Hello, I'm using the INA233 to monitor a -20V rail and a -28V rail. I'm using the INA266 -48V Reference Design:
https://www.ti.com/tool/TIDA-00313
Here is how I have wired up the INA233 devices:
Do you see any problems?
Thank you very much,
Joe
Hello, I've been reading page 7 of tidu361.pdf and they have some informaton on the Vbus resistor divider:
"Also, note that if the absolute bus voltage of the system is within the Vbus input operating voltage range (0
V to 36 V), then the resistor divider is not required and the user can connect the Vbus directly to the earth
ground of the system."
This changes my design a little:
Can you look over this and let me know if this will work?
Thank you very much.
Hello, thank you very much for those suggestions. Can you take one more look at my updated circuit please.
I added the caps on the I2C signals and flipped the isolator.
Thank you very much,
Joe
