ZHCSHA0C January   2018  – September 2018 DRV10974

PRODUCTION DATA.  

  1. 1 特性
  2. 2 应用
  3. 3 说明
    1.     应用原理图
  4. 4 修订历史记录
  5. 5 Pin Configuration and Functions
    1.     Pin 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 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 Speed Input and Control
      2. 7.3.2 Motor Direction Change
      3. 7.3.3 Motor-Frequency Feedback (FG)
      4. 7.3.4 Lock Detection
        1. 7.3.4.1 Lock Kt Measure
        2. 7.3.4.2 Lock No Motor
        3. 7.3.4.3 Lock Open Loop Abnormal
        4. 7.3.4.4 Lock BEMF Abnormal
        5. 7.3.4.5 Lock Closed Loop Abnormal
        6. 7.3.4.6 Lock Speed Abnormal
      5. 7.3.5 Soft Current-Limit
      6. 7.3.6 Short-Circuit Current Protection
      7. 7.3.7 Overtemperature Protection
      8. 7.3.8 Undervoltage Protection
    4. 7.4 Device Functional Modes
      1. 7.4.1 Spin-Up Settings
        1. 7.4.1.1 Motor Start
        2. 7.4.1.2 Initial Speed Detect
        3. 7.4.1.3 Align
      2. 7.4.2 Open-Loop Acceleration
      3. 7.4.3 Start-Up Current Sensing
      4. 7.4.4 Closed Loop
      5. 7.4.5 Control Advance Angle
  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
      3. 8.2.3 Application Curves
  9. 9 Power Supply Recommendations
  10. 10Layout
    1. 10.1 Layout Guidelines
    2. 10.2 Layout Example
  11. 11器件和文档支持
    1. 11.1 器件支持
      1. 11.1.1 第三方产品免责声明
    2. 11.2 接收文档更新通知
    3. 11.3 社区资源
    4. 11.4 商标
    5. 11.5 静电放电警告
    6. 11.6 术语表
  12. 12机械、封装和可订购信息

封装选项

机械数据 (封装 | 引脚)
散热焊盘机械数据 (封装 | 引脚)
订购信息

4 修订历史记录

Changes from B Revision (June 2018) to C Revision

  • 将文档状态从“混合状态”更改为“生产数据”Go
  • 删除了器件信息 表的 WQFN 条目中的“高级信息”标识Go
  • Deleted the "Advance informatoin" note from the WQFN pinout drawingGo
  • Deleted the "Advance Information" note from the Thermal Information tableGo
  • Added description of Analog Mode Speed ControlGo
  • Added Kt High and Kt Low descriptions in abnormal Kt lock detect figureGo
  • Added layout example for QFN package typeGo

Changes from A Revision (April 2018) to B Revision

  • 在器件信息表中添加了 WQFN 封装Go
  • Added pinout drawing for the WQFN packageGo
  • Added a column to the Pin Functions table for the WQFN package, and added the TYPE columnGo
  • Added a column to the Thermal Information table for the VQFN packageGo
  • Changed rDS(on) vs. Temperature graph to include VCC conditionGo
  • Changed Speed-Control Transfer Function figure to clearly show when the device enters and exits low power mode Go
  • Updated Lock BEMF Abnormal text for clarityGo
  • Changed Detailed Design Procedure to cover the high level tuning process of the RMP, ADV, and CS settings.Go

Changes from * Revision (January 2018) to A Revision

  • 在特性 列表中添加或更改了多个列表项 Go
  • 更改了说明 部分第三段的内容Go
  • Added parameter symbol (fPWM_OUT) to the 25-kHz PWM signalGo
  • Added parameter symbol (fPWM_OUT) to the 25-kHz PWM signalGo
  • Added parameter symbol (DCSTEP) for the control resolutionGo
  • Added parameter symbol (DCON_MIN) for the minimum-operation duty cycleGo
  • Changed "pulse durations" to "duty cycles"Go
  • Changed PWMDC to PWMdcGo
  • Added parameter symbol (fFG_MIN) for the motor speedGo
  • Changed the number of lock-detect schemes from five to sixGo
  • Added a table note stating the required resistor toleranceGo
  • Added a new Initial Speed Detect sectionGo
  • Added a parameter symbol (tALIGN) in the Align section, and reworded the last sentence thereofGo
  • Changed the column headings of the two rightmost columns in Table 2Go
  • Added three table notes following Table 2Go
  • Changed "programmed resistor" to "selected resistor"Go
  • Added a table note stating the required resistor toleranceGo
  • Added a table note stating the required resistor toleranceGo
  • Added a ±30% tolerance to the V1P8 capacitor in Table 5Go
  • Changed content of Row 4 in Table 6 to "Motor electrical constant"Go
  • Deleted all previous content from the Detailed Design Procedure section and replaced it with a reference to the DRV10974 Tuning GuideGo
  • Changed Figure 20Go
  • Added location information for the capacitor in the Power Supply Recommendations sectionGo
  • 添加了器件支持 部分Go