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ISOW7740: Is this connect configuration possible?

Part Number: ISOW7740
Other Parts Discussed in Thread: THVD1424, ISOW1432, ISOW7741, SN6501

Hi all.

I would like to drive RS-485 with DCDC of the digital Isolator.

Is it possible with the following configuration?

I think it is possible if THVD1424 can be powered by the secondary side power as follwing.

I thought I use ISOW1432, but I want to switch terminal resistor, so I am thinking of using THVD1424.

Please let me know if you have any other recommend configurations.

Best Regards,

Ryusuke