TIDUFE4
June 2026
1
Description
Resources
Features
Applications
6
1
System Description
1.1
Key System Specifications
2
System Overview
2.1
Block Diagram
2.2
Design Considerations
2.3
Highlighted Products
2.3.1
TAS6684-Q1
2.3.2
LM5125A-Q1
2.3.3
MSPM0G3507-Q1
3
System Design Theory
3.1
Boost Output Capacitance and Maximum Output Voltage
3.2
Peak Power of the Boost Converter
3.3
Ramp Time and Class-H delay
3.4
Design of the Class-H Two Stage RC Filter
3.5
Class-H Tracking with Multiple TAS6684-Q1s
3.6
TAS6684-Q1 Class-H Parameters
3.7
Design Parameters
4
Hardware, Software, Testing Requirements, and Test Results
4.1
Hardware Requirements
4.2
Software Requirements
4.3
Test Setup
4.3.1
Hardware Setup
4.3.2
Software Setup
4.4
Test Results
4.4.1
Test Results of Audio Amplifier
4.4.2
Test Results of Boost Converter
5
Design and Documentation Support
5.1
Design Files
5.1.1
Schematics
5.1.2
BOM
5.1.3
PCB Layout Recommendations
5.1.3.1
Layout Prints
5.2
Software
5.3
Documentation Support
5.4
Support Resources
5.5
Trademarks
6
About the Author
Design Guide
8-Channel, 1kVA, Class-H Audio Amplifier Reference Design