Specification:

• Supply Voltage: 4.5V~5.5V DC
• Measure Current Range: -30A~ 30A
• Sensitivity: 66mV/A
• Supply Voltage: 4.5V~5.5V DC
• Measure Current Range: -30A~ 30A
• Sensitivity: 66mV/A
• The current sensor chips: ACS712ELC
• Current Range: 30A
• Pin 5V power supply, on-board power indicator;
• The module can measure the positive and negative 30 amps, corresponding to the analog output 66mV / A;
• No test current through the output voltage is VCC / 2;
• PCB board size: 31x13mm

Features:

• The low-noise analog signal path
• Device bandwidth is set via the new FILTER pin
• 5 µs output rise time in response to step input current
• Small footprint, low-profile SOIC8 package
• 2.1 kV RMS minimum isolation voltage from pins 1-4 to pins 5-8
• 5.0 V, single-supply operation
• 66 to 185 mV/A output sensitivity
• Output voltage proportional to AC or DC currents
• Factory-trimmed for accuracy
• Extremely stable output offset voltage
• Nearly zero magnetic hysteresis
• The ratio metric output from the supply voltage.

Note: ACS712 is based on Hall detection principle, please try to avoid the magnetic field, when using as it may impact the reading accuracy.

Applications:

• Motor control
• Load detection and management
• Switched-mode power supplies
• Over current fault protection.