CN208479236U - A kind of Double-battery powered circuit - Google Patents
A kind of Double-battery powered circuit Download PDFInfo
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- CN208479236U CN208479236U CN201821171323.7U CN201821171323U CN208479236U CN 208479236 U CN208479236 U CN 208479236U CN 201821171323 U CN201821171323 U CN 201821171323U CN 208479236 U CN208479236 U CN 208479236U
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- analog switch
- secondary cell
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Abstract
The utility model relates to a kind of Double-battery powered circuits, including charging chip；It is characterized in that, charging chip is connected with analog switch chip, analog switch chip is connected with main battery and secondary cell；Analog switch chip and the processor of equipment connect, and the chip of main battery and the chip of secondary cell are connect with processor, and charging chip is also connect with the charging interface of equipment；Situations such as temperature, electricity of the processor real-time monitoring main battery of equipment and secondary cell, analog switch chip is also processor controlled, the electricity of main battery is charged to 90 percent by default priority, then 90 percent is charged to the electricity of secondary cell, then it is charged to absolutely to the electricity of two batteries respectively again, processor can control the job order of main battery and secondary cell；The when default priority of power supply is powered using main battery, and secondary cell power supply is switched to when the not enough power supply of main battery；Realize that work efficiency is high, the wide model of applicability, structure is simple, at low cost.
Description
Technical field
The utility model relates to power supply technology fields, more specifically to a kind of Double-battery powered circuit.
Background technique
The universal and various functions abundant of smart phone allow the experience of users to be greatly improved, but product
The problem of power consumption is consequently increased, and the capacity of battery is always a kind of puzzlement user, severe user even need one day two to rush, though
Say various fast charge technologies, but this only alleviates always, the most fundamental method still needs to increase the capacity of battery,
Current stage technology, double cell are an effective solution methods.
In addition various smart machines, typical example is the product of intelligent glasses class, because of small product size, the limitation of layout,
The capacity of one battery can not be done very greatly, and support that product work is also one together using two lesser batteries of capacity
Effective solution method.
Utility model content
The technical problem to be solved by the present invention is in view of the above drawbacks of the prior art, provide a kind of work effect
Rate is high, and the wide model of applicability, structure is simple, Double-battery powered circuit at low cost.
The technical scheme adopted by the utility model to solve the technical problem is as follows:
Construct a kind of Double-battery powered circuit, including charging chip；Wherein, the charging chip is connected with analog switch core
Piece, the analog switch chip are connected with main battery and secondary cell；The analog switch chip and the processor of equipment connect, institute
The chip of the chip and the secondary cell of stating main battery is connected to the processor, the charging chip also with the equipment
Charging interface connection；The charging chip is also connected with field-effect tube, and the end BGATE of the charging chip connects the field-effect
The grid of pipe, the drain electrode of the field-effect tube connect the end BAT_1 of the charging chip.
Double-battery powered circuit described in the utility model, wherein opened with the simulation at the end BAT_1 of the charging chip
The end the A connection of chip is closed, the end BAT_2 of the charging chip is connected to the end BAT_1, the end the SW connection of the charging chip
There is the first inductance, the other end of first inductance is connect with the source electrode of the field-effect tube, the end BOOT of the charging chip
It is connected with first capacitor, the other end of the first capacitor is connect with the end SW of the charging chip；The charging chip
The end SYS_1 is connect with the other end of first inductance, and the end SYS_1 is also connect with the end SYS_2 of the charging chip, institute
The end SYS_2 for stating charging chip is connected with the second capacitor, and the other end of second capacitor connects the charging chip
The end PDNG_1.
Double-battery powered circuit described in the utility model, wherein the end B2 of the analog switch chip and the main electricity
1 pin of chip in pond connects, and the end B1 of the analog switch chip is connect with 1 pin of chip of the secondary cell, the simulation
The end S of switch chip is connected to the processor.
Double-battery powered circuit described in the utility model, wherein 2 pin of chip of the main battery is connected to the place
Device is managed, 2 pin of chip of the secondary cell is also connected to the processor.
Double-battery powered circuit described in the utility model, wherein the end IN of the charging chip connects the charging
The anode of mouth, the end PMIDI of the charging chip are connected with third capacitor, the other end of the third capacitor and the charging
Mouthful cathode connection, the other end of the third capacitor is also connected with the 4th capacitor, the other end of the 4th capacitor with it is described
The anode connection of charging interface.
The utility model has the beneficial effects that: charging interface is connect with external charging equipment provides electricity to charging chip
Can, and charged by analog switch chip to main battery and secondary cell；The processor real-time monitoring main battery and secondary cell of equipment
Temperature, electricity situations such as, analog switch chip is also processor controlled, and the electricity of main battery is charged to 9 percent by default priority
Ten, it then is charged to 90 percent to the electricity of secondary cell, is then charged to absolutely to the electricity of two batteries respectively again, place
Reason device can control the job order of main battery and secondary cell；The when default priority of power supply is powered using main battery, works as main battery
Not enough power supply when switch to secondary cell power supply；Charging chip controls analog switch chip by field-effect tube simultaneously, to improve
Job stability；Realize that work efficiency is high, the wide model of applicability, structure is simple, at low cost.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, below in conjunction with attached drawing and reality
Applying example, the utility model is described in further detail, and the accompanying drawings in the following description is only section Example of the invention, for this
For the those of ordinary skill of field, without creative efforts, it is attached to can also be obtained according to these attached drawings other
Figure:
Fig. 1 is the circuit diagram of the Double-battery powered circuit of the utility model preferred embodiment.
Specific embodiment
It is practical below in conjunction with this in order to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Technical solution in new embodiment carries out clear, complete description, it is clear that described embodiment is the portion of the utility model
Point embodiment, rather than whole embodiments.Based on the embodiment of the present invention, those of ordinary skill in the art are not paying creation
Property labour under the premise of every other embodiment obtained, belong to the protection scope of the utility model.
The Double-battery powered circuit of the utility model preferred embodiment fills as shown in Figure 1, including charging chip BQ24161
Electrical chip BQ24161 is connected with analog switch chip SN74LVC1G3157, and analog switch chip SN74LVC1G3157 is connected with
Main battery J2001 and secondary cell J1；Analog switch chip SN74LVC1G3157 and the processor of equipment connect, main battery J2001
Chip and the chip of secondary cell J1 connect with processor, charging chip BQ24161 also with the charging interface of equipment (in figure not
Display) connection；Charging chip BQ24161 is also connected with field-effect tube Q6713, the end the BGATE connection of charging chip BQ24161
The grid G of field-effect tube Q6713, the end BAT_1 of the drain D connection charging chip BQ24161 of field-effect tube Q6713；Charging
Mouth (not shown) is connect with external charging equipment provides electric energy to charging chip BQ24161, and passes through analog switch chip
SN74LVC1G3157 charges to main battery J2001 and secondary cell J1；The processor real-time monitoring main battery J2001 and pair of equipment
Situations such as temperature of battery J1, electricity, analog switch chip SN74LVC1G3157 is also processor controlled, and default priority will be led
The electricity of battery J2001 is charged to 90 percent, and then the electricity to secondary cell J1 is charged to 90 percent, then gives two respectively again
The electricity of a battery is charged to absolutely, and processor can control the job order of main battery J2001 and secondary cell J1；Power supply
When default priority powered using main battery J2001, switched to when the not enough power supply of main battery J2001 secondary cell J1 power supply；Together
When charging chip BQ24161 by field-effect tube Q6713 control analog switch chip SN74LVC1G3157, it is steady to improve work
It is qualitative；Realize that work efficiency is high, the wide model of applicability, structure is simple, at low cost.
As shown in Figure 1, the end BAT_1 of charging chip BQ24161 and the end A of analog switch chip SN74LVC1G3157 connect
It connects, the end BAT_2 of charging chip BQ24161 is connected to the end BAT_1, and the end SW of charging chip BQ24161 is connected with the first inductance
The other end of L2001, the first inductance L2001 are connect with the source S of field-effect tube Q6713, the BOOT of charging chip BQ24161
End is connected with first capacitor C2006, and the other end of first capacitor C2006 is connect with the end SW of charging chip BQ24161；Charge core
The end SYS_1 of piece BQ24161 is connect with the other end of the first inductance L2001, and the end SYS_1 is also with charging chip BQ24161's
The connection of the end SYS_2, the end SYS_2 of charging chip BQ24161 are connected with the other end connection of the second capacitor C1, the second capacitor C1
The end PDNG_1 of charging chip BQ24161；Enhance operation stability and improves anti-interference ability.
As shown in Figure 1,1 pin of chip of the end B2 of analog switch chip SN74LVC1G3157 and main battery J2001 connect
It connects, the end B1 of analog switch chip SN74LVC1G3157 is connect with 1 pin of chip of secondary cell J1, analog switch chip
The end S of SN74LVC1G3157 is connect with processor；To increase the battery capacity of equipment, increases and use the time.
As shown in Figure 1,2 pin of chip of main battery J2001 is connected to processor, 2 pin of chip of secondary cell J1 also with
Processor connection；It is capable of the state of better real-time monitoring main battery J2001 and secondary cell J1, improves safety.
As shown in Figure 1, the anode of the end the IN connection charging interface (not shown) of charging chip BQ24161, charge core
The end PMIDI of piece BQ24161 is connected with third capacitor C2002, and the other end and charging interface of third capacitor C2002 is (in figure not
Display) cathode connection, the other end of third capacitor C2002 is also connected with the 4th capacitor C2001, and the 4th capacitor C2001's is another
One end is connect with the anode of charging interface (not shown)；Enhance operation stability and improves anti-interference ability.
It should be understood that for those of ordinary skills, it can be modified or changed according to the above description,
And all these modifications and variations all should belong to the protection scope of the appended claims for the utility model.
Claims (5)
1. a kind of Double-battery powered circuit, including charging chip；It is characterized in that, the charging chip is connected with analog switch core
Piece, the analog switch chip are connected with main battery and secondary cell；The analog switch chip and the processor of equipment connect, institute
The chip of the chip and the secondary cell of stating main battery is connected to the processor, the charging chip also with the equipment
Charging interface connection；The charging chip is also connected with field-effect tube, and the end BGATE of the charging chip connects the field-effect
The grid of pipe, the drain electrode of the field-effect tube connect the end BAT_1 of the charging chip.
2. Double-battery powered circuit according to claim 1, which is characterized in that the end BAT_1 of the charging chip and institute
The end the A connection of analog switch chip is stated, the end BAT_2 of the charging chip is connected to the end BAT_1, the charging chip
The end SW is connected with the first inductance, and the other end of first inductance and the source electrode of field-effect tube connect, the charging chip
The end BOOT is connected with first capacitor, and the other end of the first capacitor is connect with the end SW of the charging chip；The charging core
The end SYS_1 of piece is connect with the other end of first inductance, and the end SYS_1 also connects with the end SYS_2 of the charging chip
It connects, the end SYS_2 of the charging chip is connected with the second capacitor, and the other end of second capacitor connects the charging chip
The end PDNG_1.
3. Double-battery powered circuit according to claim 1, which is characterized in that the end B2 of the analog switch chip and institute
1 pin of the chip connection of main battery is stated, the end B1 of the analog switch chip is connect with 1 pin of chip of the secondary cell, institute
The end S for stating analog switch chip is connected to the processor.
4. Double-battery powered circuit according to claim 1, which is characterized in that 2 pin of chip of the main battery connects
It is also connected to the processor in 2 pin of chip of the processor, the secondary cell.
5. Double-battery powered circuit according to claim 1, which is characterized in that described in the end the IN connection of the charging chip
The anode of charging interface, the end PMIDI of the charging chip are connected with third capacitor, the other end of the third capacitor with it is described
The cathode of charging interface connects, and the other end of the third capacitor is also connected with the 4th capacitor, the other end of the 4th capacitor
It is connect with the anode of the charging interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821171323.7U CN208479236U (en) | 2018-07-24 | 2018-07-24 | A kind of Double-battery powered circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821171323.7U CN208479236U (en) | 2018-07-24 | 2018-07-24 | A kind of Double-battery powered circuit |
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| Publication Number | Publication Date |
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| CN208479236U true CN208479236U (en) | 2019-02-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821171323.7U Active CN208479236U (en) | 2018-07-24 | 2018-07-24 | A kind of Double-battery powered circuit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113964914A (en) * | 2021-11-08 | 2022-01-21 | 深圳市迪浦电子有限公司 | Mobile phone battery power supply management system and method |
-
2018
- 2018-07-24 CN CN201821171323.7U patent/CN208479236U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113964914A (en) * | 2021-11-08 | 2022-01-21 | 深圳市迪浦电子有限公司 | Mobile phone battery power supply management system and method |
| CN113964914B (en) * | 2021-11-08 | 2023-07-21 | 深圳市迪浦电子有限公司 | Mobile phone battery power management system and method |
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