SLOSE51A June   2020  – December 2020 DRV8428E

ADVANCE INFORMATION  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
  4. 4 Revision History
  5. 5 Pin Configuration and Functions
    1. 5.1 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 PWM Motor Drivers
      2. 7.3.2 Bridge Control
      3. 7.3.3 Current Regulation, Off-time and Decay Modes
        1. 7.3.3.1 Mixed Decay
        2. 7.3.3.2 Smart tune Dynamic Decay
        3. 7.3.3.3 Smart tune Ripple Control
        4. 7.3.3.4 Blanking time
      4. 7.3.4 Linear Voltage Regulators
      5. 7.3.5 Logic and Seven-Level Pin Diagrams
      6. 7.3.6 Protection Circuits
        1. 7.3.6.1 VM Undervoltage Lockout (UVLO)
        2. 7.3.6.2 Overcurrent Protection (OCP)
        3. 7.3.6.3 Thermal Shutdown (OTSD)
        4. 7.3.6.4 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 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
          1. 8.2.2.2.1 Application Curves
    3. 8.3 Alternate Application
      1. 8.3.1 Design Requirements
      2. 8.3.2 Detailed Design Procedure
        1. 8.3.2.1 Current Regulation
          1. 8.3.2.1.1 Stepper Motor Speed
            1. 8.3.2.1.1.1 Decay Modes
  9. 9 Power Supply Recommendations
    1. 9.1 Bulk Capacitance
  10. 10Layout
    1. 10.1 Layout Guidelines
      1. 10.1.1 Layout Example
  11. 11Device and Documentation Support
    1. 11.1 Related Links
    2. 11.2 Receiving Notification of Documentation Updates
    3. 11.3 Community Resources
    4. 11.4 Trademarks
  12. 12Mechanical, Packaging, and Orderable Information

Package Options

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

6.1 Absolute Maximum Ratings

over operating free-air temperature range referenced with respect to GND (unless otherwise noted) (1)
MINMAXUNIT
Power supply voltage (VM)–0.335V
nSLEEP pin voltage (nSLEEP)–0.3VVMV
Internal regulator voltage (DVDD)–0.35.75V
Control pin voltage (APH, AEN, BPH, BEN, AIN1, AIN2, BIN1, BIN2, DECAY/TOFF)–0.35.75V
Reference input pin voltage (VREFA, VREFB)–0.35.75V
Continuous phase node pin voltage (AOUT1, AOUT2, BOUT1, BOUT2)–1VVM + 1V
Transient 100 ns phase node pin voltage (AOUT1, AOUT2, BOUT1, BOUT2)–3VVM + 3V
Peak drive current (AOUT1, AOUT2, BOUT1, BOUT2)Internally LimitedA
Operating ambient temperature, TA–40125°C
Operating junction temperature, TJ–40150°C
Storage temperature, Tstg–65150°C
(1) Stresses beyond those listed under Absolute Maximum Ratings may cause permanent damage to the device. These are stress ratings only, which do not imply functional operation of the device at these or any other conditions beyond those indicated under Recommended Operating Conditions. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.