MAX471 Voltage Current Sensor Module

MAX471 Voltage Current Sensor Module offers an accurate, compact, and efficient solution for measuring both voltage and current in DC circuits. Designers integrate it into battery monitoring systems, power analyzers, and embedded projects to track power usage with precision and simplicity.

Key Features:

• Dual Measurement Capability: Measures both voltage and current simultaneously.
• High Accuracy: Uses MAX471 IC for precise readings with minimal error.
• Bidirectional Current Sensing: Detects current flow in both directions for charging and discharging applications.
• Low Voltage Drop: Minimal series resistance reduces power loss.
• Simple Interface: Outputs analog voltage proportional to measured current and voltage.
• Compact Design: Fits easily into small enclosures and PCB layouts.

Technical Specifications:

• Operating Voltage: 3 V to 36 V DC
• Current Measurement Range: Up to ±3 A
• Voltage Measurement Range: 0 V to 36 V DC
• Measurement Output: Analog voltage proportional to current and voltage
• Current Sense Resistance: ~0.05 Ω shunt
• Accuracy: ±1% typical (depends on calibration)
• Operating Temperature: −40 °C to +85 °C

Mechanical Specifications:

• Module Type: Pre-assembled PCB module with onboard MAX471 IC
• Connector Type: Pin headers and screw terminals for easy wiring
• PCB Material: FR4 with solder mask
• Mounting: Through-hole pins or screw fixing

Dimensions:

• Length: ~25 mm
• Width: ~20 mm
• Height: ~8 mm (without header pins)

Pinout and Wiring:

• VCC: Module supply voltage (3–36 V DC)
• GND: Ground reference
• VOUT: Analog voltage proportional to measured circuit voltage
• IOUT: Analog voltage proportional to measured circuit current
• IN+ / IN−: High and low-side connections for current sensing

Datasheet Reference:

• MAX471 datasheet

Applications:

• Battery Management Systems: Monitor charging and discharging currents with precision.
• Solar Power Monitoring: Track energy generation and consumption in PV systems.
• Embedded Electronics: Integrate current and voltage sensing into microcontroller projects.
• Robotics and Automation: Measure motor currents for control and diagnostics.

Equivalent Models:

• INA219 Module: I²C-based voltage/current sensor with digital output.
• ACS712 Module: Hall-effect current sensor for AC/DC measurement.
• INA226 Module: High-precision digital power monitor.

Package Includes:

• 1 x MAX471 Voltage Current Sensor Module