The L293D is a quadruple half-H bridge motor driver IC designed to control two DC motors or one bipolar stepper motor. It accepts standard TTL/CMOS logic inputs and features integrated clamp diodes for protection against inductive loads, making it ideal for robotics, automation, and embedded motor-control applications.
Key Features
• Quadruple Half-H Bridge Driver
• Drives 2 DC Motors or 1 Bipolar Stepper Motor
• Operating Motor Supply: 4.5V to 36V
• Logic Supply: 5V
• Output Current: 600mA per channel
• Peak Output Current: 1.2A per channel (non-repetitive)
• Built-in Flyback (Clamp) Diodes
• Dual Enable Inputs for PWM Speed Control
• Overtemperature Protection
• TTL/CMOS Compatible Inputs
• Suitable for Switching Frequencies up to 5kHz
Technical Specifications
Parameter Value
Manufacturer STMicroelectronics
Part Number L293D
Driver Type Quadruple Half-H Bridge
Motor Supply Voltage 4.5V to 36V
Logic Supply Voltage 4.5V to 7V (Typically 5V)
Continuous Output Current 600mA/Channel
Peak Output Current 1.2A/Channel
Number of Channels 4
Protection Internal Clamp Diodes, Thermal Shutdown
Package DIP-16 / SO-20
Operating Frequency Up to 5kHz
Applications
• DC Motor Control
• Stepper Motor Driver
• Robotic Projects
• Conveyor Systems
• Industrial Automation
• Smart Home Devices
• Embedded Systems
• Arduino & Raspberry Pi Projects
Keywords
L293D Motor Driver IC, STMicroelectronics L293D, Quadruple Half-H Driver, DC Motor Driver, Stepper Motor Driver IC, DIP16 Motor Driver, H-Bridge IC, Robotics Motor Controller
