Allegro Current Sensors

We’ve been driving innovation in the current sensor industry since 2002, 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 us 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 1100 Vrms—ideal for residential and industrial solar inverter applications.

Features and Innovations

DC Working Voltage

Our packages have the highest working voltages in SOIC-16 footprint

Overcurrent Detection

Our current sensors include fast overcurrent detection in addition to a precision analog output.

High Speed sensors replace bulky current transformers

High speed integrated sensors are the smart alternative to bulky current transformers (CTs).

Current Sensors Innovations »

Featured Products

MA-LA-MC Packages


400 kHz, High Accuracy Current Sensor with Pin-Selectable Gains

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Programmable AC and DC Power Monitoring IC

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Standalone Coreless Differential Current Sensor IC

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Design Tools and Simulation

Coreless Current Sensor Busbar Calculator

Coreless PCB Calculator (ZIP)

Allegro Software Portal: Gain access to Allegro product software and design tools.


ACS LTspice Library