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L293D Dual H-Bridge Motor Driver IC

SKU: NC3W3JBLZH
The L293D is a popular Dual H-Bridge Motor Driver IC designed to control the direction and speed of DC motors and stepper motors using low-current control signals from microcontrollers. Featuring two independent H-Bridge driver circuits, the L293D can drive up to two DC motors simultaneously or one bipolar stepper motor. The IC includes built-in flyback protection diodes, eliminating the need...
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Specifications

Specifications:

IC Type: Dual H-Bridge Motor Driver
Model: L293D
Package Type: DIP-16
Number of Channels: 2
Motor Control: 2 DC Motors or 1 Stepper Motor
Logic Supply Voltage (VCC1): 4.5V – 7V
Motor Supply Voltage (VCC2): 4.5V – 36V
Output Current per Channel: 600mA Continuous
Peak Output Current: 1.2A per Channel
Input Logic Type: TTL Compatible
Output Configuration: Push-Pull H-Bridge
Built-in Protection Diodes: Yes
Enable Pins: 2 (PWM Compatible)
Logic Input High Voltage: Minimum 2.3V
Logic Input Low Voltage: Maximum 1.5V
Operating Temperature: 0°C to +70°C
Storage Temperature: -65°C to +150°C
Mounting Type: Through-Hole

Additional Resources

L293D.PDF

FAQ

1. What is the L293D Motor Driver IC used for?

The L293D is used to control DC motors and stepper motors from microcontrollers such as Arduino, ESP32, STM32, and Raspberry Pi.

2. How many motors can the L293D control?

The L293D can independently control two DC motors or one bipolar stepper motor.

3. Does the L293D include protection diodes?

Yes, the L293D includes built-in flyback protection diodes to protect the IC from voltage spikes generated by motors and other inductive loads.

4. Can PWM be used with the L293D for speed control?

Yes, PWM signals can be applied to the enable pins to control the speed of connected DC motors.

5. What is the maximum current output of the L293D?

The L293D can provide up to 600mA continuous current per channel, with peak currents up to 1.2A per channel for short durations.

View full product details

The L293D is a popular Dual H-Bridge Motor Driver IC designed to control the direction and speed of DC motors and stepper motors using low-current control signals from microcontrollers. Featuring two independent H-Bridge driver circuits, the L293D can drive up to two DC motors simultaneously or one bipolar stepper motor.

The IC includes built-in flyback protection diodes, eliminating the need for external protection components when driving inductive loads. Operating with separate logic and motor supply voltages, the L293D allows low-voltage microcontrollers such as Arduino, ESP32, STM32, PIC, and Raspberry Pi to safely control higher-voltage motors.

Housed in a standard DIP-16 package, the L293D is widely used in robotics, automation systems, motor control projects, educational kits, and embedded electronics applications.

Key Features

  • Dual H-Bridge motor driver IC
  • Controls two DC motors independently
  • Supports one bipolar stepper motor
  • Built-in flyback protection diodes
  • Separate motor and logic power supplies
  • Bidirectional motor control
  • Enable pins for PWM speed control
  • TTL and CMOS compatible inputs
  • Wide motor supply voltage range
  • Direct interface with microcontrollers
  • Compact DIP-16 package
  • Reliable and easy-to-use motor control solution