AXBB-E

[Greolt]

AXBB-E
How much current can a single isolated output sink?

Is it too much to expect it to operate three relays? Approx 150 ma

And should it have a snubbing diode?

Thanks

[jdg26]

Datasheet says 500mA max current for output pins.

Should have no issues driving the relays, as for the diode, I am not sure.

Here is the datasheet for reference: https://www.cncdrive.com/downloads/AXBB_E_manual.pdf

[cncdrive]

Yes, 500mA max. so the isolated outputs can drive relays without problem.
Snubbing diodes are always good to have as it reduces the stress on the output Mosfet transistor.

[Greolt]

OK all done.

Thanks for the help.