SLVSGI0C
September 2022 – June 2024
DRV8411
PRODUCTION DATA
1
1
Features
2
Applications
3
Description
4
Device Comparison
5
Pin Configuration and Functions
6
Specifications
6.1
Absolute Maximum Ratings
6.2
ESD Ratings
6.3
Recommended Operating Conditions
6.4
Thermal Information
6.5
Electrical Characteristics
6.6
Timing Diagrams
7
Typical Characteristics
8
Detailed Description
8.1
Overview
8.2
Functional Block Diagram
8.3
External Components
8.4
Feature Description
8.4.1
Bridge Control
8.4.1.1
Parallel Bridge Interface
8.4.2
Current Regulation
8.4.3
Protection Circuits
8.4.3.1
Overcurrent Protection (OCP)
8.4.3.2
Thermal Shutdown (TSD)
8.4.3.3
Undervoltage Lockout (UVLO)
8.5
Device Functional Modes
8.5.1
Active Mode
8.5.2
Low-Power Sleep Mode
8.5.3
Fault Mode
8.6
Pin Diagrams
8.6.1
Logic-Level Inputs
9
Application and Implementation
9.1
Application Information
9.1.1
Typical Application
9.1.1.1
Stepper Motor Application
9.1.1.1.1
Design Requirements
9.1.1.1.2
Detailed Design Procedure
9.1.1.1.2.1
Stepper Motor Speed
9.1.1.1.2.2
Current Regulation
9.1.1.1.2.3
Stepping Modes
9.1.1.1.2.3.1
Full-Stepping Operation
9.1.1.1.2.3.2
Half-Stepping Operation with Fast Decay
9.1.1.1.2.3.3
Half-Stepping Operation with Slow Decay
9.1.1.1.3
Application Curves
9.1.1.2
Dual BDC Motor Application
9.1.1.2.1
Design Requirements
9.1.1.2.2
Detailed Design Procedure
9.1.1.2.2.1
Motor Voltage
9.1.1.2.2.2
Current Regulation
9.1.1.2.2.3
Sense Resistor
9.1.1.2.3
Application Curves
9.1.1.3
Thermal Considerations
9.1.1.3.1
Maximum Output Current
9.1.1.3.2
Power Dissipation
9.1.1.3.3
Thermal Performance
9.1.1.3.3.1
Steady-State Thermal Performance
9.1.1.3.3.2
Transient Thermal Performance
9.1.1.4
Multi-Sourcing with Standard Motor Driver Pinout
9.2
Power Supply Recommendations
9.2.1
Bulk Capacitance
9.2.2
Power Supply and Logic Sequencing
9.3
Layout
9.3.1
Layout Guidelines
9.3.2
Layout Example
10
Device and Documentation Support
10.1
Documentation Support
10.1.1
Related Documentation
10.2
Receiving Notification of Documentation Updates
10.3
Community Resources
10.4
Trademarks
11
Revision History
12
Mechanical, Packaging, and Orderable Information
9.1.1.1.3
Application Curves
Ch 1 = AIN1, Ch 2 = AIN2, Ch 3 = BIN1, Ch 4 = BIN2, Ch 5 = AOUT12, Ch 6 = BOUT12, Ch 7 = AOUT12 current, Ch 8 = BOUT12 current
Figure 9-5
Stepper Motor Full-Step Operation
Figure 9-6
Stepper Motor Half-Step Operation With Fast Decay
Figure 9-7
Stepper Motor Half-Step Operation With Slow Decay