Allegro motor drivers offer industry-leading robustness and safety, thriving in harsh, high voltage environments where competing parts fail.
But while our drivers are tough, they're also quiet. We are experts in helping our customers make their motors run more quietly, efficiently and reliably in automotive, industrial and consumer applications. And thanks to our decades of experience in motor control, we have developed embedded motion control algorithms that simplify designs while improving your motor performance and time to market.
Covering a wide range of power systems, our integrated MOSFET and Gate Driver ICs thrive in automotive, industrial, and consumer applications, ranging from 3.5V to 100V operating voltage.
We offer a broad portfolio of safe and robust brush DC and stepper motor solutions. With both integrated and MOSFET gate drives, our product lines are ideal for low- and high-power applications alike.
Highly innovative isolation boundary enables leading market leading electrical efficiency and up to 50% smaller than competitive solutions.
We offer a complete lineup of safe and robust stepper motor drivers for office automation, industrial, and automotive applications.
October 12, 2022
Service interruptions of servers can result in adverse scenarios including inefficient airflows created by fan blades that have lost power to maintenance in the presence of fan blades. This article introduces power loss brake (PLB) functionality and how lost power can be harnessed to improve ...Learn More
September 09, 2022
P0211 - This article describes how initial rotor position detection techniques can overcome torque generation challenges to provide anti-reverse, fast, sensorless startup.Learn More
September 08, 2022
P0127: Many BLDC motor applications require Hall-based position sensing to accommodate direction changes quickly and provide holding torque.. Allegro gate driver ICs with integrated Hall commutation are designed with the Hall-based commutation engine integrated into the IC.Learn More
June 30, 2022
P0193 - Power Tool engineers are duplicating resources with current product designs as they often use different motor drivers, manufacturers, design layouts for each product variation. This article reviews options to utilize a single platform in a wide array of applications – saving design time ...Learn More
April 15, 2022
Our brushless DC motor drivers help you design a common platform to address both high power and lower power designs. We integrate functions to allow for a single-platform approach, reducing engineering development cycles and improving time to market.Learn More
Designed for battery cooling fans and HVAC systems in EV and hybrid vehicles, the A89307 offers ultra-low noise and vibration by using a Field Oriented Control (FOC) algorithm to drive continuous sinusoidal current to the load, helping automakers reduce noise and improve battery life.Learn More
April 26, 2021
Stepper motors offer unique advantages over direct current (DC) and brushless DC (BLDC) motors in many applications. A bipolar stepper provides accurate open-loop position as well as zero-speed torque without using a control loop or external sensors.Learn More
October 13, 2020
Governments around the world, including the European Union and the United States, have placed mandatory fuel economy standards on combustion engines to reduce emissions. These initiatives will require innovative advances in technologies, driving the demand for increased efficiencies.Learn More
Many applications require reliable detection of reaching a mechanical endpoint without using an external sensor, and motor stall detection can be used instead. This article describes an innovative method of small stepper motor stall detection and its application.Learn More
Electronic devices allow inexpensive management of server components with minimal contributions to thermal signature, power draw, or physical size. Some, such as the Allegro MicroSystems A4942 three-phase sensorless BLDC fan-motor driver chip, are small enough to fit onto the hub PCB of mini ducted ...Learn More
This article discusses how using a common platform for both 12V and 48V starter generator systems will simplify and ease the transition to 48V solutions, as the electrical revolution continues to transform the automotive industry.Learn More