MAX4372HEUK+

Delivering exceptional precision at a cost-effective price point, the MAX4372HEUK+ current-sense amplifier by Maxim Integrated is a standout solution for measuring current with accuracy. Its wide application range, encompassing power supplies, battery management systems, and motor control, highlights its versatility in various settings. Operating seamlessly with a single 2.7V to 28V supply and capable of sensing voltage differentials across shunt resistors, this device offers flexibility and reliability in current measurements. The low input offset voltage and bias current contribute to accurate readings, minimizing discrepancies in current sensing operations. Boasting a gain bandwidth product of 500kHz and a fixed gain of 20V/V, this amplifier simplifies integration into diverse systems. Its output voltage swings within 25mV of the rails, ensuring seamless compatibility with low-voltage systems. Furthermore, the MAX4372HEUK+ includes safety features such as overcurrent detection and thermal shutdown, underscoring its commitment to system protection and longevity. Housed in a compact, thermally enhanced 5-pin SOT23 package, this amplifier is tailored for space-efficient designs and demanding environments

Key Features

• Low-Cost, Compact Current-Sense Solution
• 30µA Supply Current
• 2.7V to 28V Operating Supply
• 0.18% Full-Scale Accuracy
• 0.3mV Input Offset Voltage
• Low 1.5Ω Output Impedance
• Three Gain Versions Available
  • 20V/V (MAX4372T)
  • 50V/V (MAX4372F)
  • 100V/V (MAX4372H)
• High Accuracy +2V to +28V Common-Mode Range, Functional Down to 0V, Independent of Supply Voltage
• Available in a Space-Saving 5-Pin SOT23 Package and 3 x 2 UCSP™ (1mm x 1.5mm) Package

Application

• Cell Phones
• General-System/Board-Level Current Monitoring
• Notebook Computers
• Portable Battery-Powered Systems
• Power-Management Systems
• Precision-Current Sources
• Smart-Battery Packs/Chargers