SLVSAX9G September   2011  – November 2025 DRV8818

PRODUCTION DATA  

  1.   1
  2. 1 Features
  3. 2 Applications
  4. 3 Description
  5. 4 Pin Configuration and Functions
  6. 5 Specifications
    1. 5.1 Absolute Maximum Ratings
    2. 5.2 ESD Ratings
    3. 5.3 Recommended Operating Conditions
    4. 5.4 Thermal Information
    5. 5.5 Electrical Characteristics
    6. 5.6 Timing Requirements
    7. 5.7 Motor Driver Timing Switching Characteristics
    8. 5.8 Typical Characteristics
  7. 6 Detailed Description
    1. 6.1 Overview
    2. 6.2 Functional Block Diagram
    3. 6.3 Feature Description
      1. 6.3.1 PWM H-Bridge Drivers
      2. 6.3.2 Current Regulation
      3. 6.3.3 Decay Mode
      4. 6.3.4 Microstepping Indexer
      5. 6.3.5 Protection Circuits
        1. 6.3.5.1 Overcurrent Protection (OCP)
        2. 6.3.5.2 Thermal Shutdown (TSD)
        3. 6.3.5.3 Undervoltage Lockout (UVLO)
    4. 6.4 Device Functional Modes
      1. 6.4.1 Sleep Mode
      2. 6.4.2 Disable Mode
      3. 6.4.3 Active Mode
      4. 6.4.4 Decay Modes
  8. 7 Application and Implementation
    1. 7.1 Application Information
    2. 7.2 Typical Application
      1. 7.2.1 Design Requirements
      2. 7.2.2 Detailed Design Procedure
        1. 7.2.2.1 Stepper Motor Speed
        2. 7.2.2.2 Current Regulation
      3. 7.2.3 Application Curves
    3. 7.3 Power Supply Recommendations
      1. 7.3.1 Bulk Capacitance
    4. 7.4 Layout
      1. 7.4.1 Layout Guidelines
        1. 7.4.1.1 Heatsinking
      2. 7.4.2 Layout Example
      3. 7.4.3 Thermal Considerations
        1. 7.4.3.1 Power Dissipation
  9. 8 Device and Documentation Support
    1. 8.1 Documentation Support
      1. 8.1.1 Related Documentation
    2. 8.2 Receiving Notification of Documentation Updates
    3. 8.3 Support Resources
    4. 8.4 Trademarks
    5. 8.5 Electrostatic Discharge Caution
    6. 8.6 Glossary
  10. 9 Revision History
  11. 10Mechanical, Packaging, and Orderable Information

9 Revision History

Changes from Revision F (February 2025) to Revision G (November 2025)

  • Updated the document title Go
  • Updated the Features, Applications, and Description sections to use modern terminology and formattingGo
  • Updated the Timing Diagram figure for clarityGo
  • Changed tOFF equation units for R from Ω to kΩGo
  • Changed tFD equation units for R from Ω to kΩ Go

Changes from Revision E (January 2016) to Revision F (February 2025)

  • Changed VREF minimum voltage from 0V to 0.05VGo
  • Renamed IOFF to ILEAK, updated description and limits Go
  • Changed Timing Requirements enable time and disable time descriptions. Updated hold time, reset release time, and reset time limits.Go
  • Added Sleep Mode section, Disable Mode section, and Active Mode section within Device Functional Modes sectionGo
  • Updated bulk capacitance descriptionGo

Changes from Revision D (January 2015) to Revision E (January 2016)

  • Removed nFAULT from Features Go
  • Changed the minimum value for VREF input voltage Go
  • Moved the motor driver timing to the Switching Characteristics tableGo

Changes from Revision C (November 2013) to Revision D (January 2015)

  • Added ESD Rating table, Feature Description section, Device Functional Modes, Application and Implementation section, Power Supply Recommendations section, Layout section, Device and Documentation Support section, and Mechanical, Packaging, and Orderable Information section Go

Changes from Revision B (October 2012) to Revision C (November 2013)

  • Changed Features sectionGo
  • Changed Logic-Level Inputs test conditions in the Electrical Characteristics tableGo
  • Changed Timing Requirements Go