Charging setting method and portable electronic device thereof
A technology of an electronic device and a setting method, which is applied to battery circuit devices, circuit devices, charging/discharging of secondary batteries, etc., can solve problems such as inconvenience in use and inability to effectively provide charging efficiency.
Active Publication Date: 2012-12-26
WISTRON CORP
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Problems solved by technology
However, in actual use, if only the original factory-made AC-to-DC transformer or computer device can be used to provide charging power, it will cause inconvenience in use, especially now that electronic products are very diversified, and AC-to-DC transformers with the same specifications It may be produced by many different manufacturers, but because the corresponding specific pins are not set to a specific logic level, when used in portable electronic devices, the charging current will still be limited to a lower current value, such as 500 mA, and cannot effectively provide the best charging efficiency
Method used
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[0028] Please refer to figure 1 , figure 1 It is a schematic diagram of a portable electronic device 10 according to an embodiment of the present invention. The portable electronic device 10 includes a data transmission unit 102 , a micro-processing unit 104 , a power management device 106 and a current switching setting unit 108 . Wherein, the power supply device 112 can be connected with the portable electronic device 10 through the corresponding data transmission unit 110 , and provide the charging power P to the portable electronic device 10 through the corresponding data transmission unit 110 to perform the charging procedure. like figure 1 As shown, the microprocessing unit 104 is coupled to the data transmission unit 102, and when the corresponding data transmission unit 110 is coupled to the data transmission unit 102, it is judged whether the data transmission unit 102 is executing the data transmission of the data transmission protocol to generate the first switchi...
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The invention relates to a charging setting method and a portable electronic device thereof. The charging setting method is used in a portable electronic device. The portable electronic device comprises a data transmission unit. The charging setting method comprises the steps of judging whether a data transmission unit executes the data transmission of a data transmission protocol to generate a first switching control signal; generating a second switching control signal according to the voltage reference level of an identifying pin of the data transmission unit, when a corresponding data transmission unit is coupled to the data transmission unit; generating a current setting signal according to the first switching control signal and the second switching control signal; and adjusting the charging current of the portable electronic device according to the current setting signal.
Description
technical field [0001] The invention relates to a charging setting method and a portable electronic device thereof, in particular to a charging setting method capable of setting charging current according to different power supply devices and the portable electronic device thereof. Background technique [0002] With the progress of science and technology, portable electronic devices with characteristics of small size, light weight, and easy to carry allow users to carry them with them and enjoy the convenience of technology anytime and anywhere. In order to improve the portability, most portable electronic devices are equipped with rechargeable batteries to store and supply power required for operation, and once the power is exhausted, it needs to be recharged. [0003] On the other hand, many data transmission interfaces, such as the Universal Serial Bus (USB) transmission interface, have both data exchange and charging functions. Therefore, many portable electronic devices...
Claims
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IPC IPC(8): H01M10/44H02J7/00
CPCY02E60/12Y02E60/10
Inventor 庄胜闵傅传诚
Owner WISTRON CORP