What is L293B Chip?

 The L293B is a dual H-bridge motor driver IC by STMicroelectronics, ideal for driving DC motors and other inductive loads. It can independently control the speed and direction of two DC motors or drive a single stepper motor. This IC is commonly found in robotics, automotive systems, and other motor control applications. 

Key Features: 

  • Dual H-Bridge Design: Supports independent control of two DC motors or a single stepper motor, allowing for bi-directional movement.
  • Wide Voltage Range: Operates from 4.5V to 36V, making it compatible with a range of power sources, including batteries and low-voltage DC supplies.
  • High Output Current: Delivers up to 1A per channel continuously, with a peak output of 2A for handling higher loads. 
  • Thermal Protection: Includes built-in thermal shutdown to protect against overheating, especially under heavy loads or during prolonged use. 
  • Flyback Diodes: Integrated flyback diodes protect the IC from voltage spikes generated by inductive loads, enhancing reliability. 

Applications:

  • Robotics: Often used in robotics for controlling motorized wheels, robotic arms, and other mobile applications requiring precise speed and directional control.
  • Remote-Controlled Vehicles: Suitable for RC vehicles, drones, and other hobbyist applications requiring reliable motor control.
  • Automation Systems: Used in conveyor belts, automated doors, and other industrial automation that require bidirectional motor control. 

The L293B provides a robust and straightforward solution for driving small to medium-sized motors in various applications, with protection features and support for high-current loads. Its versatility and ease of use make it a popular choice for motor control in both commercial and hobbyist projects.

Search List Page： L293B Parts Search Page | Datasheet PDF | Price | Quantity-MobikeChip

Reprinted from: https://www.mobikechip.com/static-product-faq-detail/205.html 

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