Allegro MicroSystems

A3977SLPTR-T  

Motor Drivers, Controllers

A3977SLPTR-T Description

The A3977SLPTR-T is a high-performance, surface-mount power management integrated circuit (PMIC) designed for driving bipolar stepper motors. Manufactured by Allegro MicroSystems, this device is housed in a 28-lead TSSOP package and is optimized for general-purpose applications requiring precise motor control. The A3977SLPTR-T operates within a supply voltage range of 3V to 5.5V and can handle load voltages from 8V to 35V, making it suitable for a wide range of power requirements. It features a half-bridge output configuration with a maximum current output of 2.5A, ensuring robust performance and reliability.

A3977SLPTR-T Features

The A3977SLPTR-T boasts several advanced features that set it apart from similar models. It supports multiple step resolutions, including 1, 1/2, 1/4, and 1/8, which allows for precise control and smooth operation of stepper motors. The device utilizes DMOS technology, which enhances its efficiency and thermal performance. Additionally, the A3977SLPTR-T is REACH unaffected and RoHS3 compliant, ensuring it meets stringent environmental and safety standards.

The A3977SLPTR-T also features a logic interface, which simplifies integration into various electronic systems. Its moisture sensitivity level (MSL) is rated at 2 (1 year), making it suitable for use in environments with varying humidity levels. The device is available in a tape and reel (TR) package, which facilitates efficient handling and assembly processes.

A3977SLPTR-T Applications

The A3977SLPTR-T is ideal for a variety of applications that require precise control of bipolar stepper motors. Its wide operating voltage range and high current output make it suitable for use in industrial automation, robotics, and medical equipment. The device’s ability to handle load voltages up to 35V and its multiple step resolutions ensure smooth and accurate motor operation, which is critical in applications such as CNC machines, 3D printers, and laboratory instruments.

The A3977SLPTR-T’s compact surface-mount package and robust performance make it an excellent choice for designers looking to integrate reliable motor control solutions into their products. Its compliance with environmental and safety standards also makes it suitable for use in sensitive environments where regulatory compliance is essential.

Conclusion of A3977SLPTR-T

The A3977SLPTR-T from Allegro MicroSystems is a versatile and reliable power management IC designed for driving bipolar stepper motors. Its advanced features, such as multiple step resolutions, DMOS technology, and compliance with environmental standards, make it a superior choice for a wide range of applications. The device’s robust performance, wide operating voltage range, and high current output ensure precise and efficient motor control, making it an ideal solution for industrial, medical, and automation applications. With its compact surface-mount package and efficient handling options, the A3977SLPTR-T is a standout product in the power management IC market.

A3977SLPTR-T Documents

Download datasheets and manufacturer documentation for A3977SLPTR-T

PCN Assembly/Origin :

A3977SLPTR-T Assembly Source 09/Sep/2013      

Datasheets :

A3977      

PCN Packaging :

Tape Change 27/Jan/2023      

HTML Datasheet :

A3977