Circuit for the Protection of CAN bus from high voltage 70V

Thread Starter


Joined Mar 21, 2020
Dear Team,

I am using ISO1042 in my design. My can bus voltage can go up to 70V.

I checked the reference design provided by TI .The ESD diode(CDSOT23-SM712) specified by TI can stand a reverse voltage of 12V (Max).

I checked for other ESD diodes which can with stand a reverse voltage more than 70V.I am not able to see an ESD diode with standoff of 70V.

The maximum clamping voltage allowed is 70V

May I know is there any other method to protect the CAN bus from high voltage.
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