Timeline for TVS protection for CAN bus
Current License: CC BY-SA 4.0
3 events
| when toggle format | what | by | license | comment | |
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| Oct 7, 2019 at 19:36 | comment | added | Maple | Furthermore, they have much lower tolerance for negative voltage (-4V in my case), which is why asymmetrical SM712 is so appealing. Although SN65 does have +/- 25V transient rating and 16kV ESD rating. But I'd rather have extra layer of protection in easy to replace TVS diode. Maybe this is overkill and I should rely on transceiver's protection. After all it is there for a reason. | |
| Oct 7, 2019 at 19:23 | comment | added | Maple | That spec is for Honeywell SDS, it should not be taken into account for generic CAN bus designs. Common transceivers, like SN65HVD232 I am using, follow ISO requirements for 16V. | |
| Oct 7, 2019 at 19:08 | history | answered | Huisman | CC BY-SA 4.0 |