onsemi

LB1940U-TLM-E

LB1940U-TLM-E Description

The LB1940U-TLM-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 (PMIC) category and features a robust bipolar technology. Despite being marked as obsolete, the LB1940U-TLM-E remains a reliable choice for applications requiring a compact and efficient solution.

LB1940U-TLM-E Features

• Output Configuration: The LB1940U-TLM-E is configured as a half bridge driver with four output channels, making it suitable for driving various types of inductive loads.
• Load Type: Specifically designed for inductive loads, this IC ensures efficient and reliable performance in motor control applications.
• Voltage - Supply: Operates within a supply voltage range of 1.9V to 6.5V, providing flexibility in power supply options.
• Voltage - Load: Capable of handling load voltages from 1.6V to 7.5V, ensuring compatibility with a wide range of motor and load requirements.
• Current - Output / Channel: Each channel can deliver up to 400mA of current, making it suitable for applications requiring moderate power output.
• Technology: Utilizes bipolar technology, known for its high performance and reliability in power management applications.
• Mounting Type: Surface mount technology (SMT) allows for compact and efficient integration into modern electronic designs.
• Package: Available in a Tape & Reel (TR) package, facilitating automated assembly processes and ensuring ease of handling.
• Moisture Sensitivity Level (MSL): Rated at MSL 3 (168 hours), the LB1940U-TLM-E is suitable for environments with moderate humidity levels.
• REACH Status: Compliant with REACH regulations, ensuring environmental and health safety standards are met.
• Interface: Logic interface ensures seamless integration with digital control systems.
• Base Product Number: LB1940, which provides a clear reference for sourcing and documentation.

LB1940U-TLM-E Applications

The LB1940U-TLM-E is ideal for applications requiring efficient and reliable motor control. Its half bridge configuration and ability to handle inductive loads make it suitable for:

• DC Motors: Provides precise control and efficient power delivery, ensuring smooth operation and extended motor life.
• Stepper Motors: Offers the necessary drive capabilities for precise positioning and control in stepper motor applications.
• General Purpose: Suitable for a variety of general-purpose applications where inductive load driving is required.

Conclusion of LB1940U-TLM-E

The LB1940U-TLM-E is a versatile and reliable half bridge driver IC designed for driving inductive loads. Despite its obsolete status, it remains a valuable component for applications requiring efficient motor control. Its robust bipolar technology, wide voltage range, and surface mount packaging make it an ideal choice for compact and efficient electronic designs. Whether used in DC motors, stepper motors, or general-purpose applications, the LB1940U-TLM-E delivers reliable performance and ensures compatibility with modern electronic systems.