Quality Standards and Environmental Certifications

0 to 400 A Current Sensor ICs with Integrated Conductor

Allegro drives innovation in the current sensor industry with a history of first-to-market products that give our customers a competitive edge. Did you know we invented the 100uOhm CB package with high isolation for sensing up to 400Amps? It offers world leading efficiency and power density.

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.
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Featured Products

ACS72981 Product Image

ACS72981

High-Precision Linear Hall-Effect-Based Current Sensor IC With 200 μΩ Current Conductor

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Allegro 5 Pin PFF Lead CB Package

ACS772

200kHz, 1.5% Max Tolerance, 100 µΩ Internal Resistance Module-alternative Current Sensor, working off of a single 5 V supply

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ACS773 Product Image

ACS773

200kHz, 1.5% Max Tolerance, 100 µΩ Internal Resistance Module-alternative Current Sensor, working off of a single 3.3 V supply

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Current Sensor IC 0 to 400 A Selection Guide

Related Resources

Current Sensors

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

This application note describes multiple methods for measuring and characterizing system bandwidth, with a focus on the impulse response method. Allegro’s ACS720 is the perfect device to validate the test methods outlined here.

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Current Sensors

Achieving Closed-Loop Accuracy in Open-Loop Current Sensors

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.

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Semiconductors (general)

Allegro Product Selection Guide

Sense. Regulate. Drive. Check out our device offerings and packages across all of our product families in this PDF selection guide.

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Current Sensors

Techniques to Minimize Common-Mode Field Interference When Using Allegro Current Sensor ICs (ACS724 and ACS780)

This application note will discuss the mechanism of CMR and focus on how to best use this mechanism through optimized circuit board design and layout for sensors that need an external magnetic core, sensors that have a core built into the package, and sensors that have an integrated ...

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