SLVSHC8 May   2023 DRV8334-Q1

PRODMIX  

1.   1
2. 1 Features
3. 2 Applications
4. 3 Description
5. 4 Pin Configuration and Functions
   1. 4.1 Pin Functions 48-Pin DRV8334-Q1
6. 5 Specification
   1. 5.1 Absolute Maximum Ratings
   2. 5.2 ESD Ratings Auto
   3. 5.3 Recommended Operating Conditions
   4. 5.4 Thermal Information
   5. 5.5 Electrical Characteristics
   6. 5.6 Timing Requirements
   7. 5.7 SPI Timing Diagrams
7. 6 Detailed Description
   1. 6.1 Overview
   2. 6.2 Functional Block Diagram
   3. 6.3 Feature Description
      1. 6.3.1 Three BLDC Gate Drivers
         1. 6.3.1.1 PWM Control Modes
            1. 6.3.1.1.1 6x PWM Mode
            2. 6.3.1.1.2 3x PWM Mode with INLx enable control
            3. 6.3.1.1.3 3x PWM Mode with SPI enable control
            4. 6.3.1.1.4 1x PWM Mode
            5. 6.3.1.1.5 SPI Gate Drive Mode
         2. 6.3.1.2 Gate Drive Architecture
            1. 6.3.1.2.1 Bootstrap diode
            2. 6.3.1.2.2 GVDD Charge pump/LDO
            3. 6.3.1.2.3 VCP Trickle Charge pump
            4. 6.3.1.2.4 Gate Driver Output
            5. 6.3.1.2.5 Passive and Semi-active pull-down resistor
            6. 6.3.1.2.6 TDRIVE Gate Drive Timing Control
            7. 6.3.1.2.7 Propagation Delay
            8. 6.3.1.2.8 Deadtime and Cross-Conduction Prevention
      2. 6.3.2 Low-Side Current Sense Amplifiers
         1. 6.3.2.1 Unidirectional Current Sense Operation
         2. 6.3.2.2 Bidirectional Current Sense Operation
      3. 6.3.3 Gate Driver Shutdown
         1. 6.3.3.1 DRVOFF Gate Driver Shutdown
         2. 6.3.3.2 Gate Driver Shutdown Timing Sequence
      4. 6.3.4 Gate Driver Protective Circuits
         1. 6.3.4.1  PVDD Supply Undervoltage Warning (PVDD_UVW)
         2. 6.3.4.2  PVDD Supply Undervoltage Lockout (PVDD_UV)
         3. 6.3.4.3  PVDD Supply Overvoltage Fault (PVDD_OV)
         4. 6.3.4.4  GVDD Undervoltage Lockout (GVDD_UV)
         5. 6.3.4.5  GVDD Overvoltage Fault (GVDD_OV)
         6. 6.3.4.6  BST Undervoltage Lockout (BST_UV)
         7. 6.3.4.7  BST Overvoltage Fault (BST_OV)
         8. 6.3.4.8  VCP Undervoltage Fault (CP_OV)
         9. 6.3.4.9  VCP Overvoltage Fault (CP_OV)
         10. 6.3.4.10 VDRAIN Undervoltage Fault (VDRAIN_UV)
         11. 6.3.4.11 VDRAIN Overvoltage Fault (VDRAIN_OV)
         12. 6.3.4.12 MOSFET VGS Monitoring Protection
         13. 6.3.4.13 MOSFET VDS Overcurrent Protection (VDS_OCP)
         14. 6.3.4.14 VSENSE Overcurrent Protection (SEN_OCP)
         15. 6.3.4.15 Phase Comparators
         16. 6.3.4.16 Thermal Shutdown (OTSD)
         17. 6.3.4.17 Thermal Warning (OTW)
         18. 6.3.4.18 OTP CRC
         19. 6.3.4.19 SPI Watchdog Timer
         20. 6.3.4.20 Phase Diagnostic
   4. 6.4 Device Functional Modes
      1. 6.4.1 Gate Driver Functional Modes
         1. 6.4.1.1 Sleep Mode
         2. 6.4.1.2 Operating Mode
      2. 6.4.2 Device Power Up Sequence
   5. 6.5 Programming
      1. 6.5.1 SPI
      2. 6.5.2 SPI Format
      3. 6.5.3 SPI Format Diagrams
8. 7 Register Maps
   1. 7.1 STATUS Registers
   2. 7.2 CONTROL Registers
9. 8 Application and Implementation
   1. 8.1 Application Information
   2. 8.2 Typical Application
      1. 8.2.1 Typical Application with 48-pin package
         1. 8.2.1.1 External Components
      2. 8.2.2 Application Curves
   3. 8.3 Layout
      1. 8.3.1 Layout Guidelines
      2. 8.3.2 Layout Example
10. 9 Device and Documentation Support
    1. 9.1 Documentation Support
       1. 9.1.1 Related Documentation
    2. 9.2 Receiving Notification of Documentation Updates
    3. 9.3 Community Resources
    4. 9.4 Trademarks
11. 10Revision History
12. 11Mechanical, Packaging, and Orderable Information

DRV8334-Q1 Automotive 24/12V Battery 3-Phase Gate Driver Unit with accurate current sensing and enhanced diagnostics