The ACS712 Current Sensor 20A is a fully integrated, Hall-effect-based linear sensor IC that provides accurate current measurement for both AC and DC signals. This sensor can measure up to ±20A of current and outputs a corresponding analog voltage signal. It is widely used in applications requiring precise current monitoring and control, such as in motor control, load detection, and power management systems.
Key Features:
- Current Range: Measures up to ±20A
- Voltage Output: Proportional to the current flowing through the sensor
- Accuracy: High accuracy and linearity
- Isolation: Galvanic isolation between the primary circuit (high current) and the output (low voltage)
- Power Supply: Single supply operation, typically 5V
- Temperature Stability: Stable performance over a wide temperature range
- Current Range: ±20A
- Sensitivity: 100 mV/A (typical)
- Supply Voltage: 4.5V to 5.5V
- Output Voltage: Analog output ranging from 0.5V to 4.5V (when powered by 5V)
- Response Time: 5 µs
- Bandwidth: 80 kHz
- Accuracy: ±1.5% (typical)
- Operating Temperature: -40°C to +85°C
- Size: Small form factor for easy integration
- Isolation Voltage: 2.1 kV RMS
- Motor Control: Used in applications requiring precise motor current monitoring and control.
- Power Management: Ideal for monitoring current in power supplies and battery management systems.
- Load Detection: Used in systems to detect and monitor load currents.
- Overcurrent Protection: Provides protection by detecting overcurrent conditions in various applications.
- Solar Power: Used in solar power systems to monitor the current generated by solar panels.
- Automotive: Applied in automotive systems for current sensing and monitoring.