CN214225330U - Test switching device for linear lithium battery integrated circuit - Google Patents
Test switching device for linear lithium battery integrated circuit Download PDFInfo
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- CN214225330U CN214225330U CN202022244109.3U CN202022244109U CN214225330U CN 214225330 U CN214225330 U CN 214225330U CN 202022244109 U CN202022244109 U CN 202022244109U CN 214225330 U CN214225330 U CN 214225330U
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Abstract
The utility model discloses a linear lithium cell is test switching device for integrated circuit belongs to chip test control field. The utility model discloses a chip, the left side of chip be equipped with be used for the test machine interface district that the test machine is connected, the right side be equipped with be used for with the sorter interface district that the await measuring charger is connected, be provided with temperature protection test area, overcharge protection test area, enable control test area, state simulation test area between test machine interface district and the sorter interface district, the test machine interface district is connected to the sorter interface district through state simulation test area, the utility model provides a test switching device is rationally distributed, and the interface dispersion is in the periphery of chip, and the centre is various test areas, makes things convenient for the wiring when linear charger chip tests; the method is suitable for a series of lithium battery charging integrated circuits such as TP4054, TP4055, TP4056 and TP 4057.
Description
Technical Field
The utility model relates to a chip test control field, concretely relates to linear lithium cell is test switching device for integrated circuit.
Background
The linear lithium battery integrated circuit has been widely used in electrical appliances such as mobile phones, remote control cars, and portable devices due to its packaging and small number of external components.
In the prior art, the test on the linear lithium battery integrated circuit basically only aims at the charge and discharge performance of the lithium battery, but lacks the tests on the temperature protection, the overcharge protection, the enabling control and the like of the lithium battery.
Disclosure of Invention
An object of the utility model is to provide a linear lithium cell is test switching device for integrated circuit.
The technical scheme of the utility model is that: the test switching device for the linear lithium battery integrated circuit comprises a chip, wherein a test machine interface area connected with a test machine is arranged on the left side of the chip, a sorting machine interface area connected with a charger to be tested is arranged on the right side of the chip, a temperature protection test area, an overcharge protection test area, an enable control test area and a state simulation test area are arranged between the test machine interface area and the sorting machine interface area, the state simulation test area is respectively connected with the temperature protection test area, the overcharge protection test area and the enable control test area, and the test machine interface area is connected to the sorting machine interface area through the state simulation test area.
According to the further technical scheme, the tester interface area comprises a tester interface I area and a tester interface II area which are sequentially arranged from top to bottom, and the sorter interface area comprises a sorter interface I area and a sorter interface II area which are sequentially arranged from top to bottom.
The utility model has the advantages that:
1. the test switching device provided by the utility model has reasonable layout, the interfaces are dispersed at the periphery of the chip, and various test areas are arranged in the middle of the chip, thereby facilitating the wiring of the linear charger chip during testing; the circuit is suitable for a series of lithium battery charging integrated circuits such as TP4054, TP4055, TP4056 and TP 4057;
2. the utility model discloses set up two sorter interfaces, when combining test system software to use two simultaneously and survey test panel, can four chips of concurrent test, improved about 300% with the output of the every hour of test of chip.
Drawings
Fig. 1 is a schematic diagram of the system of the present invention.
The system comprises a chip 1, a chip 2, a tester interface area 21, a tester interface I area 22, a tester interface II area 3, a sorter interface area 31, a sorter interface I area 32, a sorter interface II area 4, a temperature protection test area 5, an overcharge protection test area 6, an enable control test area 7 and a state simulation test area.
Detailed Description
The invention will be further elucidated below by means of non-limiting examples, with the understanding that the invention is not limited thereto.
As shown in fig. 1, the utility model relates to a linear lithium cell integrated circuit is with test switching device, including chip 1, the left side of chip 1 is equipped with and is used for the test machine interface district 2 that the test machine is connected, and the right side of chip 1 is equipped with the sorter interface district 3 that is used for being connected with the examination charger that awaits measuring, and test machine interface district 2 includes from last I district 21 of test machine interface, the II district 22 of test machine interface that down arranges in proper order, sorter interface district 3 includes from last I district 31 of sorter interface, II districts 32 of sorter interface that down arranges in proper order.
A temperature protection test area 4, an overcharge protection test area 5, an enable control test area 6 and a state simulation test area 7 are arranged between the tester interface area 2 and the sorter interface area 3, the state simulation test area 7 is respectively connected with the temperature protection test area 4, the overcharge protection test area 5 and the enable control test area 6, the tester interface I area 21 is connected to the sorter interface I area 31 through the state simulation test area 7, and the tester interface II area 22 is connected to the sorter interface II area 32 through the state simulation test area 7.
During the use, get two linear charger chips, insert on sorter interface I district 31, sorter interface II district 32 like TP 405X, the test machine does the utility model provides a highest 120v, 20A's electric current can simulate being full of lithium cell in real time, various states in the battery charging process such as filling, not having the electricity realize multiple functions such as temperature protection test, overcharge protection test, enable control test.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (2)
1. The utility model provides a linear lithium cell integrated circuit is with test switching device, includes the chip, its characterized in that: the tester interface area is connected with the tester, the sorter interface area is arranged on the right side of the chip and is used for being connected with a charger to be tested, a temperature protection test area, an overcharge protection test area, an enable control test area and a state simulation test area are arranged between the tester interface area and the sorter interface area, the state simulation test area is connected with the temperature protection test area, the overcharge protection test area and the enable control test area respectively, and the tester interface area is connected to the sorter interface area through the state simulation test area.
2. The test switching device for the integrated circuit of the lithium linear battery as claimed in claim 1, wherein: the tester interface area comprises a tester interface I area and a tester interface II area which are sequentially arranged from top to bottom, and the sorter interface area comprises a sorter interface working area and a sorter interface II area which are sequentially arranged from top to bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022244109.3U CN214225330U (en) | 2020-10-10 | 2020-10-10 | Test switching device for linear lithium battery integrated circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022244109.3U CN214225330U (en) | 2020-10-10 | 2020-10-10 | Test switching device for linear lithium battery integrated circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214225330U true CN214225330U (en) | 2021-09-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022244109.3U Active CN214225330U (en) | 2020-10-10 | 2020-10-10 | Test switching device for linear lithium battery integrated circuit |
Country Status (1)
| Country | Link |
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| CN (1) | CN214225330U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113828548A (en) * | 2021-11-26 | 2021-12-24 | 南京派格测控科技有限公司 | Radio frequency chip testing device and method |
-
2020
- 2020-10-10 CN CN202022244109.3U patent/CN214225330U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113828548A (en) * | 2021-11-26 | 2021-12-24 | 南京派格测控科技有限公司 | Radio frequency chip testing device and method |
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