STMicroelectronics

L6470H

L6470H Description

The L6470H is a high-performance stepper motor driver IC designed and manufactured by STMicroelectronics. It belongs to the STSPIN L64 series and is part of the Motor Drivers, Controllers category. The L6470H is a Half Bridge configuration stepper motor driver with a 3A output current and 8V to 45V load voltage range. It operates with a 3.3V or 5V supply voltage and features a DMOS technology for high efficiency and reliability.

L6470H Features

• Output Configuration: The L6470H features a Half Bridge (4) output configuration, providing a compact and efficient solution for driving bipolar stepper motors.
• Technology: Utilizing DMOS technology, the L6470H offers high efficiency, low power consumption, and excellent thermal performance.
• Step Resolution: The L6470H boasts a step resolution of 1 to 1/128, enabling precise motor control and positioning.
• Voltage - Supply: The L6470H supports a wide supply voltage range of 3.3V to 5V, making it suitable for various applications and system requirements.
• Interface: The L6470H features an SPI interface, allowing for easy integration and communication with microcontrollers and other digital systems.
• Mounting Type: The L6470H is available in a surface-mount package, making it suitable for PCB designs and compact applications.
• REACH Status: The L6470H is REACH Unaffected, ensuring compliance with European chemical regulations.
• RoHS Status: The L6470H is ROHS3 Compliant, adhering to environmental and safety standards.
• Moisture Sensitivity Level (MSL): The L6470H has an MSL of 3, allowing for 168 hours of moisture exposure before reflow soldering.

L6470H Applications

The L6470H is ideal for a wide range of general-purpose applications, including:

• Industrial Automation: Drive stepper motors in robotic arms, conveyor systems, and other automated machinery.
• Medical Devices: Control motorized components in medical equipment, such as pumps and diagnostic devices.
• Consumer Electronics: Power stepper motors in home appliances, gaming consoles, and other electronic devices.
• Automotive: Drive stepper motors in automotive systems, such as power seats and sunroofs.

Conclusion of L6470H

The L6470H is a versatile and high-performance stepper motor driver IC from STMicroelectronics. Its Half Bridge configuration, DMOS technology, and SPI interface make it an excellent choice for a wide range of applications, from industrial automation to consumer electronics. With its unique features and advantages, the L6470H offers precise motor control, high efficiency, and excellent thermal performance, making it a reliable solution for demanding applications.