CN210468851U - Novel standby control circuit - Google Patents
Novel standby control circuit Download PDFInfo
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- CN210468851U CN210468851U CN201921577944.XU CN201921577944U CN210468851U CN 210468851 U CN210468851 U CN 210468851U CN 201921577944 U CN201921577944 U CN 201921577944U CN 210468851 U CN210468851 U CN 210468851U
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Abstract
The utility model discloses a novel standby control circuit, it includes: the MCU chip, the battery, connect between MCU chip and battery and be used for controlling the first MOS pipe that MCU chip and battery switched on, the key switch who is connected with the MCU chip, the second MOS pipe of being connected with first MOS pipe, and the G utmost point of second MOS pipe is connected the MCU chip. When the product needs to work, the D pole and the S pole are conducted after the G pole voltage of the first MOS tube is pulled down by pressing the key switch; the MCU chip controls the second MOS tube to be conducted after detecting the switching signal, the G pole of the first MOS tube is locked at low voltage at the moment, and the product continuously works. After the key switch is pressed down again, the MCU chip detects that the switching signal cancels and switches on the second MOS tube, the G pole of the first MOS tube becomes high voltage, the D pole and the S pole of the first MOS tube can not be switched on, and the initial state is returned to, so circulation is realized, the function of realizing no standby current can be well, the product can be high-quality, the cost is not increased, and the service life is prolonged.
Description
The technical field is as follows:
the utility model relates to an electronic circuit technical field refers in particular to a novel standby control circuit.
Background art:
with the rapid development of electronic technology, the application field of charged battery equipment is continuously widened, battery power supply becomes an important choice, but many charged battery equipment have current in standby, so that the power consumption is high, the charging and discharging cycle time of the battery is shortened, the service life of the battery is shortened, and the convenience of using the charged battery equipment powered by the battery is influenced by frequent charging processes.
In view of the above, the present inventors propose the following.
The utility model has the following contents:
an object of the utility model is to overcome prior art not enough, provide a novel standby control circuit.
In order to solve the technical problem, the utility model discloses a following technical scheme: this novel standby control circuit includes: the MCU chip, the battery, connect between MCU chip and battery and be used for controlling the first MOS pipe that MCU chip and battery switched on, the key switch who is connected with the MCU chip, the second MOS pipe of being connected with this first MOS pipe, and the G utmost point of this second MOS pipe is connected the MCU chip.
Further, in the above technical solution, the G pole of the first MOS transistor is connected to the D pole of the second MOS transistor, the S pole of the first MOS transistor is connected to the boost port of the MCU chip, and the D pole of the first MOS transistor is connected to the battery; the S pole of the second MOS tube is grounded.
Further, in the above technical solution, the model of the first MOS transistor is NCE 2301E; the model of the second MOS tube is RK 7002.
Further, in the above technical solution, the S-pole of the first MOS transistor is connected to the first schottky diode and the first inductor, and then connected to the boost port of the MCU chip, where the model of the first schottky diode is BAT 54C.
Furthermore, in the above technical solution, one end of the key switch is grounded, and the other end of the key switch is connected to the MCU chip after being connected to the second schottky diode, and two ends of the key switch are connected in parallel to a capacitor C1, where the model of the second schottky diode is BAT 54C.
Further, in the above technical solution, the model of the MCU chip is HT45F 3530.
Further, in the above technical solution, the charger power supply circuit further includes a charger power supply circuit, the charger power supply circuit includes a diode D2, a resistor R7 and a transistor Q3 which are connected in sequence, an e pole of the transistor Q3 is connected to the first schottky diode, a b pole of the transistor Q3 is connected to the voltage regulator ZD1 and then grounded, and a c pole of the transistor Q3 is connected to the resistor R7.
After the technical scheme is adopted, compared with the prior art, the utility model has following beneficial effect: when the product needs to work, the D pole and the S pole are conducted after the G pole voltage of the first MOS tube is pulled down by pressing the key switch; after the MCU chip detects a switching signal, the second MOS tube is controlled to be conducted, the G pole of the first MOS tube can be locked at low voltage at the moment, and the product continuously works. After the key switch is pressed again, the MCU chip detects that the switching signal cancels the conduction of the second MOS tube, the G pole of the first MOS tube becomes high voltage, the D pole and the S pole of the first MOS tube can not be conducted, and the initial state is returned, and the process is repeated. Therefore, the utility model discloses the realization that can be fine does not have standby current function, makes the product possible not incremental cost simultaneously of high-quality to improve life, the order the utility model discloses extremely strong market competition has.
Description of the drawings:
fig. 1 is a circuit diagram of the present invention.
The specific implementation mode is as follows:
the present invention will be further described with reference to the following specific embodiments and accompanying drawings.
As shown in fig. 1, a novel standby control circuit is provided, which includes: MCU chip 1, battery 2, connect between MCU chip 1 and battery 2 and be used for controlling the first MOS pipe 3 that MCU chip 1 and battery 2 switched on, the key switch 4 who is connected with MCU chip 1, the second MOS pipe 5 who is connected with this first MOS pipe 3, and the G utmost point of this second MOS pipe 5 is connected MCU chip 1. When the product is in standby, the first MOS tube 3 is not conducted, the MCU chip does not work, and current cannot be consumed. When the product needs to work, the D pole and the S pole are conducted after the G pole voltage of the first MOS tube 3 is pulled down by pressing the key switch; after the MCU chip detects a switching signal, the second MOS tube 5 is controlled to be switched on, the G pole of the first MOS tube is locked at low voltage at the moment, and the product continuously works. After the key switch is pressed again, the MCU chip detects that the switch signal cancels the conduction of the second MOS tube 5, the G pole of the first MOS tube 3 becomes high voltage, the D pole and the S pole of the first MOS tube 3 can not be conducted, and then the initial state is returned, and the process is repeated. Therefore, the utility model discloses the realization that can be fine does not have standby current function, makes the product possible not incremental cost simultaneously of high-quality to improve life, the order the utility model discloses extremely strong market competition has.
The G pole of the first MOS tube 3 is connected with the D pole of the second MOS tube 5, the S pole of the first MOS tube 3 is connected with the boosting port of the MCU chip 1, and the D pole of the first MOS tube 3 is connected with the battery 2; the S-pole of the second MOS transistor 5 is grounded. The model of the first MOS tube 3 is NCE 2301E; the model of the second MOS tube 5 is RK 7002.
The S pole of the first MOS tube 3 is connected with a first Schottky diode 31 and a first inductor 32 and then connected with the boost port of the MCU chip 1, and the type of the first Schottky diode 31 is BAT 54C.
One end of the key switch 4 is grounded, the other end of the key switch is connected with the MCU chip 1 after being connected with the second Schottky diode 41, the two ends of the key switch 4 are connected with a capacitor C1 in parallel, and the model of the second Schottky diode 41 is BAT 54C.
The model of the MCU chip 1 is HT45F 3530.
The utility model discloses still include charger power supply circuit 6, this charger power supply circuit 6 is including diode D2, resistance R7 and triode Q3 that connect gradually, and this triode Q3's the e utmost point is connected first schottky diode 31, ground connection behind the stabilivolt ZD1, this triode Q3's the c utmost point connecting resistance R7 are connected to the b utmost point of this triode Q3.
In summary, when the product needs to work, the D pole and the S pole are conducted after the G-pole voltage of the first MOS transistor 3 is pulled down by pressing the key switch; after the MCU chip detects a switching signal, the second MOS tube 5 is controlled to be switched on, the G pole of the first MOS tube is locked at low voltage at the moment, and the product continuously works. After the key switch is pressed again, the MCU chip detects that the switch signal cancels the conduction of the second MOS tube 5, the G pole of the first MOS tube 3 becomes high voltage, the D pole and the S pole of the first MOS tube 3 can not be conducted, and then the initial state is returned, and the process is repeated. Therefore, the utility model discloses the realization that can be fine does not have standby current function, makes the product possible not incremental cost simultaneously of high-quality to improve life, the order the utility model discloses extremely strong market competition has.
Of course, the above description is only an exemplary embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent changes and modifications made by the constructions, features, and principles of the present invention in accordance with the claims of the present invention are intended to be included in the scope of the present invention.
Claims (7)
1. A novel standby control circuit is characterized in that: it includes: MCU chip (1), battery (2), connect between MCU chip (1) and battery (2) and be used for controlling first MOS pipe (3) that MCU chip (1) and battery (2) switched on, key switch (4) of being connected with MCU chip (1), second MOS pipe (5) of being connected with this first MOS pipe (3), and the G utmost point of this second MOS pipe (5) is connected MCU chip (1).
2. The novel standby control circuit of claim 1, wherein: the G pole of the first MOS tube (3) is connected with the D pole of the second MOS tube (5), the S pole of the first MOS tube (3) is connected with the boosting port of the MCU chip (1), and the D pole of the first MOS tube (3) is connected with the battery (2); the S pole of the second MOS tube (5) is grounded.
3. The novel standby control circuit of claim 1, wherein: the model of the first MOS tube (3) is NCE 2301E; the model of the second MOS tube (5) is RK 7002.
4. A novel standby control circuit according to any one of claims 1-3, characterized in that: the S pole of the first MOS tube (3) is connected with a first Schottky diode (31) and a first inductor (32) and then is connected with the boost port of the MCU chip (1), and the type of the first Schottky diode (31) is BAT 54C.
5. The novel standby control circuit of claim 4, wherein: one end of the key switch (4) is grounded, the other end of the key switch is connected with the second Schottky diode (41) and then is connected with the MCU chip (1), the two ends of the key switch (4) are connected with a capacitor C1 in parallel, and the model of the second Schottky diode (41) is BAT 54C.
6. The novel standby control circuit of claim 1, wherein: the type of the MCU chip (1) is HT45F 3530.
7. The novel standby control circuit of claim 4, wherein: the charger power supply circuit (6) comprises a diode D2, a resistor R7 and a triode Q3 which are sequentially connected, the e pole of the triode Q3 is connected with the first Schottky diode (31), the b pole of the triode Q3 is connected with a voltage stabilizing tube ZD1 and then grounded, and the c pole of the triode Q3 is connected with the resistor R7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921577944.XU CN210468851U (en) | 2019-09-20 | 2019-09-20 | Novel standby control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921577944.XU CN210468851U (en) | 2019-09-20 | 2019-09-20 | Novel standby control circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210468851U true CN210468851U (en) | 2020-05-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921577944.XU Active CN210468851U (en) | 2019-09-20 | 2019-09-20 | Novel standby control circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210468851U (en) |
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2019
- 2019-09-20 CN CN201921577944.XU patent/CN210468851U/en active Active
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