SLLSEL7B October   2014  – April 2024 DRV8848

PRODUCTION DATA  

  1.   1
  2. 1 Features
  3. 2 Applications
  4. 3 Description
  5. 4 Pin Configuration and Functions
    1.     Pin Functions
    2.     External Components
  6. 5 Specifications
    1. 5.1 Absolute Maximum Ratings
    2. 5.2 ESD Ratings Comm
    3. 5.3 Recommended Operating Conditions
    4. 5.4 Thermal Information
    5. 5.5 Electrical Characteristics
    6. 5.6 Timing Requirements
    7. 5.7 Typical Characteristics
  7. 6 Detailed Description
    1. 6.1 Overview
    2. 6.2 Functional Block Diagram
    3. 6.3 Feature Description
      1. 6.3.1 PWM Motor Drivers
      2. 6.3.2 Bridge Control
      3. 6.3.3 Parallel Operation
      4. 6.3.4 Current Regulation
      5. 6.3.5 Current Recirculation and Decay Modes
      6. 6.3.6 Protection Circuits
        1. 6.3.6.1 OCP
        2. 6.3.6.2 TSD
        3. 6.3.6.3 UVLO
    4. 6.4 Device Functional Modes
  8. 7 Application and Implementation
    1. 7.1 Application Information
    2. 7.2 Typical Application
      1. 7.2.1 Design Requirements
      2. 7.2.2 Detailed Design Procedure
        1. 7.2.2.1 Current Regulation
      3. 7.2.3 Application Curves
    3. 7.3 Power Supply Recommendations
      1. 7.3.1 Bulk Capacitance Sizing
    4. 7.4 Layout
      1. 7.4.1 Layout Guidelines
      2. 7.4.2 Layout Example
  9. 8 Device and Documentation Support
    1. 8.1 Third-Party Products Disclaimer
    2. 8.2 Receiving Notification of Documentation Updates
    3. 8.3 Support Resources
    4. 8.4 Electrostatic Discharge Caution
    5. 8.5 Glossary
    6. 8.6 Community Resources
    7. 8.7 Trademarks
  10. 9 Revision History
  11. 10Mechanical, Packaging, and Orderable Information

Package Options

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

7.2.1 Design Requirements

Table 7-1 gives design input parameters for system design.

Table 7-1 Design Parameters
DESIGN PARAMETERREFERENCEEXAMPLE VALUE
Nominal supply voltageVVM12V
Supply voltage range4 to 18V
Motor winding resistanceRL3Ω/phase
Motor winding inductanceLL330µH/phase
Target chopping currentICHOP500mA
Chopping current reference voltageVVREF3.3V