L293D Motor Driver IC

L293D Motor Driver IC is a popular and reliable dual H-bridge motor driver designed for controlling DC motors and stepper motors in embedded systems, robotics, and automation projects. Known for its simplicity, versatility, and built-in protection features, the L293D is widely used in Arduino, Raspberry Pi, PIC, AVR, and ARM-based microcontroller applications.

Capable of driving two DC motors independently or one bipolar stepper motor, the L293D provides precise control over motor direction and speed using standard logic signals. With its on-chip clamp diodes, the IC protects sensitive electronics from voltage spikes caused by inductive loads, making it ideal for beginners as well as professional designers.

The L293D comes in a 16-pin DIP package, ensuring easy breadboard prototyping and straightforward PCB integration. Its robust design and long-standing industry adoption make it a trusted choice for motor control in educational kits, DIY projects, and commercial products.

Key Features of L293D Motor Driver IC

• Dual H-Bridge Configuration
  Drives two DC motors independently or one bipolar stepper motor with full directional control.

• Wide Operating Voltage Range
  Supports logic voltages of 4.5 V to 7 V and motor supply voltages up to 36 V.

• Integrated Flyback Diodes
  Built-in clamp diodes protect the IC from back EMF generated by motors.

• TTL & CMOS Compatible Inputs
  Easily interfaces with popular microcontrollers such as Arduino, Raspberry Pi, ESP32, and STM32.

• Current Handling Capability
  Can deliver up to 600 mA per channel (peak current up to 1.2 A).

• Thermal Shutdown Protection
  Automatically shuts down output stages in case of overheating.

• Enable Pins for Speed Control
  Enable pins allow PWM-based speed control for smooth motor operation.

• Compact & Breadboard Friendly
  16-pin DIP package simplifies testing, prototyping, and replacement.

Technical Specifications – L293D IC

• IC Type: Dual H-Bridge Motor Driver

• Model: L293D

• Number of Channels: 2

• Motor Types Supported: DC motors, Bipolar stepper motors

• Logic Supply Voltage (Vcc1): 4.5 V to 7 V

• Motor Supply Voltage (Vcc2): Up to 36 V

• Output Current: 600 mA per channel

• Peak Output Current: 1.2 A (short duration)

• Input Logic Level: TTL / CMOS compatible

• Enable Control: Yes (EN1, EN2 pins)

• Protection: Internal flyback diodes, thermal shutdown

• Package Type: 16-pin DIP

• Operating Temperature Range: 0°C to +70°C

Note: Electrical characteristics may vary slightly depending on manufacturer.

Applications of L293D Motor Driver IC

The L293D motor driver IC is extensively used in a wide range of motor control applications due to its ease of use and reliability. Common applications include:

Robotics & Educational Projects

Widely used in robot cars, line-following robots, obstacle-avoiding robots, and educational robotics kits.

Microcontroller-Based Systems

Ideal for controlling motors using Arduino, Raspberry Pi, ESP8266, ESP32, STM32, and other development boards.

DC Motor Speed & Direction Control

Used in small conveyors, automated doors, fans, and motorized mechanisms.

Stepper Motor Control

Capable of driving small bipolar stepper motors for precise positioning applications.

DIY Electronics & Prototyping

Popular among hobbyists, students, and researchers for quick prototyping and experimentation.

Embedded & Industrial Control

Used in low-power industrial automation, relay replacements, and electromechanical control systems.

Why Choose the L293D Motor Driver IC?

The L293D stands out as a cost-effective, reliable, and easy-to-use motor driver solution. Its integrated protection features eliminate the need for external flyback diodes, reducing component count and PCB complexity. The ability to control both DC and stepper motors makes it a versatile choice for multiple applications.

With decades of proven performance, excellent documentation, and widespread community support, the L293D Motor Driver IC remains a go-to solution for learning motor control and deploying simple motor-driven systems.

Choose the L293D Motor Driver IC for dependable motor control, straightforward integration, and excellent value in your next electronics or robotics project.

Package Includes:

1 x L293D Motor Driver IC

FAQ

1. Where can we buy this L293D Motor Driver IC?

This product is available online https://aiiottech.in/product/l293d-motor-driver-ic/ and also available at our store in Pudupakkam/Kelambakkam, Chennai-603103

2. When can I get this L293D Motor Driver IC after placing the order?

RGRJ AIIoT TECHNOLOGIES will immediately ship and deliver the product within 1-3 working days.

Video Link: Arduino DC Motor Control with L293D Motor Driver IC