








The IBT-4 50A H-Bridge High-Power Motor Driver is a robust motor control module built around a full H-bridge MOSFET driver with very low internal resistance and high current handling. It operates on a 5V–15V DC supply and can deliver up to 50A of current, making it ideal for heavy-duty DC motor applications. The module features optical signal isolation between the microcontroller and the motor circuit, protecting the MCU from noise and voltage spikes. With support for dual PWM inputs up to 200 kHz, it enables smooth forward and reverse motor control. It is commonly used for automotive power windows, electric doors, and short-duty high-current tasks.
وحدة تشغيل المحركات IBT-4 بجسر كامل وتيار 50 أمبير هي موديول قوي للتحكم في المحركات يعتمد على شريحة MOSFET بجسر H كامل بمقاومة داخلية منخفضة جداً وقدرة عالية على تمرير التيار. يعمل بجهد تغذية من 5 إلى 15 فولت ويقدم تياراً يصل إلى 50 أمبير، مما يجعله مناسباً لتطبيقات المحركات ذات الاستهلاك العالي. يتميز الموديول بعزل الإشارة بين المتحكم ودائرة المحرك لحماية المتحكم من الضوضاء والتشويش. يدعم مدخلين PWM بتردد يصل إلى 200 كيلوهرتز لتشغيل المحرك في الاتجاهين بسلاسة. يُستخدم عادةً في نوافذ وأبواب السيارات الكهربائية والتطبيقات قصيرة المدى ذات التيار العالي.
The IBT-4 50A H-Bridge High-Power Motor Driver is a high-performance motor control module engineered to handle demanding DC motor applications with precision and reliability. It is built around a full-bridge MOSFET driver chip configuration that combines extremely low internal resistance with high current capability, enabling efficient power delivery while minimizing heat dissipation during operation.
The module's MOSFET H-bridge drive circuit delivers strong driving and braking performance, giving users precise control over motor direction and speed. A key highlight of the IBT-4 is its integrated signal isolation chip, which electrically isolates the microcontroller's PWM signals from the motor power stage. This isolation effectively shields the MCU (Arduino, STM32, Raspberry Pi, etc.) from electrical noise, back-EMF, and voltage spikes generated by the motor, dramatically improving system reliability.
Operating on a 5V to 15V DC supply, the IBT-4 can deliver a peak current of up to 50A, making it suitable for powering large DC motors in short-duty applications. It supports two independent PWM inputs for forward and reverse control, with PWM frequencies up to 200 kHz, allowing smooth speed regulation and minimal audible switching noise. The logic inputs are compatible with control voltages ranging from 3.3V to 12V, ensuring broad compatibility with virtually any microcontroller or logic system.
Originally designed for automotive electric doors and power windows, the IBT-4 is ideal for short-duration, high-current tasks. Its compact design, robust protection, and ease of integration make it a preferred choice for robotics, DIY electric vehicles, industrial prototypes, and automation systems.