onsemi

LB1941T-TLM-E

LB1941T-TLM-E Description

The LB1941T-TLM-E is an integrated circuit (IC) motor driver designed for voice coil motor applications. Manufactured by onsemi, this device is part of the Motor Drivers and Controllers category. It features a half-bridge output configuration, capable of delivering up to 600mA of output current. The IC operates within a voltage range of 2.5V to 10V, both for load and supply, making it suitable for a variety of power requirements. The LB1941T-TLM-E is housed in a surface-mount package, specifically in a Tape & Reel (TR) format, which ensures efficient and reliable assembly processes. Despite its obsolescence, the LB1941T-TLM-E remains a robust solution for driving voice coil motors, particularly in camera applications.

LB1941T-TLM-E Features

The LB1941T-TLM-E offers several technical features that make it a reliable choice for motor driving applications:

• Output Configuration: The half-bridge (2) configuration allows for efficient control of voice coil motors, providing precise and reliable operation.
• Current Handling: With a maximum output current of 600mA, the IC can handle moderate to high current loads, ensuring stable performance.
• Voltage Range: The wide operating voltage range of 2.5V to 10V for both load and supply makes the LB1941T-TLM-E versatile and adaptable to various power supply conditions.
• Mounting Type: The surface-mount technology (SMT) ensures that the IC can be easily integrated into compact and space-constrained designs.
• Technology: Utilizing bipolar technology, the LB1941T-TLM-E delivers high performance and reliability.
• Interface: The parallel interface simplifies communication and control, making integration into existing systems straightforward.
• Moisture Sensitivity Level (MSL): With an MSL of 3 (168 hours), the IC is suitable for environments with moderate humidity levels, ensuring long-term reliability.
• Compliance: The LB1941T-TLM-E is REACH unaffected, ensuring compliance with environmental and safety regulations.

LB1941T-TLM-E Applications

The LB1941T-TLM-E is particularly well-suited for applications requiring precise control of voice coil motors. Its primary application is in camera systems, where it can drive the focusing mechanisms and other motorized components. The ability to operate within a wide voltage range and handle significant current loads makes it ideal for:

• Camera Autofocus Systems: Providing smooth and precise control for autofocus mechanisms in digital cameras and camcorders.
• Optical Instruments: Driving voice coil motors in microscopes, telescopes, and other optical devices that require high precision.
• Medical Equipment: Enabling precise control in medical imaging devices and other equipment that rely on voice coil motors for positioning and focusing.

Conclusion of LB1941T-TLM-E

The LB1941T-TLM-E is a versatile and reliable motor driver IC designed for voice coil motor applications. Its half-bridge configuration, wide voltage range, and ability to handle significant current loads make it a robust solution for driving motors in various applications. Despite its obsolescence, the LB1941T-TLM-E remains a valuable component for engineers and designers looking for a reliable and efficient motor driver. Its surface-mount package and compliance with environmental regulations further enhance its appeal. For applications requiring precise control of voice coil motors, the LB1941T-TLM-E is an excellent choice, offering performance and reliability in a compact and efficient package.