
Current Sensors
Precision current sensing for efficient, high-voltage designs.
Allegro’s current sensors deliver galvanic isolation, lossless operation, and high-precision accuracy—enabling maximum efficiency and power density in compact systems. Designed for EV traction and auxiliary inverters, DC-DC converters, on-board chargers, solar inverters, and industrial power systems, our solutions offer isolation ratings up to 5 kVRMS, ultra-low conductor resistance down to 0.1 milliohms, and bandwidths up to 5 MHz for GaN/SiC power electronics.
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Field Current Sensors

Integrated Current Sensors
Featured Products

ACS37220

CT455

ACS37610 and ACS37611

ACS37041 and ACS37042
Documentation & Resources

Current Sensors in Robotics: Precision, Efficiency, and Safety in Every Movement New

Solving EV Charging with High-Performance Gate Drivers and Current Sensors

Rethink PCB Current Sensing

New 400 kHz Current Sensors Enable More Sustainable Designs in Switch-Mode Power Designs

Solar Energy Systems – New Market Trends in Current Sensing

CMTI Comparison for Allegro Integrated Conductor Current Sensors

Magnetic Sensors are a Great Alternative to Traditional Shunt Resistors for Industrial Current Sensing

Brochure: Lift Designs to the Next Level

XtremeSense™ TMR Technology

ACS37030/2 High Bandwidth 5 MHz Current Sensor Enables High-Speed Control and Protection in Power Converter Applications

An Effective Method for Characterizing System Bandwidth in Complex Current Sensor Applications

High-Current Measurement with Allegro Current Sensor IC and Ferromagnetic Core: Impact of Eddy Currents

Allegro is Driving the Future with Reliable eMobility Solutions

Increasing System Safety using the A1365 Programmable Linear Hall-Effect Sensor IC with Self-Test Diagnostic Mode
