ZHCSH31B August   2017  – February 2018 DRV10987

PRODUCTION DATA.  

  1. 1 特性
  2. 2 应用
  3. 3 说明
    1.     应用电路原理图
  4. 4 修订历史记录
  5. 5 说明 （续）
  6. 6 Pin Configuration and Functions
    1.     Pin 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 LDOs
      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 (OCP)
        4. 8.3.2.4 Lock
      3. 8.3.3 Motor Speed Control
      4. 8.3.4 Overvoltage Protection
      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 (RPH_CT)
        2. 8.4.1.2 BEMF Constant (Kt)
      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 (ISD)
        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
      7. 8.4.7  Current Limits
        1. 8.4.7.1 Software 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: 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 Surge 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 Configuration
        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 Readback
        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]
          1. Table 11. FaultReg Register Field Descriptions
        2. 8.5.3.2  MotorSpeed Register (address = 0x01) [reset = 0x00]
          1. Table 12. MotorSpeed Register Field Descriptions
        3. 8.5.3.3  MotorPeriod Register (address = 0x02) [reset = 0x00]
          1. Table 13. MotorPeriod Register Field Descriptions
        4. 8.5.3.4  MotorKt Register (address = 0x03) [reset = 0x00]
          1. Table 14. MotorKt Register Field Descriptions
        5. 8.5.3.5  MotorCurrent Register (address = 0x04) [reset = 0x00]
          1. Table 15. MotorCurrent Register Field Descriptions
        6. 8.5.3.6  IPDPosition–SupplyVoltage Register (address = 0x05) [reset = 0x00]
          1. Table 16. IPDPosition–SupplyVoltage Register Field Descriptions
        7. 8.5.3.7  SpeedCmd–spdCmdBuffer Register (address = 0x06) [reset = 0x00]
          1. Table 17. SpeedCmd–spdCmdBuffer Register Field Descriptions
        8. 8.5.3.8  AnalogInLvl Register (address = 0x07) [reset = 0x00]
          1. Table 18. AnalogInLvl Register Field Descriptions
        9. 8.5.3.9  DeviceID–RevisionID Register (address = 0x08) [reset = 0x00]
          1. Table 19. DeviceID–RevisionID Register Field Descriptions
        10. 8.5.3.10 Unused Registers (addresses = 0x011 Through 0x2F)
        11. 8.5.3.11 SpeedCtrl Register (address = 0x30) [reset = 0x00]
          1. Table 20. SpeedCtrl Register Field Descriptions
        12. 8.5.3.12 EEPROM Programming1 Register (address = 0x31) [reset = 0x00]
          1. Table 21. EEPROM Programming1 Register Field Descriptions
        13. 8.5.3.13 EEPROM Programming2 Register (address = 0x32) [reset = 0x00]
          1. Table 22. EEPROM Programming2 Register Field Descriptions
        14. 8.5.3.14 EEPROM Programming3 Register (address = 0x33) [reset = 0x00]
          1. Table 23. EEPROM Programming3 Register Field Descriptions
        15. 8.5.3.15 EEPROM Programming4 Register (address = 0x34) [reset = 0x00]
          1. Table 24. EEPROM Programming4 Register Field Descriptions
        16. 8.5.3.16 EEPROM Programming5 Register (address = 0xYY) [reset = 0x00]
          1. Table 25. EEPROM Programming5 Register Field Descriptions
        17. 8.5.3.17 EEPROM Programming6 Register (address = 0x36) [reset = 0x00]
          1. Table 26. EEPROM Programming6 Register Field Descriptions
        18. 8.5.3.18 Unused Registers (addresses = 0x37 Through 0x5F)
        19. 8.5.3.19 EECTRL Register (address = 0x60) [reset = 0x00]
          1. Table 27. EECTRL Register Field Descriptions
        20. 8.5.3.20 Unused Registers (addresses = 0x61 Through 0x8F)
        21. 8.5.3.21 CONFIG1 Register (address = 0x90) [reset = 0x00]
          1. Table 28. CONFIG1 Register Field Descriptions
        22. 8.5.3.22 CONFIG2 Register (address = 0x91) [reset = 0x00]
          1. Table 29. CONFIG2 Register Field Descriptions
        23. 8.5.3.23 CONFIG3 Register (address = 0x92) [reset = 0x00]
          1. Table 30. CONFIG3 Register Field Descriptions
        24. 8.5.3.24 CONFIG4 Register (address = 0x93) [reset = 0x00]
          1. Table 31. CONFIG4 Register Field Descriptions
        25. 8.5.3.25 CONFIG5 Register (address = 0x94) [reset = 0x00]
          1. Table 32. CONFIG5 Register Field Descriptions
        26. 8.5.3.26 CONFIG6 Register (address = 0x95) [reset = 0x00]
          1. Table 33. CONFIG6 Register Field Descriptions
        27. 8.5.3.27 CONFIG7 Register (address = 0x96) [reset = 0x00]
          1. Table 34. CONFIG7 Register Field Descriptions
  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. 12器件和文档支持
    1. 12.1 商标
    2. 12.2 静电放电警告
    3. 12.3 接收文档更新通知
    4. 12.4 社区资源
    5. 12.5 Glossary
  13. 13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

10 Power Supply Recommendations

The DRV10987 device is designed to operate from an input voltage supply, VCC, in a range between 8 V and 28 V. The user must place a 10-µF ceramic capacitor rated for VCC as close as possible to the VCC and GND pins.

If the power supply ripple is more than 200 mV, in addition to the local decoupling capacitors, a bulk capacitance is required and must be sized according to the application requirements. If the bulk capacitance is implemented in the application, the user can reduce the value of the local ceramic capacitor to 1 µF.
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