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L6460TR

L6460TR Description

The L6460TR is a high-performance motor driver IC designed for general-purpose applications, particularly suited for driving bipolar stepper motors and brushed DC motors. Manufactured by STMicroelectronics, this device is part of the Power Management (PMIC) category and is housed in a 64-pin TQFP package with a tape and reel (TR) format. The L6460TR operates within a supply voltage range of 13V to 38V and supports load voltages within the same range. It features a half-bridge output configuration with eight channels, enabling efficient control of motor operations. The device is designed with CMOS technology, offering robust performance and reliability. Despite being marked as obsolete, the L6460TR remains a viable option for legacy systems and specific applications where its features are still highly beneficial.

L6460TR Features

The L6460TR offers several key features that make it a versatile and reliable choice for motor control applications:

• Output Configuration: The half-bridge (8) configuration allows for efficient control of bipolar stepper motors and brushed DC motors, providing flexibility in motor selection and application design.
• Step Resolution: The device supports step resolutions from 1 to 1/16, enabling precise control of motor movements and ensuring smooth operation in applications requiring high accuracy.
• Voltage Range: The wide supply and load voltage range of 13V to 38V makes the L6460TR suitable for various power supply configurations, enhancing its adaptability across different systems.
• Interface: The SPI interface facilitates easy communication and control, allowing for seamless integration with microcontrollers and other system components.
• Compliance and Safety: The L6460TR is REACH unaffected and RoHS3 compliant, ensuring it meets environmental and safety standards, making it suitable for use in a wide range of industries.
• Moisture Sensitivity Level: With an MSL of 3 (168 hours), the device is designed to withstand moisture exposure during manufacturing processes, reducing the risk of damage and ensuring reliability.
• Mounting Type: The surface mount design allows for compact and efficient PCB layouts, optimizing space utilization in modern electronic systems.

L6460TR Applications

The L6460TR is well-suited for a variety of general-purpose applications where precise motor control is essential. Some specific use cases include:

• Industrial Automation: The L6460TR can be used in automated machinery and robotic systems where precise control of stepper motors is required for accurate positioning and movement.
• Consumer Electronics: In applications such as printers, scanners, and other devices that rely on brushed DC motors, the L6460TR provides reliable and efficient motor control.
• Medical Devices: For medical equipment that requires precise motor control, such as laboratory instruments and diagnostic devices, the L6460TR ensures accurate and reliable operation.
• Office Equipment: In copiers, fax machines, and other office automation devices, the L6460TR can drive motors with high precision, ensuring smooth and reliable performance.

Conclusion of L6460TR

The L6460TR from STMicroelectronics is a robust and versatile motor driver IC designed for driving bipolar stepper motors and brushed DC motors. Its wide voltage range, precise step resolution, and SPI interface make it an ideal choice for a variety of applications, from industrial automation to consumer electronics. Despite being marked as obsolete, the L6460TR remains a reliable option for existing systems and specific applications where its features are still highly beneficial. With its compliance to environmental and safety standards and its ability to withstand moisture exposure, the L6460TR ensures long-term reliability and performance.