Timeline for OPAMP - Current sense - unexpected behavior
Current License: CC BY-SA 4.0
6 events
when toggle format | what | by | license | comment | |
---|---|---|---|---|---|
May 6, 2018 at 13:09 | history | edited | D.A.S. | CC BY-SA 4.0 |
added 268 characters in body
|
May 6, 2018 at 12:38 | comment | added | D.A.S. | You are missing the fact that Vsat to Vcc , Vee rails needs RRO type for linear operation, but if all you want is a comparator, choose the threshold. So R3 goes to 0V not output. and change ratio for IRQ threshold | |
May 6, 2018 at 11:48 | comment | added | KarlKarlsom | I can't move the current sense to ground, as I have only access to the high side - that the LM358 has a voltage swing from 3.5V to 5mV. So that should be fine. What am I missing here with the high side current sensing? | |
May 6, 2018 at 11:42 | comment | added | KarlKarlsom | I can't move the current sense to ground, as I have only access to the high side. | |
May 5, 2018 at 17:10 | history | edited | D.A.S. | CC BY-SA 4.0 |
added 93 characters in body
|
May 5, 2018 at 16:53 | history | answered | D.A.S. | CC BY-SA 4.0 |