STMicroelectronics L6228D - Dual DMOS Full Bridge Driver

The L6228D from STMicroelectronics is a high-performance dual full-bridge driver designed to drive inductive loads such as relays, solenoids, DC and stepping motors. This integrated circuit features dual DMOS full bridges with high current capability and low saturation voltage, making it a suitable choice for a wide range of motor control applications.

Key Features

• Operating supply voltage from 8 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
• Cross conduction protection
• Thermal shutdown
• Under voltage lockout
• Integrated fast free-wheeling diodes

The L6228D is designed for ease of use, with non-dissipative overcurrent protection and thermal shutdown features that ensure the safety and longevity of both the driver and the motor. Its cross-conduction protection prevents accidental damage due to simultaneous high-side and low-side conduction.

With an operating frequency of up to 100 kHz, the L6228D can be used in applications requiring high-speed operations. The inclusion of integrated fast free-wheeling diodes provides protection and efficiency, reducing the need for external components and simplifying the design process.

Under voltage lockout ensures that the device remains off unless there is a sufficient supply voltage. This feature is particularly important for battery-operated devices, where it can prevent deep discharge of the battery.

The L6228D's package is a PowerSO36, which is designed to optimize the thermal performance and the compactness of the system. This product is ideal for applications such as office automation, factory automation, industrial robotics, and other automated systems requiring robust and reliable motor control.

Overall, the L6228D is a versatile and reliable solution for designers looking to implement efficient motor control in their applications with minimal external components and a high level of protection.