Hello Stanly,
You are correct, the INA219 does not support that BUS voltage. If the INA219 is still needed, then here are a couple of design guides that can be used to to make this work:
https://www.ti.com/tool/TIDA-00528
https://www.ti.com/tool…
Hai Andrews !!!
1. May i Know the maximum threshold current that TIDA-00528 (40V to 400V Uni-directional Current/Voltage/Power Monitoring Reference Design) board can withstand ??? For my applications, current rating is 25A respectively..,
2. As i…
Hi Jimmy,
I missed the uA. Thank you for catching that and apologies for the mistake.
I would not use the TMCS1108 as the offset error is in the mA range and would not allow for accurate measurements in uA. We do have the new TMCS1123 with higher…
Hey Lukas,
Oh, I also forgot about this reference design: https://www.ti.com/tool/TIDA-00528 . This use case is specific to 400V, but does use high side. In this design they chose to go with the voltage divider over any opamp method, so it will still…
Mohammad,
We have a few ways to do this.
The first is with our digital product line, which could pass the signal via I2C to the microcontroller: TIDA-00528
You can also do this with our analog devices using a clamping diode: TIDA-00332
We also…
Hello Neel,
Thanks for posting to the forum. Here is the application note for the circuit shown in Figure 32: http://www.ti.com/tool/TIDA-00528
The Rshunt and RL set the gain of the circuit. The Rshunt is applied acros the RG resistor to create an…
Hi Phrahlad,
I missed the application recommendation! If your customer is willing to use the external components then you can recommend LMP92064. I would recommend they try this on the lab before designing any layout. This is just a reference design…
Hi Ian,
I had an idea of modifying my design for positive rail but it would work only if you only needed to measure current and not Vbus and power. So this would not work for your application.
Unfortunately we have not design yet a circuit that…
Part Number: INA168 Other Parts Discussed in Thread: ISO1541 , TIDA-00313 , INA226 , TIDA-01608 , ISOW7842 , INA260 , OPA333 , TIDA-00528 , TIDA-00332 , INA138 , AMC1100 , AMC1200 , INA149-EP Hi All,
URGENT!!
I want High side current monitor, low…
