MC33887DWBR2

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The MC33887DWBR2 is a Motor Drivers, Controllers integrated circuit, designed to optimize engineers’ motion control projects with its advanced features and wide variety of application fields.

The IC package comes in a compact footprint which is optimized to save power while allowing designers to reduce printed circuit board (PCB) area and weight. As the MC33887DWBR2 requires an input voltage range from a minimum of 9V to a maximum of 36V, enabling various powerful applications.

The MC33887DWBR2, featuring a peak current control mode, is ideal for all permanent magnet, brushless DC and stepper motor applications, as the IC provides full protection against failures such as over current, over temperature and under voltage.

The MC33887DWBR2 is also equipped with over current protection (OCP) which helps to ensure the IC does not overheat and offers excellent supply current ripple rejection, thus making the IC secure when used with diverse additional components. Additionally, the IC allows designers to choose between Hall data acquisition and pulse width modulation (PWM) when controlling the motor.

Moreover, the IC enables the user to link two separate applications by connecting two intelligent controllers, or when connected to smart phones with an interface device such as a brushless DC or stepper driver, it allows the user to control the motor speed, position, direction and current.

The MC33887DWBR2 supports several sensorless control methods. These include speed / position control using Hall data, voltage controlled motor speed (VCMS) and back EMF (encoder) based sine wave commutation control. As the IC supports multiple on-chip control loops and offers complete synchronization between the power packet, the motor, and the power stage, it greatly reduces the load on the system’s CPU.

The MC33887DWBR2 is designed to provide superior control features in order to increase efficiency and reduce noise. The comprehensive range of features and the ability to allow a designer to tune the system makes the IC ideal for controlling DC motors.

By supporting the use of Hall-Effect sensors and encoders, the MC33887DWBR2 ensures that the motor is well operated even at indeterminate speed and positions. Also, mechanical resonances caused by motor speed and position oscillations, as well as motor start-up times are reduced through the advanced system synchronization.

The motor drivers, controllers offer also very low voltage operation and advanced motor control capabilities in terms of current limits, velocities and accelerations. The advanced motor control capability of the MC33887DWBR2 allows the controller to accurately determine the rate of acceleration and deceleration, ensuring that the envelope of current is always within the set boundaries.

Other features of the MC33887DWBR2 allow the controller to reduce noise and heat generated by the IC, further increasing system efficiency and decreasing the total cost of ownership. Additionally, the IC supports low-voltage operation, which helps to reduce the high-frequency noise generated in power application designs, allowing the user to enjoy better sound quality, at lower levels of power consumption.

It is ideal for automotive, security, medical and industrial applications and features a low operating voltage of just 8.5V, making it suitable even for battery operation. With its wide variety of application fields and advanced features, the MC33887DWBR2 promises a powerful, reliable, and cost-effective solution for any motor-control application.

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