STMicroelectronics L6226Q - High-Performance Dual Full-Bridge Driver

The L6226Q from STMicroelectronics is a state-of-the-art dual full-bridge driver designed to drive bipolar stepper motors, DC motors, and other inductive loads that require high-current driving capabilities. This integrated circuit is ideal for a wide range of applications, including robotics, automation systems, printers, and other industrial applications.

Key Features

• Operating voltage range from 8 V to 52 V
• Output current up to 1.5 A per channel
• Low RDS(on) outputs (
• Overcurrent and thermal shutdown protection
• Non-dissipative overcurrent protection
• Cross-conduction protection
• Parallel operation capability for higher current applications
• Under voltage lockout
• Compatible with 3.3V and 5V logic inputs

The L6226Q features a wide operating voltage range, making it versatile for various power supply configurations. Its high output current capability, combined with low on-resistance, ensures efficient operation with minimal heat generation. The device incorporates advanced protection features such as non-dissipative overcurrent protection, thermal shutdown, and cross-conduction protection, ensuring the safety and reliability of the system under extreme conditions.

Flexible and User-Friendly

The dual full-bridge architecture of the L6226Q allows for independent control of two motors or the ability to control a single stepper motor. The IC is compatible with both 3.3V and 5V logic inputs, providing flexibility in interfacing with various microcontrollers and logic devices. Additionally, for applications requiring higher current, multiple devices can be connected in parallel, further enhancing its versatility.

Compact and Efficient Design

STMicroelectronics has packaged the L6226Q in a compact QFN (Quad Flat No-leads) package, which not only saves space on the PCB but also facilitates efficient heat dissipation. This compact form factor, combined with its high level of integration, reduces the number of external components required, simplifying the design process and accelerating time-to-market for end products.

Overall, the L6226Q is a robust and reliable solution for driving high-current inductive loads, offering designers a perfect blend of performance, protection, and ease of use.