SLVSEE8 November   2019 DRV8899-Q1

ADVANCE INFORMATION for pre-production products; subject to change without notice.  

  1. Features
  2. Applications
  3. Description
  4. Revision History
  5. Pin Configuration and Functions
    1.     Pin Functions
  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 SPI Timing Requirements
    7. 6.7 Indexer Timing Requirements
  7. Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1  Stepper Motor Driver Current Ratings
        1. 7.3.1.1 Peak Current Rating
        2. 7.3.1.2 rms Current Rating
        3. 7.3.1.3 Full-Scale Current Rating
      2. 7.3.2  PWM Motor Drivers
      3. 7.3.3  Microstepping Indexer
      4. 7.3.4  Controlling VREF with an MCU DAC
      5. 7.3.5  Current Regulation
      6. 7.3.6  Decay Modes
        1. 7.3.6.1 Slow Decay for Increasing and Decreasing Current
        2. 7.3.6.2 Slow Decay for Increasing Current, Mixed Decay for Decreasing Current
        3. 7.3.6.3 Mode 4: Slow Decay for Increasing Current, Fast Decay for Decreasing current
        4. 7.3.6.4 Mixed Decay for Increasing and Decreasing Current
        5. 7.3.6.5 Smart tune Dynamic Decay
        6. 7.3.6.6 Smart tune Ripple Control
      7. 7.3.7  Blanking Time
      8. 7.3.8  Charge Pump
      9. 7.3.9  Linear Voltage Regulators
      10. 7.3.10 Logic Level Pin Diagrams
        1. 7.3.10.1 nFAULT Pin
      11. 7.3.11 Protection Circuits
        1. 7.3.11.1 VM Undervoltage Lockout (UVLO)
        2. 7.3.11.2 VCP Undervoltage Lockout (CPUV)
        3. 7.3.11.3 Overcurrent Protection (OCP)
          1. 7.3.11.3.1 Latched Shutdown (OCP_MODE = 0b)
          2. 7.3.11.3.2 Automatic Retry (OCP_MODE = 1b)
        4. 7.3.11.4 Open-Load Detection (OL)
        5. 7.3.11.5 Thermal Shutdown (OTSD)
          1. 7.3.11.5.1 Latched Shutdown (OTSD_MODE = 0b)
          2. 7.3.11.5.2 Automatic Recovery (OTSD_MODE = 1b)
        6. 7.3.11.6 Overtemperature Warning (OTW)
        7. 7.3.11.7 Undertemperature Warning (UTW)
    4. 7.4 Device Functional Modes
      1. 7.4.1 Sleep Mode (nSLEEP = 0)
      2. 7.4.2 Disable Mode (nSLEEP = 1, DRVOFF = 1)
      3. 7.4.3 Operating Mode (nSLEEP = 1, DRVOFF = 0)
      4. 7.4.4 nSLEEP Reset Pulse
    5. 7.5 Programming
      1. 7.5.1 Serial Peripheral Interface (SPI) Communication
        1. 7.5.1.1 SPI Format
        2. 7.5.1.2 SPI for a Single Slave Device
        3. 7.5.1.3 SPI for Multiple Slave Devices in Parallel Configuration
        4. 7.5.1.4 SPI for Multiple Slave Devices in Daisy Chain Configuration
    6. 7.6 Register Maps
      1. 7.6.1 Status Registers
        1. 7.6.1.1 FAULT Status Register Name (address = 0x00)
          1. Table 16. FAULT Status Register Field Descriptions
        2. 7.6.1.2 DIAG Status 1 (address = 0x01)
          1. Table 17. DIAG Status 1 Register Field Descriptions
        3. 7.6.1.3 DIAG Status 2 (address = 0x02)
          1. Table 18. DIAG Status 2 Register Field Descriptions
      2. 7.6.2 Control Registers
        1. 7.6.2.1 CTRL1 Control Register (address = 0x03)
          1. Table 20. CTRL1 Control Register Field Descriptions
        2. 7.6.2.2 CTRL2 Control Register (address = 0x04)
          1. Table 21. CTRL2 Control Register Field Descriptions
        3. 7.6.2.3 CTRL3 Control Register (address = 0x05)
          1. Table 22. CTRL3 Control Register Field Descriptions
        4. 7.6.2.4 CTRL4 Control Register (address = 0x06)
          1. Table 23. CTRL4 Control Register Field Descriptions
        5. 7.6.2.5 CTRL5 Control Register (address = 0x07)
          1. Table 24. CTRL5 Control Register Field Descriptions
        6. 7.6.2.6 CTRL6 Control Register (address = 0x08)
          1. Table 25. CTRL6 Control Register Field Descriptions
        7. 7.6.2.7 CTRL7 Control Register (address = 0x09)
          1. Table 26. CTRL7 Control Register Field Descriptions
  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
        1. 8.2.2.1 Stepper Motor Speed
        2. 8.2.2.2 Current Regulation
        3. 8.2.2.3 Decay Modes
  9. Power Supply Recommendations
    1. 9.1 Bulk Capacitance
  10. 10Layout
    1. 10.1 Layout Guidelines
    2. 10.2 Layout Example
  11. 11Device and Documentation Support
    1. 11.1 Documentation Support
      1. 11.1.1 Related Documentation
    2. 11.2 Receiving Notification of Documentation Updates
    3. 11.3 Community 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

Features

  • Qualified for Automotive Applications
  • AEC-Q100 Qualified With the Following Results:
    • Device Temperature Grade 1: -40°C to 125°C Ambient Operating Temperature Range
    • Device HBM ESD Classification Level 3A
    • Device CDM ESD Classification Level C4B
  • PWM microstepping stepper motor driver
    • Up to 1/256 microstepping
  • Integrated current sense functionality
    • No sense resistors required
  • Smart tune decay technology,
    Fixed slow, and mixed decay options
  • 4.5 to 45-V Operating supply voltage range
  • Low RDS(ON): 1200 mΩ HS + LS at 13.5 V, 25°C
  • High current capacity per bridge
    • 1.7-A peak, 1-A full-scale, 0.7-A rms
  • Configurable off-time PWM chopping
    • 7-μs, 16-μs, 24-μs, or 32-μs.
  • Simple STEP/DIR interface
  • SPI with daisy chain support
  • Low-current sleep mode (2 μA)
  • Spread spectrum clocking and output slew rate control minimizes EMI
  • Small package and footprint
    • Protection features
      • VM undervoltage lockout (UVLO)
      • Charge pump undervoltage (CPUV)
      • Overcurrent protection (OCP)
      • Open load detection
      • Overtemperature warning (OTW)
      • Undertemperature warning (UTW)
      • Thermal shutdown (OTSD)
      • Fault condition indication pin (nFAULT)