With the electronic device, the power supply control chip and the power supply control method according to the present invention, utilization of the rechargeable battery (12) can be improved.
摘要:
The present invention provides an electronic device, a power supply control chip and a power supply control method. The electronic device includes: at least one element (10); a rechargeable battery (12); an adapter socket (14); a first processing circuit (16) having a first operation state and a second operation state; a power supply judgment parameter acquisition module (18) configured to acquire a power supply judgment parameter; and a control module (20) configured to control the first processing circuit to operate in the first or second operation state based on the power supply judgment parameter. In the first operation state, the first processing circuit (16) is configured to convert a first electrical signal output from a adapter into a second electrical signal and charge the rechargeable battery (12) with the second electrical signal. In the second operation state, the first processing circuit (16) is configured to convert a third electrical signal output from the rechargeable battery (12) into a fourth electrical signal and supply power to the at least one element (10) with the fourth electrical signal. With the electronic device, the power supply control chip and the power supply control method according to the present invention, utilization of the rechargeable battery (12) can be improved.