CN208889656U - A kind of novel package structure of linear constant current chip - Google Patents
A kind of novel package structure of linear constant current chip Download PDFInfo
- Publication number
- CN208889656U CN208889656U CN201821354093.8U CN201821354093U CN208889656U CN 208889656 U CN208889656 U CN 208889656U CN 201821354093 U CN201821354093 U CN 201821354093U CN 208889656 U CN208889656 U CN 208889656U
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- Prior art keywords
- constant current
- linear constant
- current chip
- led
- pin
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L2224/42—Wire connectors; Manufacturing methods related thereto
- H01L2224/47—Structure, shape, material or disposition of the wire connectors after the connecting process
- H01L2224/48—Structure, shape, material or disposition of the wire connectors after the connecting process of an individual wire connector
- H01L2224/481—Disposition
- H01L2224/48135—Connecting between different semiconductor or solid-state bodies, i.e. chip-to-chip
- H01L2224/48137—Connecting between different semiconductor or solid-state bodies, i.e. chip-to-chip the bodies being arranged next to each other, e.g. on a common substrate
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Abstract
The utility model discloses a kind of novel package structures of linear constant current chip, including LED support and the linear constant current chip being encapsulated on the LED support, the LED support includes positive pin and negative pin, the linear constant current chip includes the output end and input terminal of constant current, the output end is electrically connected with negative pin, and the input terminal is electrically connected with positive pin.Since linear constant current chip package is on LED support, with the lamp bead encapsulating structure having the same on high-pressure lamp band, only exist the pin of two electric connections, there is no need to be that linear constant current chip designs additional wired circuit structure on the circuit board of light bar, a set of production equipment can be used simultaneously can while will be in the LED lamp bead of identical packages structures and linear constant current chip assemble welding to LED light strip, reduce the design complexities of LED light strip circuit board, improve the stability of LED light strip, production equipment and process are saved simultaneously, it reduces costs, improve efficiency.
Description
Technical field
The utility model relates to high-voltage LED light bar production technical field, in particular to a kind of linear constant current chip it is novel
Encapsulating structure.
Background technique
High-pressure lamp band refers to 110V/220V light bar.110V light bar main exit is external, and 220V light bar domestic contrast is common,
High-pressure lamp band can be used with a high-pressure lamp band plug special is unified.A rectifier bridge is needed, only woth no need to connect transformation
Device.
In LED light strip production process, resistance pin configuration having the same due to LED lamp bead and for current limliting,
Only need a set of production equipment by LED lamp bead and resistance along the pad that light bar length direction is welded to light bar.And high pressure
LED light strip generally can all increase constant current chip, due to the pin configuration of linear constant current chip to stablize the electric current of each lamp bead
It is different from LED lamp bead and resistance, therefore how will become one of this field on linear constant current chip assemble welding to LED light strip
Problem.
Utility model content
To solve the above problems, the purpose of this utility model is to provide a kind of LED lamp bead tools in high-voltage LED light bar
There are the linear constant current chip of same pin structure, i.e., a kind of novel package structure of linear constant current chip.
The technical solution adopted by the utility model to solve the problem is as follows:
A kind of novel package structure of linear constant current chip including LED support and is encapsulated in linear on the LED support
Constant current chip, the LED support include positive pin and negative pin, the linear constant current chip include constant current output end and
Input terminal, the output end are electrically connected with negative pin, and the input terminal is electrically connected with positive pin.
Further, the linear constant current chip includes the single channel LED perseverance of TO252-2 encapsulation or SOT89-3 encapsulation
Flow drive control chip.
Further, the linear constant current chip includes the single channel LED constant current drive control chip of model RM9023.
Further, the LED support further includes pedestal, and the pedestal upper surface is equipped with the anode being electrically connected with positive pin
Area and the cathode area being electrically connected with negative pin, the positive polar region are electrically insulated with cathode area, and the linear constant current chip is solid
It is scheduled on cathode area.
Further, the positive pin and negative pin are respectively distributed on two sides opposite on pedestal.
The beneficial effects of the utility model are: a kind of novel encapsulated knot for linear constant current chip that the utility model uses
Structure, by by linear constant current chip package to LED support, and by the output end of linear constant current chip and input terminal respectively with
The negative pin of LED support and positive pin electrical connection, optimize the encapsulation of the linear constant current chip in high-voltage LED light bar
Structure, due to lamp bead of the linear constant current chip package on LED support and on high-pressure lamp band encapsulating structure having the same, only
The pin being electrically connected there are two, there is no need to be that linear constant current chip designs additional wiring electricity on the circuit board of light bar
Line structure, while a set of production equipment can be used can be simultaneously by the LED lamp bead of identical packages structures and linear constant current chip
On assemble welding to LED light strip, the design complexities of LED light strip circuit board are reduced, improve the stability of LED light strip, together
When save production equipment and process, reduce costs, improve efficiency.
Detailed description of the invention
The utility model is described in further detail with example with reference to the accompanying drawing.
Fig. 1 is a kind of structural schematic diagram of the novel package structure of linear constant current chip of the utility model；
Fig. 2 is TO252-2 package structure diagram；
Fig. 3 is SOT89-3 package structure diagram；
In figure, 1-LED bracket, 11- pedestal, 12- cathode area, the positive polar region 13-, 14- negative pin, 15- anode
Pin, 2- linear constant current chip.
Specific embodiment
- Fig. 3 referring to Fig.1, a kind of novel package structure of linear constant current chip 2 of the utility model, including LED support 1
With the linear constant current chip 2 being encapsulated on the LED support 1, the LED support 1 includes positive pin 15 and negative pin 14,
LED lamp bead in the same light bar is also packaged using identical LED support 1, therefore linear constant current chip 2 and LED lamp bead
Same set of equipment can be used by the LED light of 2 assemble welding of LED lamp bead and linear constant current chip in encapsulating structure having the same
It takes, the equipment without increasing special assemble welding linear constant current chip 2 reduces equipment cost and process cost.It is described
Linear constant current chip 2 includes output end and input terminal, and the output electric current of output end with voltage change, does not have good constant current
Performance, the output end are electrically connected with negative pin 14, and the input terminal is electrically connected with positive pin 15, therefore in assembling lamp band
When, the linear constant current chip 2 and LED lamp bead using the utility model encapsulating structure are not needed to distinguish, can directly use same
The linear constant current chip 2 of the utility model structure is assembled in light bar by equipment according to the operation of assembly LED lamp bead, greatly side
With linear constant current chip 2 light bar production, eliminate and assemble linear constant current chip 2 on another special equipment
Equipment cost and process step improve the production efficiency of light bar
Specifically, in order to simplify the peripheral circuit structure of linear constant current chip 2, facilitate will linear constant current chip 2 and its outside
Circuit package is enclosed into LED support 1, and linear constant current chip 2 selects the few encapsulating structure of pin number as far as possible.Preferably, described
Linear constant current chip 2 includes the single channel LED constant current drive control chip that TO252-2 is encapsulated or SOT89-3 is encapsulated.It is above-mentioned
The single channel LED constant current drive control chip of two kinds of encapsulating structures only includes three pins, without increasing complicated peripheral circuit.
Three pins, which also facilitate, simultaneously integrates in peripheral circuit post package to the LED support 1 of two pins.It is adjusted by looking into chip handbook
The resistance value of peripheral circuit, the continuous current scope control that output end can be exported use above-mentioned three between 5mA-60mA
The linear constant current chip 2 of port organization facilitates the value for adjusting continuous current, and structure is simple, easy to produce.
Optimal, the linear constant current chip 2 of both ends mouth structure should be selected.Specifically the linear constant current chip 2 is type
It number is the single channel LED constant current drive control chip of RM9023, the model is the single channel LED constant current drive control of RM9023
Chip is the constant current chip of two-port.The input terminal of RM9023 is electrically connected with positive pin 15, output end and negative pin
14 electrical connections, the peripheral circuit of three pin chips can be eliminated the need for using RM9023, encapsulating structure is advanced optimized, into one
Step improves production efficiency.
Preferably, the LED support 1 further includes flat square base 11, and 11 upper surface of pedestal is equipped with and anode
The positive polar region 13 and the cathode area 12 being electrically connected with negative pin 14, the positive polar region 13 and cathode area 12 that pin 15 is electrically connected
All choosing has conductivity good copper material, and the positive polar region 13 is electrically insulated with cathode area 12, and the linear constant current chip 2 is logical
It crosses glue and is fixed on cathode area 12, and the output end of the linear constant current chip 2 is electrically connected with cathode area 12, input terminal draws
Line is connected to positive polar region 13.
Preferably, for the ease of LED lamp bead and the linear constant current chip 2 being encapsulated on LED support 1 in LED light strip
Assemble welding, it is described anode pin 15 and negative pin 14 be respectively distributed on two sides opposite on pedestal 11.It is inciting somebody to action
LED lamp bead and the welding of linear constant current chip 2 are when on LED light strip circuit board, it is only necessary to by equipment by LED lamp bead and linearly
The positive pin 15 and negative pin 14 at 2 both ends of constant current chip are corresponding with the pad locations in LED light strip, with closing LED support 1
In flat rectangular, thus can keep LED support 1 it is stable rest on welding position, be arranged relative to pin in pedestal 11
The structure of lower surface, the more convenient welding of the design of the utility model, can lower welding difficulty, promote welding precision.
In use, linear constant current chip 2 directly replaces a LED in a unit being made of multiple LED lamp beads
The position of lamp bead can directly be concatenated with LED lamp bead, without increasing new circuit structure in waiting.It can be seen that using
The linear constant current chip 2 of the utility model encapsulating structure, since high pressure can be made after can directly replacing one of LED lamp bead
LED light strip normal work, i.e., the circuit board of high-voltage LED light bar at this time and the assembly method of LED lamp bead and lower voltage LED lamp band
It is identical, therefore the equipment production high-voltage LED light bar of production lower voltage LED lamp band can be used, production cost has greatly been saved, has been mentioned
The competitiveness of high-voltage LED light bar production industry is risen.
The above, the only preferred embodiment of the utility model, the utility model are not limited to above-mentioned implementation
Mode, as long as its technical effect for reaching the utility model with identical means, all should belong to the protection scope of the utility model.
Claims (5)
1. a kind of novel package structure of linear constant current chip, it is characterised in that: including LED support and be encapsulated in the LED branch
Linear constant current chip on frame, the LED support include positive pin and negative pin, and the linear constant current chip includes constant current
Output end and input terminal, the output end is electrically connected with negative pin, and the input terminal is electrically connected with positive pin.
2. a kind of novel package structure of linear constant current chip according to claim 1, it is characterised in that: the linear perseverance
Stream chip includes the single channel LED constant current drive control chip of TO252-2 encapsulation or SOT89-3 encapsulation.
3. a kind of novel package structure of linear constant current chip according to claim 1, it is characterised in that: the linear perseverance
Stream chip includes the single channel LED constant current drive control chip of model RM9023.
4. a kind of novel package structure of linear constant current chip according to claim 3, it is characterised in that: the LED branch
Frame further includes pedestal, and the pedestal upper surface is equipped with the positive polar region that is electrically connected with positive pin and is electrically connected with negative pin
Cathode area, the positive polar region are electrically insulated with cathode area, and the linear constant current chip is fixed on cathode area.
5. a kind of novel package structure of linear constant current chip according to claim 4, it is characterised in that: the anode draws
Foot and negative pin are respectively distributed on two sides opposite on pedestal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821354093.8U CN208889656U (en) | 2018-08-21 | 2018-08-21 | A kind of novel package structure of linear constant current chip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821354093.8U CN208889656U (en) | 2018-08-21 | 2018-08-21 | A kind of novel package structure of linear constant current chip |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208889656U true CN208889656U (en) | 2019-05-21 |
Family
ID=66509513
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821354093.8U Active CN208889656U (en) | 2018-08-21 | 2018-08-21 | A kind of novel package structure of linear constant current chip |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208889656U (en) |
-
2018
- 2018-08-21 CN CN201821354093.8U patent/CN208889656U/en active Active
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