STMicroelectronics

L293D

The L293D is a 16-pin monolithic integrated circuit manufactured by STMicroelectronics. It is a member of the L298 family of motor drivers, which are designed to drive inductive loads such as DC motors, relays, and solenoids.

Description:

The L293D is a quadruple half-H driver integrated circuit that can handle two DC motors or one stepper motor. It features high-current capability, with each channel capable of delivering up to 600mA of current. The L293D is designed to operate from a single power supply voltage, which can range from 4.5V to 36V.

Features:

1. Four half-H driver channels: The L293D has four channels that can be used to drive two DC motors or one stepper motor.
2. High current capability: Each channel can deliver up to 600mA of current.
3. Single power supply: The L293D can operate from a single power supply voltage ranging from 4.5V to 36V.
4. Logic-level inputs: The inputs are compatible with standard logic levels, making it easy to interface with microcontrollers and other digital circuits.
5. Diode protection: The L293D includes diodes for flyback protection, which helps to protect the motor and the driver from voltage spikes.
6. Thermal overload protection: The L293D features thermal overload protection to prevent damage to the motor and the driver in case of excessive current draw.

Applications:

The L293D is commonly used in a variety of applications that require driving DC motors or stepper motors, including:

1. Robotics: The L293D is often used in robotic platforms to drive the motors that control movement.
2. Motor control: The L293D can be used to control the speed and direction of DC motors in various applications, such as fans, pumps, and conveyors.
3. Power tools: The L293D can be used to drive the motors in power tools, such as drills and saws.
4. Toys and hobby applications: The L293D is often used in remote-controlled vehicles and other hobby applications to drive the motors that control movement.
5. Industrial automation: The L293D can be used in industrial automation systems to control the movement of machinery and other equipment.

Overall, the L293D is a versatile and reliable motor driver that is widely used in a variety of applications that require driving DC motors or stepper motors. Its high current capability, single power supply operation, and compatibility with standard logic levels make it a popular choice for hobbyists, engineers, and researchers.