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.
Our packages have the highest working voltages in SOIC-16 footprint
Allegro’s current sensors include fast over-current detection in addition to a precision analog output.
High speed integrated sensors are the smart alternative to bulky current transformers (CTs).
Our family of fully integrated, high isolation current sensor solutions provides accurate measurement with very low resistance—all without the need for external isolation components.
Our high current sensor IC packages are fully integrated solutions that also provide high accuracy and reliability. These sensors are automotive-grade devices that can take the heat and deliver highly accurate open-loop current sensing in the harshest applications environments.
The ACS730 current sensor family provides a 1 MHz bandwidth with lightning fast 210 ns response time sensing for AC or DC current sensing in automotive, industrial, commercial, and communications systems.
The Allegro ACS724/ACS725 family of current sensor ICs are economical and precise solutions for AC or DC current sensing in industrial, automotive, consumer, and communications systems
Jun 24, 2020
Allegro MicroSystems announced the launch of the ACS37002 advanced Hall-effect current sensors. Enabling more efficient power conversion in higher frequency switching applications, the ACS37002 has 400kHz sensing bandwidth up to 180 A with low offset and better than 1% typical total accuracy over ...Learn More
Feb 13, 2020
Allegro MicroSystems has announced the release of the brand-new custom SOIC16W package, named “MC”, which marks a leap forward in the industry’s current sensing capabilities for power dense applications that require high isolation with low power loss.Learn More