onsemi

LB1937T-TLM-E

LB1937T-TLM-E Description

The LB1937T-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 Integrated Circuits (PMIC) category. It features a half-bridge output configuration with eight output channels, each capable of delivering up to 800mA of current. The IC operates within a supply voltage range of 2.5V to 9.5V, making it suitable for a variety of low to medium voltage applications.

This IC is housed in a 24-TSSOP package and is available in a tape and reel format, facilitating surface-mount assembly processes. It is important to note that the LB1937T-TLM-E is classified as obsolete, indicating that it may no longer be in active production. However, its technical specifications and performance characteristics still make it a viable option for existing designs or for those requiring its specific features.

LB1937T-TLM-E Features

• Output Configuration: Half Bridge (8 channels)
• Load Type: Inductive
• Technology: Bipolar
• Voltage - Supply: 2.5V to 9.5V
• Voltage - Load: 2.5V to 9.5V
• Current - Output / Channel: 800mA
• Interface: Logic
• Fault Protection: Over Temperature
• Moisture Sensitivity Level (MSL): 3 (168 Hours)
• Package: 24-TSSOP, Tape & Reel (TR)
• Mounting Type: Surface Mount
• REACH Status: REACH Unaffected
• ECCN: EAR99
• HTSUS: 8542.39.0001

The LB1937T-TLM-E offers several unique features that set it apart from similar models. Its half-bridge configuration allows for efficient control of inductive loads, ensuring reliable performance in motor control applications. The bipolar technology ensures robustness and high current handling capabilities, making it suitable for demanding applications. The over-temperature fault protection feature enhances the reliability and safety of the device, safeguarding it against thermal runaway.

LB1937T-TLM-E Applications

The LB1937T-TLM-E is ideally suited for applications requiring precise control of inductive loads. Its primary applications include:

• DC Motors: Ideal for driving small to medium-sized DC motors in various consumer and industrial applications.
• Stepper Motors: Provides efficient control for stepper motors, ensuring smooth and accurate motion control.
• General Purpose: Suitable for a wide range of general-purpose applications requiring inductive load control.

The device's ability to operate within a wide voltage range and deliver up to 800mA per channel makes it a versatile solution for motor control and general-purpose inductive load applications. Its surface-mount package and tape and reel format facilitate easy integration into modern PCB designs.

Conclusion of LB1937T-TLM-E

The LB1937T-TLM-E is a robust half-bridge driver IC designed for driving inductive loads with precision and reliability. Despite being classified as obsolete, its technical specifications and performance characteristics make it a valuable component for existing designs and applications requiring its specific features. The device's wide voltage range, high current output, and over-temperature protection make it a reliable choice for motor control and general-purpose inductive load applications. For designers seeking a proven and versatile solution for their power management needs, the LB1937T-TLM-E remains a compelling option.