CN204482097U - A kind of high-power LED drive circuit - Google Patents
A kind of high-power LED drive circuit Download PDFInfo
- Publication number
- CN204482097U CN204482097U CN201520171645.1U CN201520171645U CN204482097U CN 204482097 U CN204482097 U CN 204482097U CN 201520171645 U CN201520171645 U CN 201520171645U CN 204482097 U CN204482097 U CN 204482097U
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- rectification circuit
- led
- voltage stabilizing
- power
- stabilizing didoe
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- 230000000087 stabilizing effect Effects 0.000 claims abstract description 18
- 238000005516 engineering process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
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Abstract
The utility model discloses a kind of high-power LED drive circuit, comprise: AC power inputs, rectification circuit, LED, driving chip, resistance, inductance, first voltage stabilizing didoe, described driving chip pin comprises: VDD, DRN, VSINE, GND, described AC power input is in series with rectification circuit, rectification circuit input end and LED, be connected with DRN after inductance is in series, described rectification circuit input end is connected with the first voltage stabilizing didoe positive pole, first voltage stabilizing didoe negative pole is connected with VDD, be connected with VSINE after described rectification circuit input end is in series with a resistor, described rectification circuit output end ground connection, described GND ground connection.A kind of high-power LED drive circuit that the utility model provides, support voltage detecting function, overvoltage protection, is applicable to the driving of powerful LED lamp of automobile or outdoors projection lamp.
Description
Technical field
The utility model relates to a kind of high-power LED drive circuit, belongs to LED Driving technique field.
Background technology
At present, high-powered LED lamp is applied widely in various illumination, but the electricity discreteness of high-powered LED lamp is large, easily by the impact of temperature, after LEDs ON, the voltage being added in LED two ends slightly improves, and the electric current flowing through LED will be caused sharply to rise, LED can be made time serious to exceed rated current work for a long time, easily make the semiconductor chip of LED burn out.
Utility model content
Object: in order to overcome the deficiencies in the prior art, the utility model provides a kind of high-power LED drive circuit.
Technical scheme: for solving the problems of the technologies described above, the technical solution adopted in the utility model is:
A kind of high-power LED drive circuit, comprise: AC power inputs, rectification circuit, LED, driving chip, resistance, inductance, first voltage stabilizing didoe, described driving chip pin comprises: VDD, DRN, VSINE, GND, described AC power input is in series with rectification circuit, rectification circuit input end and LED, be connected with DRN after inductance is in series, described rectification circuit input end is connected with the first voltage stabilizing didoe positive pole, first voltage stabilizing didoe negative pole is connected with VDD, be connected with VSINE after described rectification circuit input end is in series with a resistor, described rectification circuit output end ground connection, described GND ground connection.
Also comprise the second voltage stabilizing didoe, described second voltage stabilizing didoe is connected in parallel on after between LED, inductance and is connected with DRN.
Also comprise protection electric capacity, described protection electric capacity and LED are in parallel.
Described AC power input is set to 10-14V.
Preferably, described driving chip is set to GM6109.
Beneficial effect: a kind of high-power LED drive circuit that the utility model provides, support voltage detecting function, overvoltage protection, is applicable to the driving of powerful LED lamp of automobile or outdoors projection lamp.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further described.
As shown in Figure 1, a kind of high-power LED drive circuit, comprise: AC power input 1, rectification circuit 2, LED 3, driving chip 4, resistance 5, inductance 6, first voltage stabilizing didoe 7, described driving chip 4 pin comprises: VDD, DRN, VSINE, GND, described AC power input 1 is in series with rectification circuit 2, rectification circuit 2 input and LED 3, be connected with DRN after inductance 6 is in series, described rectification circuit 2 input is connected with the first voltage stabilizing didoe 7 positive pole, first voltage stabilizing didoe 7 negative pole is connected with VDD, described rectification circuit 2 input is connected with VSINE after connecting with resistance 5, described rectification circuit 2 output head grounding, described GND ground connection.
Also comprise the second voltage stabilizing didoe 8, described second voltage stabilizing didoe 8 is connected in parallel on after between LED 3, inductance 6 and is connected with DRN.
Also comprise protection electric capacity 9, described protection electric capacity 9 is in parallel with LED 3.
Described AC power input 1 is set to 10-14V.
Preferably, described driving chip 4 is set to GM6109.
Driving chip pin: VDD: voltage input end, DRN:LED lamp drive end, VSINE: voltage detecting end, GND: earth terminal.
The above is only preferred implementation of the present utility model; be noted that for those skilled in the art; under the prerequisite not departing from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection range of the present utility model.
Claims (5)
1. a high-power LED drive circuit, comprise: AC power inputs, rectification circuit, LED, it is characterized in that: also comprise: driving chip, resistance, inductance, first voltage stabilizing didoe, described driving chip pin comprises: VDD, DRN, VSINE, GND, described AC power input is in series with rectification circuit, rectification circuit input end and LED, be connected with DRN after inductance is in series, described rectification circuit input end is connected with the first voltage stabilizing didoe positive pole, first voltage stabilizing didoe negative pole is connected with VDD, be connected with VSINE after described rectification circuit input end is in series with a resistor, described rectification circuit output end ground connection, described GND ground connection.
2. a kind of high-power LED drive circuit according to claim 1, is characterized in that: also comprise the second voltage stabilizing didoe, and described second voltage stabilizing didoe is connected in parallel on after between LED, inductance and is connected with DRN.
3. a kind of high-power LED drive circuit according to claim 1, is characterized in that: also comprise protection electric capacity, described protection electric capacity and LED are in parallel.
4. a kind of high-power LED drive circuit according to claim 1, is characterized in that: described AC power input is set to 10-14 V.
5. a kind of high-power LED drive circuit according to claim 1, is characterized in that: described driving chip is set to GM6109.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520171645.1U CN204482097U (en) | 2015-03-26 | 2015-03-26 | A kind of high-power LED drive circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520171645.1U CN204482097U (en) | 2015-03-26 | 2015-03-26 | A kind of high-power LED drive circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204482097U true CN204482097U (en) | 2015-07-15 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520171645.1U Expired - Fee Related CN204482097U (en) | 2015-03-26 | 2015-03-26 | A kind of high-power LED drive circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204482097U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106341927A (en) * | 2016-10-25 | 2017-01-18 | 深圳市集智微电子科技有限公司 | LED driving chip, LED driving circuit and LED photoelectric module |
-
2015
- 2015-03-26 CN CN201520171645.1U patent/CN204482097U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106341927A (en) * | 2016-10-25 | 2017-01-18 | 深圳市集智微电子科技有限公司 | LED driving chip, LED driving circuit and LED photoelectric module |
| CN106341927B (en) * | 2016-10-25 | 2017-12-29 | 深圳市集智微电子科技有限公司 | LED drive chip, LED drive circuit and LED photovoltaic module |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160824 Address after: Beijing City, Chaoyang District, 100012 street toward the No. 1 to the high-tech Industrial Park Building No. 1 701 Patentee after: Beijing Laisiou Lighting Co.,Ltd. Address before: Zhenjiang City, Jiangsu Province, 212000 Jingkou District Road No. 301, building 206, room 2141 Patentee before: Li Zhe |
|
| 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: 20150715 Termination date: 20190326 |