SLVSDX8B March   2017  – December 2018 DRV8702D-Q1 , DRV8703D-Q1

PRODUCTION DATA.  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
    1.     Device Images
      1.      Simplified Schematic
  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. 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 (DRV8702D-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 (DRV8702D-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, DRV8703D-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
      1. 7.6.1 DRV8703D-Q1 Memory Map
      2. 7.6.2 Status Registers
        1. 7.6.2.1 FAULT Status Register (address = 0x00h)
          1. Table 15. FAULT Status Field Descriptions
        2. 7.6.2.2 VDS and GDF Status Register Name (address = 0x01h)
          1. Table 16. VDS and GDF Status Field Descriptions
      3. 7.6.3 Control Registers
        1. 7.6.3.1 Main Control Register Name (address = 0x02h)
          1. Table 18. Main Control Field Descriptions
        2. 7.6.3.2 IDRIVE and WD Control Register Name (address = 0x03h)
          1. Table 19. IDRIVE and WD Field Descriptions
        3. 7.6.3.3 VDS Control Register Name (address = 0x04h)
          1. Table 21. VDS Control Field Descriptions
        4. 7.6.3.4 Config Control Register Name (address = 0x05h)
          1. Table 22. Config Control Field Descriptions
  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 Community 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

7.6.3.3 VDS Control Register Name (address = 0x04h)

VDS control is shown in Figure 51 and described in Table 21.

Return to Summary Table.

Read and write

Figure 51. VDS Control Register
7 6 5 4 3 2 1 0
SO_LIM VDS RESERVED DIS_H_VDS DIS_L_VDS
R/W-0b R/W-111b R-00b R/W-0b R/W-0b

Table 21. VDS Control Field Descriptions

Bit Field Type Default Description
7 SO_LIM R/W 0b

0b = Default operation

1b = SO output is voltage-limited to 3.6 V
6-4 VDS R/W 111b

Sets the VDS(OCP) monitor for each FET

000b = 0.06 V

001b = 0.145 V

010b = 0.17 V

011b = 0.2 V

100b = 0.12 V

101b = 0.24 V

110b = 0.48 V

111b = 0.96 V
3-2 RESERVED R 00b

Reserved
1 DIS_H_VDS R/W 0b

Disables the VDS monitor on the high-side FET of half-bridge (enabled by default)
0 DIS_L_VDS R/W 0b

Disables the VDS monitor on the low-side FET of half-bridge (enabled by default)