CN202798456U - Circuit capable of improving battery actual available capacity - Google Patents
Circuit capable of improving battery actual available capacity Download PDFInfo
- Publication number
- CN202798456U CN202798456U CN 201220537211 CN201220537211U CN202798456U CN 202798456 U CN202798456 U CN 202798456U CN 201220537211 CN201220537211 CN 201220537211 CN 201220537211 U CN201220537211 U CN 201220537211U CN 202798456 U CN202798456 U CN 202798456U
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- Prior art keywords
- battery
- baseband chip
- voltage
- circuit module
- module
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
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Abstract
The utility model relates to a circuit capable of improving the battery actual available capacity. The circuit includes a base band chip, a change-over switch module and a boost circuit module. An analog-to-digital conversion port of the base band chip is connected with the anode of a battery. General input/output ports of the base band chip are connected with a change-over switch port of the change-over switch module and an enable port of the boost circuit module. A signal input terminal of the change-over switch module is connected with the anode of the battery, and signal output terminals are connected with a signal input terminal of the boost circuit module and a device power supply voltage terminal. A signal output terminal of the boost circuit module is connected with the device power supply voltage terminal. The circuit capable of improving the battery actual available capacity arranges the boost circuit module in an electronic device, so when the battery output voltage is from 2.75 to 3.4V, the boost circuit module is turned on, and the battery voltage is increased to the normal operating voltage range of an entire machine, and consequently the actual available capacity of the battery is improved; and the actual available capacity of the battery can be greatly increased especially under the lower temperature condition.
Description
Technical field
The utility model relates to a kind of circuit, is specifically related to a kind of circuit that improves the actual use capacity of battery.
Background technology
In the use procedure of mobile phone, electrical type equipment, generally the operating voltage of its baseband chip is more than 3V.In the normal use procedure, the shutdown voltage of this kind equipment generally is arranged on it about 3.4V by software.Yet the discharge cut-off voltage of battery is generally 2.75V, so battery do not play a role some capacity, causes the actual use capacity of battery lower.Especially under cryogenic conditions, because the internal resistance of cell increases, the battery discharge curve changes, and the battery capacity during low pressure can be more, cause the actual use of user battery capacity to greatly reduce.Such as the LG474769 size battery, it discharges with 0.2C, and discharge cut-off voltage 3.4V has the performance of 3% capacity not out at normal temperatures approximately, has an appointment 40% capacity performance not out below low temperature-10 degree.
The utility model content
For overcoming the problem of the deficiencies in the prior art and existence, the utility model provides a kind of circuit, this circuit reaches the purpose that improves the actual use capacity of battery by increasing a booster circuit module, particularly in the situation of low temperature, can greatly promote the actual use capacity of battery.
The utility model is achieved through the following technical solutions: a kind of circuit that improves the actual use capacity of battery, be applied in the electronic equipment, and described circuit comprises baseband chip, diverter switch module and booster circuit module, wherein:
The analog-to-digital conversion port ADC of described baseband chip is connected with the anodal V+ of battery, for detection of cell voltage, the general input/output port GPIO1 of baseband chip is connected with the diverter switch port SW of diverter switch module, the operating state that is used for control diverter switch module, the general input/output port GPIO2 of baseband chip is connected with the enable port EN of booster circuit module, is used for control booster circuit module and is in effective operating state or non-productive work state;
The signal input part IN of described diverter switch module is connected with the anodal V+ of battery, and its signal output part OUT1 is connected with power electronic equipment voltage end VSYS-POWER, and its signal output part OUT2 is connected with the signal input part VIN of booster circuit module;
The signal output part VOUT of described booster circuit module is connected with power devices voltage end VSYS-POWER.
Further, the cell voltage that detects as the analog-to-digital conversion port ADC of described baseband chip is during more than or equal to preset voltage, the input signal end IN of diverter switch module is switched to signal output part OUT1, and the general input/output port GPIO2 of baseband chip makes the booster circuit module be in the non-productive work state; When described baseband chip the cell voltage that detects of analog-to-digital conversion port ADC during greater than battery ending discharge voltage and less than preset voltage, the input signal end IN of diverter switch module is switched to signal output part OUT2, and the general input/output port GPIO2 of baseband chip makes the booster circuit module be in effective effect operating state; When described baseband chip the cell voltage that detects of analog-to-digital conversion port ADC when being less than or equal to battery ending discharge voltage, baseband chip control electronic equipment shuts down.
Preferably, described electronic equipment is mobile phone, and described preset voltage is 3.4V, and described battery ending discharge voltage is 2.75V.
The utility model is by increasing the booster circuit module in electronic equipment, when cell output voltage is between 2.75V-3.4V, start this booster circuit module, cell voltage is boosted to the normal working voltage scope of complete machine, thereby improve the actual use capacity of battery; Particularly in the situation of low temperature, can greatly promote the actual use capacity of battery.
Description of drawings
Fig. 1 is the electrical block diagram of the utility model embodiment.
Embodiment
Understanding for the ease of those skilled in the art is described in further detail the utility model below in conjunction with the drawings and specific embodiments.
As shown in Figure 1, a kind of circuit that improves the actual use capacity of battery, present embodiment describes as an example of the electronic equipment that is applied to mobile phone example, described circuit comprises baseband chip, diverter switch module and booster circuit module are (for simplicity, do not draw battery in the accompanying drawing 1), wherein: the analog-to-digital conversion port ADC of described baseband chip is connected with the anodal V+ of battery, for detection of cell voltage, the general input/output port GPIO1 of baseband chip is connected with the diverter switch port SW of diverter switch module, the operating state that is used for control diverter switch module, the general input/output port GPIO2 of baseband chip is connected with the enable port EN of booster circuit module, is used for control booster circuit module and is in effective operating state or non-productive work state; The signal input part IN of described diverter switch module is connected with the anodal V+ of battery, and its signal output part OUT1 is connected with power electronic equipment voltage end VSYS-POWER, and its signal output part OUT2 is connected with the signal input part VIN of booster circuit module; The signal output part VOUT of described booster circuit module is connected with power devices voltage end VSYS-POWER.
The cell voltage that detects as the analog-to-digital conversion port ADC of baseband chip is during more than or equal to preset voltage, the input signal end IN of diverter switch module is switched to signal output part OUT1, the general input/output port GPIO2 of baseband chip makes the booster circuit module be in the non-productive work state, and the anodal V+ of battery directly powers to mobile phone.
When baseband chip the cell voltage that detects of analog-to-digital conversion port ADC during greater than battery ending discharge voltage and less than preset voltage, the input signal end IN of diverter switch module is switched to signal output part OUT2, the general input/output port GPIO2 of baseband chip makes the booster circuit module be in effective effect operating state, and the booster circuit module is powered to mobile phone after cell voltage is boosted to preset voltage.
When baseband chip the cell voltage that detects of analog-to-digital conversion port ADC when being less than or equal to battery ending discharge voltage, baseband chip control electronic equipment shuts down.
The scope of its whole hardware shutdown voltage of general mobile phone is 3.0V-3.2V, and for the scope of avoiding battery to drop to shutdown voltage causes mobile phone shutdown, the utility model preset voltage is set to 3.4V.Damage battery in order to protect the battery over-discharge can; its ending discharge voltage is set to 2.75V; when baseband chip analog-to-digital conversion port ADC when detecting cell voltage and being down to 2.75V, baseband chip sends coherent signal makes mobile phone enter off-mode, with the protection battery.The concrete numerical value of the preset voltage in the present embodiment and ending discharge voltage etc. is and illustrates use, be not for to restriction of the present utility model, can adjust accordingly according to actual conditions, in addition, the utility model also is applied in the electronic equipments such as notebook computer, MP3, MP4, MP5, its application principle is similar to the above, does not repeat them here.
Above-described embodiment is better implementation of the present utility model, is not to be to restriction of the present utility model, and under the prerequisite that does not break away from inventive concept of the present utility model, any apparent replacement is all within protection range of the present utility model.
Claims (4)
1. a circuit that improves the actual use capacity of battery is applied in the electronic equipment, and described circuit comprises baseband chip, diverter switch module and booster circuit module, it is characterized in that:
The analog-to-digital conversion port ADC of described baseband chip is connected with the anodal V+ of battery, for detection of cell voltage, the general input/output port GPIO1 of baseband chip is connected with the diverter switch port SW of diverter switch module, the operating state that is used for control diverter switch module, the general input/output port GPIO2 of baseband chip is connected with the enable port EN of booster circuit module, is used for control booster circuit module and is in effective operating state or non-productive work state;
The signal input part IN of described diverter switch module is connected with the anodal V+ of battery, and its signal output part OUT1 is connected with power electronic equipment voltage end VSYS-POWER, and its signal output part OUT2 is connected with the signal input part VIN of booster circuit module;
The signal output part VOUT of described booster circuit module is connected with power devices voltage end VSYS-POWER.
2. circuit according to claim 1, it is characterized in that: the cell voltage that detects as the analog-to-digital conversion port ADC of described baseband chip is during more than or equal to preset voltage, the input signal end IN of diverter switch module is switched to signal output part OUT1, and the general input/output port GPIO2 of baseband chip makes the booster circuit module be in the non-productive work state; When described baseband chip the cell voltage that detects of analog-to-digital conversion port ADC during greater than battery ending discharge voltage and less than preset voltage, the input signal end IN of diverter switch module is switched to signal output part OUT2, and the general input/output port GPIO2 of baseband chip makes the booster circuit module be in effective effect operating state; When described baseband chip the cell voltage that detects of analog-to-digital conversion port ADC when being less than or equal to battery ending discharge voltage, baseband chip control electronic equipment shuts down.
3. circuit according to claim 2, it is characterized in that: described preset voltage is 3.4V, described battery ending discharge voltage is 2.75V.
4. each described circuit according to claim 1-3, it is characterized in that: described electronic equipment comprises mobile phone, MP3 or MP4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220537211 CN202798456U (en) | 2012-10-19 | 2012-10-19 | Circuit capable of improving battery actual available capacity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220537211 CN202798456U (en) | 2012-10-19 | 2012-10-19 | Circuit capable of improving battery actual available capacity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202798456U true CN202798456U (en) | 2013-03-13 |
Family
ID=47825627
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220537211 Expired - Lifetime CN202798456U (en) | 2012-10-19 | 2012-10-19 | Circuit capable of improving battery actual available capacity |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202798456U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103345167A (en) * | 2013-06-14 | 2013-10-09 | 东莞宇龙通信科技有限公司 | Method and device for closing down intelligent control electronic equipment |
| CN104167778A (en) * | 2014-07-24 | 2014-11-26 | 深圳天珑无线科技有限公司 | Power supply circuit |
| CN110336348A (en) * | 2019-04-24 | 2019-10-15 | 华为技术有限公司 | A kind of terminal, switching capacity booster circuit and method of supplying power to |
-
2012
- 2012-10-19 CN CN 201220537211 patent/CN202798456U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103345167A (en) * | 2013-06-14 | 2013-10-09 | 东莞宇龙通信科技有限公司 | Method and device for closing down intelligent control electronic equipment |
| CN103345167B (en) * | 2013-06-14 | 2016-08-10 | 东莞宇龙通信科技有限公司 | The method and device of Based Intelligent Control electronic equipment shutdown |
| CN104167778A (en) * | 2014-07-24 | 2014-11-26 | 深圳天珑无线科技有限公司 | Power supply circuit |
| CN110336348A (en) * | 2019-04-24 | 2019-10-15 | 华为技术有限公司 | A kind of terminal, switching capacity booster circuit and method of supplying power to |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Changan town in Guangdong province Dongguan 523860 usha Beach Road No. 18 Patentee after: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS Corp.,Ltd. Address before: Changan town in Guangdong province Dongguan 523860 usha Beach Road No. 18 Patentee before: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS Corp.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130313 |