CN206686082U - A kind of multiple power supplies device based on integrated regulator - Google Patents
A kind of multiple power supplies device based on integrated regulator Download PDFInfo
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- CN206686082U CN206686082U CN201621374582.0U CN201621374582U CN206686082U CN 206686082 U CN206686082 U CN 206686082U CN 201621374582 U CN201621374582 U CN 201621374582U CN 206686082 U CN206686082 U CN 206686082U
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Abstract
The utility model discloses a kind of multiple power supplies device based on integrated regulator,Including mu balanced circuit,It is by ceramic disc capacitor,Polar capacitor,3.3V integrated regulator,Ceramic disc capacitor and polar capacitor successively composition in parallel,One end connection self-lock switch of the polar capacitor,And the output of 3.3V integrated regulators is controlled by self-lock switch,The self-lock switch is connected with 3.3V power ports and 5V power ports,It provides many places power interface for equipment,The 3.3V power ports and 5V power ports are connected to the two-way Transient Suppression Diodes of 3V and the two-way Transient Suppression Diodes of 5V respectively,Prevent equipment reversal connection from causing to burn out circuit or equipment,The supply unit is by the first current-limiting resistance,Second current-limiting resistance,3rd current-limiting resistance,4th current-limiting resistance,The download program and data communication interface of download program interface and data interaction interface constitution equipment,Its earth terminal connects fuse,Prevent circuit internal short-circuit from causing chip to burn out,It is easy to use,It is flexible and changeable.
Description
Technical field
It the utility model is related to power technique fields, specially a kind of multiple power supplies device based on integrated regulator.
Background technology
At present, known integrated regulator is made up of voltage stabilizing integrated chip and some resistance, some electric capacity.Will be steady
The plant-grid connection in the range of integrated chip receiving is pressed to integrate core by obtaining voltage stabilizing after circuit to the input of integrated regulator
The out-put supply of piece.General integrated regulator, which is only exported inside a port and circuit, easily there is short circuit phenomenon.
Utility model content
There is no easily short circuit phenomenon occur inside multiple supply ports and circuit to solve existing integrated regulator
Deficiency.The utility model provides a kind of multiple power supplies device based on integrated regulator, and the circuit can not only solve to power
Port is single and the problem of short-circuit easily occurs in circuit inside, moreover it is possible to prevents device power supply (DPS) reversal connection.
To realize above-mentioned purposes, the utility model provides following technical scheme：A kind of multichannel based on integrated regulator
Supply unit, including mu balanced circuit, it is by ceramic disc capacitor, polar capacitor, 3.3V integrated regulators, ceramic disc capacitor and polarity electricity
Hold composition in parallel successively, one end connection self-lock switch of the polar capacitor, and the integrated electricity of 3.3V voltage stabilizings is controlled by self-lock switch
The output on road, the self-lock switch are connected with 3.3V power ports and 5V power ports, and it provides many places power interface for equipment,
The 3.3V power ports and 5V power ports are connected to the two-way Transient Suppression Diodes of 3V respectively and the two-way transient states of 5V suppress two poles
Pipe, prevents equipment reversal connection from causing to burn out circuit or equipment, and the supply unit is by the first current-limiting resistance, the second current-limiting resistance, the
Three current-limiting resistances, the 4th current-limiting resistance, the download program and number of download program interface and data interaction interface constitution equipment
According to communication interface, its earth terminal connection fuse, prevent circuit internal short-circuit from causing chip to burn out.
Compared with prior art, the beneficial effects of the utility model are：The utility model, which adds fuse, prevents circuit
Internal short-circuit causes chip to burn out, and adding two-way Transient Suppression Diode prevents device power supply (DPS) reversal connection from burning out equipment or electricity
Road, there is provided multigroup 3.3V and 5V power ports, it is easy to use so that other equipment uses, it is flexible and changeable.
Brief description of the drawings
Fig. 1 is the utility model electrical block diagram.
The two-way Transient Suppression Diodes of 1-5V；The two-way Transient Suppression Diodes of 2-3V；3- ceramic disc capacitors；4- polar capacitors；
5-3.3V integrated regulator；6- ceramic disc capacitors；7- polar capacitors；8-3.3V power port；9-5V power ports；10- self-lockings
Switch；11- fuses；The current-limiting resistances of 12- first；The current-limiting resistances of 13- second；The current-limiting resistances of 14- the 3rd；The current limlitings of 15- the 4th electricity
Resistance；16- download program interfaces；17- data interaction interfaces.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
Embodiment：
Referring to Fig. 1, the utility model provides a kind of technical scheme：A kind of multiple power supplies dress based on integrated regulator
Put, including mu balanced circuit, it is by ceramic disc capacitor 3, polar capacitor 4,3.3V integrated regulators 5, ceramic disc capacitor 6 and polar capacitor
7 composition in parallel, one end connection self-lock switch 10 of the polar capacitor 7, and 3.3V voltage stabilizing collection is controlled by self-lock switch 10 successively
Into the output of circuit 5；Two OUT terminal mouths of the 3.3V integrated regulators 5 be connected to ceramic disc capacitor 3, polar capacitor 4 it is same
One end, and the other end ground connection of ceramic disc capacitor 3, polar capacitor 4, the IN ports of the 3.3V integrated regulators 5 are connected to self-locking
The TAP1 ports and TAP2 ports of switch 10, its GND end is connected to download program interface 16 by fuse and data interaction connects
The earth terminal of mouth 17.
The TAP1 ports and TAP2 ports of the self-lock switch 10 are connected with 3.3V power ports 8 and 5V power ports 9, its
Many places power interface is provided for equipment, the 3.3V power ports 8 and 5V power ports 9 are connected to the two-way transient states of 3V and suppress two respectively
Pole pipe 2 and the two-way Transient Suppression Diodes 1 of 5V, prevent equipment reversal connection from causing to burn out circuit or equipment, and the supply unit is by
One current-limiting resistance 12, the second current-limiting resistance 13, the 3rd current-limiting resistance 14, the 4th current-limiting resistance 15, download program interface 16 and
The download program and data communication interface of the constitution equipment of data interaction interface 17, its earth terminal connection fuse 11, prevent electricity
Road internal short-circuit causes chip to burn out；
The D+ ports of described program download interface 16 are connected to the electricity of 3.3V integrated regulators 5 by the first current-limiting resistance 12
Source, its VCC port is connected to the VCC ports of the I/O1 ports of self-lock switch 10, I/O2 ports and data interactive interface 17, described
The D+ ports of data interaction interface 17 are connected to the power end of 3.3V integrated regulators 5 by the second current-limiting resistance 13, and in parallel
One the 3rd current-limiting resistance 14, its D- port connect the 4th current-limiting resistance 15.
The utility model, which adds fuse, prevents circuit internal short-circuit from causing chip to burn out, and adds two-way transient state and suppresses
Diode prevents device power supply (DPS) reversal connection from burning out equipment or circuit, there is provided multigroup 3.3V and 5V power ports, so that other set
It is standby to use, it is easy to use, it is flexible and changeable.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
All any modification, equivalent and improvement made within the spirit and principle of utility model etc., should be included in the utility model
Protection domain within.
Claims (1)
1. a kind of multiple power supplies device based on integrated regulator, it is characterised in that including mu balanced circuit, it is by ceramic disc capacitor
(3), polar capacitor (4), 3.3V integrated regulators (5), ceramic disc capacitor (6) and polar capacitor (7) successively composition in parallel, it is described
One end connection self-lock switch (10) of polar capacitor (7), and the defeated of 3.3V integrated regulators (5) is controlled by self-lock switch (10)
Go out, the self-lock switch (10) is connected with 3.3V power ports (8) and 5V power ports (9), and it provides many places power supply for equipment
Interface, the 3.3V power ports (8) and 5V power ports (9) are connected to the two-way Transient Suppression Diodes of 3V (2) respectively and 5V is double
To Transient Suppression Diode (1), prevent equipment reversal connection from causing to burn out circuit or equipment, the supply unit is by the first current-limiting resistance
(12), the second current-limiting resistance (13), the 3rd current-limiting resistance (14), the 4th current-limiting resistance (15), download program interface (16) and
The download program and data communication interface of data interaction interface (17) constitution equipment, its earth terminal connection fuse (11), prevent
Only circuit internal short-circuit causes chip to burn out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621374582.0U CN206686082U (en) | 2016-12-14 | 2016-12-14 | A kind of multiple power supplies device based on integrated regulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621374582.0U CN206686082U (en) | 2016-12-14 | 2016-12-14 | A kind of multiple power supplies device based on integrated regulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206686082U true CN206686082U (en) | 2017-11-28 |
Family
ID=60395669
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621374582.0U Expired - Fee Related CN206686082U (en) | 2016-12-14 | 2016-12-14 | A kind of multiple power supplies device based on integrated regulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206686082U (en) |
-
2016
- 2016-12-14 CN CN201621374582.0U patent/CN206686082U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171128 Termination date: 20181214 |
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| CF01 | Termination of patent right due to non-payment of annual fee |