SLVSDR9E October   2016  – January 2021 DRV8702-Q1 , DRV8703-Q1

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
    6. 6.6 SPI Timing Requirements
    7. 6.7 Switching Characteristics
    8.     15
    9. 6.8 Typical Characteristics
  7. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1  Bridge Control
        1. 7.3.1.1 Logic Tables
      2. 7.3.2  MODE Pin
      3. 7.3.3  nFAULT Pin
      4. 7.3.4  Current Regulation
      5. 7.3.5  Amplifier Output (SO)
        1. 7.3.5.1 SO Sample and Hold Operation
      6. 7.3.6  PWM Motor Gate Drivers
        1. 7.3.6.1 Miller Charge (QGD)
      7. 7.3.7  IDRIVE Pin (DRV8702-Q1 Only)
      8. 7.3.8  Dead Time
      9. 7.3.9  Propagation Delay
      10. 7.3.10 Overcurrent VDS Monitor
      11. 7.3.11 VDS Pin (DRV8702-Q1 Only)
      12. 7.3.12 Charge Pump
      13. 7.3.13 Gate Drive Clamp
      14. 7.3.14 Protection Circuits
        1. 7.3.14.1 VM Undervoltage Lockout (UVLO2)
        2. 7.3.14.2 Logic Undervoltage (UVLO1)
        3. 7.3.14.3 VCP Undervoltage Lockout (CPUV)
        4. 7.3.14.4 Overcurrent Protection (OCP)
        5. 7.3.14.5 Gate Driver Fault (GDF)
        6. 7.3.14.6 Thermal Shutdown (TSD)
        7. 7.3.14.7 Watchdog Fault (WDFLT, DRV8703-Q1 Only)
        8. 7.3.14.8 Reverse Supply Protection
      15. 7.3.15 Hardware Interface
        1. 7.3.15.1 IDRIVE (6-level input)
        2. 7.3.15.2 VDS (6-Level Input)
    4. 7.4 Device Functional Modes
    5. 7.5 Programming
      1. 7.5.1 SPI Communication
        1. 7.5.1.1 Serial Peripheral Interface (SPI)
        2. 7.5.1.2 SPI Format
    6. 7.6 Register Maps
  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 External FET Selection
        2. 8.2.2.2 IDRIVE Configuration
        3. 8.2.2.3 VDS Configuration
        4. 8.2.2.4 Current Chopping Configuration
      3. 8.2.3 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 Related Links
    3. 11.3 Receiving Notification of Documentation Updates
    4. 11.4 Support Resources
    5. 11.5 Trademarks
    6. 11.6 Electrostatic Discharge Caution
    7. 11.7 Glossary
  12. 12Mechanical, Packaging, and Orderable Information

Package Options

Refer to the PDF data sheet for device specific package drawings

Mechanical Data (Package|Pins)
  • RHB|32
Thermal pad, mechanical data (Package|Pins)
Orderable Information

7.3.1.1 Logic Tables

Table 7-3, Table 7-4, and Table 7-5 are the device logic tables. An X denotes a don’t care input or output.

Table 7-3 DRV870x-Q1 PH and EN Control Interface (MODE = 0)
nSLEEPIN1/PHIN2/ENGH1GL1SH1GH2GL2SH2AVDD/DVDDDESCRIPTION
0XXXXHi-ZXXHi-ZDisabledSleep mode H bridge disabled Hi-Z
1X001L01LEnabledBrake low-side slow decay
10101L10HEnabledReverse (Current SH2 → SH1)
11110H01LEnabledForward (Current SH1 → SH2)
Table 7-4 DRV870x-Q1 Independent PWM Control Interface (MODE = 1)
nSLEEPIN1/PHIN2/ENGH1GL1SH1GH2GL2SH2AVDD/DVDDDESCRIPTION
0XXXXHi-ZXXHi-ZDisabledSleep mode H bridge disabled Hi-Z
1X0XXX01LEnabledHalf-bridge 2 low side on
1X1XXX10HEnabledHalf-bridge 2 high side on
10X01LXXXEnabledHalf-bridge 1 low side on
11X10HXXXEnabledHalf-bridge 1 high side on
Table 7-5 DRV870x-Q1 Standard PWM Control Interface (MODE = Hi-Z)
nSLEEPIN1/PHIN2/ENGH1GL1SH1GH2GL2SH2AVDD/DVDDDESCRIPTION
0XXXXHi-ZXXHi-ZDisabledSleep mode H bridge disabled Hi-Z
10000Hi-Z00Hi-ZEnabledCoast H bridge disabled Hi-Z
10101L10HEnabledReverse (Current SH2 → SH1)
11010H01LEnabledForward (Current SH1 → SH2)
11101L01LEnabledBrake low-side slow decay