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Texas Instruments DRV8432DKDR Environmental and export classification status description

The DRV8432 is a high-voltage motor driver that can control two DC motors or stepper motors. It integrates a driver and has protection features, making it suitable for a variety of applications where motor control is required. The device is designed for operation with a supply voltage of up to 36V and can provide high output current. Functions - H-Bridge Configuration: Allows for forward and reverse control of DC motors. - Current Regulation: Capable of setting an adjustable current limit which protects the motor and the IC. - PWM Control: Supports pulse-width modulation for speed control of the motors. - Built-in Protection Features: Includes over-current protection, thermal shutdown, and undervoltage lockout. - Charge Pump: To enhance driving capability for high side FETs. Applications - Robotics: For driving wheels and arms in robotic systems. - Toys: Used in remote-controlled cars and toys. - Industrial Automation: Control of small motors in various automated systems. - Home Appliances: Driving motors in devices like washing machines or vacuum cleaners. - Medical Devices: Motor control in medical applications for delivery systems or robotic assistance. Alternative Parts - DRV8842: Another Texas Instruments motor driver that supports similar functionality with different performance parameters. - L298N: A widely used dual H-bridge motor driver compatible with various applications. - A4988: A popular stepper motor driver with microstepping capabilities. - DRV8833: A dual H-bridge driver with lower voltage specifications than the DRV8432. Embedded Modules Texas Instruments and third-party vendors may provide evaluation boards or embedded modules that feature the DRV8432: - DRV8432EVM: An evaluation module for experimenting with the DRV8432 in various configurations. - Motor Driver Shields: Some Arduino-compatible shields may integrate the DRV8432 or similar drivers. Related Q&A 1. Q: What is the maximum output current for the DRV8432 motor driver? A: The DRV8432 can provide a continuous output current of up to 2 A per H-bridge, depending on the thermal management conditions. 2. Q: How do I control the speed of a motor using the DRV8432? A: Speed control can be achieved using PWM (Pulse Width Modulation) signals applied to the input pins of the DRV8432, where the duty cycle of the PWM signal determines the average voltage and, consequently, the speed of the motor. 3. Q: What features protect the DRV8432 from damage during motor operation? A: The DRV8432 includes several protection features such as over-current protection, thermal shutdown, and undervoltage lockout to safeguard the device and connected motors. 4. Q: Is the DRV8432 suitable for driving stepper motors? A: Yes, the DRV8432 can drive both DC and stepper motors, making it versatile for different applications. 5. Q: What is the recommended input voltage range for the DRV8432? A: The DRV8432 operates with a supply voltage in the range of 8V to 36V, allowing it to drive a wide variety of motor types effectively. These insights cover the key aspects of the DRV8432 and provide a basic foundation for understanding its usage in motor control applications.