Description:

 This is a breakout board for the fully integrated Hall Effect based linear ACS712 current sensor. The sensor gives precise current measurement for both AC and DC signals. Thick copper conductor and signal traces allows for survival of the device up to 5 times overcurrent conditions.

The ACS712 outputs an analog voltage output signal that varies linearly with sensed current. The device requires 5VDC for VCC and a couple of filter capacitors. Please keep in mind that though the ACS712 is rated for 2.1kV isolation, the PCB it is on is not designed for that type of voltage. Please keep that in mind if you are using this breakout in high voltage applications.

Features:

• Output voltage proportional to AC or DC currents
• Factory-trimmed for accuracy
• Extremely stable output offset voltage
• Nearly zero magnetic hysteresis
• Ratiometric output from supply voltage
• Color: Blue
• Material: PCB + metal
• ACS712ELC-20A sensor chipset
• Powered by 5V power supply
• On-board power indicator
• Measures -20~+20A current, corresponding simulation output 100mV/A 
• Output voltage is VCC/2 when on current was measured
• ACS712 is based on the principle of Hall detection, please avoid the magnetic field affect when using it

Documents:

DataSheet