onsemi

LV8729V-MPB-H

LV8729V-MPB-H Description

The LV8729V-MPB-H is a general-purpose motor driver designed for bipolar stepper motors. Manufactured by onsemi, this IC offers a versatile solution for driving stepper motors with a wide range of voltage and current capabilities. It features a half-bridge output configuration with four outputs, capable of delivering up to 1.8A of current. The LV8729V-MPB-H operates within a load voltage range of 9V to 32V and a supply voltage range of 0V to 5V, making it suitable for various applications requiring precise motor control.

The LV8729V-MPB-H is housed in a surface-mount package, specifically a 44SSOPK, which ensures compact and reliable integration into modern electronic systems. It employs BiCDMOS technology, which combines bipolar, CMOS, and DMOS devices to achieve high performance and efficiency. This technology allows the IC to handle high currents while maintaining low power consumption and heat generation.

LV8729V-MPB-H Features

• Output Configuration: Half Bridge (4) - This configuration provides efficient control over bipolar stepper motors, ensuring precise and reliable operation.
• Current - Output: 1.8A - The IC can deliver up to 1.8A of current, making it suitable for driving motors with moderate to high torque requirements.
• Voltage - Load: 9V ~ 32V - The wide load voltage range ensures compatibility with various power sources and motor specifications.
• Voltage - Supply: 0V ~ 5V - The supply voltage range allows for easy integration with standard digital control circuits.
• Step Resolution: 1 ~ 1/128 - The LV8729V-MPB-H supports a wide range of step resolutions, enabling precise motor control and smooth motion.
• Interface: Parallel - The parallel interface facilitates straightforward communication with microcontrollers and other digital systems.
• Moisture Sensitivity Level (MSL): 3 (168 Hours) - This rating ensures the IC's reliability in various environmental conditions, making it suitable for industrial and commercial applications.
• Package: Tube - The tube packaging provides a convenient and protective storage solution for the ICs.

LV8729V-MPB-H Applications

The LV8729V-MPB-H is ideal for a variety of applications that require precise control of bipolar stepper motors. Some specific use cases include:

• Industrial Automation: The IC's robust performance and wide voltage range make it suitable for driving stepper motors in industrial machinery, such as CNC machines, robotic arms, and conveyor systems.
• Medical Equipment: Its precision and reliability are beneficial in medical devices that require accurate positioning, such as laboratory automation equipment and diagnostic machines.
• Consumer Electronics: The LV8729V-MPB-H can be used in consumer electronics where stepper motors are employed for tasks like lens focusing in cameras and printer head positioning.
• Automotive Systems: The IC's ability to handle high currents and its compact size make it suitable for automotive applications, such as electronic throttle control and power window mechanisms.

Conclusion of LV8729V-MPB-H

The LV8729V-MPB-H is a versatile and reliable motor driver IC designed for bipolar stepper motors. Its wide range of technical specifications, including high current output, wide voltage range, and precise step resolution, make it an excellent choice for various applications. The use of BiCDMOS technology ensures high performance and efficiency, while the surface-mount package and moisture sensitivity level rating enhance its reliability in different environments. Although the LV8729V-MPB-H is now obsolete, it remains a valuable component for existing systems and can still be utilized in new designs where its unique features and advantages are required.