CN108156719A - Illuminating lamp driving circuit and the robot that paddles - Google Patents
Illuminating lamp driving circuit and the robot that paddles Download PDFInfo
- Publication number
- CN108156719A CN108156719A CN201810103900.7A CN201810103900A CN108156719A CN 108156719 A CN108156719 A CN 108156719A CN 201810103900 A CN201810103900 A CN 201810103900A CN 108156719 A CN108156719 A CN 108156719A
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- circuit
- voltage
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- driving chip
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Classifications
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/30—Driver circuits
- H05B45/395—Linear regulators
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/10—Controlling the intensity of the light
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- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The present invention provides a kind of illuminating lamp driving circuits and the robot that paddles, and belong to headlamp actuation techniques field.The robot that paddles of illuminating lamp driving circuit provided in an embodiment of the present invention and the application illuminating lamp driving circuit, illuminating lamp driving circuit include sequentially connected power module, input control circuit, driving chip, adjusting and voltage-reduction switch power circuit, output circuit and light source interface.Input control circuit is for connecting power supply and control signal, and the control signal that driving chip is inputted according to input control circuit, the brightness of lighting source that control output circuit adjusting is connect with light source interface is, it can be achieved that linear regulation brightness.The electric current that adjusting and voltage-reduction switch power circuit is used to be maintained to flow through lighting source is constant, realizes that output voltage is adaptive.
Description
Technical field
The present invention relates to headlamp actuation techniques field, in particular to a kind of illuminating lamp driving circuit and machine of paddling
Device people.
Background technology
LED illumination is as a kind of new industry technology, constantly developing widely application.How to drive and control
LED light source is a key link in LED technology, at present usually using metal-oxide-semiconductor or triode control LED light source work.
Fig. 1 is a kind of illumination driving circuit of the prior art, as shown in Figure 1, in the driving circuit light source interface J1 one
A pin connects power supply VDD by resistance, another pin is connect with the drain electrode of metal-oxide-semiconductor unit U1, metal-oxide-semiconductor unit U1's
Source electrode is grounded, and is passed through resistance R3 and connect with the grid of metal-oxide-semiconductor unit U1.The grid of metal-oxide-semiconductor unit U1 is connected by resistance R2
Onto the PWM output terminals of control chip.The pwm signal that metal-oxide-semiconductor unit is sent according only to control chip controls lighting source, adaptive
Answering property is poor, and shining for headlamp is unstable.When the duty of pwm signal is bigger, the power of headlamp is larger, easily will illumination
Lamp is burnt out.
Invention content
For the above-mentioned prior art the problem of, the present invention provides a kind of illuminating lamp driving circuits and machine of paddling
People makes lighting source stable luminescence, it can be achieved that linear regulation brightness, reduces the probability that headlamp is burned.
In a first aspect, an embodiment of the present invention provides a kind of illuminating lamp driving circuit, including sequentially connected power module,
Input control circuit, driving chip, adjusting and voltage-reduction switch power circuit, output circuit and light source interface；
The power module is input control circuit, driving chip, adjusting and voltage-reduction switch power supply for exporting constant voltage
Circuit, output circuit and light source interface provide electric energy；
The input control circuit controls signal for connecting, the output terminal of the input control circuit and the driving core
The input terminal connection of piece；
The light source interface is used to connect lighting source；
The driving chip is used for the control signal inputted according to the input control circuit, and control output circuit adjusts institute
State the brightness of lighting source；
The electric current that the adjusting and voltage-reduction switch power circuit is used to be maintained to flow through lighting source is constant, realizes that output voltage is adaptive
It should.
With reference to first aspect, an embodiment of the present invention provides the first possible embodiment of first aspect, wherein, institute
It states input control circuit and includes power supply input circuit and control signal input circuit；
The input terminal of the power supply input circuit is connect with the power module, the output terminal of the power supply input circuit with
The power input pin connection of the driving chip；
The control signal input circuit is connect with the input control pin of the driving chip.
With reference to first aspect, an embodiment of the present invention provides second of possible embodiment of first aspect, wherein, institute
It states adjusting and voltage-reduction switch power circuit and includes bootstrap capacitor, diode and inductance；
The diode is connected in series in the driving chip with the output circuit, the inductance and the bootstrap capacitor
Switch output pin and switch input pin between；
One end ground connection that the diode is connect with the output circuit.
With reference to first aspect, an embodiment of the present invention provides the third possible embodiment of first aspect, wherein, institute
State circuit and further include feedback protection circuit, the feedback protection circuit be connected to the light source interface and the driving chip it
Between, it is used to implement overvoltage protection or overcurrent protection.
The third possible embodiment with reference to first aspect, an embodiment of the present invention provides the 4th kind of first aspect
Possible embodiment, wherein, the feedback protection circuit includes current detection circuit, and the current detection circuit includes connection
Current sampling resistor between the current feedback pin of the driving chip and the light source interface.
The third possible embodiment with reference to first aspect, an embodiment of the present invention provides the 5th kind of first aspect
Possible embodiment, wherein, the feedback protection circuit includes voltage detecting circuit, and the voltage detecting circuit is connected to institute
It states between the overvoltage protection pin of driving chip and the light source interface.
The 5th kind of possible embodiment with reference to first aspect, an embodiment of the present invention provides the 6th kind of first aspect
Possible embodiment, wherein, the voltage detecting circuit includes two divider resistances being connected in series with, between two divider resistances
Voltage sample point connect with the overvoltage protection pin of the driving chip.
With reference to first aspect, an embodiment of the present invention provides the 7th kind of possible embodiment of first aspect, wherein, institute
It states circuit and further includes anti-clutter circuit, the anti-clutter circuit is connected to the switch output pin of the driving chip and reference electricity
Between pressing pin, including the filter capacitor and filter resistance being connected in series with.
With reference to first aspect, an embodiment of the present invention provides the 8th kind of possible embodiment of first aspect, wherein, institute
It states power module and includes power supply chip, the current supply circuit being connect with the power supply chip, filter circuit and output voltage feedback electricity
Road.
Second aspect, the embodiment of the present invention additionally provides one kind and paddles robot, including headlamp and above-mentioned headlamp
Driving circuit.
The embodiment of the present invention brings following advantageous effect：
The robot that paddles of illuminating lamp driving circuit provided in an embodiment of the present invention and the application illuminating lamp driving circuit, shines
Bright lamp driving circuit include sequentially connected power module, input control circuit, driving chip, adjusting and voltage-reduction switch power circuit,
Output circuit and light source interface.Input control circuit is for connecting power supply and control signal, and driving chip is according to input control electricity
The control signal of road input, the brightness of lighting source that control output circuit adjusting is connect with light source interface is, it can be achieved that linear adjust
Brightness is saved, makes lighting source stable luminescence.The electric current that adjusting and voltage-reduction switch power circuit is used to be maintained to flow through lighting source is constant, real
Existing output voltage is adaptive.
Other features and advantages of the present invention will illustrate in the following description, also, partly become from specification
It obtains it is clear that being understood by implementing the present invention.The purpose of the present invention and other advantages are in specification, claims
And specifically noted structure is realized and is obtained in attached drawing.
For the above objects, features and advantages of the present invention is enable to be clearer and more comprehensible, preferred embodiment cited below particularly, and coordinate
Appended attached drawing, is described in detail below.
Description of the drawings
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution of the prior art
Embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, in being described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, can also be obtained according to these attached drawings other attached drawings.
Fig. 1 is a kind of circuit diagram of illuminating lamp driving circuit of the prior art；
The circuit structure block diagram for the illuminating lamp driving circuit that Fig. 2 is provided by one embodiment of the invention；
The circuit diagram for the power module that Fig. 3 is provided by first embodiment of the invention；
The circuit diagram for the illuminating lamp driving circuit that Fig. 4 is provided by first embodiment of the invention；
The circuit structure block diagram for the illuminating lamp driving circuit that Fig. 5 is provided by second embodiment of the invention；
The circuit diagram for the illuminating lamp driving circuit that Fig. 6 is provided by second embodiment of the invention.
Icon：
1- power modules；11- current supply circuits；12- filter circuits；13- output voltage feedback circuits；2- input controls electricity
Road；3- driving chips；4- adjusting and voltage-reduction switch power circuits；5- output circuits；6- light source interfaces；7- feedback protection circuits；8- prevents
Interfere circuit.
Specific embodiment
Purpose, technical scheme and advantage to make the embodiment of the present invention are clearer, below in conjunction with attached drawing to the present invention
Technical solution be clearly and completely described, it is clear that described embodiment be part of the embodiment of the present invention rather than
Whole embodiments.The component of embodiments of the present invention, which are generally described and illustrated herein in the accompanying drawings can be matched with a variety of different
It puts to arrange and design.Therefore, the detailed description of the embodiment of the present invention to providing in the accompanying drawings is not intended to limit below
The range of claimed invention, but it is merely representative of the selected embodiment of the present invention.Based on the embodiments of the present invention, originally
Field those of ordinary skill all other embodiments obtained without making creative work, belong to the present invention
The range of protection.
The problem of easily burning out headlamp for existing metal-oxide-semiconductor driving lighting source, an embodiment of the present invention provides one
The robot that paddles of kind illuminating lamp driving circuit and the application illuminating lamp driving circuit below first drives the headlamp of the present invention
Dynamic circuit describes in detail.
Embodiment one
Present embodiments provide a kind of illuminating lamp driving circuit.Fig. 2 shows the headlamps that the embodiment provides to drive electricity
The circuit structure block diagram on road, Fig. 3 show the circuit diagram for the power module that the embodiment provides；Fig. 4 shows the implementation
The circuit diagram for the illuminating lamp driving circuit that example provides.As shown in Figures 2 to 4, illuminating lamp driving circuit, including connecting successively
Power module 1, input control circuit 2, driving chip 3, adjusting and voltage-reduction switch power circuit 4, output circuit 5 and the light source interface connect
6, further include feedback protection circuit 7.
Power module 1 is input control circuit 2, driving chip 3, adjusting and voltage-reduction switch power supply for exporting constant voltage
Circuit 4, output circuit 5 and light source interface 6 provide electric energy.
As shown in figure 3, power module 1 includes power supply chip U4, the current supply circuit 11 being connect with power supply chip U4, filtered electrical
Road 12 and output voltage feedback circuit 13.In figure, FMU_VDD_12V_IN_EN is the enabled control signal of power supply chip U4, defeated
Power supply chip U4 starts when entering high level.The switching frequency that resistance R16 is power supply chip U4 sets resistance, is connected to power supply chip
The RT/SYNC feet of U4.
Filter circuit 12 includes capacitance C34 and resistance R18, for the noise at power supply chip U4 switching nodes SW to be inhibited to do
It disturbs.
Current supply circuit 11 includes bootstrap capacitor C30, diode D5 and inductance L3.That is bootstrap capacitor C30, diode D5 and electricity
Feel the current supply circuit that L3 forms power supply chip U4.Output voltage feedback circuit 13 includes resistance R19 and R20, the voltage of inductance L3
It is divided by resistance R19, resistance R21, is connected to the FB pins of power supply chip U4, the detection circuit as output voltage.
Resistance R16 is set as 49.9k Ω, the switching frequency of corresponding power chip U4 is 500kHz.In a switch periods
It is interior, the output duty cycle of power supply chip U4 is adjusted according to the output voltage values that FB pins are fed back, realizes the constant of output voltage.
Input control circuit 2 is used to connect power module and control signal PMW_LED, the output terminal of input control circuit 2
It is connect with the input terminal of driving chip 3.Specifically, input control circuit 2 can include power supply input circuit and control signal is defeated
Enter circuit.The input terminal of power supply input circuit is connect with power module 1, output terminal and the driving chip 3 of power supply input circuit
Power input pin VDD connections；Control signal input circuit is connect with the input control pin EN/DIM of driving chip 3.
Power supply input circuit can include the multiple capacitances being connected in parallel.As shown in figure 3, capacitance C108, capacitance C109 and
Capacitance C110 is in parallel, forms power supply input circuit.The output vdd terminal of one end connection power module 1 of power supply input circuit and drive
The power input pin VDD of dynamic chip 3, other end ground connection.
Control signal input circuit can include the resistance R129 being connected in parallel and capacitance C107, further include and resistance R129
With the resistance R128 of the parallel branch series connection of capacitance C107 compositions.PWM_LED is the control signal of driving chip 3, which believes
The input control pin EN/DIM of driving chip 3 number is inputted after signal input circuit by controlling.The adjusting of the control signal accounts for
Empty ratio between 0~100, can Synchronization Control output voltage and current duty cycle, illuminated so as to change output power value with adjusting
Lamp brightness.
Light source interface 6 is used to connect lighting source.Signified lighting source can be LED light or other headlamps herein.
The lighting source can include the multiple light sources of one or series connection.
Driving chip 3 is used for the control signal PMW_LED inputted according to input control circuit 2, and control output circuit 5 is adjusted
The brightness of LED light source.
Adjusting and voltage-reduction switch control circuit 4 is connected between driving chip 3 and output circuit 5, for being maintained to flow through illumination light
The electric current in source is constant, realizes that output voltage is adaptive.
Adjusting and voltage-reduction switch control circuit 4 includes bootstrap capacitor C105, diode D25 and inductance L5.Diode D25 and output
Circuit 5, inductance L5 and bootstrap capacitor C105 are connected in series in the switch output pin SW and switch input pin BST of driving chip
Between.One end ground connection that diode D25 is connect with output circuit 5, i.e. diode D25 form parallel relationship with output circuit 5, and
The output voltage of output pin SW and the polarity of the input voltage of switch input pin BST are switched on the contrary, so as to constitute Buck
Adjusting and voltage-reduction switch power supply topologies realize that output voltage is adaptive.
The matching of input control circuit 2 and adjusting and voltage-reduction switch control circuit 4 can also avoid or reduce output terminal component
Howling.
Feedback protection circuit 7 is connected between light source interface 6 and driving chip 3, is used to implement overvoltage protection or overcurrent is protected
Shield, can also realize overvoltage protection or overcurrent protection, circuit as shown in Figure 4 simultaneously.
A kind of embodiment is：Feedback protection circuit 7 only includes voltage detecting circuit, and voltage detecting circuit is connected to drive
It moves between the overvoltage protection pin OVP of chip 3 and light source interface 6.As shown in figure 4, voltage detecting circuit includes being connected in series with
Two divider resistances, be divider resistance R126 and divider resistance R127 respectively, the voltage sample point between two divider resistances with
The overvoltage protection pin OVP connections of driving chip 3.The other end of divider resistance R126 is connect with the ground terminal of inductance L5, point
The other end of piezoresistance R127 is connect with the reference voltage pin VSS of driving chip 3.Voltage sample between two divider resistances
The voltage value of point feedback reaches or during more than given threshold, and the switch of driving chip 3 will close, so as to fulfill the work(of overvoltage protection
Energy.
Another embodiment is：Feedback protection circuit 7 only includes current detection circuit, and current detection circuit includes connecting
The current sampling resistor R130 being connected between the current feedback pin of driving chip 3 and light source interface 6.As shown in figure 4, electric current is adopted
One end of sample resistance R130 is connected between the current feedback pin of driving chip 3 and light source interface 6, the other end and driving chip
3 reference voltage pin VSS connections as the detection of output current and protection circuit, realize overcurrent protection.Current sampling resistor
The setting of the resistance value of R130 can ensure to export maximum current value size, such as set R130=0.3R, correspond to the maximum electricity of output
Flow valuve Imax=667mA.
It should be understood that feedback protection circuit 7 can include voltage detecting circuit and current detection circuit simultaneously.
In the present embodiment, it is by a kind of control mode of pwm control signal control LED light source brightness：Pass through control
Output power adjusts the brightness of LED light.After output increases load LED lamp, the corresponding voltage value in LED light both ends under fixed current
Centainly, as PWM duty cycle D=100, the corresponding LED light output voltage values of Imax are Vmax.Therefore, change PWM duty cycle
Value can accordingly change the dutyfactor value of output Vmax and Imax.And according to formula Pout=D*Vmax*Imax it is found that with duty
LED light output power size can be adjusted than control mode, and then adjusts its brightness power.
By pwm control signal control LED light source brightness another control mode be：PWM duty cycle is controlled and is replaced
It is controlled for DAC analog voltages, i.e., input voltage is constant, then constant output current (≤Imax), and adjusting input voltage value size can
To control output current value size, and then adjusting brightness of LED lamps.Which ensure that output without frequency signal, avoids LED light
The influence that its stroboscopic shoots high frame per second camera when being used in combination with camera；It can make shooting against the interference of LED light stroboscopic
Image is apparent.
Illuminating lamp driving circuit provided in this embodiment, including sequentially connected power module, input control circuit, driving
Chip, adjusting and voltage-reduction switch power circuit, output circuit and light source interface.Input control circuit is believed for connecting power supply and control
Number, the control signal that driving chip is inputted according to input control circuit, the photograph that control output circuit adjusting is connect with light source interface
The brightness in Mingguang City source is, it can be achieved that linear regulation brightness, makes lighting source stable luminescence.Adjusting and voltage-reduction switch power circuit is used to keep
The electric current for flowing through lighting source is constant, realizes that output voltage is adaptive.
Embodiment two
Another illuminating lamp driving circuit is present embodiments provided, Fig. 5 shows the headlamp driving that the embodiment provides
The circuit structure block diagram of circuit, Fig. 6 show the circuit diagram for the illuminating lamp driving circuit that the embodiment provides.Such as Fig. 5 and
Shown in Fig. 6, which includes sequentially connected power module 1, input control circuit 2, driving chip 3, decompression
Type switching power circuit 4, output circuit 5 and light source interface 6, further include feedback protection circuit 7 and anti-clutter circuit 8.
Input control circuit 2 is used to connect power supply BAT and control signal PMW, the output terminal of input control circuit 2 and driving
The input terminal connection of chip 3.Driving chip 3 is used for the control signal PMW inputted according to input control circuit 2, control output electricity
Road 5 adjusts the brightness of LED light source.
On the basis of above-described embodiment one, this embodiment increases anti-clutter circuits 8.Anti-clutter circuit 8 is connected to drive
Between the dynamic switch output pin SW of chip 3 and reference voltage pin VSS.Anti-clutter circuit 8 includes the filtered electrical being connected in series with
Hold C106 and filter resistance R125.
Filter capacitor C106 and filter resistance R125 composition filter circuits are mainly used for inhibiting the switch of driving chip 3 defeated
Go out the ring interference at pin SW.The anti-clutter circuit interferes caused by can effectively reducing the switching frequency of driving chip 3.It is logical
When crossing experience test selection C106=820pF, signal(l)ing frequency is down to the 50% of original frequency.Filter can rule of thumb be calculated
The suitable value of wave capacitance C106 and filter resistance R125.
The embodiment part identical with above-described embodiment one is referred to embodiment one and realizes that details are not described herein.
Embodiment three
It present embodiments provides one kind to paddle robot, including fuselage, camera lens, the lighting source being arranged on fuselage
The illuminating lamp driving circuit provided with any of the above-described embodiment.Illuminating lamp driving circuit includes sequentially connected power module, defeated
Enter control circuit, driving chip, adjusting and voltage-reduction switch power circuit, output circuit and light source interface.Input control circuit is used to connect
Power supply and control signal are connect, the control signal that driving chip is inputted according to input control circuit, control output circuit adjusts and light
The brightness of the lighting source of source interface connection is, it can be achieved that linear regulation brightness, makes lighting source stable luminescence.Adjusting and voltage-reduction switch electricity
The electric current that source circuit is used to be maintained to flow through lighting source is constant, realizes that output voltage is adaptive.
Illuminating lamp driving circuit provided in an embodiment of the present invention and the robot that paddles have identical technical characteristic, so
The technical issues of identical can be solved, reaches identical technique effect.
In addition, in the description of the embodiment of the present invention unless specifically defined or limited otherwise, term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected or be integrally connected；It can
To be mechanical connection or be electrically connected；It can be directly connected, can also be indirectly connected by intermediary, Ke Yishi
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
In the description of the present invention, it should be noted that term " " center ", " on ", " under ", "left", "right", " vertical ",
The orientation or position relationship of the instructions such as " level ", " interior ", " outer " be based on orientation shown in the drawings or position relationship, merely to
Convenient for the description present invention and simplify description rather than instruction or imply signified device or element must have specific orientation,
With specific azimuth configuration and operation, therefore it is not considered as limiting the invention.In addition, term " first ", " second ",
" third " is only used for description purpose, and it is not intended that instruction or hint relative importance.
Finally it should be noted that：Embodiment described above, only specific embodiment of the invention, to illustrate the present invention
Technical solution, rather than its limitations, protection scope of the present invention is not limited thereto, although with reference to the foregoing embodiments to this hair
It is bright to be described in detail, it will be understood by those of ordinary skill in the art that：Any one skilled in the art
In the technical scope disclosed by the present invention, it can still modify to the technical solution recorded in previous embodiment or can be light
It is readily conceivable that variation or equivalent replacement is carried out to which part technical characteristic；And these modifications, variation or replacement, do not make
The essence of corresponding technical solution is detached from the spirit and scope of technical solution of the embodiment of the present invention, should all cover the protection in the present invention
Within the scope of.Therefore, protection scope of the present invention described should be subject to the protection scope in claims.
Claims (10)
1. a kind of illuminating lamp driving circuit, which is characterized in that including sequentially connected power module, input control circuit, driving
Chip, adjusting and voltage-reduction switch power circuit, output circuit and light source interface；
The power module is input control circuit, driving chip, adjusting and voltage-reduction switch power supply electricity for exporting constant voltage
Road, output circuit and light source interface provide electric energy；
The input control circuit controls signal for connecting, the output terminal of the input control circuit and the driving chip
Input terminal connects；
The light source interface is used to connect lighting source；
The driving chip is used for the control signal inputted according to the input control circuit, and control output circuit adjusts the photograph
The brightness in Mingguang City source；
The electric current that the adjusting and voltage-reduction switch power circuit is used to be maintained to flow through lighting source is constant, realizes that output voltage is adaptive.
2. circuit according to claim 1, which is characterized in that the input control circuit includes power supply input circuit and control
Signal input circuit processed；
The input terminal of the power supply input circuit is connect with the power module, the output terminal of the power supply input circuit with it is described
The power input pin connection of driving chip；
The control signal input circuit is connect with the input control pin of the driving chip.
3. circuit according to claim 1, which is characterized in that the adjusting and voltage-reduction switch power circuit include bootstrap capacitor,
Diode and inductance；
The diode is connected in series in opening for the driving chip with the output circuit, the inductance and the bootstrap capacitor
It closes between output pin and switch input pin；
One end ground connection that the diode is connect with the output circuit.
4. circuit according to claim 1, which is characterized in that the circuit further includes feedback protection circuit, the feedback
Protection is electrically connected between the light source interface and the driving chip, is used to implement overvoltage protection or overcurrent protection.
5. circuit according to claim 4, which is characterized in that the feedback protection circuit includes current detection circuit, institute
The electric current that current detection circuit includes being connected between the current feedback pin of the driving chip and the light source interface is stated to adopt
Sample resistance.
6. circuit according to claim 4, which is characterized in that the feedback protection circuit includes voltage detecting circuit, institute
Voltage detecting circuit is stated to be connected between the overvoltage protection pin of the driving chip and the light source interface.
7. circuit according to claim 6, which is characterized in that the voltage detecting circuit includes two points be connected in series with
Piezoresistance, the voltage sample point between two divider resistances are connect with the overvoltage protection pin of the driving chip.
8. circuit according to claim 1, which is characterized in that the circuit further includes anti-clutter circuit, described anti-tampering
It is electrically connected between the switch output pin of the driving chip and reference voltage pin, including the filter capacitor being connected in series with
And filter resistance.
9. circuit according to claim 1, which is characterized in that the power module includes power supply chip, with the power supply
Current supply circuit, filter circuit and the output voltage feedback circuit of chip connection.
The robot 10. one kind is paddled, which is characterized in that including headlamp and headlamp according to any one of claims 1 to 9
Driving circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810103900.7A CN108156719A (en) | 2018-02-01 | 2018-02-01 | Illuminating lamp driving circuit and the robot that paddles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810103900.7A CN108156719A (en) | 2018-02-01 | 2018-02-01 | Illuminating lamp driving circuit and the robot that paddles |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108156719A true CN108156719A (en) | 2018-06-12 |
Family
ID=62459530
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810103900.7A Withdrawn CN108156719A (en) | 2018-02-01 | 2018-02-01 | Illuminating lamp driving circuit and the robot that paddles |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108156719A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114123776A (en) * | 2021-11-03 | 2022-03-01 | 山东有人物联网股份有限公司 | Switching power supply circuit and device, ripple wave adjusting method and storage medium |
-
2018
- 2018-02-01 CN CN201810103900.7A patent/CN108156719A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114123776A (en) * | 2021-11-03 | 2022-03-01 | 山东有人物联网股份有限公司 | Switching power supply circuit and device, ripple wave adjusting method and storage medium |
| CN114123776B (en) * | 2021-11-03 | 2024-02-02 | 山东有人物联网股份有限公司 | Switching power supply circuit and device, ripple adjusting method and storage medium |
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Application publication date: 20180612 |