The L298 from STMicroelectronics is a high-power, dual full-bridge driver designed to accept standard TTL logic levels and drive inductive loads such as relays, solenoids, DC and stepping motors. It is capable of driving up to 2A per channel with a voltage range of 7V to 46V, making it a versatile choice for a variety of high-power applications.

Key Features

• Operating supply voltage up to 46 V
• Total DC current up to 4 A
• Low saturation voltage
• Overtemperature protection
• Logical "0" input voltage up to 1.5 V (high noise immunity)

The device comes in a 15-lead Multiwatt package and is designed with an internal clamp diodes for inductive transient suppression which is essential for driving inductive loads. The L298 includes a large heat sink which ensures good heat dissipation during high current operations. The device is also equipped with protection circuitry to guard against the possibility of over-temperature conditions.

Applications

The L298 is suitable for a wide range of applications, from controlling small DC motors in robotics and automation systems to managing the direction and speed of stepper motors in 3D printers and CNC machines. Its robustness and ease of use make it a popular choice among hobbyists and professionals alike for driving bidirectional DC motors and stepper motors.

Easy to Implement

With its simple logic control interface, the L298 can be easily controlled by microcontrollers and other digital logic circuits. The device's datasheet provides comprehensive details and application notes to assist users in integrating the L298 into their designs with minimal hassle.

Whether you're developing a prototype or setting up a production run, the L298 dual full-bridge driver is an excellent choice for reliable, high-performance motor control.