Description
The MAX471 current sensor module is a complete, bidirectional, high-side current-sense amplifier designed for accurate current measurement in battery-powered and portable systems. With its internal precision sense resistor and low supply current, it offers a reliable and efficient way to monitor both charging and discharging currents without interfering with ground paths.
Key Features
- High-Side Current Sensing: Does not interfere with system ground
- ±3A Range: Measures charging and discharging currents
- Analog Output: 1V per amp linear output
- Internal Sense Resistor: Built-in precision for accurate readings
- Ultra-Low Power: Only 100µA during operation, 18µA in shutdown
Specification
- Model: MAX471
- Current Sensing Range: ±3A
- Operating Voltage: 3V – 36V
- Output Voltage: 1V per amp
- Accuracy: ±2% over temperature
- Supply Current: 100µA max
- Shutdown Current: 18µA max
- Package Type: 8-pin DIP/SO
- Dimensions: 20.3 mm × 19.5 mm
- Weight: 4 g
Application
- Battery charge/discharge monitoring
- Motor current control and protection
- Smart energy metering
- Overcurrent protection systems
- DC power supply current monitoring