CN208849504U - A kind of controller power supply circuit and vibrator - Google Patents
A kind of controller power supply circuit and vibrator Download PDFInfo
- Publication number
- CN208849504U CN208849504U CN201821667507.2U CN201821667507U CN208849504U CN 208849504 U CN208849504 U CN 208849504U CN 201821667507 U CN201821667507 U CN 201821667507U CN 208849504 U CN208849504 U CN 208849504U
- Authority
- CN
- China
- Prior art keywords
- channel field
- pipe
- peft
- effect transistor
- power supply
- 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.)
- Expired - Fee Related
Links
Landscapes
- Direct Current Feeding And Distribution (AREA)
Abstract
The utility model relates to a kind of controller power supply circuits, including P-channel field-effect transistor (PEFT) pipe Q1, pull down resistor R1, current-limiting resistance R2, two diode D1, D2, dry cell E1 and USB interface, the anode of the dry cell E1 connects the source electrode of the P-channel field-effect transistor (PEFT) pipe Q1, the cathode ground connection of dry cell E1；The grid of P-channel field-effect transistor (PEFT) pipe Q1 is grounded after pull down resistor R1；The anode of USB interface is successively in parallel with P-channel field-effect transistor (PEFT) pipe Q1 drain electrode after diode D2, D1 to be used as voltage output VCC, and the cathode of USB interface is grounded, and the cathode of the diode D2 meets P-channel field-effect transistor (PEFT) pipe Q1 through current-limiting resistance R2.Dry cell and USB port input the two separate modes of independent power supply to circuit.The utility model can effectively obstruct reverse charging of the USB port to dry cell, prevent dry cell from exploding because of overtension.
Description
Technical field
The utility model relates to a kind of controller power supply circuit and with the vibrator of the power supply circuit.
Background technique
Instantly, national economy and scientific and technological level greatly improve, and are also increasing the demand of compact electric apparatus, and compact electric apparatus
Power supply module be its critically important component part.As people are to low-power consumption, the raising of low consumed requirement is most on the market
Electric appliance microcontroller needed for voltage be probably 3.3V and two kinds of 5V, and it is excessively single to its power supply mode, filled in USB
More universal present of power mode, it is necessary to common batteries power supply and USB power supply both of which be combined, realize that low-power consumption supplies
Electricity.
Summary of the invention
The technical problems to be solved in the utility model be overcome above-mentioned conventional batteries in the prior art for electric consumption it is too fast with
And the deficiency that powering mode is single, replacement is not convenient, propose a kind of controller power supply circuit.
The technical solution that the utility model proposes to solve above-mentioned technical problem is: a kind of controller power supply circuit, including P
Channel field-effect pipe Q1, pull down resistor R1, current-limiting resistance R2, two diode D1, D2, dry cell E1 and USB interface, it is described dry
The anode of battery E1 connects the source electrode of the P-channel field-effect transistor (PEFT) pipe Q1, the cathode ground connection of dry cell E1；P-channel field-effect transistor (PEFT) pipe Q1
Grid be grounded after pull down resistor R1；The anode of USB interface successively leaks after diode D2, D1 with P-channel field-effect transistor (PEFT) pipe Q1
Extremely in parallel to be used as voltage output VCC, the cathode of USB interface is grounded, and the cathode of the diode D2 connects P-channel through current-limiting resistance R2
Field-effect tube Q1.
In addition, the present invention also proposes a kind of vibrator, it is characterised in that: have controller power supply circuit above-mentioned, vibration
Motor, the controller for controlling the vibrating motor, N-channel field-effect tube Q2 and current-limiting resistance R3, the controller power supply electricity
The voltage output VCC on road connects the power input of controller and the electrode input end of vibrating motor, the cathode of vibrating motor respectively
Input connects the drain electrode of N-channel field-effect tube Q2, and the control signal output of controller connects N-channel field-effect through current-limiting resistance
The grid of pipe Q2, the source electrode ground connection of N-channel field-effect tube Q2.
The utility model power supply circuit has the following two kinds to the powering mode of controller:
1. the grid of P-channel field-effect transistor (PEFT) pipe Q1 is low, P-channel field-effect transistor (PEFT) pipe Q1 conducting, at this moment by electricity when not inserting USB
Pond power supply.
2. the grid of P-channel field-effect transistor (PEFT) pipe Q1 is height when being inserted into USB, P-channel field-effect transistor (PEFT) pipe Q1 is turned off, and battery does not supply
Electricity is powered by USB.
The beneficial effects of the utility model are as follows: dry cell and USB port input are to the two separate modes of independent of circuit
Power supply.Reverse charging of the USB port to dry cell can be effectively obstructed, prevents dry cell from exploding because of overtension.
Detailed description of the invention
The utility model is described further with reference to the accompanying drawing.
Fig. 1 is the circuit diagram of vibrator.
Specific embodiment
The electrical schematic diagram of the vibrator of the present embodiment is as shown in Figure 1.In whole control circuit, E1 is the dry electricity of two section 1.5V
Pond, R1 pull down resistor, R2 and R3 are current-limiting resistance.Q1 is P-channel field-effect transistor (PEFT) pipe, to battery power supply control.Q2 is N-channel field effect
Ying Guan, for realizing motor driven.D1, D2 are Schottky diode, for blocking battery to power to USB.
Vibrator has controller power supply circuit, vibrating motor M, the controller for controlling the vibrating motor, N-channel field
The voltage output VCC of effect pipe Q2 and current-limiting resistance R3, controller power supply circuit connect power input and the vibration of controller respectively
The electrode input end of dynamic motor, the negative input of vibrating motor connect the drain electrode of N-channel field-effect tube Q2, the control of controller
Signal output end connects the grid of N-channel field-effect tube Q2, the source electrode ground connection of N-channel field-effect tube Q2 through current-limiting resistance.
Wherein, controller power supply circuit includes P-channel field-effect transistor (PEFT) pipe Q1, pull down resistor R1, current-limiting resistance R2, two two poles
Pipe D1, D2, dry cell E1 and USB interface, the anode of dry cell E1 connect the source electrode of the P-channel field-effect transistor (PEFT) pipe Q1, dry cell
The cathode of E1 is grounded；The grid of P-channel field-effect transistor (PEFT) pipe Q1 is grounded after pull down resistor R1；The anode of USB interface is successively through two poles
In parallel with P-channel field-effect transistor (PEFT) pipe Q1 drain electrode after pipe D2, D1 to be used as voltage output VCC, the cathode of USB interface is grounded, diode D2
Cathode meet P-channel field-effect transistor (PEFT) pipe Q1 through current-limiting resistance R2.
The present embodiment has the following two kinds to the powering mode of controller:
1. when not inserting USB, the grid S of Q1 be it is low, at this moment Q1 conducting is battery powered.
2. the grid S of Q1 is height when being inserted into USB, Q1 is turned off, and battery does not power, powered by USB.
The utility model is not limited to the various embodiments described above, and all technical solutions formed using equivalent replacement are all fallen within
The protection scope of the requires of the utility model.
Claims (4)
1. a kind of controller power supply circuit, including P-channel field-effect transistor (PEFT) pipe Q1, pull down resistor R1, current-limiting resistance R2, two diodes
D1, D2, dry cell E1 and USB interface, the anode of the dry cell E1 connect the source electrode of the P-channel field-effect transistor (PEFT) pipe Q1, do electricity
The cathode of pond E1 is grounded；The grid of P-channel field-effect transistor (PEFT) pipe Q1 is grounded after pull down resistor R1；The anode of USB interface is successively through two
In parallel with P-channel field-effect transistor (PEFT) pipe Q1 drain electrode after pole pipe D2, D1 to be used as voltage output VCC, the cathode of USB interface is grounded, and described two
The cathode of pole pipe D2 meets P-channel field-effect transistor (PEFT) pipe Q1 through current-limiting resistance R2.
2. controller power supply circuit according to claim 1, it is characterised in that: the diode D1 and D2 is Schottky two
Pole pipe.
3. a kind of vibrator, it is characterised in that: have controller power supply circuit as claimed in claim 1 or 2, vibrating motor,
For controlling the controller, N-channel field-effect tube Q2 and current-limiting resistance R3 of the vibrating motor, the electricity of the controller power supply circuit
Pressure output VCC connects the power input of controller and the electrode input end of vibrating motor, the negative input of vibrating motor respectively
The drain electrode of N-channel field-effect tube Q2 is connect, the control signal output of controller connects N-channel field-effect tube Q2's through current-limiting resistance
Grid, the source electrode ground connection of N-channel field-effect tube Q2.
4. vibrator according to claim 3, it is characterised in that: controller has ground terminal, the ground terminal ground connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821667507.2U CN208849504U (en) | 2018-10-15 | 2018-10-15 | A kind of controller power supply circuit and vibrator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821667507.2U CN208849504U (en) | 2018-10-15 | 2018-10-15 | A kind of controller power supply circuit and vibrator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208849504U true CN208849504U (en) | 2019-05-10 |
Family
ID=66375534
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821667507.2U Expired - Fee Related CN208849504U (en) | 2018-10-15 | 2018-10-15 | A kind of controller power supply circuit and vibrator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208849504U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112383250A (en) * | 2020-11-10 | 2021-02-19 | 陈波 | Drive circuit for single-phase direct-current brushless position-sensorless motor |
| CN112398241A (en) * | 2020-11-10 | 2021-02-23 | 陈波 | Single-phase direct-current brushless position-sensorless motor and fan formed by same |
-
2018
- 2018-10-15 CN CN201821667507.2U patent/CN208849504U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112383250A (en) * | 2020-11-10 | 2021-02-19 | 陈波 | Drive circuit for single-phase direct-current brushless position-sensorless motor |
| CN112398241A (en) * | 2020-11-10 | 2021-02-23 | 陈波 | Single-phase direct-current brushless position-sensorless motor and fan formed by same |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206481069U (en) | Battery sampling integrated chip wake-up circuit and battery energy storage system | |
| CN208849504U (en) | A kind of controller power supply circuit and vibrator | |
| CN110797946B (en) | Battery pack charge-discharge protection system | |
| CN206099459U (en) | A activation circuit for battery management system | |
| WO2021258366A1 (en) | Control circuit, battery management system and electrochemical device | |
| CN108964205A (en) | Driving circuit and aroma diffusing equipment | |
| CN105072779B (en) | A kind of solar street lamp controller of the commercial power charged function of band | |
| CN103532533B (en) | A kind of power supply timing management circuit | |
| CN103326433A (en) | Power supply control circuit for portable device and portable monitor | |
| CN212366898U (en) | Power supply control circuit and thermal printer | |
| CN113890131A (en) | Waterproof protection method for low-cost battery charging interface | |
| CN111987775A (en) | Power supply control circuit and thermal printer | |
| CN101556461B (en) | Power supply circuit | |
| CN206640390U (en) | A kind of low voltage difference dc source and battery powered automatic switch-over circuit | |
| CN202906569U (en) | Internal and external power-supply switching circuit for electric energy meter | |
| CN206226268U (en) | A kind of on-off circuit | |
| CN219552884U (en) | Circuit for generating power supply voltage from chip communication terminal | |
| CN211556963U (en) | Switchable same-port output control circuit suitable for 3D printing pen with battery | |
| CN215185914U (en) | Standby zero-power-consumption circuit applied to battery power supply equipment | |
| CN218630738U (en) | Low-power consumption singlechip power supply circuit | |
| CN218940696U (en) | Low-power consumption dormancy awakening circuit | |
| CN219176535U (en) | Speed regulation auxiliary control circuit based on water pump control panel | |
| CN215956262U (en) | Power supply time sequence management circuit of high-power motor controller | |
| CN209786811U (en) | Circuit for effectively reducing reverse discharge of battery | |
| CN209767208U (en) | Self-switching circuit of polymer lithium battery based on USB charging |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Nanjing Fogg Electric Co., Ltd. Assignor: Nanjing Forestry University Contract record no.: X2019320000180 Denomination of utility model: Controller power supply circuit and vibrator Granted publication date: 20190510 License type: Common License Record date: 20191029 Assignee: Chuzhou Monte tech Environmental Protection Technology Co., Ltd. Assignor: Nanjing Forestry University Contract record no.: X2019320000181 Denomination of utility model: Controller power supply circuit and vibrator Granted publication date: 20190510 License type: Common License Record date: 20191029 Assignee: Anhui Arrow Electronics Co., Ltd. Assignor: Nanjing Forestry University Contract record no.: X2019320000182 Denomination of utility model: Controller power supply circuit and vibrator Granted publication date: 20190510 License type: Common License Record date: 20191029 |
|
| EE01 | Entry into force of recordation of patent licensing contract | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190510 Termination date: 20201015 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |