SLVSDN2E January   2018  – March 2021 DRV10974

PRODUCTION DATA  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
  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 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. 11Device and Documentation Support
    1. 11.1 Device Support
    2. 11.2 Receiving Notification of Documentation Updates
    3. 11.3 Support Resources
    4. 11.4 Trademarks
    5. 11.5 Electrostatic Discharge Caution
    6. 11.6 Glossary
  12. 12Mechanical, Packaging, and Orderable Information

Package Options

Mechanical Data (Package|Pins)
Thermal pad, mechanical data (Package|Pins)
Orderable Information

4 Revision History

Changes from Revision D (June 2020) to Revision E (March 2021)

  • Updated Human-body model (HBM)Go

Changes from Revision B (June 2018) to Revision C (September 2018)

  • Changed document status from MIXED STATUS to PRODUCTION DATAGo
  • Deleted "Adv. info." designation from the WQFN entry in the Device Information tableGo
  • 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 Revision A (April 2018) to Revision B (June 2018)

  • Added WQFN package to the Device Information tableGo
  • 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 Revision A (April 2018)

  • Added or changed several bullets in the Section 1 list Go
  • Changed text in the third paragraph of the Section 3 sectionGo
  • 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 PWMdc Go
  • 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 Section 7.4.1.2 sectionGo
  • Added a parameter symbol (tALIGN) in the Section 7.4.1.3 section, and reworded the last sentence thereofGo
  • Changed the column headings of the two rightmost columns in Table 7-2 Go
  • Added three table notes following Table 7-2 Go
  • 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 8-1 Go
  • Changed content of Row 4 in Table 8-2 to "Motor electrical constant"Go
  • Deleted all previous content from the Section 8.2.2 section and replaced it with a reference to the DRV10974 Tuning Guide Go
  • Changed Figure 8-3 Go
  • Added location information for the capacitor in the Section 9 sectionGo