L293D DUAL Motor Driver With Thermal Shutdown

Overview

The L293D is a versatile push-pull four-channel driver IC designed to control DC motors, stepper motors, and other inductive loads in your robotics and automation projects. It integrates dual H-bridge circuits with built-in diodes, making it a reliable and cost-effective solution for bidirectional motor control. With support for supply voltages from 7 to 36 volts and a continuous output current of 600mA per channel (1.2A peak), the L293D is a staple for hobbyists and professionals alike. Its thermal shutdown protection ensures safe operation even under demanding conditions.

Key Features

• Dual H-Bridge: Can independently drive two DC motors or one bipolar stepper motor.
• Wide Voltage Range: Operates from 7V to 36V, accommodating a variety of power sources.
• High Current Capacity: Delivers 600mA continuous current per channel (1.2A peak).
• Built-in Diodes: Integrated flyback diodes protect against voltage spikes from inductive loads.
• Thermal Shutdown: Automatically disables outputs if the IC overheats, preventing damage.
• Simple Interface: Compatible with standard logic-level control signals from microcontrollers.
• Versatile Control: Supports forward, reverse, and speed control via PWM.

Technical Specifications

• Supply Voltage (VS): 7V to 36V
• Logic Voltage (VSS): 5V (typical)
• Output Current per Channel: 600mA continuous, 1.2A peak
• Number of Channels: 4 (2 H-bridges)
• Package: 16-pin DIP (or equivalent)
• Operating Temperature: 0°C to 70°C (ambient)

Applications & Use Cases

• Robotics: Drive DC motors in line-following, obstacle-avoiding, and remote-controlled robots.
• Automation: Control conveyor belts, actuators, and small mechanical systems.
• Educational Projects: Ideal for university and school engineering projects.
• Stepper Motor Control: Drive bipolar stepper motors for precise positioning.
• Mechatronics: Integrate into CNC machines, 3D printers, and other precision equipment.

What's Included

• 1x L293D Motor Driver IC (DIP package)

Compatibility

• Works with Arduino, Raspberry Pi, ESP32, and other microcontrollers.
• Can be used with external power supplies up to 36V.
• Compatible with common motor driver breakout boards for prototyping.

MOKWN Recommendation

The L293D is a reliable and budget-friendly motor driver for beginners and intermediate makers. For higher current applications or when using multiple motors, consider our L298N module or DRV8825 stepper driver. For quick prototyping, pair it with our L293D breakout board. Always ensure adequate heat dissipation for continuous high-current operation.