Schematic of the ACS712 Current Sensor Circuit (tested circuit diagram of the current sensor module) The internal resistance of this conductive path is 1.2 mΩ typical, providing low power loss. The do ...

Brown University. "New Sensor Bares Faults In Smallest Possible, Most Advanced Circuits." ScienceDaily. ScienceDaily, 12 May 2003. <www.sciencedaily.com / releases / 2003 / 05 / 030512074130.htm>.

While LEDs are common in voltage detection applications, I have never seen an LED circuit that is dedicated to indicating the presence of low values of current flow. This simple LED current sensor ...

All the necessary components for a closed-loop circuit, such as compensation coil, Rshunt, and TMR sensor bridge, are integrated into a small 1 mm thin industry standard TSSOP16 SMD package.