CN219041762U - Low-power-consumption circuit and electronic equipment - Google Patents
Low-power-consumption circuit and electronic equipment Download PDFInfo
- Publication number
- CN219041762U CN219041762U CN202222890362.5U CN202222890362U CN219041762U CN 219041762 U CN219041762 U CN 219041762U CN 202222890362 U CN202222890362 U CN 202222890362U CN 219041762 U CN219041762 U CN 219041762U
- Authority
- CN
- China
- Prior art keywords
- circuit
- switch
- switch circuit
- low
- power
- 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
- 230000001960 triggered effect Effects 0.000 claims abstract description 6
- 230000003068 static effect Effects 0.000 abstract description 19
- 238000010586 diagram Methods 0.000 description 12
- 238000000034 method Methods 0.000 description 4
- 230000005669 field effect Effects 0.000 description 3
- 239000004065 semiconductor Substances 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000000470 constituent Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000010365 information processing Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/51—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
- H03K17/56—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices
- H03K17/687—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices the devices being field-effect transistors
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Power Sources (AREA)
- Electronic Switches (AREA)
Abstract
The utility model discloses a low-power-consumption circuit and electronic equipment. The low-power-consumption circuit comprises a device switch, wherein the device switch can be triggered to be turned on or turned off; a first switching circuit and a second switching circuit; the control end of the first switch circuit is used for receiving a control signal of the equipment main circuit, the first end of the first switch circuit is connected with the control end of the second switch circuit, the second end of the first switch circuit is grounded, the first end and the second end of the second switch circuit are respectively connected with two ends of the equipment switch, the first switch circuit is used for controlling the connection or disconnection of the second switch circuit according to a signal of the control end of the first switch circuit, and the second switch circuit is in short circuit after being connected. By setting the low-power-consumption circuit, the electronic equipment can achieve ultra-low static power consumption when in shutdown or standby, and can continuously run for a long time under the static power consumption.
Description
Technical Field
The present utility model relates to the field of electronic circuit design, and in particular, to a low power consumption circuit and an electronic device.
Background
Electronic products have become one of the indispensable tools for life, and more electronic products are powered by batteries, so that the demands of people on the low-power consumption performance of the electronic products are increasing.
At present, the main measures of the electronic equipment for solving the static power consumption are as follows: when the electronic equipment needs to enter a standby or shutdown state, the peripheral functional devices of the circuit are closed, each IP core is closed in the processor, the clock is switched to an internal low-frequency clock, only the low-frequency working state of the processor core is ensured, and the whole electric energy consumption of the circuit is reduced to the minimum. For electronic devices in a standby state for a long time, an ultra-low power consumption single chip processor is generally used as a core processor of an embedded system, or a high-capacity battery is used, so that continuous operation for a long time under static power consumption is realized.
However, the measures for solving the static power consumption in the prior art still have low current consumption, and the electronic device which has small volume and cannot accommodate the large-capacity battery or cannot use the ultra-low power consumption processor cannot meet the requirement of continuous operation for a long time under the static power consumption.
Disclosure of Invention
The utility model provides a low-power-consumption circuit and electronic equipment, which are used for solving the problems that the current loss is low and the sustainable operation can not be realized for a long time under the static power consumption in the prior art.
According to an aspect of the present utility model, there is provided a low power consumption circuit comprising:
the equipment switch is connected between the power supply and the power input end of the equipment main circuit and can be triggered to be turned on or turned off;
a first switching circuit and a second switching circuit; the first switch circuit comprises a control end, a first end and a second end, and the second switch circuit comprises a control end, a first end and a second end; the control end of the first switch circuit is used for receiving a control signal of the equipment main circuit, the first end of the first switch circuit is connected with the control end of the second switch circuit, the second end of the first switch circuit is grounded, the first end and the second end of the second switch circuit are respectively connected with two ends of the equipment switch, the first switch circuit is used for controlling the connection or disconnection of the second switch circuit according to a signal of the control end of the first switch circuit, and the second switch circuit is in short circuit after being connected.
Optionally, the first switch circuit includes a first MOS transistor and a first resistor; the grid electrode of the first MOS tube is connected with the control end of the first switch circuit, the source electrode of the first MOS tube is grounded, and the drain electrode of the first MOS tube is connected with the first end of the first switch circuit; one end of the first resistor is connected with the grid electrode of the first MOS tube, and the other end of the first resistor is grounded.
Optionally, the second switch circuit includes a second MOS transistor and a second resistor; the grid electrode of the second MOS tube is connected with the control end of the second switch circuit, and the drain electrode of the second MOS tube is connected with the first end of the second switch circuit; the second resistor is connected between the drain electrode and the grid electrode of the second MOS tube.
Optionally, the first MOS transistor includes an N-type MOS transistor.
Optionally, the second MOS transistor includes a P-type MOS transistor.
According to another aspect of the present utility model, there is provided an electronic device including the low power consumption circuit, the electronic device further including a power supply, a device main circuit including a processor; the device switch is connected with the power supply and the processor, and the processor is connected with the low-power-consumption circuit.
Optionally, the power supply includes a battery, and the battery is used for providing power to the electronic device.
Optionally, the device switch includes a tact switch for turning on or off the power supplied by the battery to the processor.
Optionally, the processor is configured to send a control signal to control on or off of the low power consumption circuit.
Optionally, the low-power consumption circuit is turned on after the device switch is closed, and the electronic device forms a self-locking power supply state.
The technical scheme of the embodiment of the utility model provides a low-power-consumption circuit, which comprises: the equipment switch is connected between the power supply and the power input end of the equipment main circuit and can be triggered to be turned on or turned off; a first switching circuit and a second switching circuit; the first switch circuit comprises a control end, a first end and a second end, and the second switch circuit comprises a control end, a first end and a second end; the control end of the first switch circuit is used for receiving a control signal of the equipment main circuit, the first end of the first switch circuit is connected with the control end of the second switch circuit, the second end of the first switch circuit is grounded, the first end and the second end of the second switch circuit are respectively connected with two ends of the equipment switch, the first switch circuit is used for controlling the connection or disconnection of the second switch circuit according to a signal of the control end of the first switch circuit, and the second switch circuit is in short circuit after being connected. By arranging the low-power-consumption circuit in the electronic equipment, the problem of low current loss under static power consumption in the prior art is solved, the ultra-low static power consumption of the electronic equipment can be realized when the electronic equipment is powered off or in standby, and meanwhile, the electronic equipment can continuously run for a long time under the static power consumption.
It should be understood that the description in this section is not intended to identify key or critical features of the embodiments of the utility model or to delineate the scope of the utility model. Other features of the present utility model will become apparent from the description that follows.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only 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 diagram of a low power circuit structure according to an embodiment of the present utility model;
FIG. 2 is a schematic diagram of a low power circuit connection according to an embodiment of the present utility model;
fig. 3 is a schematic structural diagram of an electronic device according to an embodiment of the present utility model;
fig. 4 is a schematic diagram of a low-power circuit of an electronic device according to an embodiment of the present utility model;
FIG. 5 is a schematic diagram of a low power circuit when an electronic device stops operating according to an embodiment of the present utility model;
fig. 6 is a schematic diagram of a low power circuit in normal operation of an electronic device according to an embodiment of the present utility model.
Detailed Description
In order that those skilled in the art will better understand the present utility model, a technical solution in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.
It should be noted that the terms "first," "second," and the like in the description and the claims of the present utility model and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that the embodiments of the utility model described herein may be implemented in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
Fig. 1 is a schematic diagram of a low power consumption circuit structure provided in an embodiment of the present utility model, where, as shown in fig. 1, a low power consumption circuit 100 includes a device switch 110, the device switch 110 is connected between a power supply 120 and a power input terminal of a device main circuit 130, and the device switch 110 can be triggered to be turned on or turned off; a first switching circuit 140 and a second switching circuit 150; the first switching circuit 140 includes a control terminal, a first terminal, and a second terminal, and the second switching circuit 150 includes a control terminal, a first terminal, and a second terminal; the control end of the first switch circuit 140 is configured to receive a control signal of the device main circuit 130, the first end of the first switch circuit 140 is connected to the control end of the second switch circuit 150, the second end of the first switch circuit 140 is grounded, the first end and the second end of the second switch circuit 150 are respectively connected to two ends of the device switch 110, the first switch circuit 140 is configured to control on or off of the second switch circuit 150 according to a signal of the control end of the first switch circuit 140, and the second switch circuit 150 is configured to short-circuit the device switch 110 after being turned on.
In this embodiment, the low power consumption circuit 100 is used for solving the power consumption problem, and the low power consumption circuit 100 is applied to an electronic device to reduce the power consumption of the electronic device. The device switch 110 is a switch of an electronic device, and is used for controlling the electronic device to be turned on or off, for example, when the device switch 110 is turned on, the electronic device is in a start state, and when the device switch 110 is turned off, the electronic device is in a shutdown state. The power supply 120 provides power to the electronic device, for example, the power supply 120 may be a battery. The device main circuit 130 controls an operation state of the electronic device as a main circuit of the electronic device, and the device main circuit 130 may include a controller, an electric element, and the like. The first switch circuit 140 and the second switch circuit 150 are used as main constituent circuits of the low-power consumption circuit 100 for controlling the working state of the low-power consumption circuit.
When the device switch 110 is closed, since the device switch 110 is connected to the power supply 120 of the electronic device and the power input end of the electronic device main circuit 130, the electronic device main circuit 130 is started, the electronic device is in a working state, the control end of the first switch circuit 140 is connected to the electronic device main circuit 130, the controller in the electronic device main circuit 130 sends a first control signal, the first control signal can be represented by a high level, the first switch circuit 140 receives the high level signal, the first switch circuit 140 is in a conducting state, the first end of the first switch circuit 140 is connected to the control end of the second switch circuit 150, the first end of the first switch circuit 140 is used as the output end of the first switch circuit 140 to output the high level signal, the second switch circuit 150 receives the high level signal, the second switch circuit 150 is in a conducting state, and the first end and the second end of the second switch circuit 150 are respectively connected to the two ends of the device switch 110, at this time, the low power consumption circuit 100 shorts the device switch 110, and the power supply state of the electronic device is prevented from being affected by the device switch fault.
When the device switch 110 is turned off, the electronic device main circuit 130 is turned off, the control end of the first switch circuit 140 is connected to the electronic device main circuit 130, the controller in the electronic device main circuit 130 sends a second control signal, the second control signal may be represented by a low level, the first switch circuit 140 receives the low level signal, the first switch circuit 140 is turned off, the first end of the first switch circuit 140 is connected to the control end of the second switch circuit 150, the first end of the first switch circuit 140 is used as the output end of the first switch circuit 140 to output the low level signal, the second switch circuit 150 receives the low level signal, the second switch circuit 150 is turned off, at this time, the current in the low power consumption circuit 100 is very tiny, and is usually ignored in circuit power consumption, and the electronic device is in a very low static power consumption state.
According to the technical scheme of the embodiment, the low-power-consumption circuit comprises: the equipment switch is connected between the power supply and the power input end of the equipment main circuit and can be triggered to be turned on or turned off; a first switching circuit and a second switching circuit; the first switch circuit comprises a control end, a first end and a second end, and the second switch circuit comprises a control end, a first end and a second end; the control end of the first switch circuit is used for receiving a control signal of the equipment main circuit, the first end of the first switch circuit is connected with the control end of the second switch circuit, the second end of the first switch circuit is grounded, the first end and the second end of the second switch circuit are respectively connected with two ends of the equipment switch, the first switch circuit is used for controlling the on or off of the second switch circuit according to the signal of the control end of the first switch circuit, and the second switch circuit is used for shorting the equipment switch after being conducted. By arranging the low-power-consumption circuit in the electronic equipment, the problem of low current loss under static power consumption in the prior art is solved, the ultra-low static power consumption of the electronic equipment can be realized when the electronic equipment is powered off or in standby, and meanwhile, the electronic equipment can continuously run for a long time under the static power consumption.
On the basis of the foregoing embodiments, the present embodiment is further refined on the basis of the foregoing embodiments, and fig. 2 is a schematic diagram of low-power-consumption circuit connection provided by the embodiment of the present utility model, as shown in fig. 2, where the first switch circuit 140 includes a first MOS transistor 210 and a first resistor 220, and the second switch circuit 150 includes a second MOS transistor 230 and a second resistor 240.
In this embodiment, a gate of the first MOS transistor 210 is connected to the control end of the first switch circuit 140, a drain of the first MOS transistor 210 is grounded, and a source of the first MOS transistor 210 is connected to the first end of the first switch circuit 140; one end of the first resistor 220 is connected to the gate of the first MOS transistor 210, and the other end of the first resistor 220 is grounded. The gate of the second MOS tube 230 is connected with the control end of the second switch circuit 150, and the drain of the second MOS tube 230 is connected with the first end of the second switch circuit 150; the second resistor 240 is connected between the drain and the gate of the second MOS transistor 230.
In this embodiment, the MOS transistor generally refers to a metal-oxide-semiconductor (semiconductor) field effect transistor, and the field effect transistor is divided into a P-type MOS (P-channel type) transistor and an N-type MOS (N-channel type) transistor, which belong to an insulated gate field effect transistor. For example, the first MOS transistor 210 includes an N-type MOS transistor, and the second MOS transistor 230 includes a P-type MOS transistor. The first resistor 220 is grounded and can be used as a pull-down resistor, when the first switch circuit 140 is turned off, the gate of the first MOS transistor 210 connected to one end of the first resistor 220 is grounded, the second resistor 240 is connected to the power supply 120 and can be used as a pull-up resistor, and when the second switch circuit 150 is turned off, the gate of the second MOS transistor 230 connected to one end of the second resistor 240 is at a high level. The pull-down resistor and the pull-up resistor may be at a fixed level to the line node when the circuit driver is turned off.
Fig. 3 is a schematic structural diagram of an electronic device according to an embodiment of the present utility model, where, as shown in fig. 3, an electronic device 300 includes a low-power circuit 100, a power supply 120, and a device main circuit 130, and the device main circuit 130 includes a processor 310; the device switch 110 is connected to the power supply 120 and the processor 310, and the processor 310 is connected to the low power consumption circuit 100.
In this embodiment, the power supply 120 provides power for the operation of the electronic device, and the power supply 120 includes a battery for providing power to the electronic device 300. The device main circuit 130 is used as a main working circuit in the working state of the electronic device, and implements various functions of the electronic device, and the processor 310 is used as a core of the device main circuit 130 and has functions of information processing, data interaction, logic operation and the like, for example, the processor 310 can be used for sending a control signal to control the on or off of the low-power consumption circuit 100.
The device switch 110 is used to turn on or off the power supplied by the battery to the processor 310 and may include a tact switch, i.e., a push switch. One end of the device switch 110 is connected with the power supply 120, the other end is connected with the processor 310, and the device switch 110 controls the working state of the electronic device. When the device switch 110 is closed, the electronic device is in a normal working state, the processor 310 outputs a control signal to the low-power consumption circuit 100 and controls the low-power consumption circuit 100 to be turned on, that is, the low-power consumption circuit 100 is turned on after the device switch 110 is closed, at this time, referring to the above embodiment, the second switch circuit 150 in the low-power consumption circuit 100 shorts the device switch 110, the electronic device 300 forms a "self-locking" power supply state, and the electronic device can keep working after the device switch 110 is opened. When the device switch 110 is turned off, the power supply 120 is disconnected from the processor 310, the electronic device does not work, the processor 310 outputs a control signal to the low-power-consumption circuit 100 and controls the low-power-consumption circuit 100 to turn off, and at this time, the current consumption of the low-power-consumption circuit 100 is close to zero, thereby meeting the requirement of ultra-low power consumption when the electronic device is static.
Fig. 4 is a schematic diagram of a low-power circuit of an electronic device according to an embodiment of the present utility model, where a static low-power circuit mainly includes a tact switch, a resistor, an NMOS tube, and a PMOS tube, which are combined with a main circuit of the device. The tact switch is a starting switch of the circuit system and is used for triggering a power supply of the equipment main circuit to supply power, so that the equipment main circuit enters a working state. The PMOS tube and the NMOS tube are matched with a resistor and are used for bypassing the tact switch through a high-level signal given by a processor in the main circuit of the equipment after the trigger circuit of the tact switch, so that the main circuit of the equipment can be maintained in an electrified state.
The control logic of the low-power-consumption circuit is described by the complete operation flow of the initial state, startup and shutdown of the electronic equipment:
1. fig. 5 is a schematic diagram of a low power consumption circuit when an electronic device stops running, in which an initial state of the circuit is a lowest power consumption state of the circuit, at this time, a power supply of a main circuit of the device is in a short circuit state, a processor output of the main circuit is in a low level or high resistance state, so that a gate of an NMOS transistor is controlled by a pull-down resistor, the level is low, and a source and a drain of the NMOS are turned off and not conducted, so that a gate of a PMOS transistor is controlled by a pull-up resistor, the level is high, and the source and the drain of the PMOS transistor are turned off and not conducted, and the state of the circuit is that only slight leakage current exists between poles of the NMOS transistor and the PMOS, such as at positions I1, I2, I3 and I4 shown in fig. 5, the current is in a turned-off state of the semiconductor PN junction, and is very slight, and is usually ignored in circuit power consumption, at this time, in an extremely low static power consumption state.
2. Fig. 6 is a schematic diagram of a low power circuit in normal operation of an electronic device according to an embodiment of the present utility model, where after a tact switch is pressed, the switch is turned on, and a main circuit of the device is powered by a battery and operates. After the equipment main circuit operates, the high level is output to the level signal through the output pin of the processor or other control circuits of the equipment main circuit, the grid electrode of the NMOS tube is immediately high level, and the source electrode and the drain electrode are conducted, so that the grid electrode level of the PMOS tube is equivalent to the ground, namely low level, and the source electrode and the drain electrode of the PMOS tube are conducted. After the PMOS tube is conducted, even if the tact switch is lifted up, the power supply state of the main circuit of the device is not affected, the power supply circuit forms a self-locking state, and the power supply conducting state is shown as a dotted arrow in fig. 6.
3. When the main circuit of the device needs to be shut down, the level signal can be controlled to jump to a low level through a processing program or other circuits, and the power supply of the main circuit of the device is disconnected according to the initial state principle of the circuit of the electronic device, and the circuit is restored to the initial state shown in fig. 5, namely, the circuit enters an extremely low static power consumption state.
In the initial state, the static consumption current of the circuit is I1, I2, I3 and I4 shown in fig. 5. According to the current commonly used electrical parameters of the MOS tube, the drain-source leakage current of the gate-source leakage current is not more than 80nA in the cut-off state of the NMOS tube, the drain-source leakage current is not more than 80nA, and the parameters of the PMOS tube and the NMOS are consistent. Taking the maximum leakage current of 80nA as an example, i1+i2+i3+i4=320 na=0.32 μa, the quiescent current is less than 1 μa, which is far lower than that of the common electronic device in the low power consumption state.
According to the embodiment, the low-power-consumption circuit is designed and applied to the electronic equipment, so that the quiescent current consumption in the electronic equipment can reach the nanoampere level, the designed low-power-consumption circuit is suitable for common electronic equipment, the ultra-low quiescent power consumption of the electronic equipment is achieved when the electronic equipment is shut down or is in standby, and meanwhile, the low-power-consumption circuit can enable the electronic equipment to form a self-locking power supply state under the working state of the electronic equipment.
It should be appreciated that various forms of the flows shown above may be used to reorder, add, or delete steps. For example, the steps described in the present utility model may be performed in parallel, sequentially, or in a different order, so long as the desired results of the technical solution of the present utility model are achieved, and the present utility model is not limited herein.
The above embodiments do not limit the scope of the present utility model. It will be apparent to those skilled in the art that various modifications, combinations, sub-combinations and alternatives are possible, depending on design requirements and other factors. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present utility model should be included in the scope of the present utility model.
Claims (10)
1. A low power circuit comprising:
the equipment switch is connected between the power supply and the power input end of the equipment main circuit and can be triggered to be turned on or turned off;
a first switching circuit and a second switching circuit; the first switch circuit comprises a control end, a first end and a second end, and the second switch circuit comprises a control end, a first end and a second end; the control end of the first switch circuit is used for receiving a control signal of the equipment main circuit, the first end of the first switch circuit is connected with the control end of the second switch circuit, the second end of the first switch circuit is grounded, the first end and the second end of the second switch circuit are respectively connected with two ends of the equipment switch, the first switch circuit is used for controlling the connection or disconnection of the second switch circuit according to a signal of the control end of the first switch circuit, and the second switch circuit is in short circuit after being connected.
2. The low power consumption circuit of claim 1, wherein the first switching circuit comprises a first MOS transistor, a first resistor;
the grid electrode of the first MOS tube is connected with the control end of the first switch circuit, the source electrode of the first MOS tube is grounded, and the drain electrode of the first MOS tube is connected with the first end of the first switch circuit;
one end of the first resistor is connected with the grid electrode of the first MOS tube, and the other end of the first resistor is grounded.
3. The low power consumption circuit of claim 2, wherein the second switching circuit comprises a second MOS transistor and a second resistor;
the grid electrode of the second MOS tube is connected with the control end of the second switch circuit, and the drain electrode of the second MOS tube is connected with the first end of the second switch circuit;
the second resistor is connected between the drain electrode and the grid electrode of the second MOS tube.
4. The low power circuit of claim 2, wherein the first MOS transistor comprises an N-type MOS transistor.
5. The low power circuit of claim 3, wherein the second MOS transistor comprises a P-type MOS transistor.
6. An electronic device comprising the low power circuit of any one of claims 1-5, the electronic device further comprising a power supply, a device main circuit, the device main circuit comprising a processor;
the device switch is connected with the power supply and the processor, and the processor is connected with the low-power-consumption circuit.
7. The electronic device of claim 6, wherein the power supply comprises a battery for providing power to the electronic device.
8. The electronic device of claim 7, wherein the device switch comprises a tact switch for turning on or off power provided by the battery to the processor.
9. The electronic device of claim 6, wherein the processor is configured to send a control signal to control the low power consumption circuit to turn on or off.
10. The electronic device of claim 6, wherein the low power circuit is turned on after the device switch is closed, the electronic device forming a "self-locking" power state.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222890362.5U CN219041762U (en) | 2022-10-31 | 2022-10-31 | Low-power-consumption circuit and electronic equipment |
| PCT/CN2023/131658 WO2024094218A1 (en) | 2022-10-31 | 2023-11-14 | Low-power-consumption circuit and electronic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222890362.5U CN219041762U (en) | 2022-10-31 | 2022-10-31 | Low-power-consumption circuit and electronic equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219041762U true CN219041762U (en) | 2023-05-16 |
Family
ID=86313712
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222890362.5U Active CN219041762U (en) | 2022-10-31 | 2022-10-31 | Low-power-consumption circuit and electronic equipment |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN219041762U (en) |
| WO (1) | WO2024094218A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024094218A1 (en) * | 2022-10-31 | 2024-05-10 | 中科信息安全共性技术国家工程研究中心有限公司 | Low-power-consumption circuit and electronic device |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3395404B2 (en) * | 1994-10-19 | 2003-04-14 | 株式会社デンソー | Constant current circuit |
| JP2005268895A (en) * | 2004-03-16 | 2005-09-29 | Toshiba Corp | Switching circuit |
| CN206640342U (en) * | 2017-03-18 | 2017-11-14 | 西安甘鑫电子科技有限公司 | A kind of signal control boot-strap circuit of low-power consumption |
| WO2020047693A1 (en) * | 2018-09-03 | 2020-03-12 | 深圳迈瑞生物医疗电子股份有限公司 | Power supply management circuit |
| CN209233535U (en) * | 2019-01-18 | 2019-08-09 | 歌尔科技有限公司 | A kind of low-power consumption power supply circuit and electronic equipment |
| CN213338364U (en) * | 2020-09-11 | 2021-06-01 | 深圳市当智科技有限公司 | Low-power consumption circuit and smart machine |
| CN213243599U (en) * | 2020-09-30 | 2021-05-18 | 合肥安轩能源有限公司 | BMS low-power consumption dormancy power supply control and awakening circuit |
| CN219041762U (en) * | 2022-10-31 | 2023-05-16 | 长春吉大正元信息技术股份有限公司 | Low-power-consumption circuit and electronic equipment |
-
2022
- 2022-10-31 CN CN202222890362.5U patent/CN219041762U/en active Active
-
2023
- 2023-11-14 WO PCT/CN2023/131658 patent/WO2024094218A1/en unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024094218A1 (en) * | 2022-10-31 | 2024-05-10 | 中科信息安全共性技术国家工程研究中心有限公司 | Low-power-consumption circuit and electronic device |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2024094218A1 (en) | 2024-05-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2021223139A1 (en) | Power on/off control device and electronic equipment | |
| CN101860188B (en) | Switch power supply circuit | |
| CN219041762U (en) | Low-power-consumption circuit and electronic equipment | |
| CN102761239B (en) | Constant current and voltage starting circuit of switch power supply controller | |
| CN101164235B (en) | Integrated circuit, electronic device and integrated circuit control method | |
| CN103959648A (en) | Charge-saving power-gate apparatus and method | |
| CN101212147B (en) | Power voltage supply circuit | |
| CN100344061C (en) | Digital electronic circuit with low power consumption | |
| CN210780130U (en) | Power-off control circuit | |
| CN103376817B (en) | The electronic device of power gating | |
| CN217159265U (en) | Hot plug power control circuit | |
| CN104038194A (en) | Power switch circuit | |
| CN207926553U (en) | A kind of multifunction switch controller | |
| CN103686017B (en) | Power-supplying circuit and the method for realizing smart machine quick turn-on | |
| CN113572357B (en) | Electronic device | |
| CN210404824U (en) | Power supply circuit and electronic equipment | |
| CN110970978A (en) | Battery starting circuit and lithium battery | |
| CN104753145A (en) | Self-locking power switch | |
| CN204578138U (en) | A kind of instrument power supply circuit | |
| CN213585565U (en) | Discharge circuit and power supply device of chip | |
| CN219938328U (en) | Switching circuit and electronic equipment | |
| CN219017529U (en) | Relay driving circuit | |
| CN215870794U (en) | Power supply control circuit and electronic equipment | |
| CN215772585U (en) | Charging circuit | |
| CN110311429A (en) | Low-power dissipation power supply management system and management method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |