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DRV8825 User Reference Manual Guide

Part Series:DRV8825 Series
Category:Motor Drivers
Description:2.5A Bipolar Stepper Motor Driver with On-Chip 1/32 Microstepping Indexer (Step/Dir Ctrl) 28-HTSSOP -40℃ to 85℃
Document:DRV8825PWPR User Reference Manual Guide (152 Pages)

DRV8825PWPR - TI Specifications

TYPE
DESCRIPTION
Mounting Style
Surface Mount
Number of Pins
28 Pin
Case/Package
HTSSOP-28
Number of Outputs
1 Output
Output Voltage
24 V
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DRV8825PWPR - TI Function Overview

Description
The DRV8825 provides an integrated motor driver solution for printers, scanners, and other automated equipment applications. The device has two H-bridge drivers and a microstepping indexer, and is intended to drive a bipolar stepper motor. The output driver block consists of N-channel power MOSFET’s configured as full H-bridges to drive the motor windings. The DRV8825 is capable of driving up to 2.5 A of current from each output (with proper heat sinking, at 24 V and 25°C).
Features
• PWM Microstepping Stepper Motor Driver
   – Built-In Microstepping Indexer
   – Up to 1/32 Microstepping
• Multiple Decay Modes
   – Mixed Decay
   – Slow Decay
   – Fast Decay
• 8.2-V to 45-V Operating Supply Voltage Range
• 2.5-A Maximum Drive Current at 24 V and TA = 25°C
• Simple STEP/DIR Interface
• Low Current Sleep Mode
• Built-In 3.3-V Reference Output
• Small Package and Footprint
• Protection Features
   – Overcurrent Protection (OCP)
   – Thermal Shutdown (TSD)
   – VM Undervoltage Lockout (UVLO)
   – Fault Condition Indication Pin (nFAULT)
Applications
• Automatic Teller Machines
• Money Handling Machines
• Video Security Cameras
• Printers
• Scanners
• Office Automation Machines
• Gaming Machines
• Factory Automation
• Robotics
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