SLVSHC8
May 2023
DRV8334-Q1
PRODMIX
1
1
Features
2
Applications
3
Description
4
Pin Configuration and Functions
4.1
Pin Functions 48-Pin DRV8334-Q1
5
Specification
5.1
Absolute Maximum Ratings
5.2
ESD Ratings Auto
5.3
Recommended Operating Conditions
5.4
Thermal Information
5.5
Electrical Characteristics
5.6
Timing Requirements
5.7
SPI Timing Diagrams
6
Detailed Description
6.1
Overview
6.2
Functional Block Diagram
6.3
Feature Description
6.3.1
Three BLDC Gate Drivers
6.3.1.1
PWM Control Modes
6.3.1.1.1
6x PWM Mode
6.3.1.1.2
3x PWM Mode with INLx enable control
6.3.1.1.3
3x PWM Mode with SPI enable control
6.3.1.1.4
1x PWM Mode
6.3.1.1.5
SPI Gate Drive Mode
6.3.1.2
Gate Drive Architecture
6.3.1.2.1
Bootstrap diode
6.3.1.2.2
GVDD Charge pump/LDO
6.3.1.2.3
VCP Trickle Charge pump
6.3.1.2.4
Gate Driver Output
6.3.1.2.5
Passive and Semi-active pull-down resistor
6.3.1.2.6
TDRIVE Gate Drive Timing Control
6.3.1.2.7
Propagation Delay
6.3.1.2.8
Deadtime and Cross-Conduction Prevention
6.3.2
Low-Side Current Sense Amplifiers
6.3.2.1
Unidirectional Current Sense Operation
6.3.2.2
Bidirectional Current Sense Operation
6.3.3
Gate Driver Shutdown
6.3.3.1
DRVOFF Gate Driver Shutdown
6.3.3.2
Gate Driver Shutdown Timing Sequence
6.3.4
Gate Driver Protective Circuits
6.3.4.1
PVDD Supply Undervoltage Warning (PVDD_UVW)
6.3.4.2
PVDD Supply Undervoltage Lockout (PVDD_UV)
6.3.4.3
PVDD Supply Overvoltage Fault (PVDD_OV)
6.3.4.4
GVDD Undervoltage Lockout (GVDD_UV)
6.3.4.5
GVDD Overvoltage Fault (GVDD_OV)
6.3.4.6
BST Undervoltage Lockout (BST_UV)
6.3.4.7
BST Overvoltage Fault (BST_OV)
6.3.4.8
VCP Undervoltage Fault (CP_OV)
6.3.4.9
VCP Overvoltage Fault (CP_OV)
6.3.4.10
VDRAIN Undervoltage Fault (VDRAIN_UV)
6.3.4.11
VDRAIN Overvoltage Fault (VDRAIN_OV)
6.3.4.12
MOSFET VGS Monitoring Protection
6.3.4.13
MOSFET VDS Overcurrent Protection (VDS_OCP)
6.3.4.14
VSENSE Overcurrent Protection (SEN_OCP)
6.3.4.15
Phase Comparators
6.3.4.16
Thermal Shutdown (OTSD)
6.3.4.17
Thermal Warning (OTW)
6.3.4.18
OTP CRC
6.3.4.19
SPI Watchdog Timer
6.3.4.20
Phase Diagnostic
6.4
Device Functional Modes
6.4.1
Gate Driver Functional Modes
6.4.1.1
Sleep Mode
6.4.1.2
Operating Mode
6.4.2
Device Power Up Sequence
6.5
Programming
6.5.1
SPI
6.5.2
SPI Format
6.5.3
SPI Format Diagrams
7
Register Maps
7.1
STATUS Registers
7.2
CONTROL Registers
8
Application and Implementation
8.1
Application Information
8.2
Typical Application
8.2.1
Typical Application with 48-pin package
8.2.1.1
External Components
8.2.2
Application Curves
8.3
Layout
8.3.1
Layout Guidelines
8.3.2
Layout Example
9
Device and Documentation Support
9.1
Documentation Support
9.1.1
Related Documentation
9.2
Receiving Notification of Documentation Updates
9.3
Community Resources
9.4
Trademarks
10
Revision History
11
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
PHP|48
MPQF051B
Thermal pad, mechanical data (Package|Pins)
PHP|48
PPTD389
Orderable Information
slvshc8_oa
Data Sheet
DRV8334-Q1
Automotive 24/12V Battery 3-Phase Gate Driver Unit with accurate current sensing and enhanced diagnostics