SLOSE71 April   2020  – December 2020 DRV8955

PRODUCTION DATA  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
  4. 4 Revision History
  5. 5 Pin Configuration and Functions
    1.     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
      1. 6.5.1 Typical Characteristics
  7. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagrams
    3. 7.3 Feature Description
      1. 7.3.1 Configuration Options and Bridge Control
      2. 7.3.2 Current Regulation
      3. 7.3.3 Charge Pump
      4. 7.3.4 Linear Voltage Regulators
      5. 7.3.5 Logic and Quad-Level Pin Diagrams
        1. 7.3.5.1 nFAULT Pin
      6. 7.3.6 Protection Circuits
        1. 7.3.6.1 VM Undervoltage Lockout (UVLO)
        2. 7.3.6.2 VCP Undervoltage Lockout (CPUV)
        3. 7.3.6.3 Overcurrent Protection (OCP)
        4. 7.3.6.4 Thermal Shutdown (OTSD)
        5.       Fault Condition Summary
    4. 7.4 Device Functional Modes
      1. 7.4.1 Sleep Mode (nSLEEP = 0)
      2. 7.4.2 Operating Mode (nSLEEP = 1)
      3. 7.4.3 nSLEEP Reset Pulse
      4.      Functional Modes Summary
  8. 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 Current Regulation
        2. 8.2.2.2 Power Dissipation and Thermal Calculation
        3. 8.2.2.3 Application Curves
  9. 9 Power Supply Recommendations
    1. 9.1 Bulk Capacitance Sizing
  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 Support 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

1 Features

  • Quad Half-bridge DC motor driver
    • Can drive up to four Solenoid Loads, Two DC Motors, One Stepper Motor, or Other Loads

    • Full Individual Half Bridge Control

  • Integrated current sensing and regulation
  • 4.5 V to 48 V Operating supply voltage range

  • Pin to pin compatible with -

  • Industry Standard IN/IN Digital Control Interface

  • Half-bridges can be connected in parallel to increase output current

  • Configurable Off-Time PWM Chopping
    • 7, 16, 24 or 32 μs
  • Supports 1.8 V, 3.3 V, 5.0 V logic inputs
  • Low-current sleep mode (2 µA)
  • Spread spectrum clocking for low EMI
  • Protection features
    • VM undervoltage lockout (UVLO)
    • Charge pump undervoltage (CPUV)
    • Overcurrent protection (OCP)
    • Thermal shutdown (OTSD)
    • Fault condition output (nFAULT)