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DRV8825

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45-V, 2.5-A bipolar stepper motor driver with current regulation and 1/32 microstepping  

Data sheet
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45-V, 2.5-A bipolar stepper motor driver with current regulation and 1/32 microstepping  

DRV8825

ACTIVE
Data sheet Order now

Product details

Parameters

Number of full bridges 2 Vs (Min) (V) 8.2 Vs ABS (Max) (V) 47 Full-scale current (A) 2.5 Peak output current (A) 3 RDS(ON) (HS + LS) (mOhms) 400 Sleep current (uA) 10 Control mode STEP/DIR Control interface Hardware (GPIO) Micro-stepping levels 32 Features Current Regulation Rating Catalog Operating temperature range (C) -40 to 85 open-in-new Find other Stepper motor drivers

Package | Pins | Size

HTSSOP (PWP) 28 43 mm² 9.7 x 4.4 open-in-new Find other Stepper motor drivers

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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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).

A simple STEP/DIR interface allows easy interfacing to controller circuits. Mode pins allow for configuration of the motor in full-step up to 1/32-step modes. Decay mode is configurable so that slow decay, fast decay, or mixed decay can be used. A low-power sleep mode is provided which shuts down internal circuitry to achieve very low quiescent current draw. This sleep mode can be set using a dedicated nSLEEP pin.

Internal shutdown functions are provided for overcurrent, short circuit, under voltage lockout and over temperature. Fault conditions are indicated via the nFAULT pin.

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Technical documentation

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Type Title Date
* Data sheet DRV8825 Stepper Motor Controller IC datasheet (Rev. F) Jul. 24, 2014
Application note Calculating Power Dissipation for a H-Bridge or Half Bridge Driver (Rev. A) Jul. 22, 2021
Application note Intelligent Stepper Motor Driver (Rev. B) Jan. 20, 2021
Application note Methods to Configure Current Regulation for Brushed and Stepper Motors (Rev. B) Jan. 19, 2021
Technical article Drive unipolar stepper motors as bipolar stepper motors with a simple wiring reconfiguration Apr. 09, 2020
Technical article How stepper motors improve noise and efficiency in automotive system design Nov. 19, 2019
Application note Best Practices for Board Layout of Motor Drivers (Rev. A) Jan. 22, 2019
Technical article Getting smart about tuning your stepper motor Aug. 23, 2018
Application note PowerPAD™ Thermally Enhanced Package (Rev. H) Jul. 06, 2018
User guide DRV88xx EVM GUI (Rev. C) Apr. 27, 2017
Technical article The story of motor-drive integration Jan. 09, 2017
More literature TM4C123x Stepper Motor Control Product Summary Jul. 06, 2015
Application note Applying acceleration and deceleration profiles to bipolar stepper motors Jul. 17, 2012
Application note PowerPAD™ Made Easy (Rev. B) May 12, 2004

Design & development

For additional terms or required resources, click any title below to view the detail page where available.

Hardware development

EVALUATION BOARD Download
document-generic User guide
149
Description

The DRV8825 evaluation module consists of a 2.5A, dual-H-bridge motor driver with on chip indexer (step/dir control interface) supporting up to 32 micro steps and a small number external components that can be used to drive a single bipolar stepper motor. The on-board MSP430 MCU + software/GUI (...)

Features
  • 2.5A Peak / 1.75A RMS Current Output per Bridge
  • Wide Operating Voltage: 8.2 to 45V
  • Low RDSON (400mR LS+HS)
  • On-chip indexer supports up to 32 microsteps
  • Thermal and Short Circuit Protection
  • All Critical Control and Status Signals Brought Out to Test Headers
  • Includes a MSP430F1612 MCU for Signaling and (...)
View details

Software development

SUPPORT SOFTWARE Download
SLVC342E.ZIP (13015 KB)
SUPPORT SOFTWARE Download
SLVC502A.ZIP (2398 KB)

Design tools & simulation

SCHEMATIC Download
SLVC583A.ZIP (721 KB)
SCHEMATIC Download
SLVC595.ZIP (411 KB)

Reference designs

REFERENCE DESIGNS Download
Best-in-class Combination Stereolithography 3D Printer Development Using DLP® Technology
TIDA-00293 — This DLP® 3D printer reference design employs our DLP 3D structured light software sevelopment kit (SDK) and enables you to build best-in-class resolution 3D objects. The highly-differentiated DLP technology uses stereo-lithography technique popular in high-accuracy and high-speed 3D printing (...)
document-generic Schematic document-generic User guide
REFERENCE DESIGNS Download
40-Pin Boosterpack for 3D Printer Control
TIDM-PRINTERPACK — This design is a 40-pin boosterpack which incorporates all of the necessary components for 3D printer operation. Convenient location of all I/O headers and inclusion of firmware allows developers to immediately start creating their own cost-effective 3D printers.  Although the original (...)
document-generic Schematic

CAD/CAE symbols

Package Pins Download
HTSSOP (PWP) 28 View options

Ordering & quality

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  • Ongoing reliability monitoring

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