STMicroelectronics

L9935

L9935 Description

The L9935 is a high-performance stepper motor driver IC from STMicroelectronics, designed for bipolar stepper motors. It features a half-bridge output configuration with a 1.2A output current and operates over a wide 8V to 24V supply voltage range. The device is based on DMOS technology, ensuring high efficiency and reliability. With a step resolution of 1 or 1/2, the L9935 provides precise motor control. It is packaged in a 20-pin PWRSO package and is available in a tube packaging option.

L9935 Features

• Half-bridge output configuration for bipolar stepper motors
• 1.2A output current
• Wide 8V to 24V supply voltage range
• DMOS technology for high efficiency and reliability
• Step resolution of 1 or 1/2 for precise motor control
• SPI interface for easy integration
• Surface-mount packaging for compact design
• REACH unaffected and RoHS3 compliant for environmental compliance
• Moisture Sensitivity Level (MSL) 3 for reliable operation in various environments
• Suitable for general-purpose applications

L9935 Applications

The L9935 is ideal for a wide range of applications, including:

1. Industrial automation and control systems
2. Robotics and motion control
3. Medical equipment
4. Consumer electronics
5. Office automation equipment

Its high output current and wide supply voltage range make it suitable for driving medium to high power stepper motors in various applications.

Conclusion of L9935

The L9935 is a versatile and high-performance stepper motor driver IC from STMicroelectronics. Its unique features, such as half-bridge output configuration, wide supply voltage range, and DMOS technology, make it an excellent choice for various applications requiring precise motor control. Although it is now considered obsolete, the L9935 remains a reliable solution for general-purpose motor control applications. Its REACH unaffected and RoHS3 compliant status ensures environmental compliance, while its surface-mount packaging allows for compact designs.