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Power supply notification method

A technology of power supply capacity and voltage, applied in electrical program control, program control in sequence/logic controllers, etc., can solve the problems of long charging time, inconvenient use, short charging time, etc.

Inactive Publication Date: 2016-12-28
产晶积体电路股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] As the charging current is higher, the required charging time is shorter, and the maximum current of 500mA of USB is quite low for general electronic products, so it takes a long charging time, causing inconvenience in use

Method used

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Embodiment Construction

[0028] The implementation of the present invention will be described in more detail below with reference to the figures and symbol numbers, so that those skilled in the art can implement it after studying this specification.

[0029] refer to figure 1 , is a schematic diagram of the operation flow of the power supply notification method of the present invention. like figure 1 As shown, the power supply notification method of the present invention includes steps S10 to S60, and its main feature is that when the charging device is connected to the charged device, it notifies the charging device of the power supply capability of the charging device to the charged device. In order to further describe the characteristics of the present invention, please cooperate with figure 2 , is a system schematic diagram of the power supply notification method of the present invention.

[0030] while in figure 2 Among them, the charging device 1 and the device to be charged (not shown) are...

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Abstract

The invention relates to a power supply notification method which comprises the following steps: a control unit automatically or a user pushes a button to generate a trigger signal; a power supply notification controller receives the trigger signal and drives positive and negative data pins to be short-circuited; a button of a charging device is pressed once again so as to generate another trigger signal; the power supply notification controller receives the another trigger signal and drives the positive and negative data pins as first voltages; the user presses the button of the charging device to generate a third trigger signal; and the power supply notification controller receives the third trigger signal and respectively drives the positive and negative data pins as a second voltage and a third voltage. The second voltage is greater than the third voltage; and the third voltage is greater than the first voltage. Thus, a charged device can obtain power supply capacity of the charging device through the voltages of the positive and negative data pins, especially heavy-current power supply.

Description

technical field [0001] The present invention relates to a power supply notification method, especially through the voltage of the positive data pin and the negative data pin, so as to notify the charged device that it can draw a larger current than normal. Background technique [0002] With the continuous development of various powerful portable electronic products, portable electronic products generally use built-in power sources to provide the required power, such as the most commonly used primary batteries (such as carbon-zinc batteries) ), or a secondary battery (such as a lithium battery) that can be recharged and cycled for many times, especially in terms of ease of use and environmental awareness, lithium batteries have gradually gained an absolute advantage. [0003] Although the secondary battery can restore the power supply capacity through charging, the problem of power consumption of electronic products is becoming more and more important under frequent use, resu...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G05B19/04
Inventor 陈宜斌李炳德陈顺科
Owner 产晶积体电路股份有限公司
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