STMicroelectronics

L4940V5

The L4940V5 is a stepper motor driver and controller manufactured by STMicroelectronics. It is a highly integrated solution that provides a complete control system for unipolar or bipolar stepper motors.

Description:

The L4940V5 is a monolithic integrated circuit designed to drive stepper motors with up to 3.5A per phase. It includes a microstep resolution controller, a power driver, and a chopper stabilized control circuit. The device is available in a compact 28-pin TSSOP package.

Features:

1. High current drive capability: The L4940V5 can drive stepper motors with up to 3.5A per phase.
2. Microstep resolution control: The device provides microstep resolution control, allowing for smoother and quieter motor operation.
3. Chopper stabilized control: The L4940V5 features a chopper stabilized control circuit that reduces motor heating and audible noise.
4. Integrated power driver: The device includes an integrated power driver, eliminating the need for external drivers.
5. Compact package: The L4940V5 is available in a compact 28-pin TSSOP package, making it suitable for space-constrained applications.

Applications:

The L4940V5 is suitable for a wide range of applications that require precise control of stepper motors, including:

1. Industrial automation: The L4940V5 can be used in industrial automation systems to control the movement of machines and robots.
2. Office automation: The device can be used in office automation equipment, such as printers and scanners, to control the movement of paper and other components.
3. Medical equipment: The L4940V5 can be used in medical equipment, such as diagnostic machines and surgical instruments, to provide precise control of motor movement.
4. Consumer electronics: The device can be used in consumer electronics, such as cameras and audio equipment, to control the movement of mechanical components.
5. Robotics: The L4940V5 can be used in robotics applications to control the movement of robotic arms and other mechanical components.

Overall, the L4940V5 is a versatile and powerful stepper motor driver and controller that offers high current drive capability, microstep resolution control, and chopper stabilized control in a compact package. It is suitable for a wide range of applications that require precise control of stepper motors.