CN221042649U - Low-power consumption mode circuit of portable energy storage power supply - Google Patents
Low-power consumption mode circuit of portable energy storage power supply Download PDFInfo
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- CN221042649U CN221042649U CN202323059943.5U CN202323059943U CN221042649U CN 221042649 U CN221042649 U CN 221042649U CN 202323059943 U CN202323059943 U CN 202323059943U CN 221042649 U CN221042649 U CN 221042649U
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- 238000004146 energy storage Methods 0.000 title claims abstract description 20
- 239000003990 capacitor Substances 0.000 claims abstract description 5
- 230000004913 activation Effects 0.000 description 1
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- 238000012986 modification Methods 0.000 description 1
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- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a low-POWER consumption mode circuit of a portable energy storage POWER supply, which comprises a switch tube Q1, a switch tube Q2 and a switch SW1, wherein a resistor R3 and a resistor R4 are connected IN parallel with a pin 1 of the switch tube Q1, a pin 2 of the switch tube Q1 is connected with a BAT+ end, a resistor R1 and a capacitor C1 are connected IN parallel with a pin 2 and a pin 1 of the switch tube Q1, a pin 3 of the switch tube Q1 is connected with a POWER IN end, the other end of the resistor R4 is connected with a pin 2 of the switch tube Q2, the pin 1 and the pin 3 of the switch tube Q2 are connected IN series through a resistor R7, the pin 1 of the switch tube Q2 is connected with an EN CTRL end, and the other end of the resistor R3 is connected with a diode D2 and the pin 3 of the switch SW1 IN series; the utility model can disconnect the battery end BAT+ and the DC-DC chip when the power supply is in the standby state, thereby reducing standby power consumption, avoiding power supply loss and achieving the purpose of prolonging the usable time of the battery.
Description
Technical Field
The utility model relates to the technical field of portable energy storage power supplies, in particular to a low-power consumption mode circuit of a portable energy storage power supply.
Background
With the development of electronic products, the use of batteries has become popular, and many portable products, portable energy storage power supplies, are being developed. In the existing portable energy storage power supply in a power supply standby state, although the power supply of each path is already turned off, a part of DC-DC chips are directly connected to a battery end, and at the moment, high standby power consumption still exists, so that the electric quantity of the power supply is slowly lost, and the service life of the power supply is shortened.
Disclosure of utility model
The present utility model is directed to a low power consumption mode circuit of a portable energy storage power supply, so as to solve the problems set forth in the background art.
In order to solve the technical problems, the utility model provides the following technical scheme: the utility model provides a portable energy storage POWER supply's low-POWER consumption mode circuit, including switch tube Q1, switch tube Q2 and switch SW1, switch tube Q1's foot 1 connects IN parallel has resistance R3 and resistance R4, switch tube Q1's foot 2 connects BAT+ end, switch tube Q1's foot 2 connects resistance R1 and electric capacity C1 IN parallel with foot 1, switch tube Q1's foot 3 connects POWER IN end, resistance R4's the other termination switch tube Q2's foot 2, switch tube Q2's foot 1 and foot 3 pass through resistance R7 and establish ties, switch tube Q2's foot 1 connects EN CTRL end, switch SW 1's foot 3 is connected IN series to resistance R3's the other end, triode Q3's base is connected behind diode D1 IN series to the foot 4 of switch SW1, triode Q3's projecting pole and base parallel resistance R5 and electric capacity C2, triode Q3's collector connects SW FB end behind the series resistance R6.
Preferably, the input end of the diode D1 is connected to the base electrode of the triode Q3, and the output end is connected to the pin 4 of the switch SW 1.
Preferably, the diode D2 has an input terminal connected to the resistor R3 and an output terminal connected to the resistor R2.
Preferably, the emitter of the triode Q3 is connected with V+.
Preferably, the pin 1 and the pin 2 of the switch SW1 are connected to GND.
Preferably, the pin 3 and the pin 4 of the switch SW1 are shorted.
Preferably, pin 3 of the switching tube Q2 is connected to GND.
Preferably, the POWER IN terminal is electrically connected to a DC-DC chip.
The low-power consumption mode circuit of the portable energy storage power supply provided by the utility model has the advantages that: the utility model can disconnect the battery end BAT+ and the DC-DC chip when the power supply is in the standby state, thereby reducing standby power consumption, avoiding power supply loss and achieving the purpose of prolonging the usable time of the battery.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic circuit diagram of the present utility model.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by one of ordinary skill in the art without inventive faculty, are intended to be within the scope of the present utility model, based on the embodiments of the present utility model.
Referring to fig. 1, an embodiment of the present utility model is provided: a low-POWER consumption mode circuit of a portable energy storage POWER supply comprises a switch tube Q1, a switch tube Q2 and a switch SW1, wherein a resistor R3 and a resistor R4 are connected IN parallel with a pin 1 of the switch tube Q1, a pin 2 of the switch tube Q1 is connected with a resistor R1 and a capacitor C1 IN parallel, a pin 3 of the switch tube Q1 is connected with a POWER IN end, the other end of the resistor R4 is connected with a pin 2 of the switch tube Q2, the pin 1 and the pin 3 of the switch tube Q2 are connected IN series through a resistor R7, the pin 1 of the switch tube Q2 is connected with an EN CTRL end, the other end of the resistor R3 is connected with a base electrode of the switch SW1 IN series with a diode D1, an emitter electrode and a base electrode of the transistor Q3 are connected with a resistor R5 and a capacitor C2 IN parallel, and a collector electrode of the transistor Q3 is connected with a collector electrode of the diode R6 IN series with a SW end; the input end of the diode D1 is connected with the base electrode of the triode Q3, and the output end of the diode D is connected with the pin 4 of the switch SW 1; the input end of the diode D2 is connected with the resistor R3, and the output end of the diode D2 is connected with the resistor R2; the emitter of the triode Q3 is connected with V+; pin 1 and pin 2 of switch SW1 are connected to GND; pin 3 and pin 4 of switch SW1 are shorted; pin 3 of the switch tube Q2 is connected with GND; the POWER IN terminal is electrically connected with a DC-DC chip.
Working principle: when the utility model is applied to a portable energy storage POWER supply, when the POWER supply is IN a standby state, the EN CTRL end is at a low level, the switching tube Q2 is IN a non-conducting state, at the moment, the switching tube Q2 is non-conducting, and the control end of the switching tube Q1 cannot reach a conducting condition, so that the switching tube Q1 is also non-conducting, the DC-DC chip is powered through the POWER IN end, at the moment, the circuit is powered off the connection between the battery end BAT+ and the DC-DC chip when the POWER supply is IN standby, the standby POWER consumption can be extremely low, when the POWER supply needs to be started, the switch SW1 is pressed, the control end of the switching tube Q1 reaches the conducting condition, the switching tube Q1 is conducted, and the DC-DC circuit is powered on by the POWER supply, so that the whole circuit system is activated, at the moment, the MCU can still reach the conducting condition of the switching tube Q2 by controlling the EN CTRL end, and can still reach a self-locking activation state after the switch SW1 is released.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
The apparatus embodiments described above are merely illustrative, wherein the elements illustrated as separate elements may or may not be physically separate, and the elements shown as elements may or may not be physical elements, may be located in one place, or may be distributed over a plurality of network elements. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of this embodiment. Those of ordinary skill in the art will understand and implement the present invention without undue burden.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.
Claims (8)
1. The utility model provides a portable energy storage power supply's low-power consumption mode circuit, includes switch tube Q1, switch tube Q2 and switch SW1, its characterized in that: the pin 1 of the switch tube Q1 is connected with a resistor R3 and a resistor R4 IN parallel, the pin 2 of the switch tube Q1 is connected with a BAT+ end, the pin 2 of the switch tube Q1 is connected with the resistor R1 and a capacitor C1 IN parallel, the pin 3 of the switch tube Q1 is connected with a POWER IN end, the other end of the resistor R4 is connected with the pin 2 of the switch tube Q2, the pin 1 and the pin 3 of the switch tube Q2 are connected IN series through a resistor R7, the pin 1 of the switch tube Q2 is connected with an EN CTRL end, the other end of the resistor R3 is connected with a diode D2 and a pin 3 of the switch SW1 IN series, the pin 4 of the switch SW1 is connected with a base of the triode Q3 IN series, an emitter and a base of the triode Q3 are connected with a resistor R5 and a capacitor C2 IN parallel, and a collector of the triode Q3 is connected with a resistor R6 IN series with a SW FB end.
2. The low power consumption mode circuit of a portable energy storage power supply of claim 1, wherein: the input end of the diode D1 is connected with the base electrode of the triode Q3, and the output end of the diode D is connected with the pin 4 of the switch SW 1.
3. The low power consumption mode circuit of a portable energy storage power supply of claim 1, wherein: the input end of the diode D2 is connected with the resistor R3, and the output end of the diode D2 is connected with the resistor R2.
4. The low power consumption mode circuit of a portable energy storage power supply of claim 1, wherein: the emitter of the triode Q3 is connected with V+.
5. The low power consumption mode circuit of a portable energy storage power supply of claim 1, wherein: pin 1 and pin 2 of switch SW1 are connected to GND.
6. The low power consumption mode circuit of a portable energy storage power supply of claim 5, wherein: pin 3 and pin 4 of switch SW1 are shorted.
7. The low power consumption mode circuit of a portable energy storage power supply of claim 1, wherein: and a pin 3 of the switching tube Q2 is connected with GND.
8. The low power consumption mode circuit of a portable energy storage power supply of claim 1, wherein: the POWER IN end is electrically connected with a DC-DC chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323059943.5U CN221042649U (en) | 2023-11-13 | 2023-11-13 | Low-power consumption mode circuit of portable energy storage power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323059943.5U CN221042649U (en) | 2023-11-13 | 2023-11-13 | Low-power consumption mode circuit of portable energy storage power supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221042649U true CN221042649U (en) | 2024-05-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323059943.5U Active CN221042649U (en) | 2023-11-13 | 2023-11-13 | Low-power consumption mode circuit of portable energy storage power supply |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221042649U (en) |
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2023
- 2023-11-13 CN CN202323059943.5U patent/CN221042649U/en active Active
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