20A Current Sensor Module ACS712 - Hall Effect Sensor

20A Current Sensor Module ACS712

The 20A Current Sensor Module ACS712 is an essential component for detecting and managing electrical currents in both AC and DC forms, with the ability to precisely measure up to 20A. Leveraging a Hall effect principle, the sensors detect the magnetic fields created by current flows and translate these into a readable voltage level. Designed as a compact, reliable component, this module perfectly integrates with systems including Arduino to facilitate the development of robust current monitoring and protection systems.

Features

• Detects alternating and direct currents up to 20A.
• Built on the reliable ACS712 Hall effect sensor.
• Provides low-noise and highly efficient analog signal outputs.
• Output voltage proportional to current flow.
• Quick response time of 5 µs for transient inputs.
• Factory-trimmed for superior accuracy, ensuring reliable readings.
• Minimal magnetic hysteresis for enhanced measurement consistency.
• Operable within a 5.0 V single-supply system.

Applications

This versatile current sensor is ideal for over-current protection circuits, battery charging stations, programmable current sources, digital watt meters, and switching mode power supplies. The Current Sensor Module ACS712 is particularly useful for projects involving Arduino, making it a popular choice for hobbyists and professionals alike.

Specifications

Interfacing Circuit

Use the analog I/O port of Arduino to read the current signal. Align the module correctly and minimize exposure to external magnetic fields for optimal operation.

How to Use

To ensure accurate and safe operation, make sure to connect the module to a compatible microcontroller, aligning the interface pins properly. Avoid interference from external magnetic fields where possible.

Package Includes

• 1 x 20A Range Current Sensor Module ACS712

Additional Links

For detailed understanding and application, see the Datasheet and visit the Hall Effect Sensor Wikipedia page.

Video Tutorial