Feb 09, 2021
04:06 AM
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Feb 09, 2021
04:06 AM
Hi,
We are facing the issue of MCU hanging due to noise in the ground while operating the relay.
We want to resolve this issue with help of an expert.
How to get expert development support for PSoC 4 family?
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PSoC 4 MCU
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- MCU hangs
1 Reply
Feb 16, 2021
07:30 PM
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Feb 16, 2021
07:30 PM
Hi,
The general problem with using relays connected to microcontrollers is conducted noise immunity problem. When relay switches it generates pulses of voltage which travels across the power supply and reach the microcontroller.
Please refer the following appnote for complete details and mitigation techniques of this problem.
Thanks
Ganesh