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It's right there in our vision: Allegro is moving technology—and the world—toward a safer and more sustainable future. Our robust, high-performance power and sensing solutions help you improve reliability, safety, and efficiency in green energy and infrastructure applications.
From solar energy systems and power supplies to EV charging and energy infrastructures, our advancements in electrification, sustainability, and connectivity enable efficient technology to help you be ready for the future.
The electrification of cars require high current delivery with very low power losses. Our Magnetic Sensing allows just that with high accuracy, fast reaction and small size.
Allegro can help you keep servers running reliably 24/7 while also accounting for every milliwatt of potential energy savings. Check out our selection guide!
Our current sensors shine at high voltages. See how they're enabling the ever-growing supply of solar power.
Allegro’s integrated Hall current sensor IC portfolio provides the world’s most compact current sensing solutions with embedded high voltage isolation for inverters, power conversion and management in photovoltaic and other renewable power applications.
The worlds leading clean energy companies innovate with Allegro
Closed-loop current sensing technology is employed in many industrial and automotive applications for accurate current sensing. Allegro MicroSystems has developed magnetic-based current sensor IC solutions that achieve near closed-loop accuracy using an open-loop topology.Learn More
June 01, 2021
The ACS3761X Hall-effect sensor IC solution family is a coreless and shield-free solution, reducing BOM and overall inverter size and weight. These differential sensors reject stray magnetic fields, reducing reliance on software. The family is optimized for a large range of currents, 100 A to >4000 ...Learn More
This application note will describe the use of the new high current ACS772 Hall-effect current sensor integrated circuit (IC) from Allegro MicroSystems and will give an overview of its features and improvements from previous Allegro high-current sensors.Learn More
AN296154 - This application note describes the use of the new highly isolated, high bandwidth ACS733 Hall-effect current sensor integrated circuit (IC) from Allegro MicroSystems and gives an overview of its features and advantages over a highspeed current transformer (CT) current sensing solution.Learn More
Allegro’s ACS37800 offers its customers the capability to easily monitor and optimize the energy efficiency of power supplies, lighting, and motor control sub-systems in connected building automation solutions while simplifying the system design.Learn More