Solar Energy
Allegro’s high-voltage current sensors enable safe, efficient solar power conversion—supporting the growing demand for clean energy.
Browse by application
Central Inverters and Combiners
Our reliable solutions extend the lifetime of your central inverter or combiner box, while smart diagnostics and out of range detection protect equipment and people.
Micro Inverters
Lean on Allegro's reputation for reliability to withstand extreme temperatures, humidity and dust, prolonging the lifetime of your rooftop microinverter. Our small, and integrated solutions improve power density, while reducing design complexity.
String Inverters and Optimizers
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.
Documentation & Resources
Technical Article
Solar Energy Systems – New Market Trends in Current Sensing
P0103 - As solar installations grow larger and more ambitious by the day, new trends in current sensing are emerging for this expanding energy market.
Technical Article
Solving the Challenges of Increasing Power Density by Reducing Number of Power Rails
P0243 - This article overviews challenges associated with high-power-density solutions and the technologies that best enable the desired outcome.
Application Note
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.
Infographic
How Sensor ICs Make Clean Energy Work
Sensor integrated circuits (ICs) are revolutionizing the world of clean energy. Explore the fascinating ways that sensor IC's are shaping out clean energy landscape and paving the way for a more sustainable future.
Video
Clean Energy Overview
In today’s ever-evolving world, clean energy is not just a necessity, but a global responsibility. Join us in paving the way for a cleaner, greener future! Watch Video.
Application Note
Current Sensing for Power Delivery
AN296256 - This article will discuss the advantages of various current sensing methods in power delivery.
Application Note
Improving Efficiency in Smart Grid Applications With Fully Integrated Current Sensing ICs
With increasing concerns about the global demand for energy and environmental awareness, power electronics applications are under pressure to improve efficiency.
Application Note
Vertical Hall Technology Enables Effective Tamper Detection
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.
Technical Article
Current Sensing For Renewable Energy
In grid-tied photovoltaic systems, designers must focus on minimizing cost per watt to deliver the best possible return on investment.
Whitepaper
Demystifying GaN Drivers in Clean Energy Application
The next generation of electric switches based on wide bandgap semiconductors are gaining popularity in the market.
eBook
Overcome the Challenges of Next-Gen Energy Systems
A comprehensive guide to energy efficiency and renewable energy.
Brochure
Brochure: Solar Energy Harvesting
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.
Application Note
Allegro Motor Driving with Angular Sensor IC
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.
Technical Article
Facilitating a Clean Energy Future with Current Sensing Solutions
Clean energy technologies, like solar, EV batteries, wind, and hydroelectric, offer a sustainable way to meet energy needs without releasing toxic greenhouse gases.