L293D Dual H-Bridge Motor Driver IC DIP-16

L293D Dual H-Bridge Motor Driver IC DIP-16 is a popular integrated circuit used for driving DC motors and stepper motors. It features two full H-bridge drivers capable of independently controlling the direction and speed of two motors. It is widely used in robotics and automation projects for its simplicity, protection features, and compatibility with microcontrollers like Arduino, Raspberry Pi, and others.

Key Features:

• Dual H-Bridge Driver: Controls two DC motors or one stepper motor independently.
• Wide Operating Voltage: Supports motor supply voltage from 4.5V to 36V.
• Output Current: Up to 600mA per channel (peak 1.2A).
• TTL Compatible Inputs: Easily controlled by logic-level microcontrollers.
• Built-in Protection: Includes internal clamp diodes and thermal shutdown.

Technical Specifications:

• Number of Channels: 2 full H-bridge drivers
• Supply Voltage (V_cc1): 4.5V – 7V (logic voltage)
• Motor Supply Voltage (V_cc2): 4.5V – 36V
• Output Current: 600mA continuous per channel (1.2A peak)
• Input Logic Levels: Compatible with 5V TTL/CMOS logic
• Enable Pins: Allows individual motor control activation

Mechanical Specifications:

• Package Type: DIP-16 (Dual Inline Package)
• Pin Count: 16 pins
• Package Material: Epoxy resin over mold with copper lead frame
• Dimensions: Approx. 20mm x 7mm x 3mm

Pinout and Wiring:

• Pin 1 & 9: Enable A & B
• Pin 2 & 7 / 10 & 15: Input 1,2 (Motor A) / Input 3,4 (Motor B)
• Pin 3 & 6 / 11 & 14: Output 1,2 (Motor A) / Output 3,4 (Motor B)
• Pin 4, 5, 12, 13: Ground
• Pin 8: Motor Supply (Vcc2)
• Pin 16: Logic Supply (Vcc1)

Datasheet and Documentation:

• Download L293D Datasheet (PDF)

Applications:

• Robotics: Ideal for controlling robot wheels or arms using DC or stepper motors.
• Motorized Projects: Used in conveyor belts, mechanical actuators, and pumps.
• Smart Vehicles: Drives motors in small electric car or obstacle-avoiding bots.
• Industrial Automation: Controls motors for valves and levers.
• Educational Kits: Included in many STEM and Arduino-based learning kits.

Equivalent Models:

• L293: Same function but without internal clamping diodes
• SN754410: TI equivalent with similar specs
• ULN2003 (for unidirectional): Can be used for basic relay or unidirectional motor driving

Package Includes:

• 1 x L293D Dual H-Bridge Motor Driver IC DIP-16