ZHCSP55A October   2019  – October 2021 DRV10982-Q1

PRODUCTION DATA  

  1. 1 特性
  2. 2 应用
  3. 3 说明
  4. 4 Revision History
  5. 5 说明（续）
  6. 6 Pin Configuration and Functions
  7. 7 Specifications
    1. 7.1 Absolute Maximum Ratings
    2. 7.2 ESD Ratings
    3. 7.3 Recommended Operating Conditions
    4. 7.4 Thermal Information
    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 Regulators
        1. 8.3.1.1 Step-Down Regulator
        2. 8.3.1.2 3.3-V and 1.8-V LDO
      2. 8.3.2 Protection Circuits
        1. 8.3.2.1 Thermal Shutdown
        2. 8.3.2.2 Undervoltage Lockout (UVLO)
        3. 8.3.2.3 Overcurrent Protection
        4. 8.3.2.4 Lock
      3. 8.3.3 Motor Speed Control
      4. 8.3.4 Load Dump Handling
      5. 8.3.5 Sleep or Standby Condition
        1. 8.3.5.1 Required Sequence to Enter Sleep Mode
          1. 8.3.5.1.1 Option 1
          2. 8.3.5.1.2 Option 2
      6. 8.3.6 EEPROM Access
    4. 8.4 Device Functional Modes
      1. 8.4.1  Motor Parameters
        1. 8.4.1.1 Motor Phase Resistance
        2. 8.4.1.2 BEMF Constant
      2. 8.4.2  Starting the Motor Under Different Initial Conditions
        1. 8.4.2.1 Case 1 – Motor is Stationary
        2. 8.4.2.2 Case 2 – Motor is Spinning in the Forward Direction
        3. 8.4.2.3 Case 3 – Motor is Spinning in the Reverse Direction
      3. 8.4.3  Motor Start Sequence
        1. 8.4.3.1 Initial Speed Detect
        2. 8.4.3.2 Motor Resynchronization
        3. 8.4.3.3 Reverse Drive
        4. 8.4.3.4 Motor Brake
        5. 8.4.3.5 Motor Initialization
          1. 8.4.3.5.1 Align
          2. 8.4.3.5.2 Initial Position Detect (IPD)
            1. 8.4.3.5.2.1 IPD Operation
            2. 8.4.3.5.2.2 IPD Release Mode
            3. 8.4.3.5.2.3 IPD Advance Angle
          3. 8.4.3.5.3 Motor Start
        6. 8.4.3.6 Start-Up Timing
      4. 8.4.4  Align Current
      5. 8.4.5  Start-Up Current Setting
        1. 8.4.5.1 Start-Up Current Ramp-Up
      6. 8.4.6  Closed Loop
        1. 8.4.6.1 Half-Cycle Control and Full-Cycle Control
        2. 8.4.6.2 Analog-Mode Speed Control
        3. 8.4.6.3 Digital PWM-Input-Mode Speed Control
        4. 8.4.6.4 I2C-Mode Speed Control
        5. 8.4.6.5 Closed-Loop Accelerate
        6. 8.4.6.6 Control Coefficient
        7. 8.4.6.7 Commutation Control Advance Angle
      7. 8.4.7  Current Limit
        1. 8.4.7.1 Acceleration Current Limit
      8. 8.4.8  Lock Detect and Fault Handling
        1. 8.4.8.1 Lock0: Lock-Detection Current Limit Triggered
        2. 8.4.8.2 Lock1: Abnormal Speed
        3. 8.4.8.3 Lock2: Abnormal Kt
        4. 8.4.8.4 Lock3 (Fault3): No-Motor Fault
        5. 8.4.8.5 Lock4: Open-Loop Motor-Stuck Lock
        6. 8.4.8.6 Lock5: Closed Loop Motor Stuck Lock
      9. 8.4.9  Anti Voltage Suppression Function
        1. 8.4.9.1 Mechanical AVS Function
        2. 8.4.9.2 Inductive AVS Function
      10. 8.4.10 PWM Output
      11. 8.4.11 FG Customized Configuration
        1. 8.4.11.1 FG Output Frequency
        2. 8.4.11.2 FG Open Loop and Lock Behavior
      12. 8.4.12 Diagnostics and Visibility
        1. 8.4.12.1 Motor-Status Readback
        2. 8.4.12.2 Motor-Speed Readback
        3. 8.4.12.3 Motor Electrical-Period Readback
        4. 8.4.12.4 BEMF Constant Read Back
        5. 8.4.12.5 Motor Estimated Position by IPD
        6. 8.4.12.6 Supply-Voltage Readback
        7. 8.4.12.7 Speed-Command Readback
        8. 8.4.12.8 Speed-Command Buffer Readback
        9. 8.4.12.9 Fault Diagnostics
    5. 8.5 Register Maps
      1. 8.5.1 I2C Serial Interface
      2. 8.5.2 Register Map
      3. 8.5.3 Register Descriptions
        1. 8.5.3.1  FaultReg Register (address = 0x00) [reset = 0x00]
        2. 8.5.3.2  MotorSpeed Register (address = 0x01) [reset = 0x00]
        3. 8.5.3.3  MotorPeriod Register (address = 0x02) [reset = 0x00]
        4. 8.5.3.4  MotorKt Register (address = 0x03) [reset = 0x00]
        5. 8.5.3.5  MotorCurrent Register (address = 0x04) [reset = 0x00]
        6. 8.5.3.6  IPDPosition–SupplyVoltage Register (address = 0x05) [reset = 0x00]
        7. 8.5.3.7  SpeedCmd–spdCmdBuffer Register (address = 0x06) [reset = 0x00]
        8. 8.5.3.8  AnalogInLvl Register (address = 0x07) [reset = 0x00]
        9. 8.5.3.9  DeviceID–RevisionID Register (address = 0x08) [reset = 0x00]
        10. 8.5.3.10 DeviceID–RevisionID Register (address = 0x08) [reset = 0x00]
        11. 8.5.3.11 Unused Registers (addresses = 0x011 Through 0x2F)
        12. 8.5.3.12 SpeedCtrl Register (address = 0x30) [reset = 0x00]
        13. 8.5.3.13 EEPROM Programming1 Register (address = 0x31) [reset = 0x00]
        14. 8.5.3.14 EEPROM Programming2 Register (address = 0x32) [reset = 0x00]
        15. 8.5.3.15 EEPROM Programming3 Register (address = 0x33) [reset = 0x00]
        16. 8.5.3.16 EEPROM Programming4 Register (address = 0x34) [reset = 0x00]
        17. 8.5.3.17 EEPROM Programming5 Register (address = 0x35) [reset = 0x00]
        18. 8.5.3.18 EEPROM Programming6 Register (address = 0x36) [reset = 0x00]
        19. 8.5.3.19 Unused Registers (addresses = 0x37 Through 0x5F)
        20. 8.5.3.20 EECTRL Register (address = 0x60) [reset = 0x00]
        21. 8.5.3.21 Unused Registers (addresses = 0x61 Through 0x8F)
        22. 8.5.3.22 CONFIG1 Register (address = 0x90) [reset = 0x00]
        23. 8.5.3.23 CONFIG2 Register (address = 0x91) [reset = 0x00]
        24. 8.5.3.24 CONFIG3 Register (address = 0x92) [reset = 0x00]
        25. 8.5.3.25 CONFIG4 Register (address = 0x93) [reset = 0x00]
        26. 8.5.3.26 CONFIG5 Register (address = 0x94) [reset = 0x00]
        27. 8.5.3.27 CONFIG6 Register (address = 0x95) [reset = 0x00]
        28. 8.5.3.28 CONFIG7 Register (address = 0x96) [reset = 0x00]
  9. 9 Application and Implementation
    1. 9.1 Application Information
    2. 9.2 Typical Application
      1. 9.2.1 Design Requirements
      2. 9.2.2 Detailed Design Procedure
      3. 9.2.3 Application Curves
  10. 10Power Supply Recommendations
  11. 11Layout
    1. 11.1 Layout Guidelines
    2. 11.2 Layout Example
  12. 12Device and Documentation Support
    1. 12.1 Trademarks
    2. 12.2 Receiving Notification of Documentation Updates
    3. 12.3 Community Resources
  13. 13Mechanical, Packaging, and Orderable Information
    1. 13.1 Package Option Addendum
      1. 13.1.1 Packaging Information
      2. 13.1.2 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

8.4.5.1 Start-Up Current Ramp-Up

A fast change in the applied drive current may result in a sudden change in the driving torque. In some applications, this could result in acoustic noise. To avoid this, the DRV10982-Q1 device allows the option of limiting the rate at which the current is applied to the motor. OpLCurrRt[2:0] sets the maximum voltage ramp-up rate that is applied to the motor. The waveforms in Figure 8-20 show how this feature can be used to gradually ramp the current applied to the motor.

GUID-92E65FF8-5A08-4E1F-9BAB-51AE106DEB57-low.gif
GUID-EF847391-C3E9-4215-9F0D-4D2D216CBEA7-low.gif
Start driving with fast current rampStart driving with slow current ramp
Figure 8-20 Motor Start-Up Current Ramp
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