Our reliable solutions extend the lifetime of your string inverters and optimizers. Integrated features, and low power losses reduce design complexity, system temperatures and improve efficiency.
PV Input Current Sensors
ACS724 –High Accuracy Isolated Current Sensor
Optimizer Current Sensors
ACS711 – 0A-31A Hall Current & Fault Sensor
Fully Integrated Isolated Gate Drivers
AHV85110 – Self-Powered Single Channel Isolated GaNFET Driver
AHV85111 – Self-Powered Single Channel Isolated GaNFET Driver
MPPT Current Sensors
ACS37002 – 0-80A Current + Fault Sensor
DC/DC Current Sensors
ACS732/3 – 1 MHz Current & Over-Current Sensor
System Power Conversion
ARG81801 – Wide Input Voltage, 2.4 MHz, 3.0A Asynchronous Buck Regulator
AC Output Current Sensors
Three Phase Sensorless Drivers
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Automotive-Grade, Galvanically Isolated Current Sensor IC
Code-Free FOC Sensorless BLDC Motor Controller
Technical Article
March 28, 2023
P0243 - This article overviews challenges associated with high-power-density solutions and the technologies that best enable the desired outcome.
Application Note
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.
December 28, 2020
P0103 - As solar installations grow larger and more ambitious by the day, new trends in current sensing are emerging for this expanding energy market.
Selection Guide
Sense. Regulate. Drive. Check out our device offerings and packages across all of our product families in this PDF selection guide.
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.
March 11, 2022
AN296256 - This article will discuss the advantages of various current sensing methods in power delivery.
Brochure
Allegro’s current sensor ICs are ideal for use with solar applications, which include electronic subsystems like solar combiner boxes, DC/DC converters for maximum power point tracking (MPPT), and DC-AC inverters.
AN296171 - This application note will describe how to use Allegro’s motor driver and angle sensor solutions to enable precise driving and reliable monitoring of brushless DC (BLDC) motors.
With increasing concerns about the global demand for energy and environmental awareness, power electronics applications are under pressure to improve efficiency.
A recent breakthrough in Hall-effect sensing has enabled the creation of omnidirectional magnetic sensor ICs that match all of the requirements for tamper detection.
In grid-tied photovoltaic systems, designers must focus on minimizing cost per watt to deliver the best possible return on investment.
