Allegro MicroSystems

A3980KLP

A3980KLP Description

The A3980KLP is an integrated circuit (IC) designed for motor drive applications, specifically tailored for bipolar stepper motors. Manufactured by Allegro MicroSystems, this IC is part of the Power Management (PMIC) category and is housed in a 28-lead TSSOP package. The A3980KLP features a half-bridge output configuration with a maximum current output of 1A per bridge. It operates within a supply voltage range of 3V to 5.5V and can handle load voltages from 7V to 50V, making it suitable for a wide range of applications.

This IC is designed with DMOS technology, providing high efficiency and robust performance. The A3980KLP supports various step resolutions, including 1, 1/2, 1/8, and 1/16, which allows for precise control of the motor's movement. The interface is logic-based, ensuring compatibility with various control systems. The product is rated for automotive grade, indicating its reliability and durability in demanding environments.

A3980KLP Features

• Output Configuration: Half Bridge (4), enabling efficient control of bipolar stepper motors.
• Current Output: 1A per bridge, sufficient for driving small to medium-sized motors.
• Supply Voltage Range: 3V to 5.5V, offering flexibility in power supply options.
• Load Voltage Range: 7V to 50V, accommodating a broad spectrum of motor voltages.
• Step Resolution: Supports 1, 1/2, 1/8, and 1/16 step resolutions, providing precise motor control.
• Technology: DMOS, known for its high efficiency and robustness.
• Interface: Logic-based, ensuring seamless integration with various control systems.
• Grade: Automotive, indicating high reliability and durability.
• Moisture Sensitivity Level (MSL): 1 (Unlimited), suitable for a wide range of manufacturing processes.
• REACH Status: REACH Unaffected, ensuring compliance with environmental regulations.
• ECCN: EAR99, indicating compliance with export regulations.
• HTSUS: 8542.39.0001, facilitating smooth customs clearance.
• Package: Tube, suitable for surface mount applications.

A3980KLP Applications

The A3980KLP is ideal for applications requiring precise control of bipolar stepper motors. Its wide voltage range and multiple step resolutions make it suitable for various industries, including automotive, industrial automation, and consumer electronics. Specific use cases include:

• Automotive: For applications such as electronic throttle control, power seat adjustment, and windshield wiper control.
• Industrial Automation: For precise control of robotic arms, conveyor systems, and other machinery.
• Consumer Electronics: For devices requiring precise motor control, such as printers, scanners, and digital cameras.

Conclusion of A3980KLP

The A3980KLP from Allegro MicroSystems is a versatile and reliable IC designed for driving bipolar stepper motors. Its half-bridge output configuration, wide voltage range, and multiple step resolutions make it suitable for a variety of applications. The DMOS technology ensures high efficiency and robust performance, while the automotive grade rating guarantees durability in demanding environments. Although the product is now obsolete, its unique features and advantages make it a valuable component for existing systems and legacy designs.