Hello John,
John B said: I am wondering how can I find from datasheet that t he Vbus Impedance is 670kΩ ?
Yes, you found the right spot. It's spec'd a little different in this datasheet than we usually spec it, but that is the location. The VBUS is measured…
Part Number: INA3221 Other Parts Discussed in Thread: INA4230 , INA4235 Tool/software: I'd like to monitor a 24V line.
Vbus is specified 0 - 26V. I would normally give some margin of error on the 26V. Is there some margin built in to the specs of the…
Part Number: INA3221 Hi Team,
Customer have 2 questions about INA3221.
1. What's the Vgsth of PV open-drain output MOSFET?
2. What's the output type of Power valid detection? Vpu used as push-pull power supply or pull up of another open-drain output…
Hi Ishiwata, Does the customer see 0.2mV difference across an open shunt circuit?
Shuji Ishiwata said: Also, when the circuit to which the shunt resistor is connected is open, the voltage drop due to the shunt resistor is 0V, but the register value is …
Part Number: INA233 Other Parts Discussed in Thread: INA226 , INA230 , , INA236 , INA3221 Tool/software: Hello,
on which semiconductor technology are the following power monitors based?
INA226
INA230
INA233
INA236
INA3221
That could be helpful to evaluate…
Part Number: INA3221 Hi,
I'm using INA3221AIRGVR in my R&D project with all 3 channels connected as following:
- CH1 -> track 5V
- CH2 -> track 1.8V
- CH3 -> track 3.3V
1. For VPU, I connected it to VS (3.3V). Therefore, can PV (Power…
Part Number: INA3221-Q1 Other Parts Discussed in Thread: INA3221 , Team,
RGV16 package drawing is missing from datasheet on ti.com (- there is only 1st page, technical drawing for package/footprint dmiensions missing.
The same document could be found o…
Part Number: INA3221
Hi,
we are using INA3221 for voltage monitoring. Input is protected with 24V zener-diode. Current is limited by resistors in the level of mA.
I would like to know what happens if there is no power in VDD, but there might be 24V…
Hi Kimmo,
Which bidirectional text do you mean in the datasheet? I wasn't able to find it. Also, the INA3221 allows for negative shunt values from -163.8mV to 163.8mV. The VBUS is read off of IN-, so switching the polarity would cause the 12V (If I understood…