CN211151581U - Portable power source and charge-discharge system - Google Patents
Portable power source and charge-discharge system Download PDFInfo
- Publication number
- CN211151581U CN211151581U CN201922376619.3U CN201922376619U CN211151581U CN 211151581 U CN211151581 U CN 211151581U CN 201922376619 U CN201922376619 U CN 201922376619U CN 211151581 U CN211151581 U CN 211151581U
- Authority
- CN
- China
- Prior art keywords
- charging
- power signal
- discharging
- switch
- battery
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The embodiment of the utility model discloses a mobile power supply and a charging and discharging system, wherein the mobile power supply comprises a power supply management chip, a charging interface, a discharging interface, a charging switch, a discharging switch, a main control chip and a battery; the charging switch and the discharging switch are arranged between the charging interface and the discharging interface in series; the power management chip is respectively and electrically connected with the charging interface, the discharging interface, a connection node between the charging switch and the discharging switch, the main control chip and the battery; the main control chip is electrically connected with the charging switch and the discharging switch respectively; the charging interface, the charging switch, the power management chip and the battery form a charging loop; the charging interface, the charging switch, the discharging switch and the charging interface form a first discharging loop; the battery, the power management chip, the discharge switch and the charging interface form a second discharge loop. In sum, through addding charge switch and discharge switch, form charge circuit, first discharge circuit and second discharge circuit simultaneously, guarantee to satisfy different charge-discharge demands.
Description
Technical Field
The embodiment of the utility model provides a relate to portable power source technical field, especially relate to a portable power source and charge-discharge system.
Background
With the spread of mobile electronic products, peripheral charging devices have also been developed rapidly, and especially the advent of mobile power supplies has been immediately favored by users. A portable power source, such as a power bank, has become one of the necessary devices for people because of its simplicity, portability and wide application range.
However, in the prior art, the mobile power supply can only be charged through the commercial power, the mobile power supply charges the electronic device, and the charging and discharging path is single and does not meet the actual requirement.
SUMMERY OF THE UTILITY MODEL
In view of this, the embodiment of the utility model provides a portable power source and charge-discharge system to it is single to solve the charge-discharge circuit among the prior art, unsatisfied actual demand's technical problem.
In a first aspect, an embodiment of the present invention provides a mobile power supply, including a power management chip, a charging interface, a discharging interface, a charging switch, a discharging switch, a main control chip, and a battery;
the charging switch and the discharging switch are arranged between the charging interface and the discharging interface in series;
the power management chip is electrically connected with the charging interface, the discharging interface, a connection node between the charging switch and the discharging switch, the main control chip and the battery respectively;
the main control chip is electrically connected with the charging switch and the discharging switch respectively;
the charging interface, the charging switch, the power management chip and the battery form a charging loop;
the charging interface, the charging switch, the discharging switch and the charging interface form a first discharging loop;
the battery, the power management chip, the discharge switch and the charging interface form a second discharge loop.
Optionally, the charging interface includes a charging power signal output terminal; the discharge interface comprises a discharge power signal output terminal;
the main control chip comprises a charging power signal receiving terminal and a discharging power signal receiving terminal;
the power management chip comprises a charging power signal transmission terminal and a discharging power signal transmission terminal;
the charging power signal transmission terminal is electrically connected with the charging power signal output terminal and the charging power signal receiving terminal respectively; the discharge power signal transmission terminal is electrically connected with the discharge power signal output terminal and the discharge power signal receiving terminal respectively; the main control chip is used for determining the charging and discharging states of the mobile power supply according to the charging power signal and the discharging power signal.
Optionally, when the main control chip receives a charging power signal and a discharging power signal, the charging power signal is greater than or equal to a first preset power signal, and the discharging power signal is greater than or equal to a second preset power signal, the charging loop and the first discharging loop are both turned on, the power adapter provides a first charging current to the battery, provides a third charging current to the electronic device, and the battery and the electronic device are both charged;
when the main control chip receives a charging power signal and a discharging power signal, the charging power signal is smaller than the first preset power signal, and the discharging power signal is smaller than the second preset power signal, the charging loop and the first discharging loop are both conducted, the power adapter provides a second charging current for the battery, provides a fourth charging current for the electronic equipment, and the battery and the electronic equipment are both charged; the second charging current is less than the first charging current, and the fourth charging current is less than the third charging current.
Optionally, when the discharging power signal is greater than the charging power signal and the discharging power signal is greater than or equal to a second preset power signal, the second discharging loop is turned on, the battery provides a first discharging current to the electronic device, and the battery discharges;
when the discharging power signal is greater than the charging power signal and less than the second preset power signal, the second discharging loop is conducted, the battery provides a second discharging current for the electronic equipment, and the battery discharges; the second discharge current is less than the first discharge current.
Optionally, when the main control chip receives a charging power signal and the charging power signal is greater than or equal to a first preset power signal, the charging loop is turned on, the power adapter provides a first charging current to the battery, and the battery is charged;
when the main control chip receives a charging power signal and the charging power signal is smaller than the first preset power signal, the charging loop is conducted, the power adapter provides a second charging current for the battery, and the battery is charged; the second charging current is less than the first charging current.
Optionally, when the main control chip receives a discharge power signal and the discharge power signal is greater than or equal to a second preset power signal, the second discharge loop is turned on, the battery provides a first discharge current to the electronic device, and the battery discharges;
when the main control chip receives a discharge power signal and the discharge power signal is smaller than the second preset power signal, the second discharge loop is conducted, the battery provides a second discharge current for the electronic equipment, and the battery discharges; the second discharge current is less than the first discharge current.
Optionally, the power management chip includes a charging circuit and a discharging circuit;
a first connection node and a second connection node are arranged between the charging switch and the discharging switch, the first connection node is positioned at one side close to the charging switch, and the second connection node is positioned at one side close to the discharging switch;
the charging circuit is electrically connected to the first connection node and the battery, and the discharging circuit is electrically connected to the second connection node and the battery.
Optionally, the charge switch includes a MOS transistor; the discharge switch comprises an MOS tube.
Optionally, the charge switch includes a PMOS transistor; the discharge switch comprises a PMOS tube.
In a second aspect, the embodiment of the present invention further provides a charging and discharging system, including the first aspect, the mobile power source further includes a power adapter, the power adapter and the charging interface is electrically connected.
The embodiment of the utility model provides a portable power source and charge-discharge system, through add charge switch and discharge switch in portable power source, establish ties charge switch and discharge switch and set up between charge interface and discharge interface to set up the power management chip and charge switch and discharge the connected node electricity between the switch and be connected, so can form charge circuit, first discharge circuit and second discharge circuit; set up main control chip simultaneously and be connected with charge switch and discharge switch electricity respectively, main control chip can control the switch on and the shutoff of charge switch and discharge switch and realize different charge-discharge state, guarantees to satisfy the charge-discharge demand of the multiple difference of user, promotes the user and uses experience.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments made with reference to the following drawings:
fig. 1 is a schematic structural diagram of a mobile power supply according to an embodiment of the present invention;
fig. 2 is a schematic diagram illustrating a charging/discharging state according to an embodiment of the present invention;
fig. 3 is a schematic diagram illustrating another charge/discharge state according to an embodiment of the present invention;
fig. 4 is a schematic diagram illustrating another charge/discharge state according to an embodiment of the present invention;
fig. 5 is a schematic diagram illustrating another charge/discharge state according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of another mobile power supply according to an embodiment of the present invention;
fig. 7 is a schematic structural diagram of a charging and discharging system provided in an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail through the following embodiments with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are some embodiments of the present invention, not all embodiments, and all other embodiments obtained by those skilled in the art without creative efforts based on the embodiments of the present invention all fall into the protection scope of the present invention.
Fig. 1 is a schematic structural diagram of a mobile power supply provided in an embodiment of the present invention, as shown in fig. 1, a mobile power supply 10 provided in an embodiment of the present invention includes a power management chip 11, a charging interface 12, a discharging interface 13, a charging switch 14, a discharging switch 15, a main control chip 16, and a battery 17; the charging switch 14 and the discharging switch 15 are arranged between the charging interface 12 and the discharging interface 13 in series; the power management chip 11 is respectively and electrically connected with the charging interface 12, the discharging interface 13, a connection node N between the charging switch 14 and the discharging switch 15, the main control chip 16 and the battery 17; the main control chip 16 is electrically connected with the charging switch 14 and the discharging switch 15 respectively; the charging interface 12, the charging switch 13, the power management chip 11 and the battery 17 form a charging loop; the charging interface 12, the charging switch 14, the discharging switch 15 and the discharging interface 13 form a first discharging loop; the battery 17, the power management chip 11, the discharge switch 15 and the discharge interface 13 form a second discharge loop.
Illustratively, the power management chip 11 is electrically connected to the charging interface 12 and the discharging interface 13, respectively, and obtains a charging power signal of the power adapter through the charging interface 12, obtains a discharging power signal of the electronic device through the discharging interface 13, and transmits the charging power signal and the discharging power signal to the main control chip 16, respectively. The main control chip 16 is electrically connected with the power management chip 11, the charging switch 14 and the discharging switch 15, respectively controls the on and off of the charging switch 14 and the discharging switch 15 according to the received charging power signal and discharging power signal, respectively realizes the on and off of the charging loop, the first discharging loop and the second discharging loop, realizes different charging and discharging loops, and meets different charging and discharging requirements of the mobile power supply 10 and the electronic device.
Further, the charging interface 12 provided by the embodiment of the present invention includes a charging power signal output terminal; the discharge interface 13 may include a discharge power signal output terminal; the main control chip 16 may include a charging power signal receiving terminal and a discharging power signal receiving terminal; the power management chip 11 may include a charging power signal transmission terminal and a discharging power signal transmission terminal; the charging power signal transmission terminal is electrically connected with the charging power signal output terminal and the charging power signal receiving terminal respectively; the discharge power signal transmission terminal is electrically connected with the discharge power signal output terminal and the discharge power signal receiving terminal respectively; the main control chip 16 is used for determining the charging and discharging states of the mobile power supply according to the charging power signal and the discharging power signal.
Illustratively, the power management chip 11 includes a charging power signal transmission terminal and a discharging power signal transmission terminal, the charging power signal reception terminal on the main control chip 16 is electrically connected to the charging power signal output terminal on the charging interface 12 through the charging power signal transmission terminal, and the discharging power signal reception terminal on the main control chip 16 is electrically connected to the discharging power signal output terminal on the discharging interface 13 through the discharging power signal transmission terminal, so that the main control chip 16 can receive the charging power signal and the discharging power signal, and further control the on and off of the charging switch 14 and the discharging switch 15, thereby implementing different charging and discharging requirements of the mobile power supply 10 and the electronic device.
Optionally, the charging switch 14 may include a MOS transistor; the discharge switch 15 may include a MOS transistor; a signal input end of the charging switch 14 can be connected with the charging interface 12, a signal output end can be connected with a connection node N between the charging switch 14 and the discharging switch 15, and a control end can be connected with the main control chip 16; a signal input terminal of the discharging switch 14 may be connected to a connection node N between the charging switch 14 and the discharging switch 15, a signal output terminal may be connected to the discharging interface 13, and a control terminal may be connected to the main control chip 16. The charging switch 14 and the discharging switch 15 can be turned on and off according to the control signal provided by the main control chip 16, so that the function of signal transmission is realized.
Further, the charge switch 14 may include a PMOS transistor; the discharge switch 15 may include a PMOS transistor, so as to ensure that the functions of the charge switch 14 and the discharge switch 15 are stable, and ensure that the mobile power supply operates normally.
The following describes different charge and discharge states.
First, a case where the power adapter is connected to the charging interface and the electronic device is connected to the discharging interface will be described.
Fig. 2 is a schematic diagram illustrating a charging/discharging state provided by an embodiment of the present invention, as shown in fig. 2, when the main control chip 16 receives a charging power signal and a discharging power signal, and the charging power signal is greater than or equal to a first preset power signal, and the discharging power signal is greater than or equal to a second preset power signal, the charging loop and the first discharging loop are both turned on, the power adapter provides a first charging current to the battery, provides a third charging current to the electronic device, and both the battery and the electronic device are charged;
when the main control chip receives a charging power signal and a discharging power signal, the charging power signal is smaller than a first preset power signal, and the discharging power signal is smaller than a second preset power signal, the charging loop and the first discharging loop are both conducted, the power adapter provides a second charging current for the battery, provides a fourth charging current for the electronic equipment, and the battery and the electronic equipment are both charged; the second charging current is less than the first charging current, and the fourth charging current is less than the third charging current.
Illustratively, when the main control chip 16 receives the charging power signal and the discharging power signal at the same time, the charging switch 14 and the discharging switch 15 are controlled to be turned on at the same time, and the main control chip 16 judges the magnitude of the received charging power signal and the magnitude of the received discharging power signal. When the charging power signal is larger than or equal to a first preset power signal, the power adapter provides a first charging current for the battery; when the discharging power signal is larger than or equal to the second preset power signal, the power adapter provides a third charging current for the electronic device. The first preset power signal can be charging power required by the power adapter when the mobile power supply and the electronic equipment are charged quickly, the second preset power signal can be discharging power with quick charging capacity for the electronic equipment, the first charging current is quick charging current of the mobile power supply, and the third charging current is charging current when the electronic equipment is charged quickly.
Further, when the main control chip 16 receives the charging power signal and the discharging power signal at the same time, the main control chip 16 determines the magnitude of the received charging power signal and discharging power signal, and when the charging power signal is smaller than the charging power that the power adapter needs to satisfy when performing fast charging on the mobile power supply and the electronic device, and when the discharging power signal is smaller than the discharging power that the fast charging is provided, the power adapter provides a second charging current to the battery and provides a fourth charging current to the electronic device, where the second charging current is a charging current during ordinary charging of the mobile power supply, the fourth charging current is a charging current during ordinary charging of the electronic device, the second charging current is smaller than the first charging current, and the fourth charging current is smaller than the third charging current.
In sum, through adding the charging switch and the discharging switch, the main control chip controls the charging switch and the discharging switch to be simultaneously conducted according to the received charging power signal and discharging power signal, the power adapter charges the mobile power supply and the electronic equipment, and a charging loop of the power adapter for charging the electronic equipment is added. Further, main control chip judges according to the size of charging power signal and discharge power signal whether to charge fast or ordinary charging to portable power source, judges to charge fast or ordinary charging to electronic equipment, and electronic equipment also can realize filling fast when portable power source fills fast so, and electronic equipment can only ordinary charged technical problem when solving portable power source among the prior art and charging, realizes the charge-discharge state of multiple difference, promotes user's use and experiences.
Further, fig. 3 is a schematic diagram illustrating another charge/discharge state provided in the embodiment of the present invention, as shown in fig. 3, when the discharge power signal is greater than the charge power signal and the discharge power signal is greater than or equal to a second preset power signal, the second discharge loop is turned on, the battery provides the first discharge current to the electronic device, and the battery discharges;
when the discharging power signal is greater than the charging power signal and is smaller than a second preset power signal, the second discharging loop is conducted, the battery provides a second discharging current for the electronic equipment, and the battery discharges; the second discharge current is less than the first discharge current.
For example, when the discharging power signal is greater than the charging power signal and the discharging power signal is greater than or equal to a second preset power signal, it is indicated that the electronic device has a fast charging capability, and the charging current provided by the power adapter is less than the maximum charging current that the electronic device can bear, at this time, the second discharging loop is turned on, the battery provides the first discharging current to the electronic device, the battery discharges, the electronic device receives the charging currents of the power adapter and the mobile power supply at the same time, the charging time of the electronic device is reduced, and the charging efficiency of the electronic device is improved.
Next, a case where only the power adapter is connected to the charging interface will be described.
Fig. 4 is a schematic diagram illustrating another charge/discharge state provided by an embodiment of the present invention, as shown in fig. 4, when the main control chip 16 receives the charging power signal and the charging power signal is greater than or equal to a first preset power signal, the charging loop is turned on, the power adapter provides a first charging current to the battery 17, and the battery 17 is charged;
when the main control chip receives the charging power signal and the charging power signal is smaller than the first preset power signal, the charging loop is conducted, the power adapter provides a second charging current for the battery 17, and the battery 17 is charged; the second charging current is less than the first charging current.
For example, when the main control chip 16 receives only the charging power signal, the charging switch 14 is controlled to be turned on, and the main control chip 16 determines the magnitude of the received charging power signal. When the charging power signal is larger than or equal to the first preset power signal, the power adapter provides a first charging current for the battery. The first preset power signal can be charging power which needs to be met by the power adapter when the mobile power supply is charged quickly, and the first charging current is quick charging current of the mobile power supply.
Further, when the main control chip 16 receives the charging power signal, the main control chip 16 determines the size of the received charging power signal, and when the charging power signal is smaller than the charging power that the power adapter needs to satisfy when performing quick charging on the mobile power supply, the power adapter provides a second charging current to the battery, where the second charging current is a charging current of the mobile power supply during ordinary charging, and the second charging current is smaller than the first charging current.
In sum, by additionally arranging the charging switch, the main control chip controls the charging switch to be conducted according to the received charging power signal, and the power adapter charges the mobile power supply; furthermore, the main control chip judges whether the mobile power supply is charged quickly or normally according to the magnitude of the charging power signal, and controllability of the mobile power supply in a charging process is improved.
Next, a case where only the electronic device is connected to the discharge interface will be described.
Fig. 5 is a schematic diagram illustrating another charge/discharge state provided by an embodiment of the present invention, as shown in fig. 5, when the main control chip 16 receives the discharge power signal and the discharge power signal is greater than or equal to a second preset power signal, the second discharge loop is turned on, the battery 17 provides a first discharge current to the electronic device, and the battery discharges;
when the main control chip 16 receives the discharge power signal and the discharge power signal is smaller than a second preset power signal, the second discharge loop is conducted, the battery 17 provides a second discharge current for the electronic device, and the battery discharges; the second discharge current is less than the first discharge current.
Illustratively, when the main control chip 16 receives the discharge power signal, the discharge switch 15 is controlled to be turned on, and the main control chip 16 judges the magnitude of the received discharge power signal. When the discharge power signal is larger than or equal to the second preset power signal, the battery 17 provides a first discharge current to the electronic device. The second preset power signal may be a discharge power of the electronic device with a fast charging capability, and the first amplified current is a charging current of the electronic device during fast charging.
Further, when the main control chip 16 receives the discharge power signal, the main control chip 16 determines the magnitude of the received discharge power signal, and when the discharge power signal is smaller than the discharge power of the fast charge, the battery 17 provides a second discharge current to the electronic device, where the second discharge current is a charge current of the electronic device during normal charge, and the second discharge current is smaller than the first discharge current.
In conclusion, by additionally arranging the discharge switch, the main control chip controls the conduction of the discharge switch according to the received discharge power signal; furthermore, the main control chip judges whether the electronic equipment is charged quickly or normally according to the magnitude of the discharge power signal, and controllability of the discharge process of the mobile power supply is improved.
On the basis of the foregoing embodiment, fig. 6 is a schematic structural diagram of another mobile power supply provided in the embodiment of the present invention, and as shown in fig. 6, the power management chip 11 may include a charging circuit 111 and a discharging circuit 112; a first connection node N1 and a second connection node N2 are provided between the charge switch 14 and the discharge switch 15, the first connection node N1 is located at a side close to the charge switch 12, and the second connection node N2 is located at a side close to the discharge switch 15; the charging circuit 111 is electrically connected to the first connection node N1 and the battery 17, respectively, and the discharging circuit 112 is electrically connected to the second connection node N2 and the battery 17, respectively.
Illustratively, the power management chip 11 may specifically include a charging circuit 111 and a discharging circuit 112; the charging circuit 111 is serially connected between the first connection node N1 and the battery 17, and the charging current provided by the power adapter charges the battery 17 after flowing through the charging circuit 111, so as to ensure that the charging circuit is normally conducted and normally works; the discharging circuit 112 is serially connected between the second connection node N2 and the battery 17, and the discharging current provided by the battery 17 is discharged to the electronic device through the discharging circuit 112, so as to ensure that the second discharging loop is normally conducted and normally works.
On the basis of the above embodiment, the embodiment of the utility model provides a charge-discharge system 20 is still provided, including above-mentioned embodiment portable power source 10, still include power adapter 21, power adapter 21 is connected with charging interface 12 electricity for supply power to battery 17 or electronic equipment. The embodiment of the utility model provides a charge-discharge system 20 possesses above-mentioned embodiment beneficial effect, here no longer redundantly.
It should be noted that the foregoing is only a preferred embodiment of the present invention and the technical principles applied. Those skilled in the art will appreciate that the present invention is not limited to the specific embodiments described herein, but that the features of the various embodiments of the invention may be partially or fully coupled to each other or combined and may cooperate with each other and be technically driven in various ways. Numerous obvious variations, rearrangements, combinations, and substitutions will now occur to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the scope of the present invention.
Claims (10)
1. A mobile power supply is characterized by comprising a power supply management chip, a charging interface, a discharging interface, a charging switch, a discharging switch, a main control chip and a battery;
the charging switch and the discharging switch are arranged between the charging interface and the discharging interface in series;
the power management chip is electrically connected with the charging interface, the discharging interface, a connection node between the charging switch and the discharging switch, the main control chip and the battery respectively;
the main control chip is electrically connected with the charging switch and the discharging switch respectively;
the charging interface, the charging switch, the power management chip and the battery form a charging loop;
the charging interface, the charging switch, the discharging switch and the charging interface form a first discharging loop;
the battery, the power management chip, the discharge switch and the charging interface form a second discharge loop.
2. The mobile power supply according to claim 1, wherein the charging interface includes a charging power signal output terminal; the discharge interface comprises a discharge power signal output terminal;
the main control chip comprises a charging power signal receiving terminal and a discharging power signal receiving terminal;
the power management chip comprises a charging power signal transmission terminal and a discharging power signal transmission terminal;
the charging power signal transmission terminal is electrically connected with the charging power signal output terminal and the charging power signal receiving terminal respectively; the discharge power signal transmission terminal is electrically connected with the discharge power signal output terminal and the discharge power signal receiving terminal respectively; the main control chip is used for determining the charging and discharging states of the mobile power supply according to the charging power signal and the discharging power signal.
3. The mobile power supply according to claim 2, wherein when the main control chip receives a charging power signal and a discharging power signal, the charging power signal is greater than or equal to a first preset power signal, and the discharging power signal is greater than or equal to a second preset power signal, the charging loop and the first discharging loop are both turned on, the power adapter provides a first charging current to the battery, provides a third charging current to the electronic device, and both the battery and the electronic device are charged;
when the main control chip receives a charging power signal and a discharging power signal, the charging power signal is smaller than the first preset power signal, and the discharging power signal is smaller than the second preset power signal, the charging loop and the first discharging loop are both conducted, the power adapter provides a second charging current for the battery, provides a fourth charging current for the electronic equipment, and the battery and the electronic equipment are both charged; the second charging current is less than the first charging current, and the fourth charging current is less than the third charging current.
4. The mobile power supply according to claim 3, wherein when the discharging power signal is greater than the charging power signal and the discharging power signal is greater than or equal to a second preset power signal, the second discharging loop is turned on, the battery provides a first discharging current to the electronic device, and the battery discharges;
when the discharging power signal is greater than the charging power signal and less than the second preset power signal, the second discharging loop is conducted, the battery provides a second discharging current for the electronic equipment, and the battery discharges; the second discharge current is less than the first discharge current.
5. The mobile power supply according to claim 2, wherein when the main control chip receives a charging power signal and the charging power signal is greater than or equal to a first preset power signal, the charging loop is turned on, a power adapter provides a first charging current to the battery, and the battery is charged;
when the main control chip receives a charging power signal and the charging power signal is smaller than the first preset power signal, the charging loop is conducted, the power adapter provides a second charging current for the battery, and the battery is charged; the second charging current is less than the first charging current.
6. The mobile power supply according to claim 2, wherein when the main control chip receives a discharging power signal and the discharging power signal is greater than or equal to a second preset power signal, the second discharging loop is turned on, the battery provides a first discharging current to the electronic device, and the battery discharges;
when the main control chip receives a discharge power signal and the discharge power signal is smaller than the second preset power signal, the second discharge loop is conducted, the battery provides a second discharge current for the electronic equipment, and the battery discharges; the second discharge current is less than the first discharge current.
7. The mobile power supply of claim 1, wherein the power management chip comprises a charging circuit and a discharging circuit;
a first connection node and a second connection node are arranged between the charging switch and the discharging switch, the first connection node is positioned at one side close to the charging switch, and the second connection node is positioned at one side close to the discharging switch;
the charging circuit is electrically connected to the first connection node and the battery, and the discharging circuit is electrically connected to the second connection node and the battery.
8. The mobile power supply according to claim 1, wherein the charge switch comprises a MOS transistor; the discharge switch comprises an MOS tube.
9. The mobile power supply of claim 8, wherein the charge switch comprises a PMOS transistor; the discharge switch comprises a PMOS tube.
10. A charging and discharging system, comprising the mobile power supply of any one of claims 1 to 9, and further comprising a power adapter, wherein the power adapter is electrically connected to the charging interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922376619.3U CN211151581U (en) | 2019-12-25 | 2019-12-25 | Portable power source and charge-discharge system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922376619.3U CN211151581U (en) | 2019-12-25 | 2019-12-25 | Portable power source and charge-discharge system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211151581U true CN211151581U (en) | 2020-07-31 |
Family
ID=71748801
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922376619.3U Active CN211151581U (en) | 2019-12-25 | 2019-12-25 | Portable power source and charge-discharge system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211151581U (en) |
-
2019
- 2019-12-25 CN CN201922376619.3U patent/CN211151581U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107221969B (en) | Multiple charger configuration in a system | |
| KR101902951B1 (en) | Charging circuit and terminal | |
| EP4145669A1 (en) | Charging/discharging circuit and electronic device | |
| CN110854939B (en) | Method for charging double batteries, electronic device and storage medium | |
| CN104158255A (en) | Charge and discharge management system and mobile power supply with application of charge and discharge management system | |
| US9673638B2 (en) | Apparatus and method for a switching power converter | |
| CN101882701A (en) | Charging method and system | |
| US20130169059A1 (en) | Dual Input Single Output Power Multiplexer for Near Field Communication Application | |
| CN103455118A (en) | Detection of fast supply ramp in reset circuit | |
| CN103581371A (en) | Mobile terminal and battery control method thereof | |
| KR20080043481A (en) | Battery charge/ discharge apparatus controlling an output voltage level and method thereof | |
| CN209805437U (en) | Charging system and electronic device | |
| US11557964B2 (en) | High-efficiency low-ripple burst mode for a charge pump | |
| CN105226754A (en) | Battery charge/discharge control circuit and control method thereof | |
| CN211151581U (en) | Portable power source and charge-discharge system | |
| CN205039588U (en) | Battery measurement control circuit | |
| CN108259030A (en) | A kind of switching device automatically according to input selection power path | |
| CN107612104A (en) | Control method and device when USB flash disk charger baby charges | |
| WO2018006593A1 (en) | Wifi power supply switching method, circuit and apparatus, and storage medium | |
| CN107706994A (en) | Control method and device when USB flash disk charger baby is to load charging | |
| US11121564B2 (en) | Power supply device having hierarchical structure | |
| CN207677460U (en) | USB flash disk charger baby and its control circuit | |
| US20180301911A1 (en) | Semiconductor device | |
| CN110649673A (en) | Mobile terminal | |
| CN102437594A (en) | Terminal, terminal system as well as charge-discharge method and discharge method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |