DRV11873PWPR

The DRV11873PWPR is a three-phase sinusoidal sensorless BLDC motor driver with integrated power MOSFETs. It is designed for driving sensored or sensorless three-phase BLDC motors, providing a simple and efficient solution for motor control applications.

Pinout

(Note: The pin configuration below is a general representation. Refer to the specific datasheet for precise details.)

• VCC: Positive power supply for the IC
• GND: Ground connection
• VDD: High-side bootstrap supply voltage
• HIN1: Input for phase 1 high-side FET
• LIN1: Input for phase 1 low-side FET
• HIN2: Input for phase 2 high-side FET
• LIN2: Input for phase 2 low-side FET
• HIN3: Input for phase 3 high-side FET
• LIN3: Input for phase 3 low-side FET
• FLTA: Fault status output
• FLTB: Fault status output
• VM: Motor supply voltage connection

Circuit Diagram

Include a circuit diagram illustrating the connections and operation of the DRV11873PWPR IC for a visual representation.

Key Features

• Sensorless Sinusoidal Control: Provides smooth and efficient control of three-phase BLDC motors without the need for position sensors.
• Integrated Power MOSFETs: The DRV11873PWPR includes integrated power MOSFETs, simplifying the motor driver design and reducing external components.
• High-Efficiency Operation: Offers high efficiency and low power dissipation during motor operation, ideal for energy-conscious applications.
• Fault Protection Features: Includes fault protection mechanisms to safeguard the motor driver and connected motor under abnormal conditions.
• Programmable Control: Allows for programmable motor control parameters to optimize motor performance based on specific application requirements.

Note: For detailed technical specifications, please refer to the DRV11873PWPR datasheet.

Application

• Brushless DC Motor Control: Ideal for driving sensored or sensorless three-phase BLDC motors in various applications such as fans, pumps, and robotics.
• Industrial Automation: Suitable for use in industrial automation systems requiring precise motor control and efficiency.
• Electric Vehicles: Used in electric vehicle applications for controlling the propulsion motors efficiently.

Functionality

The DRV11873PWPR is a versatile motor driver designed for seamless control of three-phase BLDC motors, offering reliable performance and efficient operation in diverse motor control applications.

Usage Guide

• Power Connections: Connect VCC, GND, and VM to the respective power supplies as per the recommended operating conditions.
• Motor Connections: Connect the motor phases to the corresponding HIN and LIN inputs for controlling the motor phases.
• Fault Monitoring: Monitor the FLTA and FLTB outputs for fault status indications and implement appropriate actions in case of faults.

Frequently Asked Questions

Q: Can the DRV11873PWPR support regenerative braking?
A: Yes, the DRV11873PWPR has features to support regenerative braking in motor control applications, allowing efficient energy recovery.

Q: Is the DRV11873PWPR suitable for high-speed motor applications?
A: The DRV11873PWPR is designed to operate effectively in various motor speed ranges, including high-speed applications, providing reliable motor control.