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. This ACS721 current module is based on ACS712 sensor, which can accurately detect AC or DC current. The maximum AC or DC that can be detected can reach 30A, and the present current signal can be read via analog I / O port of Arduino.
Features
- Module can measure the positive and negative 30 amps
- 5.0 V, single supply operation.
- Output voltage proportional to AC or DC currents
- On-board power indicator
- Nearly zero magnetic hysteresis
- Factory-trimmed for accuracy
- Extremely stable output offset voltage
Technical Specifications
- Output Voltage: Analog output 66mV / A
- Operating Voltage Range: 4.5V ~ 5.5V
- No Current Output voltage is: VCC / 2
- PCB board size: 31 (mm) x14 (mm)
- 5 μs output rise time in response to step input current
- 80 kHz bandwidth
- Total output error 1.5% at TA = 25°C
- 1.2 mΩ internal conductor resistance
- 2.1 kVRMS minimum isolation voltage from pins 1-4 to pins 5-8
- 66 to 185 mV/A output sensitivity
Watch this video it will give you a clear idea about this product.
Documentation