ACS712 5A

320

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Description

This current sensor board is based on the Allegro ACS712ELCTR-05A bi-directional hall-effect current sensor chip that detects positive and negative flowing currents in the range of minus 5 Amps to positive 5 Amps. The board operates at 5V DC and the current flow through the sensor is converted to an output voltage starting at 1/2Vcc (or 2.5V) for no current flow and moves up 185mV per amp for positive current or down -185mV per amp for negative current.

For example:

The output voltage at +2 amps would be (2.5V + (0.185 * 2)) = 2.870 V

The output voltage at -5 amps would be (2.5V – (0.185 * 5)) = 1.575 V

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