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Application scheme

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Display board ESD protection scheme
Publish:Shenzhen Tergy Technology Co., Ltd.  Time:2018-01-02
Display board ESD protection scheme
Solution:
顯示板ESD保護方案
Design Description:
Protection application:
ESD is likely to be produced on the periphery of the touch panel.
The solution shows that:
There are 4 demonstration lines on the example diagram on the left, and the number of lines in the actual application may vary. The diagram uses a split multilayered varistor, which provides greater flexibility for the layout of the circuit board.
Supporting solutions:
In addition to the above recommendations, other solutions are provided in the LF product portfolio. For example, a diode array of different channels (2?? 14 lines) can be used for the actual situation of matching.
Regulatory issues:
IEC 61000-4-2 is the most suitable standard for such circuits. The test can prove that the terminal product is not vulnerable to ESD.
Characteristics: not applicable.
Application warning: not applicable.
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