STMicroelectronics L6472HTR - Fully Integrated Motor Driver

The L6472HTR from STMicroelectronics is a state-of-the-art, fully integrated solution for driving two-phase bipolar stepper motors with a focus on automation and industrial applications. This device integrates a dual DMOS full bridge with a motion engine and SPI interface, thereby reducing the complexity and physical footprint of motor control applications.

Key Features:

• Voltage Range: The L6472HTR operates over a broad voltage range from 8 V to 45 V, making it versatile for various stepper motor specifications and ensuring compatibility with a wide range of industrial uses.
• Advanced Current Control: It features an advanced fully-integrated current control mechanism that negates the need for external sense resistors and allows for precise control of motor phases through SPI-configurable parameters.
• Microstepping Support: The device supports up to 1/128 microstepping, which facilitates smooth and accurate motor movements, essential for applications requiring high precision.
• Programmable Speed Profile: Users can program acceleration, deceleration, speed, and torque easily, enabling the creation of customized motion profiles directly on the device.
• Overcurrent Protection: Built-in overcurrent protection and thermal shutdown features ensure the longevity and reliability of the motor driver under various operating conditions.
• Energy Saving: An innovative voltage mode can be used to achieve low power consumption when the motor is in standby.

Applications:

The L6472HTR is ideal for a variety of applications that demand high-performance motor control, such as:

• Textile machines
• Office automation
• ATMs and cash handlers
• 3D printers
• Robotics
• Medical and healthcare equipment

In summary, the L6472HTR motor driver from STMicroelectronics is a powerful and flexible solution for complex motion control scenarios, offering designers a compact, efficient, and intelligent way to manage stepper motors with ease.