STMicroelectronics L6258 PowerSO-10 Motor Driver

The L6258 from STMicroelectronics is a high-performance stepper motor driver integrated circuit (IC) designed to drive both windings of a bipolar stepper motor or bidirectionally control two DC motors. Engineered with advanced BCD technology, it combines isolated DMOS power transistors with CMOS and bipolar circuits on the same chip, ensuring exceptional functionality in a compact package.

Key Features

• Operating supply voltage up to 52V
• Output current up to 1.5A
• Low saturation voltage
• Overtemperature protection
• Integrated fast decay synchronous rectification
• Cross conduction protection
• Thermal shutdown
• Non-dissipative overcurrent protection
• Under voltage lockout
• Compatible with 5V logic supply voltage

Applications

The versatility of the L6258 makes it an ideal choice for a wide range of applications. It is particularly well-suited for driving stepper motors in printers, scanners, and other computer peripherals. Additionally, it can be used in factory automation equipment, robotics, and automotive applications where precise motor control is required.

Design Advantages

The L6258 streamlines the design process for engineers with features like cross-conduction protection, which prevents simultaneous high-side and low-side conduction, and under-voltage lockout to ensure the device operates reliably under low supply conditions. The inclusion of non-dissipative overcurrent protection and thermal shutdown features safeguards the IC against damage from overcurrent and overheating, thus enhancing the longevity and reliability of the application it is used in.

Package Information

This motor driver is housed in a PowerSO-10 package, which offers a compact footprint while allowing for efficient heat dissipation. This package is especially suitable for space-constrained applications where a balance between size and thermal performance is necessary.

For more detailed information, including pin configurations, electrical specifications, and application notes, please refer to the official L6258 datasheet available on the STMicroelectronics website.