The BD63521EFV-E2 is a Micro Step 36V Motor Driver manufactured by ROHM. It is a high-end Motor/Motion/Ignition Controller & Driver specifically designed to provide maximum speed and torque control of brushless DC motors. This highly efficient design is suitable for use in applications such as elevators, gondolas, escalators, and robotic arms. It features a high speed current mode driving system and a built-in Hall-Effect sensor. The BD63521EFV-E2 offers a wide range of features including over-current protection, over-temperature protection, linear current control, and fast response time. It comes in a 28-pin HTSSOP package.