Based LB1948M drive motor control circuit diagram

A simple motor control project for forward and backward drive can be implemented using the LB1948M motor driver IC, which features two channels for motor control. The LB1948M is an ideal choice for 12V motor drive systems and can operate two DC motors connected in parallel or drive bipolar stepper motors in a 1-2 phase excitation mode. Key specifications of the LB1948M include a 12V power supply, low saturation voltage of approximately 0.5V at 400 mA, zero current in standby mode, a braking function, and built-in thermal shutdown capabilities. The LB1948M can be configured as a single-channel H-bridge by connecting IN3 to IN1, IN2 to IN4, OUT1 to OUT3, and OUT2 to OUT4. The nominal current rating is 1.6A, with a typical saturation voltage of 0.6V at 800 mA. The circuit design is straightforward and requires minimal external components.

The LB1948M motor driver IC is designed to facilitate the control of DC motors and bipolar stepper motors in various applications, ranging from robotics to simple automation tasks. The dual-channel configuration allows for versatile motor control, enabling both forward and reverse operations with ease.

In applications where space and component count are crucial, the LB1948M’s low saturation voltage ensures efficient operation, reducing power losses during motor drive. The capability to handle a nominal current of 1.6A allows the driver to manage a wide range of motor sizes, making it suitable for small to medium-sized motors.

The inclusion of a braking function enhances the control over motor operation, allowing for quick stops when necessary. The thermal shutdown feature is critical for protecting the circuit from overheating, which can occur during prolonged operation or under heavy load conditions. This feature automatically disconnects the driver to prevent damage, ensuring reliability and longevity of the system.

For implementation, the circuit can be designed using standard electronic components such as resistors, capacitors, and a power supply, which simplifies prototyping and integration into larger systems. The straightforward connections for the H-bridge configuration make it accessible for engineers and hobbyists alike, allowing for rapid development of motor control applications.

Overall, the LB1948M motor driver IC stands out as a robust solution for motor control tasks, providing essential features that support efficient and reliable operation in various electronic projects.A very simple forward and backward drive motor control electronics projects can be designed using a low saturation voltage LB1948M 2 channels, forward-reverse motor control dri ver IC. LB1948M motor drive is the best choice for 12V motor drive system products in, or can drive two DC motors, DC motors are connected in parallel, or Phase 2 1-2 phase excitation mode drive bipolar stepper motors. LB1948M motor driver IC are some features: 12V power supply, low saturation voltage: VO (SAT) 0.5V (typ) IO 400 mA, zero current in the standby state, the brake function, built-in thermal shutdown breaking the circuit.

LB1948M can be used as a single channel H-bridge power supply is connected to IN3 IN1, IN2 to IN4, OUT1 to OUT3 and OUT2 OUT4 as shown in FIG. (Nominal 1.6A, VO (Saturday) 0.6V (typ) IO 800 MA). Circuit is very simple and requires few external electronic components.