A3959
PWM motor drivers for various applications
Manufacturer： allegro
series introduction
The A3959 Series is an advanced line of dual H-Bridge motor driver ICs designed for efficient control of bipolar stepper motors and DC motors in a variety of applications. Known for their versatility and robust performance, these integrated circuits provide a seamless solution for driving motors with precision and reliability. The A3959 Series features a wide operating voltage range, typically from 4.5V to 50V, and can deliver continuous output currents up to 2A per channel, making them suitable for both low and high-power applications.
One of the key attributes of the A3959 Series is its built-in current sensing capability, which allows for efficient control of motor torque and enhanced system performance. This feature is complemented by advanced protection mechanisms, including overcurrent protection, thermal shutdown, and under-voltage lockout, ensuring the components operate within safe limits and prolonging the lifespan of both the motor and the driver. The series also supports microstepping, enabling smoother operation and higher resolution in stepper motor applications, which is crucial for applications requiring fine movement control.
The design of the A3959 Series emphasizes compactness and efficiency, featuring a small form factor that is ideal for space-constrained environments. Its thermal pad enhances heat dissipation, allowing for optimal performance even under heavy loads. This makes the A3959 Series particularly suited for portable devices, robotics, automated machinery, and consumer electronics, where space and thermal management are critical.
Typical applications for the A3959 Series include 3D printers, CNC machines, robotics, and various automated equipment where precise motor control is essential. Additionally, its flexible architecture can be leveraged in automotive applications for power seat adjustments and window lifts. With its combination of high performance, robust protection features, and compact design, the A3959 Series stands out as a reliable choice for engineers seeking to integrate efficient motor control solutions into their designs.
Images for reference
24 PowerDIP
A4970
28-TSSOP