MPC17511AEPR2

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MPC17511AEPR2 is an integrated multi-phase motor controller with integrated power stage and is designed to provide a flexible and cost effective solution for 3-phase brush DC, BLDC and VEMS motors. The device integrates all the necessary features and functions for total design automation, maximum system reliability and scalability for most 3-phase applications.

It has a Dual Power Hall-Effect Sensor Interface for poles detection and closure detection, a PWM controller for closed loop 3-phase speed control, a digital loop filter for regulation of the output voltage (phase angle or field weakening) and a current feedback control loop for virtual current source regulation.

The MPC17511AEPR2 provides multiple drivers inside the package and can provide up to one hundred twenty-five W of output power. The device is protected with over temperature, undervoltage and overcurrent protection. The device also includes an internal charge pump and a voltage feedback loop that provide a high level of accuracy.

The device is housed in a 24-pin LFCSP (Low-profile Flip-chip), making it suitable for use on space restrained boards. The device supports both the standard mode of operation and the active current cancellation to reduce the motor vibrations. Furthermore, the motor performance is optimized since the power stages are optimized for low switching losses, high speed and high efficiency.

The bipolar driver architecture adds best-in-class efficiency to the design; operating with up to 6.2V voltage and current ratings of 700mA per output channel. The device performs as a low-power, low-voltage multi-phase 3-phase motor controller, providing a range of features that allow the control system to control the speed of the motor, regulate the current and the torque, and configure the fault settings for maximum system performance. The BLDC controller generates the PWM signals for controlling the motor with the power stages being independently controlled.

The MPC17511AEPR2 includes a 20 MHz SPI interface to configure the device settings and monitor the motor/power stage performance. The device also includes a dual-channel integrated switch with adjustable trip points, output enable and master enable. It can provide ultimate protection for the motors and the system.

The device offers multiple working modes, such as the normal mode, slow start, speed ramp, PWM override and shutdown mode, as well as a comprehensive range of diagnostics and protection features to prevent damage to motors and power stages. The MPC17511AEPR2 is compatible with several motors, including brush DC, BLDC, and VEMS motors.

Applications that can benefit from the use of the MPC17511AEPR2 include industrial automation, aerospace, automotive and consumer electronics. The device can be used in battery powered applications to enable high speed and accurate control without compromising the battery life.

In conclusion, the MPC17511AEPR2 is an integrated multi-phase motor controller with integrated power stages, ideal for a range of motor control applications. Its integrated features and functions make it an excellent choice for designing an efficient and cost-effective 3-phase motor control system.

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