The objective is to design a high-speed, high-gain bidirectional current-sensing circuit for power systems and motor drive systems. Section 184.108.40.206 lists the design requirements of this application.
|Amplifier and ADC supply||3.3 V|
|Peak current to be measured from load to ground||20 A|
|Peak current to be measured from ground to load||12 A|
|Required Accuracy of current measurement||0.1%|
|Signal-Setting time at ADC input||< 1 µs|
|Current sensing direction||Bidirectional|