Re: Unpowered Bus Drivers

Hi John



Am Mittwoch, 27. April 2016, 22:45:51 schrieb John Dammeyer:
> Hi all,
> Does anyone have a list of which CAN bus drivers can be unpowered on a CAN
> bus without impacting the network?  As I understand it some of the earlier
> drivers like the P82C250 should not be powered down.  There are some TI
> devices that are designed to handle this.
>  
> Any information would be helpful.


Yes, as far as I know TI has such devices, remember Steve Corrigan. And TI has a very good reputation regarding CAN transceivers. But I don't have a part number for you.
May be it is worth adding this attribute as a flag to the CAN transceiver collection at the CAN Wiki. But again, there are too many properties of interest, that at the end you need to publish the data sheet.
. operating voltage
- power consumption
- power off behavior 
- propagation delay
- max speed
- low power feature
- housing
- EMI
- ...
and much more. The Wiki as it is can not offer a complete comparison, but only give an overview on manufacturers where to look at.

 Heinz 
 
 


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