The L6225N is a powerful motor driver integrated circuit produced by STMicroelectronics, designed to drive both windings of a bipolar stepper motor or bidirectionally control two DC motors. The L6225N is housed in a 24-pin DIP package, making it suitable for through-hole mounting techniques, which are beneficial for prototyping and educational purposes.
Key Features
- Operating supply voltage from 8 V to 52 V
- 5.6 A output peak current (2.8 A DC)
- RDS(on) 0.3 Ω typ. value at 25 °C
- Operating frequency up to 100 kHz
- Non-dissipative overcurrent protection
- Parallel operation with other L6225 devices for higher current applications
- Cross conduction protection
- Thermal shutdown
- Under voltage lockout
- Integrated fast free-wheeling diodes
Applications
The L6225N is versatile and can be used in a range of applications that require precise and efficient motor control. It is particularly well-suited for:
- Stepper motor drivers in printers, robotics, and factory automation
- DC motor driving in consumer applications and toys
- Position and velocity servomechanisms
- Factory automation robots
Design Support
STMicroelectronics provides extensive support for the L6225N, including application notes, reference designs, and evaluation boards. This support helps designers to rapidly develop and prototype systems that require motor control capabilities. The L6225N is also supported by the ST motor control ecosystem, which includes software tools for easy setup and configuration.
Quality and Reliability
As with all STMicroelectronics products, the L6225N is manufactured to high standards, ensuring reliability and performance in demanding applications. The device's built-in protection features, such as overcurrent protection and thermal shutdown, safeguard the IC from potential damage due to abnormal operating conditions, thereby enhancing system reliability.
