CN106211429A - A kind of large driven current density circuit - Google Patents
A kind of large driven current density circuit Download PDFInfo
- Publication number
- CN106211429A CN106211429A CN201610550817.5A CN201610550817A CN106211429A CN 106211429 A CN106211429 A CN 106211429A CN 201610550817 A CN201610550817 A CN 201610550817A CN 106211429 A CN106211429 A CN 106211429A
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- China
- Prior art keywords
- largest
- current density
- large driven
- current driver
- mux
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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
- H05B45/37—Converter circuits
-
- 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
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/10—Controlling the light source
- H05B47/175—Controlling the light source by remote control
- H05B47/19—Controlling the light source by remote control via wireless transmission
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The invention discloses a kind of large driven current density circuit, including FPGA processor, wireless communication module, MUX, the first large driven current density device, second largest current driver, the third-largest current driver, Voltage stabilizing module, power interface and output interface.This large driven current density circuit uses the three road PWM outfans Enable Pin with the first large driven current density device, second largest current driver and the third-largest current driver respectively of FPGA processor to be connected, thus realize three tunnel different output current sizes and control, the electric equipment meeting different capacity uses demand, and only Enable Pin is controlled, control system is simple, effectively reduces the fault rate of circuit.
Description
Technical field
The present invention relates to a kind of control circuit, especially a kind of current driving circuit.
Background technology
At present, large driven current density circuit is of all kinds, such as in the circuit being driven LED, especially high at some
Brightness high-power illumination occasion, the application of LED is not the most the most extensive.Main reason is the driving of typical high power LED lamp
Power supply poor controllability, greatly reduces the convenience of use.It is therefore necessary to design a kind of controlled large driven current density circuit.
Summary of the invention
Goal of the invention: a kind of controlled large driven current density circuit is provided, thus improves the convenience that drive circuit uses.
Technical scheme: large driven current density circuit of the present invention, including FPGA processor, wireless communication module, multichannel
Selector, the first large driven current density device, second largest current driver, the third-largest current driver, Voltage stabilizing module, power interface with
And output interface；Power interface is respectively connecting to the supply port of FPGA processor and wireless communication module by Voltage stabilizing module；
The power end of the first large driven current density device, second largest current driver and the third-largest current driver is connected to power supply and connects
Mouthful；Three road PWM outfans of FPGA processor respectively with the first large driven current density device, second largest current driver and the third-largest
The Enable Pin of current driver is connected；First large driven current density device, second largest current driver and the third-largest current driver
Outfan be respectively connecting to three road inputs of MUX；The end that controls of MUX is connected to FPGA processor
Control output end；The communication ends of wireless communication module is connected to the communication ends of FPGA processor；The outfan of MUX is even
It is connected to output interface.
Use FPGA processor three road PWM outfans respectively with the first large driven current density device, second largest current driver
And the Enable Pin of the third-largest current driver is connected, thus realizes three tunnel different output current sizes and control, meet different merits
The electric equipment of rate uses demand, and is only controlled Enable Pin, and control system is simple, effectively reduces the fault of circuit
Rate；The communication ends using wireless communication module is connected to the communication ends of FPGA processor, it is possible to realize remote wireless control, effectively
Improve the convenience that drive circuit uses；MUX is used conveniently to realize three tunnel different output current size switchings, thus
The electric equipment meeting different capacity uses demand.
As the scheme that limits further of the present invention, the first large driven current density device, second largest current driver and
Two poles all it are serially connected with on connecting line between outfan and the three road inputs of MUX of three large driven current density devices
Pipe.Use diode to concatenate in circuit, effectively prevent current flowing backwards, be effectively increased the safety that drive circuit uses.
Compared with prior art, it provides the benefit that the present invention: (1) uses three road PWM outfans of FPGA processor to divide
It is not connected with the Enable Pin of the first large driven current density device, second largest current driver and the third-largest current driver, thus real
Existing three tunnel different output current sizes control, and the electric equipment meeting different capacity uses demand, and only carries out Enable Pin
Controlling, control system is simple, effectively reduces the fault rate of circuit；(2) communication ends of wireless communication module is used to be connected to
The communication ends of FPGA processor, it is possible to realize remote wireless control, is effectively improved the convenience that drive circuit uses；(3) use
MUX conveniently realizes three tunnel different output current size switchings, thus the electric equipment meeting different capacity uses need
Ask.
Accompanying drawing explanation
Fig. 1 is the electrical block diagram of the present invention.
Detailed description of the invention
Below in conjunction with the accompanying drawings technical solution of the present invention is described in detail, but protection scope of the present invention is not limited to
Described embodiment.
Embodiment 1:
As it is shown in figure 1, the large driven current density circuit of the present invention includes: FPGA processor, wireless communication module, MUX,
First large driven current density device, second largest current driver, the third-largest current driver, Voltage stabilizing module, power interface and output
Interface.
Wherein, power interface is respectively connecting to the feeder ear of FPGA processor and wireless communication module by Voltage stabilizing module
Mouthful；The power end of the first large driven current density device, second largest current driver and the third-largest current driver is connected to power supply
Interface；Three road PWM outfans of FPGA processor respectively with the first large driven current density device, second largest current driver and the 3rd
The Enable Pin of large driven current density device is connected；First large driven current density device, second largest current driver and the third-largest electric current drive
The outfan of device is respectively connecting to three road inputs of MUX；The control end of MUX is connected to FPGA processor
Control output end；The communication ends of wireless communication module is connected to the communication ends of FPGA processor；The outfan of MUX
It is connected to output interface；In the first large driven current density device, second largest current driver and the output of the third-largest current driver
A diode all it is serially connected with on connecting line between end and three road inputs of MUX.
In the large driven current density circuit of the present invention: wireless communication module can use the Zigbee module of routine, such as
The wireless MCU module of JN516x etc.；First large driven current density device, second largest current driver and the third-largest current driver are permissible
Use single channel powerful constant-flow driver DD311；Voltage stabilizing module can use the voltage stabilizing chip circuit of routine, as long as
Meet the power demands of FPGA processor and wireless communication module；MUX can use three elections switch.
The large driven current density circuit of the present invention operationally, sends switching life by wireless communication module to FPGA processor
Order, is controlled MUX by FPGA processor according to switching command and switches accordingly, stops other two-way PWM output simultaneously
The output of end, effectively reduces the power consumption of circuit, is also prevented from interfering；It is big that the PWM ripple of FPGA processor output controls first
Current driver, second largest current driver or the third-largest current driver are operated, and export correspondingly sized electric current, simultaneously
The dutycycle that can also control PWM ripple regulates the size of output electric current.
Although as it has been described above, represented and described the present invention with reference to specific preferred embodiment, but it must not be explained
For the restriction to the present invention self.Under the spirit and scope of the present invention premise defined without departing from claims, can be right
Various changes can be made in the form and details for it.
Claims (2)
1. a large driven current density circuit, it is characterised in that: include FPGA processor, wireless communication module, MUX,
One large driven current density device, second largest current driver, the third-largest current driver, Voltage stabilizing module, power interface and output connect
Mouthful；Power interface is respectively connecting to the supply port of FPGA processor and wireless communication module by Voltage stabilizing module；First big electricity
The power end of stream driver, second largest current driver and the third-largest current driver is connected to power interface；At FPGA
Reason Qi tri-road PWM outfan drives with the first large driven current density device, second largest current driver and the third-largest electric current respectively
The Enable Pin of device is connected；First large driven current density device, second largest current driver and the outfan of the third-largest current driver
It is respectively connecting to three road inputs of MUX；The end that controls of MUX is connected to the control output of FPGA processor
End；The communication ends of wireless communication module is connected to the communication ends of FPGA processor；The outfan of MUX is connected to output
Interface.
Large driven current density circuit the most according to claim 1, it is characterised in that: at the first large driven current density device, second largest
On connecting line between current driver and the outfan of the third-largest current driver and three road inputs of MUX
All it is serially connected with a diode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610550817.5A CN106211429B (en) | 2016-07-14 | 2016-07-14 | A kind of large driven current density circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610550817.5A CN106211429B (en) | 2016-07-14 | 2016-07-14 | A kind of large driven current density circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106211429A true CN106211429A (en) | 2016-12-07 |
| CN106211429B CN106211429B (en) | 2017-11-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610550817.5A Active CN106211429B (en) | 2016-07-14 | 2016-07-14 | A kind of large driven current density circuit |
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| Country | Link |
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1141941A (en) * | 1997-07-24 | 1999-02-12 | Aichi Electric Co Ltd | Three-phase inverter controller and single-phase inverter controller |
| US6266000B1 (en) * | 1999-04-30 | 2001-07-24 | Agilent Technologies, Inc. | Programmable LED driver pad |
| US6362766B1 (en) * | 2000-02-09 | 2002-03-26 | International Business Machines Corporation | Variable pulse PWM DAC method and apparatus |
| JP2006222807A (en) * | 2005-02-10 | 2006-08-24 | Furukawa Electric Co Ltd:The | Laser control unit |
| JP2009005557A (en) * | 2007-06-25 | 2009-01-08 | Aisin Seiki Co Ltd | Device and method for controlling motor |
| CN204887530U (en) * | 2015-05-12 | 2015-12-16 | 广东凯乐斯光电科技有限公司 | Multiplexed output LED long -distance intelligent control power of adjusting luminance |
| CN105308844A (en) * | 2013-09-19 | 2016-02-03 | 皇家飞利浦有限公司 | Compact power conversion device with continuous output regulation range |
| CN205249552U (en) * | 2015-11-25 | 2016-05-18 | 江门市征极光兆科技有限公司 | Intelligence fish bowl ornament lamp |
| CN105657891A (en) * | 2015-12-31 | 2016-06-08 | 广州达森灯光股份有限公司 | LED drive power supply circuit |
-
2016
- 2016-07-14 CN CN201610550817.5A patent/CN106211429B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1141941A (en) * | 1997-07-24 | 1999-02-12 | Aichi Electric Co Ltd | Three-phase inverter controller and single-phase inverter controller |
| US6266000B1 (en) * | 1999-04-30 | 2001-07-24 | Agilent Technologies, Inc. | Programmable LED driver pad |
| US6362766B1 (en) * | 2000-02-09 | 2002-03-26 | International Business Machines Corporation | Variable pulse PWM DAC method and apparatus |
| JP2006222807A (en) * | 2005-02-10 | 2006-08-24 | Furukawa Electric Co Ltd:The | Laser control unit |
| JP2009005557A (en) * | 2007-06-25 | 2009-01-08 | Aisin Seiki Co Ltd | Device and method for controlling motor |
| CN105308844A (en) * | 2013-09-19 | 2016-02-03 | 皇家飞利浦有限公司 | Compact power conversion device with continuous output regulation range |
| CN204887530U (en) * | 2015-05-12 | 2015-12-16 | 广东凯乐斯光电科技有限公司 | Multiplexed output LED long -distance intelligent control power of adjusting luminance |
| CN205249552U (en) * | 2015-11-25 | 2016-05-18 | 江门市征极光兆科技有限公司 | Intelligence fish bowl ornament lamp |
| CN105657891A (en) * | 2015-12-31 | 2016-06-08 | 广州达森灯光股份有限公司 | LED drive power supply circuit |
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| CN106211429B (en) | 2017-11-14 |
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