Current Sensing

Allegro has been driving innovation in the current sensor industry for nearly 20 years, with a history of first-to-market products that give our customers a competitive edge. Our advanced ICs help you achieve higher efficiency and power density in your designs. Our fully integrated solutions make design-in easy.

We're leading the market in main traction motor and auxiliary inverters for electric vehicles, and OEMs trust Allegro for applications like DC to DC converters and on-board chargers. We also shine at high voltage with industry leading isolation ratings of up to 1100Vrms—ideal for residential and industrial solar inverter applications.

0 to 50 A Integrated

Our family of fully integrated, high isolation current sensor solutions provides accurate measurement of current up to 50 Amps continuous with very low resistance—all in low profile, standard packaging footprints.  Check out what we have to offer in the 0 to 50 A category.

See the Sensors

0 to 50 A Integrated

Our family of fully integrated, high isolation current sensor solutions provides accurate measurement of current up to 50 Amps continuous with very low resistance—all in low profile, standard packaging footprints.  Check out what we have to offer in the 0 to 50 A category.

See the Sensors

50 to 400 A Integrated 

Did know know Allegro invented the first fully integrated current sensor IC with high isolation for sensing up to 400Amps? See what we have to offer in this category today.

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50 to 400 A Integrated 

Did know know Allegro invented the first fully integrated current sensor IC with high isolation for sensing up to 400Amps? See what we have to offer in this category today.

Learn More

SIP Package 0 to >1000 A 

Allegro supplies a world class portfolio of current sensor ICs for high current measurement up to and beyond 1000 Amps. This product family offers industry leading accuracy and safety, as well as a history of high reliability.

Check Out the Devices

SIP Package 0 to >1000 A 

Allegro supplies a world class portfolio of current sensor ICs for high current measurement up to and beyond 1000 Amps. This product family offers industry leading accuracy and safety, as well as a history of high reliability.

Check Out the Devices