Description:
The MAX471 GY-471 3A Current Sensor Module is designed for precise measurement of DC currents up to ±3A. Utilizing the MAX471 IC, it features an internal 35mΩ current-sense resistor, enabling accurate high-side current sensing without disrupting the ground path. This module is ideal for monitoring battery-powered systems, power supplies, and various electronic projects requiring current measurement.
Operating within a voltage range of 3V to 36V, the module provides a linear voltage output proportional to the measured current, with a sensitivity of 1V per ampere. It includes an open-collector SIGN output to indicate current flow direction, allowing users to determine whether a battery is charging or discharging. The module’s compact design and compatibility with microcontroller platforms like Arduino and Raspberry Pi facilitate easy integration into diverse applications.
Specifications:
- Operating Voltage: 3V to 36V DC
- Current Measurement Range: ±3A
- Sensitivity: 1V per ampere
- Internal Sense Resistor: 35mΩ
- Output Type: Analog voltage
- SIGN Output: Open-collector, indicates the current flow direction
- Operating Current: <100µA
- Dimensions: 20mm x 19.5mm
Features:
- High-side current sensing up to ±3A
- Wide operating voltage range suitable for various applications
- Linear voltage output proportional to measured current
- SIGN output for determining current flow direction
- Low power consumption is ideal for battery-operated systems
Contents:
- 1 x MAX471 GY-471 3A Current Sensor Module