5A ACS712 Current Sensor

The 5AACS712 range Current Sensor Module consists of a precise, low-offset, linearHall circuitwith a copper conduction path located near the surface of the die. Applied current flowing through this copper conduction path generates a magnetic field in which theHall ICconverts into a proportional voltage.

Sensing and controlling current flow is a fundamental requirement in a wide variety of applications including, over-current protection circuits, battery chargers, switching mode power supplies, digital watt meters, programmable current sources, etc.

Connection Diagram:

Current Sensor Connection With Arduino

The curve of relation between the DC input voltage and measuring current:

Fig: Output Voltage vs. Sensed Voltage?read our blog explainingInterfacing acs712 current sensor with Arduino, which provides information about the ACS712 current sensor, discussing its features, working principle, hardware requirements, and applications.