ZHCSDF3D May   2014  – March 2018 DRV2605L

PRODUCTION DATA.  

  1. 1 特性
  2. 2 应用
  3. 3 说明
    1.     简化原理图
  4. 4 修订历史记录
  5. 5 Pin Configuration and Functions
    1.     Pin Functions
    2.     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 Timing Requirements
    7. 6.7 Switching Characteristics
    8. 6.8 Typical Characteristics
  7. 7 Parameter Measurement Information
    1. 7.1 Test Setup for Graphs
      1. 7.1.1 Default Test Conditions
  8. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1  Support for ERM and LRA Actuators
      2. 8.3.2  Smart-Loop Architecture
        1. 8.3.2.1 Auto-Resonance Engine for LRA
        2. 8.3.2.2 Real-Time Resonance-Frequency Reporting for LRA
        3. 8.3.2.3 Automatic Switch to Open-Loop for LRA
        4. 8.3.2.4 Automatic Overdrive and Braking
          1. 8.3.2.4.1 Startup Boost
          2. 8.3.2.4.2 Brake Factor
          3. 8.3.2.4.3 Brake Stabilizer
        5. 8.3.2.5 Automatic Level Calibration
          1. 8.3.2.5.1 Automatic Compensation for Resistive Losses
          2. 8.3.2.5.2 Automatic Back-EMF Normalization
          3. 8.3.2.5.3 Calibration Time Adjustment
          4. 8.3.2.5.4 Loop-Gain Control
          5. 8.3.2.5.5 Back-EMF Gain Control
        6. 8.3.2.6 Actuator Diagnostics
        7. 8.3.2.7 Automatic Re-Synchronization
      3. 8.3.3  Open-Loop Operation for LRA
      4. 8.3.4  Open-Loop Operation for ERM
      5. 8.3.5  Flexible Front-End Interface
        1. 8.3.5.1 PWM Interface
        2. 8.3.5.2 Internal Memory Interface
          1. 8.3.5.2.1 Waveform Sequencer
          2. 8.3.5.2.2 Library Parameterization
        3. 8.3.5.3 Real-Time Playback (RTP) Interface
        4. 8.3.5.4 Analog Input Interface
        5. 8.3.5.5 Audio-to-Vibe Interface
        6. 8.3.5.6 Input Trigger Option
          1. 8.3.5.6.1 I2C Trigger
          2. 8.3.5.6.2 Edge Trigger
          3. 8.3.5.6.3 Level Trigger
        7. 8.3.5.7 Noise Gate Control
      6. 8.3.6  Edge Rate Control
      7. 8.3.7  Constant Vibration Strength
      8. 8.3.8  Battery Voltage Reporting
      9. 8.3.9  One-Time Programmable (OTP) Memory for Configuration
      10. 8.3.10 Low-Power Standby
      11. 8.3.11 I2C Watchdog Timer
      12. 8.3.12 Device Protection
        1. 8.3.12.1 Thermal Protection
        2. 8.3.12.2 Overcurrent Protection of the Actuator
        3. 8.3.12.3 Overcurrent Protection of the Regulator
        4. 8.3.12.4 Brownout Protection
    4. 8.4 Device Functional Modes
      1. 8.4.1 Power States
        1. 8.4.1.1 Operation With VDD < 2 V (Minimum VDD)
        2. 8.4.1.2 Operation With VDD > 5.5 V (Absolute Maximum VDD)
        3. 8.4.1.3 Operation With EN Control
        4. 8.4.1.4 Operation With STANDBY Control
        5. 8.4.1.5 Operation With DEV_RESET Control
        6. 8.4.1.6 Operation in the Active State
      2. 8.4.2 Changing Modes of Operation
      3. 8.4.3 Operation of the GO Bit
      4. 8.4.4 Operation During Exceptional Conditions
        1. 8.4.4.1 Operation With No Actuator Attached
        2. 8.4.4.2 Operation With a Non-Moving Actuator Attached
        3. 8.4.4.3 Operation With a Short at REG Pin
        4. 8.4.4.4 Operation With a Short at OUT+, OUT–, or Both
    5. 8.5 Programming
      1. 8.5.1 Auto-Resonance Engine Programming for the LRA
        1. 8.5.1.1 Drive-Time Programming
        2. 8.5.1.2 Current-Dissipation Time Programming
        3. 8.5.1.3 Blanking Time Programming
        4. 8.5.1.4 Zero-Crossing Detect-Time Programming
      2. 8.5.2 Automatic-Level Calibration Programming
        1. 8.5.2.1 Rated Voltage Programming
        2. 8.5.2.2 Overdrive Voltage-Clamp Programming
      3. 8.5.3 I2C Interface
        1. 8.5.3.1 General I2C Operation
        2. 8.5.3.2 Single-Byte and Multiple-Byte Transfers
        3. 8.5.3.3 Single-Byte Write
        4. 8.5.3.4 Multiple-Byte Write and Incremental Multiple-Byte Write
        5. 8.5.3.5 Single-Byte Read
        6. 8.5.3.6 Multiple-Byte Read
      4. 8.5.4 Programming for Open-Loop Operation
        1. 8.5.4.1 Programming for ERM Open-Loop Operation
        2. 8.5.4.2 Programming for LRA Open-Loop Operation
      5. 8.5.5 Programming for Closed-Loop Operation
      6. 8.5.6 Auto Calibration Procedure
      7. 8.5.7 Programming On-Chip OTP Memory
      8. 8.5.8 Waveform Playback Programming
        1. 8.5.8.1 Data Formats for Waveform Playback
          1. 8.5.8.1.1 Open-Loop Mode
          2. 8.5.8.1.2 Closed-Loop Mode, Unidirectional
          3. 8.5.8.1.3 Closed-Loop Mode, Bidirectional
        2. 8.5.8.2 Waveform Setup and Playback
          1. 8.5.8.2.1 Waveform Playback Using RTP Mode
          2. 8.5.8.2.2 Waveform Playback Using the Analog-Input Mode
          3. 8.5.8.2.3 Waveform Playback Using PWM Mode
          4. 8.5.8.2.4 Waveform Playback Using Audio-to-Vibe Mode
          5. 8.5.8.2.5 Waveform Sequencer
          6. 8.5.8.2.6 Waveform Triggers
    6. 8.6 Register Map
      1. 8.6.1  Status (Address: 0x00)
        1. Table 4. Status Register Field Descriptions
      2. 8.6.2  Mode (Address: 0x01)
        1. Table 5. Mode Register Field Descriptions
      3. 8.6.3  Real-Time Playback Input (Address: 0x02)
        1. Table 6. Real-Time Playback Input Register Field Descriptions
      4. 8.6.4  Library Selection (Address: 0x03)
        1. Table 7. Library Selection Register Field Descriptions
      5. 8.6.5  Waveform Sequencer (Address: 0x04 to 0x0B)
        1. Table 8. Waveform Sequencer Register Field Descriptions
      6. 8.6.6  GO (Address: 0x0C)
        1. Table 9. GO Register Field Descriptions
      7. 8.6.7  Overdrive Time Offset (Address: 0x0D)
        1. Table 10. Overdrive Time Offset Register Field Descriptions
      8. 8.6.8  Sustain Time Offset, Positive (Address: 0x0E)
        1. Table 11. Sustain Time Offset, Positive Register Field Descriptions
      9. 8.6.9  Sustain Time Offset, Negative (Address: 0x0F)
        1. Table 12. Sustain Time Offset, Negative Register Field Descriptions
      10. 8.6.10 Brake Time Offset (Address: 0x10)
        1. Table 13. Brake Time Offset Register Field Descriptions
      11. 8.6.11 Audio-to-Vibe Control (Address: 0x11)
        1. Table 14. Audio-to-Vibe Control Register Field Descriptions
      12. 8.6.12 Audio-to-Vibe Minimum Input Level (Address: 0x12)
        1. Table 15. Audio-to-Vibe Minimum Input Level Register Field Descriptions
      13. 8.6.13 Audio-to-Vibe Maximum Input Level (Address: 0x13)
        1. Table 16. Audio-to-Vibe Maximum Input Level Register Field Descriptions
      14. 8.6.14 Audio-to-Vibe Minimum Output Drive (Address: 0x14)
        1. Table 17. Audio-to-Vibe Minimum Output Drive Register Field Descriptions
      15. 8.6.15 Audio-to-Vibe Maximum Output Drive (Address: 0x15)
        1. Table 18. Audio-to-Vibe Maximum Output Drive Register Field Descriptions
      16. 8.6.16 Rated Voltage (Address: 0x16)
        1. Table 19. Rated Voltage Register Field Descriptions
      17. 8.6.17 Overdrive Clamp Voltage (Address: 0x17)
        1. Table 20. Overdrive Clamp Voltage Register Field Descriptions
      18. 8.6.18 Auto-Calibration Compensation Result (Address: 0x18)
        1. Table 21. Auto-Calibration Compensation-Result Register Field Descriptions
      19. 8.6.19 Auto-Calibration Back-EMF Result (Address: 0x19)
        1. Table 22. Auto-Calibration Back-EMF Result Register Field Descriptions
      20. 8.6.20 Feedback Control (Address: 0x1A)
        1. Table 23. Feedback Control Register Field Descriptions
      21. 8.6.21 Control1 (Address: 0x1B)
        1. Table 24. Control1 Register Field Descriptions
      22. 8.6.22 Control2 (Address: 0x1C)
        1. Table 25. Control2 Register Field Descriptions
      23. 8.6.23 Control3 (Address: 0x1D)
        1. Table 26. Control3 Register Field Descriptions
      24. 8.6.24 Control4 (Address: 0x1E)
        1. Table 27. Control4 Register Field Descriptions
      25. 8.6.25 Control5 (Address: 0x1F)
        1. Table 28. Control5 Register Field Descriptions
      26. 8.6.26 LRA Open Loop Period (Address: 0x20)
        1. Table 29. LRA Open Loop Period Register Field Descriptions
      27. 8.6.27 V(BAT) Voltage Monitor (Address: 0x21)
        1. Table 30. V(BAT) Voltage-Monitor Register Field Descriptions
      28. 8.6.28 LRA Resonance Period (Address: 0x22)
        1. Table 31. LRA Resonance-Period 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
        1. 9.2.2.1 Actuator Selection
          1. 9.2.2.1.1 Eccentric Rotating-Mass Motors (ERM)
          2. 9.2.2.1.2 Linear Resonance Actuators (LRA)
            1. 9.2.2.1.2.1 Auto-Resonance Engine for LRA
        2. 9.2.2.2 Capacitor Selection
        3. 9.2.2.3 Interface Selection
        4. 9.2.2.4 Power Supply Selection
      3. 9.2.3 Application Curves
    3. 9.3 Initialization Setup
      1. 9.3.1 Initialization Procedure
      2. 9.3.2 Typical Usage Examples
        1. 9.3.2.1 Play a Waveform or Waveform Sequence from the ROM Waveform Memory
        2. 9.3.2.2 Play a Real-Time Playback (RTP) Waveform
        3. 9.3.2.3 Play a PWM or Analog Input Waveform
  10. 10Power Supply Recommendations
  11. 11Layout
    1. 11.1 Layout Guidelines
      1. 11.1.1 Trace Width
    2. 11.2 Layout Example
  12. 12器件和文档支持
    1. 12.1 器件支持
      1. 12.1.1 法律声明
      2. 12.1.2 波形库效果列表
    2. 12.2 文档支持
      1. 12.2.1 相关文档
    3. 12.3 接收文档更新通知
    4. 12.4 社区资源
    5. 12.5 商标
    6. 12.6 静电放电警告
    7. 12.7 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

8.3.5.1 PWM Interface

When the DRV2605L device is in PWM interface mode, the device accepts PWM data at the IN/TRIG pin. The DRV2605L device drives the actuator continuously in PWM interface mode until the user sets the device to standby mode or to enter another interface mode. In standby mode, the strength of vibration is determined by the duty cycle.

For the LRA, the DRV2605L device automatically tracks the resonance frequency unless the LRA_OPEN_LOOP bit in register 0x1D is set. If the LRA_OPEN_LOOP bit is set, the LRA is driven according to the frequency of the PWM input signal. Specifically, the driving frequency is the PWM frequency divided by 128.

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