ACS712 Current Sensor Module 20A

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SKU 2.91(90279090 curren sensor module)

The 20A Range Current Sensor Module ACS712 is a widely used current sensing device that leverages the ACS712 IC to measure current in a circuit. It is compact, easy to use, and suitable for both DC and AC current measurement. Pin Configuration VCC: Power supply input (5V). GND: Ground connection. OUT: Analog output sig...

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The 20A Range Current Sensor Module ACS712 is a widely used current sensing device that leverages the ACS712 IC to measure current in a circuit. It is compact, easy to use, and suitable for both DC and AC current measurement.

Pin Configuration

  1. VCC: Power supply input (5V).
  2. GND: Ground connection.
  3. OUT: Analog output signal proportional to the current.

Working Principle

  • The ACS712 is a Hall Effect-based sensor.
  • It measures current by detecting the magnetic field generated around a conductor.
  • The module outputs an analog voltage proportional to the current being measured.
    • For example:
      • 0A Current: Output = 2.5V.
      • +20A Current: Output ~ 4.5V.
      • -20A Current: Output ~ 0.5V.

Applications

  • Motor control and monitoring.
  • Battery management systems.
  • Overcurrent protection.
  • Renewable energy systems (e.g., solar).
  • General-purpose current sensing in electronics.

 

Specifications

4
Current sensor chip
ACS712ELC-20A
Operating Voltage (V)
4.5V ~ 5.5V DC
Measure Current Range
-20 ~ 20A
Sensitivity
100mV/A

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