BD7909FS-E2

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High-power motor drives have become an essential component of mechanical automation and control applications. Motor drive ICs enable efficient control of motor speed and torque, while providing high current capability and improved performance. The BD7909FS-E2 is a high-power motor driver suitable for motor drive applications such as automotive motor drivers, power tools and motor control, and industrial appliance motor controllers.

The BD7909FS-E2 is part of the Renesas ultra-low-voltage-dropout (LDO) and high-side/low-side (HDL) family of motor drivers. It is a fully integrated and functionally optimized device that features multi-phase gate drivers, current-sense amplifiers, and voltage-mode control for three-phase brushless DC motors. By combining a low-voltage-dropout (LDO) supply with a high-voltage-dropout (HDL) supply, the BD7909FS-E2 is capable of delivering high power, current and voltage levels suitable for automotive and industrial applications.

The BD7909FS-E2 features a high-side/low-side (HDL) driver with an adjustable peak current limit, which enables efficient motor control while reducing power losses, prolonging the motor’s service life and reducing noise, vibration and overall power consumption. The adjustable peak current limit setting, along with the phase current setting, enables precise motor speed and torque control, while offering flexibility in motor control design.

The voltage-mode control of the BD7909FS-E2 provides efficient control of motor speed and torque. The integrated motor current sensing allows motor speed and current limitation to ensure safe motor operation in various conditions. Additionally, the BD7909FS-E2 includes an integrated S-RGB for monitoring motor speed and current.

In conclusion, the BD7909FS-E2 is a versatile and efficient motor driver that offers advanced features and performance for automotive and industrial motor control applications. By combining its low-voltage-dropout (LDO) and high-voltage-dropout (HDL) supplies with an adjustable peak current limit, adjustable current setting and integrated motor current sensing, it delivers high power, current and voltage levels for efficient and reliable motor control in a variety of applications.

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