The L293D is a popular dual H-Bridge motor driver IC widely used in robotics and embedded electronics projects. It allows DC motors and stepper motors to be driven in both forward and reverse directions using control signals from microcontrollers such as Arduino, Raspberry Pi, or PIC. The IC can control up to two DC motors simultaneously or one stepper motor, with independent speed and direction control.
The L293D is built with internal diodes for back EMF protection, ensuring safe operation when motors are running or stopped abruptly. It operates on a wide supply voltage range (4.5V to 36V) and can deliver up to 600mA per channel, making it suitable for small to medium-sized DC motors.
Its DIP (Dual Inline Package) design makes it easy to use with breadboards, perf boards, and PCB projects. This IC is a must-have for robotics, motorized projects, and automation systems.
Features:
- Dual H-Bridge motor driver IC.
- Controls 2 DC motors or 1 stepper motor.
- Motor direction: Forward and Reverse.
- Motor speed control via PWM signals.
- Wide supply voltage range: 4.5V – 36V.
- Output current up to 600mA per channel (1.2A peak).
- Internal clamp diodes for back EMF protection.
- TTL and CMOS compatible logic inputs.
- Compact 16-pin DIP package for easy prototyping.
Applications:
- Robotics projects.
- DC motor driver for small robots.
- Stepper motor driver.
- Arduino/Raspberry Pi motor control projects.
- Line follower robots, obstacle avoiding robots, robotic arms.
- Automation and mechatronics projects.
- Power control for electromechanical systems.
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