DSM Online Support
Support Master
Welcome to DSM Online
How can I help you today
How can we assist you? please let us know the support you need from DSM Online
Every mobile robot, every automated gate, and every simple DC fan needs a controller to manage its power and direction. Microcontrollers are the brains, but they lack the muscle to drive motors directly. This is where the venerable L293D DIP IC—the industry-standard motor driver IC—steps in. Having a L293D DIP IC Make ST (Pack of 2) on your workbench is essential, providing the robust power interface you need for reliable robotic and electronic control.
Microcontrollers operate on low current (typically just a few milliamps) and low voltage (3.3V or 5V). DC motors, however, often require higher voltages (like 9V or 12V) and draw hundreds of milliamps or even amps of current. Connecting a motor directly to a microcontroller pin will instantly damage the chip.
The L293D solves this by acting as a power amplifier and an interface bridge.
Power Amplification: It takes the low-current digital signals from the microcontroller (the "logic") and uses them to switch the higher current needed for the motors (the "power").
H-Bridge Architecture: The L293D contains two full H-bridge circuits. An H-bridge is a specific arrangement of transistors that allows current to flow through a motor in either direction. This is the magic that enables the motor to spin forward, reverse, and brake.
This dual-bridge architecture means a single L293D IC can control two independent DC motors or one powerful stepper motor. Having a pack of two doubles your capability, allowing control of four motors for a standard robotic platform.
When selecting electronic components, the manufacturer matters. The L293D manufactured by STMicroelectronics (ST) is renowned for its quality and durability. This commitment to robust design ensures:
High Current Handling: The L293D can typically source up to 600mA per channel, which is enough to drive most small to medium DC motors used in hobby and educational robotics.
Internal Diodes: The L293D includes built-in flyback (or snubber) diodes. Motors are inductive loads, and when they are suddenly turned off, they generate a high-voltage spike (a back EMF). These internal diodes safely shunt that harmful voltage away, protecting the L293D itself and, more importantly, your expensive microcontroller.
DIP Package Simplicity: The DIP (Dual In-line Package) format makes the L293D IC incredibly simple to use. It plugs directly into a standard breadboard or socket, eliminating the need for complex surface-mount soldering—perfect for beginners and rapid prototyping.
The versatility of the L293D motor driver makes it indispensable for a variety of projects:
Mobile Robotics: It is the classic choice for differential drive robots (two-wheeled platforms) as it handles the forward/reverse control for both motors needed for steering.
Actuator Control: Controlling the movement of solenoids, locks, or linear actuators in automation systems.
Stepper Motor Projects: Driving a single stepper motor for precise positioning in camera sliders or 3D printers.
To ensure you are getting authentic, high-quality components for your motor control needs, look no further. You can purchase the genuine L293D DIP IC Make ST (Pack of 2) right here:
We at #dsmelectro are committed to supplying quality #electroniccomponents for every build, making us a top choice among #electronicshopinindia and a leading #electroniccomponentsonlinestoreindia. When you search for an #electronicshopnearme or #electroniccomponentsshopnearme on Google, you'll find our quality and service are unmatched.
The L293D DIP IC remains the premier gateway into practical motor control. It bridges the gap between low-power logic and high-power mechanical action with unparalleled ease and safety. By integrating this robust motor driver IC into your designs, you give your microcontroller the muscle it needs to move the world.
