Texas Instruments

DRV8847PWPR

The DRV8847PWPR is a highly integrated stepper motor driver from Texas Instruments. It is designed to drive bipolar stepper motors with a current rating of up to 2.5A per phase without the need for external MOSFETs or current sensors.

Description:

The DRV8847PWPR is a single chip solution that integrates a microstep control, a constant current control, and a thermal protection feature. It uses a proprietary current control architecture that provides precise current regulation and minimizes motor noise. The device operates from a supply voltage range of 8V to 45V and is available in a compact 38-pin QFN package.

Features:

• Integrated bipolar stepper motor driver with microstep control
• Constant current control with a range of 0.5A to 2.5A per phase
• Sixteen microstep resolutions up to 1/256th
• High resolution current control with 16 current settings
• Thermal protection with over-temperature shutdown and thermal warning
• Low standby current of 3mA without driver and 5mA with driver
• Wide operating supply voltage range of 8V to 45V
• Compact 38-pin QFN package

Applications:

The DRV8847PWPR is suitable for a wide range of applications that require precise control of stepper motors, including:

• 3D printers
• CNC machines
• Robotics
• Industrial automation equipment
• Medical equipment
• Office automation equipment
• Security systems

In summary, the DRV8847PWPR is a highly integrated stepper motor driver that offers precise current control, microstep resolution, and thermal protection in a compact package. It is suitable for a wide range of applications that require precise control of stepper motors.