CN204906816U - Two -wire system LED drive control integrated circuit that power supply and signal combined together - Google Patents
Two -wire system LED drive control integrated circuit that power supply and signal combined together Download PDFInfo
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- CN204906816U CN204906816U CN201520682729.1U CN201520682729U CN204906816U CN 204906816 U CN204906816 U CN 204906816U CN 201520682729 U CN201520682729 U CN 201520682729U CN 204906816 U CN204906816 U CN 204906816U
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- module
- integrated circuit
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- signal
- power supply
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
Abstract
The utility model provides a two -wire system LED drive control integrated circuit that power supply and signal combined together, two -wire system LED drive control integrated circuit that power supply and signal combined together includes the detection voltage module, vibrates module, logic module, decoder module, constant -current module, array emitting diode, power, the logic module is connected to detection voltage module, shock module, decoder module is connected to the logic module, every emitting diode of group is formed by connecting a N diode, array emitting diode's the parallelly connected back ground connection of negative pole, the anodal switch connection constant -current module that passes through, connect after the constant current mould other end is parallelly connected, decoder module linked switch, the detection voltage module other end is connected. The utility model discloses the falling edge time of utilizing high potential and electronegative potential determines signal 1.0. Mark, reads out address, luminance value etc. Respectively through one section continuous signal to realize two -wire system LED able to programme drive integrated circuit.
Description
Technical field
The utility model relates to integrated circuit, is specifically related to a kind of two-wire system LED drived control integrated circuit combined with signal of powering.
Background technology
Figure mono-is traditional signal LED control circuit, independent power supply VCC and GND, obtains data by the input of Data-in data, judge whether be current LED if not, export to next LED from Data-out, if current LED, so usage data is gone to drive current LED.
Utility model content
For above the deficiencies in the prior art, the utility model provides a kind of two-wire system LED drived control integrated circuit combined with signal of powering.
A kind of two-wire system LED drived control integrated circuit combined with signal of powering, the two-wire system LED drived control integrated circuit that described power supply combines with signal comprises detection voltage module, concussion module, Logic module, decoder module, constant flow module, array light-emitting diode, power supply, described detection voltage module, concussion model calling Logic module, described Logic model calling decoder module, often group light-emitting diode in described array light-emitting diode is formed by connecting by N number of diode, ground connection after the negative pole parallel connection of described array light-emitting diode, positive pole connects constant flow module by switch, power supply is connected after the parallel connection of the described constant flow module other end, described decoder module connecting valve, the described detection voltage module other end connects power supply.
Described detection voltage module is that DetectVDDvoltage detects voltage module.
Described concussion module is OSC module.
Described constant flow module is CC constant flow module.
Described decoder module is Codec module.
The beneficial effects of the utility model are: the utility model provides a kind of two-wire system LED drived control integrated circuit combined with signal of powering, the trailing edge time of high potential and electronegative potential is utilized to judge signal 1.0.mark, address is read respectively by one section of continuous print signal, brightness value etc., thus realize two-wire system LED drive integrated circult able to programme.
Accompanying drawing explanation
Fig. 1 is traditional signal LED control circuit;
Fig. 2 is circuit connection diagram of the present utility model;
In figure: 1 for detecting voltage module; 2 is concussion module; 3 is Logic module; 4 is decoder module; 5 is constant flow module; 6 is light-emitting diode; 7 is switch.
Embodiment
Illustrate below in conjunction with embodiment and accompanying drawing and the utility model is described in further details.
As shown in Figure 2, a kind of two-wire system LED drived control integrated circuit combined with signal of powering, the two-wire system LED drived control integrated circuit that described power supply combines with signal comprises and detects voltage module 1, concussion module 2, Logic module 3, decoder module 4, constant flow module 5, array light-emitting diode 6, power supply, described detection voltage module 1, concussion module 2 connects Logic module 3, described Logic module 3 connects decoder module 4, often group light-emitting diode 6 in described array light-emitting diode 6 is formed by connecting by N number of diode, ground connection after the negative pole parallel connection of described array light-emitting diode 6, positive pole connects constant flow module 5 by switch 7, power supply is connected after the parallel connection of described constant flow module 5 other end, described decoder module 4 connecting valve 7, described detection voltage module 1 other end connects power supply, in the utility model, the type of light-emitting diode 6 does not limit, can be other driving tubes, if change the type of light-emitting diode 6, realize other functions to be also fine.The utility model provides a kind of two-wire system LED drived control integrated circuit combined with signal of powering, the trailing edge time of high potential and electronegative potential is utilized to judge signal 1.0.mark, address is read respectively by one section of continuous print signal, brightness value etc., thus realize two-wire system LED drive integrated circult able to programme.
As shown in Figure 1, traditional signal LED control circuit, independent power supply VCC and GND, obtain data by the input of Data-in data, judge whether be current LED if not, export to next LED from Data-out, if current LED, so usage data is gone to drive current LED.The utility model is for the drawback of prior art, a kind of two-wire system LED drived control integrated circuit having power supply and combine with signal is proposed, the trailing edge time of high potential and electronegative potential is utilized to judge that high potential is such as set to 5V by signal 1.0.mark., electronegative potential is set to 2.5V, after the falling edge triggering of 5V to 2.5V, read 2.5V and judge signal 1.0.mark the time, address is read respectively by one section of continuous print signal, brightness value etc., thus realize two-wire system LED drive integrated circult able to programme.
DetectVDDvoltage detects voltage module 1: as VDD<3V, this module output low level; During VDD>3V, this module exports high level.By this module, power supply signal can be converted to data-signal.
CC constant flow module 5: this module is for generation of constant current output, and when preventing mains voltage variations larger, output current change is excessive.
OSC module: concussion module 2.
Logic module 3: button and logical circuit, pulse resets, and wherein comprises multiple with Men Feimen or door. trigger.This module detects the detectVDDvoltage low level time, when low level time is 16 ~ 32 times of the OSC cycle, thinks 0 yard; When low level time is 32 ~ 64 times of the OSC cycle, think 1 yard; When low level time is greater than 64 times of OSC cycles, think frame end code.The address itself be fixed when the address that module receives and module is consistent, just can receive data, otherwise thinks invalid.
Codec module: decoder module 4.
When this circuit is started working, OSC module continuous firing, DetectVDDvoltage detects voltage module 1, can detect the voltage on power supply, as VDD<3V, this module output low level; During VDD>3V, this module exports high level.Be as the criterion by OSC module and calculate low level time, the low level time of every section is supplied to Logic module 3, complete information before mark code is stored in Logic module 3, data are sent to R group (LED1-LED2 by after the decoding of Codec module by the complete information of Logic module 3 respectively ... N number of light-emitting diode 6) light-emitting diode 6, G group light-emitting diode 6, B group light-emitting diode 6.Each Light-Emitting Diode also has CC constant flow module 5, makes the color of LED when colour mixture more accurate.
The utility model inside is integrated with the circuit such as data latches.By the gray scale adjustment, cascade Mach-Zehnder interferometer etc. of peripheral this chip of MCU control realization.Properties of product are excellent, reliable in quality.Its main feature is that data and power line share, PWM control end can realize that 256 grades of gray scales regulate, output constant current etc.
Following technique effect can be realized by the utility model:
The utility model adopts power supply to combine with signal under a kind of DC power supply application conditions, make LED according to programming conducting and the control circuit turning off corresponding LED, the trailing edge time of high potential and electronegative potential is utilized to judge signal 1.0.mark, address is read respectively by one section of continuous print signal, brightness value etc., thus realize two-wire system LED drive integrated circult able to programme.
Above embodiment is only a specific execution mode of the present utility model, but not to restriction of the present utility model, all those skilled in the art make some adjustment according to design of the present utility model and change, such as increase or reduce the quantity of LED segmentation, change the type etc. of light-emitting diode 6, be still main idea place of the present utility model, all because of within scope of the present utility model.
Claims (5)
1. the two-wire system LED drived control integrated circuit combined with signal of powering, it is characterized in that two-wire system LED drived control integrated circuit that described power supply combines with signal comprises and detect voltage module (1), concussion module (2), Logic module (3), decoder module (4), constant flow module (5), array light-emitting diode (6), power supply, described detection voltage module (1), concussion module (2) connects Logic module (3), described Logic module (3) connects decoder module (4), often group light-emitting diode (6) in described array light-emitting diode (6) is formed by connecting by N number of diode, ground connection after the negative pole parallel connection of described array light-emitting diode (6), positive pole connects constant flow module (5) by switch (7), power supply is connected after described constant flow module (5) other end parallel connection, described decoder module (4) connecting valve (7), described detection voltage module (1) other end connects power supply.
2. a kind of two-wire system LED drived control integrated circuit combined with signal of powering according to claim 1, is characterized in that described detection voltage module (1) is for DetectVDDvoltage detection voltage module (1).
3. a kind of two-wire system LED drived control integrated circuit combined with signal of powering according to claim 1, is characterized in that described concussion module (2) is OSC module.
4. a kind of two-wire system LED drived control integrated circuit combined with signal of powering according to claim 1, is characterized in that described constant flow module (5) is for CC constant flow module (5).
5. a kind of two-wire system LED drived control integrated circuit combined with signal of powering according to claim 1, is characterized in that described decoder module (4) is for Codec module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520682729.1U CN204906816U (en) | 2015-09-06 | 2015-09-06 | Two -wire system LED drive control integrated circuit that power supply and signal combined together |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520682729.1U CN204906816U (en) | 2015-09-06 | 2015-09-06 | Two -wire system LED drive control integrated circuit that power supply and signal combined together |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204906816U true CN204906816U (en) | 2015-12-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520682729.1U Expired - Fee Related CN204906816U (en) | 2015-09-06 | 2015-09-06 | Two -wire system LED drive control integrated circuit that power supply and signal combined together |
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| Country | Link |
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| CN (1) | CN204906816U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105101574A (en) * | 2015-09-06 | 2015-11-25 | 广德利德光电有限公司 | Two-wire light emitting diode (LED) driving control integrated circuit with power supply and signal combined |
| CN107301991A (en) * | 2016-04-14 | 2017-10-27 | 力祥半导体股份有限公司 | Multi-channel transient voltage suppressor |
-
2015
- 2015-09-06 CN CN201520682729.1U patent/CN204906816U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105101574A (en) * | 2015-09-06 | 2015-11-25 | 广德利德光电有限公司 | Two-wire light emitting diode (LED) driving control integrated circuit with power supply and signal combined |
| CN107301991A (en) * | 2016-04-14 | 2017-10-27 | 力祥半导体股份有限公司 | Multi-channel transient voltage suppressor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151223 Termination date: 20170906 |