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The application is lightweight solar-powered vehicle, we've seen anywhere from 10 to 50 amps through the shunt depending on motor load. Unfortunately for this application power efficiency is paramount...
What also makes this very difficult is that there are not many active components suitable...
Hello, we've developed our own current measurement circuit for use with a large battery pack. There are several issues. A sketch of the circuit is shown--the dotted box is the shunt measurement board, which includes an ADC (not shown).
The digital output (14 bit resolution with 8x PGA active)...
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