onsemi

LB1937T-MPB-E

LB1937T-MPB-E Description

The LB1937T-MPB-E is a half-bridge driver IC designed for driving inductive loads such as DC motors, stepper motors, and general-purpose applications. Manufactured by onsemi, this device is part of the Power Management Integrated Circuits (PMIC) category and is housed in a 24-TSSOP package. It features a robust bipolar technology and offers a supply voltage range of 2.5V to 9.5V, making it suitable for a variety of power management applications. The LB1937T-MPB-E is designed to provide a maximum output current of 800mA per channel, ensuring efficient power delivery to the load.

LB1937T-MPB-E Features

• Output Configuration: The LB1937T-MPB-E features a half-bridge configuration with eight output channels, providing flexibility in driving multiple inductive loads.
• Load Type: Specifically designed for inductive loads, this IC is ideal for applications involving DC motors, stepper motors, and general-purpose inductive loads.
• Technology: Utilizing bipolar technology, the LB1937T-MPB-E offers high performance and reliability in power management applications.
• Voltage Ranges: With a supply voltage range of 2.5V to 9.5V and a load voltage range of 2.5V to 9.5V, the IC is versatile and can operate across a wide range of voltage levels.
• Fault Protection: The LB1937T-MPB-E includes over-temperature protection, ensuring safe operation and preventing damage due to excessive heat.
• Mounting Type: The surface-mount design allows for easy integration into compact and space-constrained PCB layouts.
• Package: The device is available in a tube package, facilitating convenient handling and storage.
• Moisture Sensitivity Level (MSL): Rated at MSL 3 (168 hours), the LB1937T-MPB-E is suitable for use in environments with moderate humidity levels.
• Compliance: The LB1937T-MPB-E is REACH unaffected, ensuring compliance with environmental and safety regulations.

LB1937T-MPB-E Applications

The LB1937T-MPB-E is well-suited for a variety of applications due to its robust design and versatile features. Key applications include:

• DC Motors: The IC's ability to drive inductive loads makes it ideal for controlling DC motors in various consumer and industrial applications.
• Stepper Motors: The half-bridge configuration and high current capability allow precise control of stepper motors, enhancing performance in applications requiring precise motion control.
• General-Purpose Applications: The LB1937T-MPB-E can be used in a wide range of general-purpose applications where reliable power management and control of inductive loads are required.

Conclusion of LB1937T-MPB-E

The LB1937T-MPB-E is a versatile half-bridge driver IC that offers a comprehensive set of features tailored for driving inductive loads. Its robust bipolar technology, wide voltage range, and fault protection mechanisms make it a reliable choice for power management applications. Despite being marked as obsolete, the LB1937T-MPB-E remains a valuable component for engineers and designers looking for a high-performance solution for driving DC motors, stepper motors, and other inductive loads. Its surface-mount design and compliance with environmental regulations further enhance its appeal in modern electronics applications.