SLVSGT3
December 2022
DRV8317
PRODUCTION DATA
1
Features
2
Applications
3
Description
4
Revision History
5
Device Comparison Table
6
Pin Configuration and Functions
7
Specifications
7.1
Absolute Maximum Ratings
7.2
ESD Ratings
7.3
Recommended Operating Conditions
7.4
Thermal Information
7.5
Electrical Characteristics
8
Detailed Description
8.1
Overview
8.2
Functional Block Diagram
8.3
Feature Description
8.3.1
Output Stage
8.3.2
Control Modes
8.3.2.1
6x PWM Mode
8.3.2.2
3x PWM Mode
8.3.3
Device Interface Modes
8.3.3.1
Serial Peripheral Interface (SPI)
8.3.3.2
Hardware Interface
8.3.4
AVDD Linear Voltage Regulator
8.3.5
Charge Pump
8.3.6
Slew Rate Control
8.3.7
Cross Conduction (Dead Time)
8.3.8
Propagation Delay
8.3.9
Pin Diagrams
8.3.9.1
Logic Level Input Pin (Internal Pulldown)
8.3.9.2
Logic Level Input Pin (Internal Pullup)
8.3.9.3
Open Drain Pin
8.3.9.4
Push Pull Pin
8.3.9.5
Four Level Input Pin
8.3.10
Current Sense Amplifiers
8.3.10.1
Current Sense Amplifier Operation
8.3.11
Protections
8.3.11.1
Under Voltage Protection (UVP)
8.3.11.2
VM Under Voltage Warn (VMUV_WARN) Protection
8.3.11.2.1
VM Under Voltage Warn Automatic Retry (VMUV_WARN_MODE = 00b or 01b)
8.3.11.2.2
VM Under Voltage Warn Report Only (VMUV_WARN_MODE = 10b)
8.3.11.2.3
VM Under Voltage Warn Disabled (VMUV_WARN_MODE = 11b)
8.3.11.3
Over Current Protection (OCP)
8.3.11.3.1
OCP Latched Fault (OCP_MODE = 010b)
8.3.11.3.2
OCP Automatic Retry (OCP_MODE = 000b or 001b)
8.3.11.3.3
OCP Report Only (OCP_MODE = 011b)
8.3.11.4
VM Over Voltage Protection (OVP)
8.3.11.5
SPI Fault
8.3.11.6
System (OTP Read) Fault
8.3.11.7
Thermal Protection
8.3.11.7.1
FET Over Temperature Warning (OTW_FET)
8.3.11.7.2
FET Over Temperature Shutdown (OTS_FET)
8.3.11.7.3
LDO Over Temperature Shutdown
8.4
Device Functional Modes
8.4.1
Functional Modes
8.4.1.1
Sleep Mode
8.4.1.2
Operating Mode
8.4.1.3
Fault Reset (FLT_CLR or nSLEEP Reset Pulse)
8.5
SPI Communication
8.5.1
Programming
8.5.1.1
SPI Format
8.6
DRV8317 Registers
9
Application and Implementation
9.1
Application Information
9.2
Typical Applications
9.2.1
Three-Phase Brushless-DC Motor Control
9.2.1.1
Detailed Design Procedure
9.2.1.1.1
Motor Voltage
9.2.1.2
Driver Propagation Delay and Dead Time
9.2.1.3
Delay Compensation
9.2.1.4
Current Sensing and Output Filtering
9.2.1.5
Application Curves
9.3
Alternate Applications
10
Power Supply Recommendations
10.1
Bulk Capacitance
11
Layout
11.1
Layout Guidelines
11.2
Layout Example
11.3
Thermal Considerations
11.3.1
Power Dissipation and Junction Temperature Estimation
12
Device and Documentation Support
12.1
Support Resources
12.2
Trademarks
12.3
Electrostatic Discharge Caution
12.4
Glossary
13
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
REE|36
MPQF647
Thermal pad, mechanical data (Package|Pins)
Orderable Information
slvsgt3_oa
10
Power Supply Recommendations