SLVSA73F April   2010  – July 2014 DRV8825

PRODUCTION DATA.  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
  4. 4 Simplified Schematic
  5. 5 Revision History
  6. 6 Pin Configuration and Functions
  7. 7 Specifications
    1. 7.1 Absolute Maximum Ratings
    2. 7.2 Handling Ratings
    3. 7.3 Recommended Operating Conditions
    4. 7.4 Thermal Information
    5. 7.5 Electrical Characteristics
    6. 7.6 Timing Requirements
    7. 7.7 Typical Characteristics
  8. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1 PWM Motor Drivers
      2. 8.3.2 Current Regulation
      3. 8.3.3 Decay Mode
      4. 8.3.4 Blanking Time
      5. 8.3.5 Microstepping Indexer
      6. 8.3.6 nRESET, nENBL, and nSLEEP Operation
      7. 8.3.7 Protection Circuits
        1. 8.3.7.1 Overcurrent Protection (OCP)
        2. 8.3.7.2 Thermal Shutdown (TSD)
        3. 8.3.7.3 Undervoltage Lockout (UVLO)
    4. 8.4 Device Functional Modes
      1. 8.4.1 STEP/DIR Interface
      2. 8.4.2 Microstepping
  9. 9 Application and Implementation
    1. 9.1 Application Information
    2. 9.2 Typical Application
      1. 9.2.1 Design Requirements
      2. 9.2.2 Detailed Design Procedure
        1. 9.2.2.1 Stepper Motor Speed
        2. 9.2.2.2 Current Regulation
        3. 9.2.2.3 Decay Modes
      3. 9.2.3 Application Curves
  10. 10Power Supply Recommendations
    1. 10.1 Bulk Capacitance
    2. 10.2 Power Supply and Logic Sequencing
  11. 11Layout
    1. 11.1 Layout Guidelines
    2. 11.2 Layout Example
    3. 11.3 Thermal Protection
      1. 11.3.1 Power Dissipation
      2. 11.3.2 Heatsinking
  12. 12Device and Documentation Support
    1. 12.1 Trademarks
    2. 12.2 Electrostatic Discharge Caution
    3. 12.3 Glossary
  13. 13Mechanical, Packaging, and Orderable Information

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订购信息

5 Revision History

Changes from E Revision (August 2013) to F Revision

  • Added new sections and reordered data sheet to fit new TI flowGo
  • Updated pin descriptions Go
  • Added power supply ramp rate and updated ISENSEx pin voltage in Absolute Maximum RatingsGo
  • Updated VIL voltage minimum and typical in Electrical CharacteristicsGo
  • Updated IIN and tDEG in Electrical Characteristics Go