The LB1948MC-AH is a high-performance, low-voltage dual H-bridge motor driver IC designed and manufactured by ON Semiconductor. This compact and efficient integrated circuit is specifically engineered to drive small DC motors using a supply voltage ranging from 2.5V to 9.5V, making it an ideal choice for battery-powered applications such as portable electronic devices, toys, and small household appliances.

Key Features

• Low-Voltage Operation: With an operating range of 2.5V to 9.5V, the LB1948MC-AH is suitable for a variety of low-voltage applications.
• Dual H-Bridge: The IC contains two H-bridge drivers, allowing for independent control of two DC motors. This feature enables forward, reverse, brake, and standby modes for each motor.
• High Output Current: Capable of delivering an output current of up to 400mA per channel, it can drive small to medium-sized DC motors with ease.
• Low Saturation Voltage: The low on-resistance of the output transistors ensures low saturation voltage, minimizing power loss and improving efficiency.
• Thermal Shutdown Circuit: The built-in thermal shutdown circuit prevents the IC from overheating, enhancing the safety and reliability of the application.

Applications

• Portable Devices
• Small Electronic Toys
• Battery-powered Gadgets
• Small Household Appliances

Technical Specifications

• Product: Motor Driver IC
• Part Number: LB1948MC-AH
• Manufacturer: ON Semiconductor
• Motor Type: DC
• Number of Outputs: 4 (2 H-Bridges)
• Output Current: 400mA per channel
• Supply Voltage (V_CC): 2.5V to 9.5V
• Package: SOP-14 (Small Outline Package)

The LB1948MC-AH from ON Semiconductor offers a robust solution for driving small DC motors with the convenience of dual H-bridge control. Its low-voltage operation and high output current capability paired with safety features like thermal shutdown make it a versatile choice for designers and hobbyists alike.