Quality Standards and Environmental Certifications

Solar Energy Systems

Solar energy systems need to be highly efficient in order to maximize power generation from available sunlight. Our solar solutions offer market-leading performance at high voltages while reducing system complexity and size, helping you lower costs and increase output.

Select a subsystem below to view related products.

Solar Energy Application Diagram

More

Motorized Solar Tracker

AMT49413 – High Power BLDC MOSFET Controller

A4979 – Microstepping Programmable Stepper Motor Driver
Close

More

PV DC Protection & MPPT Current Sensing

ACS37002 – High Accuracy Current & Fault Sensor

ACS732 – 1 MHz Sensor and Over-Current Fault

ACS724 – 0A-65A AC or DC Current Sensor
Close

More

Battery Charging Monitoring

ACS37002 – High Accuracy Current & Fault Sensor

ACS732 – 1 MHz Sensor and Over-Current Fault

ACS71240 – Current & Over-Current Sensor
Close

More

DC/DC Conversion Protection

ACS37002 – High Accuracy Current & Fault Sensor

ACS732 – 1 MHz Sensor and Over-Current Fault

ACS724 – 0A-65A AC or DC Current Sensor

Fully Integrated Isolated Gate Driver

AHV85110: Isolated GaNFET Driver with Integrated Isolated Bias Supply

AHV85111: Isolated GaNFET Driver with Regulated Bipolar Output Drive
Close

More

DC/AC Conversion Monitoring & Protection

ACS37002 – High Accuracy Current & Fault Sensor

ACS732 – 1 MHz Sensor and Over-Current Fault

Fully Integrated Isolated Gate Driver

AHV85110: Isolated GaNFET Driver with Integrated Isolated Bias Supply

AHV85111: Isolated GaNFET Driver with Regulated Bipolar Output Drive
Close

Featured Products

AMT49413K Product Image: a High Power BLDC MOSFET Controller with Integrated Hall Commutation for Solar Tracker technology

AMT49413

High Power BLDC MOSFET Controller with Integrated Hall Commutation

Allegro's MA-LA-MC Packages

ACS37002

400 kHz, High Accuracy Current Sensor with Pin-Selectable Gains

ACS732-3 Product image

ACS732 and ACS733

1 MHz Bandwidth, Galvanically Isolated Current Sensor IC in SOIC-16 Package

Isolated ganfet Gate Driver - NH Packaging Image

AHV85110

Self-Powered Single-Channel Isolated GaNFET Driver with Power-Thru Integrated Isolated Bias Supply

Documentation & Resources

Technical Article

Solving the Challenges of Increasing Power Density by Reducing Number of Power Rails

March 28, 2023

P0243 - This article overviews challenges associated with high-power-density solutions and the technologies that best enable the desired outcome.

Technical Article

Solar Energy Systems – New Market Trends in Current Sensing

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

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.

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.

Application Note

Current Sensing for Power Delivery

March 11, 2022

AN296256 - This article will discuss the advantages of various current sensing methods in power delivery.

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.

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

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.

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

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.

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.