Detecting circuit for electric quantity, processing device and method for state detection of mobile telephone in standby
First Claim
1. An electric quantity detecting circuit, comprising:
- a battery, a voltage comparator, a first resistor, a second resistor and a third resistor, whereinan anode of the battery is connected with an Analog-to-Digital Converter (ADC) of an Application Processor (AP) module, and a cathode of the battery is series connected with the first, second and third resistors in series and then grounded; and
the voltage comparator is connected with the cathode of the battery and configured to determine an upper electric quantity limit and a lower electric quantity limit according to the resistance values of the first, second and third resistors and detect whether the battery electric quantity is low according to the upper electric quantity limit and the lower electric quantity limit;
wherein the voltage comparator comprises an input terminal and a comparing unit, whereinthe input terminal is configured to input the upper electric quantity limit between the first and second resistors, and input the lower electric quantity limit between the second and third resistors, the upper electric quantity limit is 1.240×
(R1+R2+R3)/(R2+R3), and the lower electric quantity limit is 1.240×
(R1+R2+R3)/R3, wherein R1, R2 and R3 are resistance values of the first, second and third resistors, respectively; and
the comparing unit is configured to determine that the electric quantity is low when the batter electric quantity is determined to be in the ran se between the upper electric quantity limit and the lower electric quantity limit, and determine that the electric quantity is high when the battery electric quantity is determined to be out of the range between the upper electric quantity limit and the lower electric quantity limit.
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Accused Products
Abstract
The present disclosure provides a processing method for detecting a state of a mobile telephone in standby, the method includes: determining whether a battery electric quantity of the mobile telephone in standby is high or low according to an electric quantity detecting circuit; determining a work state of a Modem module when the battery electric quantity of the mobile telephone is high; and determining a wakeup subsequent flow according to the determined battery electric quantity of the mobile telephone and the determined work state of the Modem module. The present disclosure further provides an electric quantity detecting circuit and a processing device for state detection of a mobile telephone in standby.
25 Citations
10 Claims
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1. An electric quantity detecting circuit, comprising:
- a battery, a voltage comparator, a first resistor, a second resistor and a third resistor, wherein
an anode of the battery is connected with an Analog-to-Digital Converter (ADC) of an Application Processor (AP) module, and a cathode of the battery is series connected with the first, second and third resistors in series and then grounded; and the voltage comparator is connected with the cathode of the battery and configured to determine an upper electric quantity limit and a lower electric quantity limit according to the resistance values of the first, second and third resistors and detect whether the battery electric quantity is low according to the upper electric quantity limit and the lower electric quantity limit; wherein the voltage comparator comprises an input terminal and a comparing unit, wherein the input terminal is configured to input the upper electric quantity limit between the first and second resistors, and input the lower electric quantity limit between the second and third resistors, the upper electric quantity limit is 1.240×
(R1+R2+R3)/(R2+R3), and the lower electric quantity limit is 1.240×
(R1+R2+R3)/R3, wherein R1, R2 and R3 are resistance values of the first, second and third resistors, respectively; andthe comparing unit is configured to determine that the electric quantity is low when the batter electric quantity is determined to be in the ran se between the upper electric quantity limit and the lower electric quantity limit, and determine that the electric quantity is high when the battery electric quantity is determined to be out of the range between the upper electric quantity limit and the lower electric quantity limit. - View Dependent Claims (2, 3, 4)
- a battery, a voltage comparator, a first resistor, a second resistor and a third resistor, wherein
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5. A processing method for state detection of a mobile telephone in standby, comprising the following steps:
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determining whether a battery electric quantity of the mobile telephone in standby is high or low according to an electric quantity detecting circuit; determining a work state of a Modem module when the battery electric quantity of the mobile telephone is high; and determining a wakeup subsequent flow according to the determined battery electric quantity of the mobile telephone and the determined work state of the Modem module; wherein the step of determining whether the battery electric quantity of the mobile telephone is high or low comprises; connecting an anode of the batter with an Analog-to-Digital Converter (ADC) of an Application Processor (AP) module, and series connecting a cathode of the battery with a first resistor, a second resistor and a third resistor and grounding the cathode; and connecting a voltage comparator or with the cathode of the batter and with an Interrupt Interface (INT) of the AP module, determining an upper electric quantity limit and a lower electric quantity limit according to the resistance values of the first second and third resistors and detecting whether the battery electric quantity is low according to the upper electric limit and the lower electric quantity limit; wherein the step of determining the upper electric quantity and the lower electric quantity limit according to the resistance values of the first, second and third resistors and detecting whether the batter electric quantity is low according to the upper electric quantity limit and the lower electric quantity limit comprises; inputting the upper electric quantity limit to the voltage comparator between the first and second resistors, and the lower electric limit to the voltage comparator between the second and third resistors, and wherein the upper electric quantity limit is 1.240×
(R1+R2+R3)/(R2+R3), and the lower electric quantity limit is 1.240×
(R1+R2+R3)/R3, wherein R1, R2 and R3 are resistance values of the first, second and third resistors, respectively; anddetermining that the electric quantity is low when the battery electric quantity is determined to be in the ran se between the upper electric quantity limit and the lower electric quantity limit, and determining that the electric quantity is high when the battery electric quantity is determined to be out of the range between the upper electric quantity limit and the lower electric quantity limit. - View Dependent Claims (6, 7, 8, 9, 10)
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Specification