Part Number: TIDA-01513
Tool/software:
Dear team,
I want to use TPSA2140 for my insulation monitoring. I have gone through TIDA 1513 document but I am not sure about calculating RISO_POS and RISO_NEG value individually.
As per one forum, below equations are mentioned.
| Positive Error | S1 open, S2 closed | RISO= (Rs2(HV_BATT+VREF))/(ISO_NEG-VREF)-Rns2-Rns1 |
| Negative Error | S1 closed, S2 open | RISO= -Rs1(HV_BATT+VREF)/(ISO_POS-VREF)-Rps1-Rps2 |
Here, Positive error gives RISO_POS? Negative error gives RISO_NEG? Is my assumption correct?
Are these equations correct
What is the purpose of S1 and S2 closed scenario?
It would be really helpful if anyone can clarify