LP-AM263P: Safe Current Sense

Tool/software:

Hello everyone,

I posted my question in another forum but unfortunately did not get an answer. Hopefully someone in this forum knows the answer to my question.

In the application note “Optimizing functional safety for industrial robots":

https://www.ti.com/lit/wp/spry347/spry347.pdf?ts=1721730369856&ref_url=http%253A%252F%252Fplagscan.com

what exactly do you mean here by “safe current sense”?

Do you mean,

1. isolated current measurement or
2. currents are measured redundantly or
3. both

Thank you in advance and best regards - Bui