6 Replies Latest reply on Dec 27, 2020 8:21 AM by rajkiransingh

ESD PROTECTION CIRCUIT

rajkiransingh Dec 15, 2020 11:02 AM

I am looking for ESD circuit for my New PCB design. Can you help me with that.

As there is lot of Electrostatic charges developed around and causing problem while we touch it.

kindly provide me some protection circuit for PCB.

Re: ESD PROTECTION CIRCUIT

dougw Dec 16, 2020 10:00 PM (in response to rajkiransingh)

There are many ICs that are designed to perform this function. Here is an example:
92K899792K8997

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- Re: ESD PROTECTION CIRCUIT
  
  rajkiransingh Dec 24, 2020 12:11 PM (in response to dougw)
  
  Thank you so much Mr Wong. Can i get complete circuit how to interface it. Whether i have interface in the Power supply or the Controller ?
  
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  - Re: ESD PROTECTION CIRCUIT
    
    dougw Dec 24, 2020 10:17 PM (in response to rajkiransingh)
    
    The chip connects to your power and ground and any signal you want to protect. The datasheet has an example schematic...
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    - Re: ESD PROTECTION CIRCUIT
      
      rajkiransingh Dec 27, 2020 8:21 AM (in response to dougw)
      
      Thank you so much Mr Wong, i will try this.
      
      And do you have any idea about precautionary steps to be take while designing A DC to DC Buck converter (Battery supply as a input) and Relay driver (DC geared motor as Load) ?
      
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Re: ESD PROTECTION CIRCUIT

aswinvenu Dec 17, 2020 5:52 AM (in response to rajkiransingh)

Hi Rajkiran,

Do you want to protect the IO pins from ESD? Use TVS ( Transient Voltage Suppressor ) Diodes on the inputs.
This gives a decent protection against ESD surge voltages.

Regards,
Aswin
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- Re: ESD PROTECTION CIRCUIT
  
  rajkiransingh Dec 24, 2020 12:12 PM (in response to aswinvenu)
  
  HI Aswin, thanks for the suggestion. can you suggest me any specific TVS diodes . Area of this circuit application will be outdoor.
  
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ESD PROTECTION CIRCUIT

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