Hello Awal,
You could look at the INA210. You will want a device with the lowest input offset (Vos) as possible. You can also refer to one of these designs as well for more ideas.
TIPD135 - 10uA-100mA, 0.05% Error, High-Side Current Sensing Solution…
Kuramochi-san, Have you solved your issue? The INA226-Q1 (10uA Ib typical) and INA220-Q1 (20uA Ib typical) would be your best options to satisfy your original requirements. You can additionally find low current measurement (10uA - 100mA) designs with…
Hello Hari,
The maximum full-scale linear output ratio I calculated was a quick calculation of Vout_max/Vout_min = 5V/0.05V = 100. This is actually not techincally accurate, but just for comparison. Any voltage output amplifier will have a linear region…
Other Parts Discussed in Thread: TPS2546 , TIPD104 , TIPD129 , TIPD156 , TIPD175 Hi Team,
my customer would like to use TPS2546 switch for the USB port charging. (5V/3A)
If the system need to detect the charging current and the SOC has the ADC, did we have…
Hello Leo,
We do not have other isolation amplifiers with higher input impedances.
However, you can include an amplifier in front of the AMC1200; depending on your input offset requirements have a couple of options:
a) You could use a simple op-amp used…
Other Parts Discussed in Thread: TIPD129 Hello,
For the moment, I'm looking for a current sensor to measure current in micro ample (uA). Does anyone tell me that TI have this type of sensor?
Thank you,
Hung
Hello Jan,
Another TI Design that may interest you is TIPD129 (http://www.ti.com/tool/tipd129). It is a low-side current sensing solution from 0-1A (requires calibration and the LM7705). You can adjust the sense resistor for your current range. I hope…