SLVSAW5D July   2011  – December 2024 DRV8803

PRODUCTION DATA  

  1.   1
  2. 1 Features
  3. 2 Applications
  4. 3 Description
  5. 4 Device Comparison
  6. 5 Pin Configuration and Functions
    1.     Pin Functions
  7. 6 Specification
    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 Typical Characteristics
  8. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1 Output Drivers
      2. 7.3.2 Protection Circuits
        1. 7.3.2.1 Overcurrent Protection (OCP)
        2. 7.3.2.2 Thermal Shutdown (TSD)
        3. 7.3.2.3 Undervoltage Lockout (UVLO)
    4. 7.4 Device Functional Modes
      1. 7.4.1 Parallel Interface Operation
      2. 7.4.2 nENBL and RESET Operation
  9. 8 Application and Implementation
    1. 8.1 Application Information
      1. 8.1.1 Application as Load driver
        1. 8.1.1.1 Design Requirements
        2. 8.1.1.2 Detailed Design Procedure
          1. 8.1.1.2.1 Supply Voltage
          2. 8.1.1.2.2 Load Current
            1. 8.1.1.2.2.1 Peak Current
            2. 8.1.1.2.2.2 Hold Current
            3. 8.1.1.2.2.3 Frequency
        3. 8.1.1.3 Application Curves
      2. 8.1.2 Application as Unipolar Stepper Driver
        1. 8.1.2.1 Design Requirements
        2. 8.1.2.2 Detailed Design Procedure
          1. 8.1.2.2.1 Motor Voltage
          2. 8.1.2.2.2 Drive Current
        3. 8.1.2.3 Application Curves
    2.     Power Supply Recommendations
      1. 8.2.1 Bulk Capacitance
    3. 8.2 Layout
      1. 8.2.1 Layout Guidelines
      2. 8.2.2 Layout Example
      3. 8.2.3 Thermal Consideration
        1. 8.2.3.1 Thermal Protection
        2. 8.2.3.2 Power Dissipation
        3. 8.2.3.3 Heatsinking
  10. 9 Device and Documentation Support
    1. 9.1 Documentation Support
      1. 9.1.1 Related Documentation
    2. 9.2 Community Resources
    3. 9.3 Trademarks
  11. 10Revision History
  12. 11Mechanical, Packaging, and Orderable Information

Package Options

Mechanical Data (Package|Pins)
Thermal pad, mechanical data (Package|Pins)
Orderable Information

8.1.2.1 Design Requirements

Following Table lists the Design parameters for this design example

Table 8-2 Design Parameters

DESIGN PARAMETER

REFERENCE

EXAMPLE VALUE

Supply Voltage

VM

24V

Motor Winding Resistance

RL

7.4Ω / phase

Motor Full step Angle

θSTEP

1.8° /step

Motor Rated Current

IRATED

0.75A

PWM frequency

fPWM

31.25kHz