MAX471 3A Range Current Sensor Module
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MAX471 3A Range Current Sensor Module

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  • Product SKU: KG952
₹ 349 ₹ 559
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The MAX471/MAX472 are complete, bidirectional, high-side current-sense amplifiers for portable PCs, telephones, and other systems where battery/DC power-line monitoring is critical. High-side power-line monitoring is especially useful in battery-powered systems since it does not interfere with the ground paths of the battery chargers or monitors often found in “smart” batteries.


Current Range: The module is optimized to measure currents within a range of up to 3 amperes. This range covers a broad spectrum of current levels commonly encountered in electronic circuits.

Analog Output: The MAX471 module generates an analog output voltage that corresponds to the measured current. This analog voltage can be interfaced with microcontrollers, ADCs, or other analog measurement systems for further processing and analysis.

Accuracy and Precision: The module is designed to offer accurate and precise current measurements, although the exact accuracy can vary based on factors such as module quality and calibration.

Protection: Some versions of the module may incorporate protective features to safeguard the sensor and associated components from overcurrent conditions. These features can enhance the module's durability and reliability.

Connectivity: The module typically includes input terminals to connect the current-carrying conductor. Additionally, it may have a power supply and ground pins for operation.

Calibration: Depending on the module's design, calibration might be necessary to establish an accurate relationship between the analog output voltage and the actual current value being measured.


Battery Management: Monitoring charging and discharging currents in batteries.

Motor Control: Regulating currents in motors and evaluating their performance.

Power Supplies: Monitoring and controlling current levels in power supply circuits.

Protection Systems: Implementing overcurrent protection by triggering actions when currents exceed predefined limits.

Energy Monitoring: Measuring current to assess energy consumption and efficiency.

Technical Details

  • Current sens max: +/- 3A
  • Current sense voltage: 3 to 36V
  • Sensor output: 1V / Amp

Physical Attributes

  • L x W (mm): 20.3 x 19.5
  • Weight (gm): 4


  • Complete High-Side Current Sensing
  • Precision Internal Sense Resistor (MAX471)
  • 2% Accuracy Over Temperature
  • Monitors Both Charge and Discharge
  • 3A Sense Capability with Internal Sense Resistor (MAX471)
  • Higher Current-Sense Capability with External Sense Resistor (MAX472)
  • 100µA Max Supply Current
  • 18µA Max Shutdown Mode
  • 3V to 36V Supply Operation
  • 8-Pin DIP/SO Packages
  • Product Video


    Package Includes

    • 1 x MAX471 3A Range Current Sensor Module

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