ON Semiconductor LB1831M-MPB-E Motor Driver

The LB1831M-MPB-E from ON Semiconductor is a high-performance, low-voltage stepper motor driver designed to efficiently control the precise movement of motors in a variety of applications. This compact and versatile driver is ideal for portable devices due to its low power consumption and small footprint.

Key Features

• Operating Voltage Range: The LB1831M-MPB-E operates at a voltage range of 2.5V to 10V, making it suitable for use in battery-powered applications where energy efficiency is crucial.
• Output Current: It can deliver an output current of up to 400mA, providing sufficient power to drive small to medium-sized stepper motors.
• Low Saturation Voltage: The device features a low saturation voltage, which helps to minimize power loss and heat generation during operation.
• Output Transistor: The built-in output transistor is capable of handling high current without the need for external components, simplifying the circuit design.
• Power-Saving Mode: It includes a power-saving mode that reduces power consumption when the motor is not in active use, extending battery life in portable applications.

Applications

The LB1831M-MPB-E is suitable for a wide range of applications, including but not limited to:

• Portable electronic devices
• Battery-operated toys
• Small office/home office equipment
• Automated medical devices

Design Advantages

Designers will appreciate the LB1831M-MPB-E for its ease of integration into existing designs due to its Monolithic Power Brush (MPB) structure that integrates the control circuit and power FET. Its small package size allows for a more compact board layout, and its thermal shutdown function provides additional protection for the motor and driver circuitry from potential overheating.

Overall, the LB1831M-MPB-E motor driver from ON Semiconductor is a reliable and efficient solution for driving stepper motors in applications where space is at a premium and energy efficiency is paramount.