What is the function of the voltage regulator in the button circuit?

Hardware design

March 5, 2021 by Ernest 1563

All Comments

Royce Posted on March 5, 2021

This is not called a voltage regulator tube, this is a TVS tube. It is an ESD device and is used to protect this pin. When your hand touches the button, it may release static electricity and damage the pin of the chip.

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Cannon Posted on March 5, 2021

The esd protection of the interface.

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Milly Posted on March 5, 2021

This is ESD, usually used at the interface to prevent static electricity.

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