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Texas Instruments DRV8718SQRVJRQ1 Environmental and export classification status description

The DRV8718SQRVJRQ1 is a dual H-bridge motor driver integrated circuit (IC) from Texas Instruments, designed to drive bipolar stepper motors with current control, and to offer high efficiency and low noise during operation. It features an advanced microstepping capability, allowing for smooth motion and precision in applications requiring fine control. Functions - Dual H-Bridge Configuration: The IC can control two motors or two phases of a bipolar stepper motor. - Current Control: It includes adjustable current control features, allowing users to set the desired peak current for the motor. - Microstepping: Offers different microstepping resolutions (like full-step, half-step, quarter-step, etc.), reducing vibration and noise. - Integrated Protection Features: Built-in overcurrent, short-circuit protection, and thermal shutdown features enhance reliability. - Digital Interface: Supports various interfaces, including PWM and step/dir input for easy motor control. Applications - 3D Printers: Ideal for precise control of the motors used for the printing head and moving platforms. - Robotic Systems: Used in robotic arms and other applications requiring precise motor control. - CNC Machines: Provides reliable motor control for computer numeric control systems. - Medical Equipment: Applicable in devices requiring stepper motors for precise motion. - Automated Equipment: Found in various automated systems where motor control is vital. Alternative Parts - DRV8825: A similar stepper motor driver with microstepping capabilities. - DRV8711: A simpler motor driver without the same advanced control features. - A4988: Another popular stepper motor driver known for its ease of use and affordability. - TMC2208: A stepper driver offering silent operation and various control features. Embedded Modules Embedded modules that integrate the DRV8718 or similar drivers may not commonly be available as standalone modules directly from manufacturers. Instead, evaluation modules or development kits that include the DRV8718 can be found. These kits allow for rapid prototyping and testing of motor control applications with the DRV8718. Q&A Q1: What is the maximum voltage and current rating of the DRV8718SQRVJRQ1? A1: The DRV8718 can operate at a voltage range of up to 45V and typically supports continuous current ratings depending on thermal conditions and PCB design. Q2: How do I configure the microstepping settings on the DRV8718? A2: The microstepping settings can be configured using the MS1, MS2, and MS3 pins on the IC. You will need to connect these pins to logic high or low to select the desired resolution. Q3: Does the DRV8718SQRVJRQ1 support PWM control for motor speed regulation? A3: Yes, the DRV8718 supports PWM control for adjusting motor speed. You can modulate the PWM signal to control the motor's speed effectively. Q4: What protection features are built into the DRV8718SQRVJRQ1? A4: The DRV8718 includes several protection features such as overcurrent protection, short-circuit protection, thermal shutdown, and undervoltage lockout to safeguard the IC and connected motors. Q5: Can I use the DRV8718 to drive brushed DC motors? A5: The DRV8718 is designed specifically for stepper motors and may not be ideal for driving brushed DC motors. You should consider using a driver that is specifically designed for brushed DC motors for better performance.