STMicroelectronics

L9958

L9958 Description

The L9958 is a high-performance motor driver IC designed for general-purpose applications, particularly suited for driving brushed DC and bipolar stepper motors. Manufactured by STMicroelectronics, this device is part of the Power Management (PMIC) category and is known for its robustness and efficiency. The L9958 operates within a supply voltage range of 4.5V to 5.5V and can handle a load voltage from 4V to 28V, making it versatile for a wide range of motor control applications.

L9958 Features

• Output Current Capability: The L9958 can deliver an output current of 8.6A, ensuring it can drive motors with significant power requirements.
• Output Configuration: It features a half-bridge configuration with two outputs, which is ideal for controlling the direction and speed of DC motors or the precise stepping of stepper motors.
• Technology: Utilizing CMOS technology, the L9958 offers low power consumption and high efficiency, which is crucial for applications where energy efficiency is paramount.
• Interface: The device supports SPI communication, allowing for easy integration with microcontrollers and other digital systems for precise control and monitoring.
• Compliance and Reliability: The L9958 is REACH unaffected and ROHS3 compliant, ensuring it meets the highest environmental and safety standards. It also has a moisture sensitivity level (MSL) of 3, which means it can withstand up to 168 hours of exposure to moisture, enhancing its reliability in various environmental conditions.
• Mounting Type: The surface mount package makes it suitable for compact designs and automated manufacturing processes, reducing assembly time and costs.

L9958 Applications

The L9958 is designed for general-purpose applications where precise motor control is required. It is particularly well-suited for:

• Consumer Electronics: Appliances such as washing machines, vacuum cleaners, and robotic vacuum cleaners that require efficient motor control.
• Industrial Automation: Applications like conveyor belt systems, robotic arms, and other machinery that need reliable and precise motor control.
• Automotive: Components such as power windows, sunroofs, and seat adjustments that require smooth and efficient motor operation.
• Medical Devices: Equipment like infusion pumps and diagnostic machines that require precise and reliable motor control for critical operations.

Conclusion of L9958

The L9958 from STMicroelectronics stands out as a reliable and efficient motor driver IC, offering a robust solution for driving brushed DC and bipolar stepper motors. Its high output current capability, half-bridge configuration, and CMOS technology ensure it delivers high performance while maintaining energy efficiency. The SPI interface and surface mount package make it easy to integrate into modern electronic designs. Compliance with REACH and ROHS3 standards, along with a moisture sensitivity level of 3, ensures its reliability and environmental friendliness. The L9958 is an ideal choice for a wide range of applications, from consumer electronics to industrial automation and automotive systems, where precise and efficient motor control is essential.