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Current Sensor ICs

Current Sensor ICs

Allegro MicroSystems, LLC has been driving innovation in the current sensor industry for more than 20 years, and continue to deliver first-to-market products that allow you to get a competitive edge over your competitors. Allegro offers a line of fully integrated Hall-effect current sensor ICs that provide highly accurate, low noise output voltage signals that are proportional to an applied AC or DC current, sensing even beyond 200 A with Allegro innovative linear ICs.

These current sensor ICs are in high volume production in many Industrial applications such as Motor Control, Smart Meters, 2-wheelers, Robotics, Building Automation or Power tools, and in various places in today’s cars. We also shine at high voltage with industry leading isolation ratings of up to 1100 Vrms—ideal for residential and industrial solar inverter applications. Additionally, Allegro’s current sensors are also used in many power monitoring applications, such as data centers and server power supplies.

Allegro’s current sensors employ unique advanced IC and packaging techniques that help Design Engineers innovate in their new challenging applications, especially when increased energy efficiency and new operating features are required is required.

ACS711

ACS711

Hall Effect Linear Current Sensor with Overcurrent Fault Output for <100 V Isolation Applications

Applications: Smart Meter, Factory Automation, eBike

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ACS72981

ACS72981

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

Applications: Two-wheelers, Electrical Power Steering, Motor Control

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ACS71240

ACS71240

Galvanically Isolated Current Sensor IC with Common-Mode Field Rejection and Overcurrent Detection in Small Footprint Low-Profile Packages

Applications: Brakes, Audio Amplifier, Actuators

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ACS70331

ACS70331

High Sensitivity, 1 MHz, GMR-Based Current Sensor IC in Space-Saving Low Resistance QFN and SOIC packages

Applications: Instrumentation, Medical, Surveillance

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ACS730

ACS730

1 MHz Bandwidth, Galvanically Isolated Current Sensor IC in Small Footprint SOIC8 Package

Applications: Telecommunication, Power Supplies, Air Conditioner

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ACS730

ACS37002

The ACS37002 is a 400kHz fully integrated Hall-Effect current sensor with very high accuracy, making it ideal for use in control loops of the most demanding power conversion applications. Current flows through the internal conductor coupling the magnetic field generated to the Hall sensor IC.

Applications: Solar, variable frequency drives, DC/DC converters, automotive motor applications

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