ZHCSQQ0A June   2022  – October 2022 DRV8329

PRODUCTION DATA  

  1. 1 特性
  2. 2 应用
  3. 3 说明
  4. 4 Revision History
  5. 5 Device Comparison Table
  6. 6 Pin Configuration and Functions
  7. 7 Specification
    1. 7.1 Absolute Maximum Ratings
    2. 7.2 ESD Ratings Comm
    3. 7.3 Recommended Operating Conditions
    4. 7.4 Thermal Information 1pkg
    5. 7.5 Electrical Characteristics
    6. 7.6 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 Three BLDC Gate Drivers
        1. 8.3.1.1 PWM Control Modes
          1. 8.3.1.1.1 6x PWM Mode
          2. 8.3.1.1.2 3x PWM Mode
        2. 8.3.1.2 Device Hardware Interface
        3. 8.3.1.3 Gate Drive Architecture
          1. 8.3.1.3.1 Propagation Delay
          2. 8.3.1.3.2 Deadtime and Cross-Conduction Prevention
      2. 8.3.2 AVDD Linear Voltage Regulator
      3. 8.3.3 Pin Diagrams
      4. 8.3.4 Low-Side Current Sense Amplifiers
        1. 8.3.4.1 Current Sense Operation
      5. 8.3.5 Gate Driver Shutdown Sequence (DRVOFF)
      6. 8.3.6 Gate Driver Protective Circuits
        1. 8.3.6.1 PVDD Supply Undervoltage Lockout (PVDD_UV)
        2. 8.3.6.2 AVDD Power on Reset (AVDD_POR)
        3. 8.3.6.3 GVDD Undervoltage Lockout (GVDD_UV)
        4. 8.3.6.4 BST Undervoltage Lockout (BST_UV)
        5. 8.3.6.5 MOSFET VDS Overcurrent Protection (VDS_OCP)
        6. 8.3.6.6 VSENSE Overcurrent Protection (SEN_OCP)
        7. 8.3.6.7 Thermal Shutdown (OTSD)
    4. 8.4 Device Functional Modes
      1. 8.4.1 Gate Driver Functional Modes
        1. 8.4.1.1 Sleep Mode
        2. 8.4.1.2 Operating Mode
        3. 8.4.1.3 Fault Reset (nSLEEP Reset Pulse)
  9. 9 Application and Implementation
    1. 9.1 Application Information
    2. 9.2 Typical Application
      1. 9.2.1 Three Phase Brushless-DC Motor Control
        1. 9.2.1.1 Detailed Design Procedure
          1. 9.2.1.1.1  Motor Voltage
          2. 9.2.1.1.2  Bootstrap Capacitor and GVDD Capacitor Selection
          3. 9.2.1.1.3  Gate Drive Current
          4. 9.2.1.1.4  Gate Resistor Selection
          5. 9.2.1.1.5  System Considerations in High Power Designs
            1. 9.2.1.1.5.1 Capacitor Voltage Ratings
            2. 9.2.1.1.5.2 External Power Stage Components
            3. 9.2.1.1.5.3 Parallel MOSFET Configuration
          6. 9.2.1.1.6  Dead Time Resistor Selection
          7. 9.2.1.1.7  VDSLVL Selection
          8. 9.2.1.1.8  AVDD Power Losses
          9. 9.2.1.1.9  Current Sensing and Output Filtering
          10. 9.2.1.1.10 Power Dissipation and Junction Temperature Losses
      2. 9.2.2 Application Curves
  10. 10Power Supply Recommendations
    1. 10.1 Bulk Capacitance Sizing
  11. 11Layout
    1. 11.1 Layout Guidelines
    2. 11.2 Layout Example
    3. 11.3 Thermal Considerations
      1. 11.3.1 Power Dissipation
  12. 12Device and Documentation Support
    1. 12.1 Device Support
      1. 12.1.1 Device Nomenclature
    2. 12.2 Documentation Support
      1. 12.2.1 Related Documentation
    3. 12.3 Related Links
    4. 12.4 Receiving Notification of Documentation Updates
    5. 12.5 Community Resources
    6. 12.6 Trademarks
  13. 13Mechanical, Packaging, and Orderable Information
    1. 13.1 Tape and Reel Information

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

8.3.6.1 PVDD Supply Undervoltage Lockout (PVDD_UV)

If at any time the power supply voltage on the PVDD pin falls below the VPVDD_UV threshold for longer than the tPVDD_UV_DG time, the device detects a PVDD undervoltage event. After detecting the undervoltage condition, the gate driver is disabled, the charge pump is disabled, the internal digital logic is disabled, and the nFAULT pin is driven low. Normal operation starts again (the gate driver becomes operable and the nFAULT pin is released) when the PVDD pin rises above VPVDD_UV.
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