ZHCSQT3K October   2009  – January 2022 DRV8824

PRODUCTION DATA  

  1. 1 特性
  2. 2 应用
  3. 3 说明
  4. 4 Revision History
  5. 5 Pin Configuration and Functions
  6. 6 Specifications
    1. 6.1 Absolute Maximum Ratings
    2. 6.2 ESD Ratings
    3. 6.3 Recommended Operating Conditions
    4. 6.4 Thermal Information
    5. 6.5 Electrical Characteristics
    6. 6.6 Timing Requirements
    7. 6.7 Typical Characteristics
  7. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1 PWM Motor Drivers
      2. 7.3.2 Current Regulation
      3. 7.3.3 Decay Mode
      4. 7.3.4 Blanking Time
      5. 7.3.5 Microstepping Indexer
      6. 7.3.6 nRESET, nENBL and nSLEEP Operation
      7. 7.3.7 Protection Circuits
        1. 7.3.7.1 Overcurrent Protection (OCP)
        2. 7.3.7.2 Thermal Shutdown (TSD)
        3. 7.3.7.3 Undervoltage Lockout (UVLO)
    4. 7.4 Device Functional Modes
      1. 7.4.1 STEP/DIR Interface
      2. 7.4.2 Microstepping
  8. 8 Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Application
      1. 8.2.1 Design Requirements
      2. 8.2.2 Detailed Design Procedure
        1. 8.2.2.1 Stepper Motor Speed
        2. 8.2.2.2 Current Regulation
        3. 8.2.2.3 Decay Modes
      3. 8.2.3 Application Curves
        1.       Power Supply Recommendations
          1. 9.1 Bulk Capacitance
          2. 9.2 Power Supply and Logic Sequencing
  9. 9 Layout
    1. 9.1 Layout Guidelines
    2. 9.2 Layout Example
    3. 9.3 Thermal Considerations
    4. 9.4 Power Dissipation
    5. 9.5 Heatsinking
  10. 10Device and Documentation Support
    1. 10.1 Community Resources
    2. 10.2 Trademarks
  11. 11Mechanical, Packaging, and Orderable Information

封装选项

请参考 PDF 数据表获取器件具体的封装图。

机械数据 (封装 | 引脚)
  • RHD|28
  • PWP|28
散热焊盘机械数据 (封装 | 引脚)
订购信息

4 Revision History

Changes from Revision J (July 2014) to Revision K (January 2022)

  • Updated RHD pinout Go
  • Added additional external component to connect to the VCP pin Go
  • Updated the Handling Ratings table to and ESD Ratings table and moved Tstg to the Absolute Maximum Ratings tableGo
  • Corrected device part number Go
  • Added Section 10.1 Go

Changes from Revision I (June 2014) to Revision J (July 2014)

  • 更新了首页上的图像Go
  • Update the continuous motor drive output current value in Absolute Maximum Ratings Go
  • Updated typical tDEG time Go
  • Updated text and equations in Section 8.2.2 Go
  • Updated Section 9.1 and imageGo
  • Layout Example image updated. Go

Changes from Revision H (December 2013) to Revision I (June 2014)

  • 根据全新 TI 标准更新了数据表：添加了章节并重新组织了材料Go
  • Updated pin description for AVREF and BVREF Go
  • Added power supply ramp rate to Absolute Maximum Ratings Go
  • Added minimum voltage for VIL and removed typicalGo
  • Updated parameter descriptions in Timing Requirements and tWAKE minimum and maximum Go

Changes from Revision G (August 2013) to Revision H (December 2013)

  • Changed in Electrical Characteristics table, section DECAY INPUT third rowGo