TEXAS INSTRUMENTS DRV8825PWP Stepper Motor Driver IC, 2.5A, 8.2-45V, HTSSOP-28

The TEXAS INSTRUMENTS DRV8825PWP is a sophisticated, high-performance stepper motor driver integrated circuit, engineered for precise motion control. This dual H-bridge driver is designed to efficiently drive bipolar stepper motors, making it a cornerstone component in automation and robotics projects. It features an on-chip microstepping indexer capable of delivering smooth operation from full-step up to 1/32 step modes, significantly reducing motor noise and vibration for superior positional accuracy.

A simple STEP/DIR interface allows for straightforward connection to microcontroller units (MCUs) or other controller circuits, simplifying system design. The driver offers configurable decay modes—including slow, fast, or mixed decay—enabling fine-tuning of motor performance and efficiency for specific applications. To conserve power in idle states, a low-power sleep mode dramatically reduces quiescent current draw.

Key Features & Protections

• Wide Operating Range: Functions reliably with a supply voltage from 8.2V to 45V.
• High Drive Current: Supports a maximum output current of 2.5A at 24V, providing robust power for a wide range of stepper motors.
• Integrated Reference: Includes a built-in 3.3V reference output for convenience.
• Advanced Protection: Comprehensive internal shutdown functions safeguard against overcurrent, short circuits, undervoltage lockout (UVLO), and overtemperature conditions, enhancing system reliability.
• PWM Control: Features internal current control with a Pulse Width Modulation (PWM) frequency of 30kHz.

With an extended operating temperature range of -40°C to 85°C, this driver is suitable for use in demanding industrial and commercial environments. Its compact HTSSOP-28 package is designed for space-constrained applications while maintaining excellent thermal performance.

Important Handling Note: This device has built‑