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New 400 kHz Current Sensors Enable More Sustainable Designs in Switch-Mode Power Designs

July 01, 2020

Really Cool. Really Efficient. New 400 kHz current sensors enable more sustainable designs in switch-mode power designs.

Allegro's Coreless Current Sensor Solutions

June 01, 2021

The ACS3761X Hall-effect sensor IC solution family is a coreless and shield-free solution, reducing BOM and overall inverter size and weight. These differential sensors reject stray magnetic fields, reducing reliance on software. The family is optimized for a large range of currents, 100 A to >4000 ...

Convenient and Isolated Power Measurements via SPI or I2C using ACS71020 or ACS37800 Power Monitoring ICs

AN296180 - This application note describes the I2C and SPI interfaces on the ACS71020/ACS37800 Power Monitoring ICs from Allegro MicroSystems.

Allegro Current Sensor ICs: Unique Packaging Options for Every Thermal Budget

AN296190 - The data contained within this application note allows the user to effectively choose an Allegro current sensor package based on their system’s specifications.

Brochure: Integrated Power Monitoring with the ACS37800

Allegro’s ACS37800 offers its customers the capability to easily monitor and optimize the energy efficiency of power supplies, lighting, and motor control sub-systems in connected building automation solutions while simplifying the system design.

Method for Evaluating Thermal Performance of Allegro Current Sensors in Application

AN296236 - This application note discusses the industry standard of using RΘJA to design for maximum junction temperature and why it does not apply to Allegro MicroSystems integrated conductor current sensors.

Differential Current Sensing with the 1 MHz Bandwidth ACS733

AN296154 - This application note describes the use of the new highly isolated, high bandwidth ACS733 Hall-effect current sensor integrated circuit (IC) from Allegro MicroSystems and gives an overview of its features and advantages over a highspeed current transformer (CT) current sensing solution.

Improved Performance and Features of Allegro’s Next Generation, High Power Density CB Package Current Sensors

This application note will describe the use of the new high current ACS772 Hall-effect current sensor integrated circuit (IC) from Allegro MicroSystems and will give an overview of its features and improvements from previous Allegro high-current sensors.

Common Mode Field Rejection in Coreless Hall-Effect Current Sensor ICs

Allegro current sensor ICs use the Hall-effect to measure the magnetic field produced by an integrated, current-carrying loop, translating the magnetic field to a voltage which is proportional to the current flow.