STMicroelectronics

L6228QTR

L6228QTR Description

The L6228QTR is a high-performance, bipolar stepper motor driver IC designed for general-purpose applications. Manufactured by STMicroelectronics, this device is part of the STSPIN L62 series and offers a robust solution for driving bipolar stepper motors with a supply voltage range of 8V to 52V. The L6228QTR features a half-bridge output configuration with four half bridges, capable of delivering up to 1.4A of output current. Utilizing DMOS technology, the IC ensures efficient power management and high reliability. It supports a step resolution of 1 or 1/2, making it suitable for applications requiring precise control. The L6228QTR is packaged in a 32FPN surface-mount package, ensuring ease of integration into compact designs. The device is REACH unaffected and RoHS3 compliant, adhering to stringent environmental and safety standards. With a moisture sensitivity level (MSL) of 3 (168 hours), the L6228QTR is well-suited for industrial environments.

L6228QTR Features

• High Current Capability: The L6228QTR can deliver up to 1.4A of output current, making it ideal for driving stepper motors with higher torque requirements.
• Wide Voltage Range: With a supply voltage range of 8V to 52V, the IC is versatile and can be used in various applications with different power supply configurations.
• Half-Bridge Configuration: The half-bridge output configuration with four half bridges provides flexibility in motor control and ensures efficient power delivery.
• DMOS Technology: The use of DMOS technology ensures high efficiency and low power dissipation, contributing to the overall performance and reliability of the device.
• Step Resolution: The L6228QTR supports a step resolution of 1 or 1/2, allowing for precise control of motor movement and positioning.
• Surface-Mount Packaging: The 32FPN package is suitable for surface-mount technology, enabling compact and reliable integration into modern electronic designs.
• Environmental Compliance: The L6228QTR is REACH unaffected and RoHS3 compliant, ensuring it meets the latest environmental and safety standards.
• Moisture Sensitivity Level: With an MSL of 3 (168 hours), the IC is well-suited for industrial environments where moisture resistance is crucial.

L6228QTR Applications

The L6228QTR is designed for general-purpose applications where precise control of bipolar stepper motors is required. It is particularly well-suited for:

• Industrial Automation: Driving stepper motors in robotic arms, conveyor systems, and other automated machinery.
• Medical Equipment: Controlling motors in medical devices such as infusion pumps, diagnostic equipment, and laboratory automation.
• Consumer Electronics: Enabling precise motor control in devices like 3D printers, CNC machines, and other hobbyist projects.
• Automotive Applications: Driving stepper motors in automotive systems such as seat adjustments, window mechanisms, and other motorized components.

Conclusion of L6228QTR

The L6228QTR from STMicroelectronics is a versatile and reliable bipolar stepper motor driver IC, offering a wide range of features and benefits. Its high current capability, wide voltage range, and precise step resolution make it an ideal choice for a variety of applications. The use of DMOS technology ensures high efficiency and low power dissipation, while the surface-mount packaging and environmental compliance make it suitable for modern, compact designs. Whether used in industrial automation, medical equipment, consumer electronics, or automotive applications, the L6228QTR provides a robust and efficient solution for driving bipolar stepper motors.