SLOSE43A
April 2020 – July 2020
TAS5431-Q1
PRODUCTION DATA
1
Features
2
Applications
3
Description
4
Revision History
5
Pin Configuration and Functions
Pin 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 Requirements for I2C Interface Signals
6.7
Typical Characteristics
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
Analog Audio Input and Preamplifier
7.3.2
Pulse-Width Modulator (PWM)
7.3.3
Gate Drive
7.3.4
Power FETs
7.3.5
Load Diagnostics
7.3.5.1
Load Diagnostics Sequence
7.3.5.2
Faults During Load Diagnostics
7.3.6
Protection and Monitoring
7.3.7
I2C Serial Communication Bus
7.3.7.1
I2C Bus Protocol
7.3.7.2
Random Write
7.3.7.3
Random Read
7.3.7.4
Sequential Read
7.4
Device Functional Modes
7.4.1
Hardware Control Pins
7.4.2
EMI Considerations
7.4.3
Operating Modes and Faults
7.5
Register Maps
7.5.1
I2C Address Register Definitions
8
Application and Implementation
8.1
Application Information
8.2
Typical Application
8.2.1
Design Requirements
8.2.1.1
Amplifier Output Filtering
8.2.1.2
Amplifier Output Snubbers
8.2.1.3
Bootstrap Capacitors
8.2.1.4
Analog Audio Input Filter
8.2.2
Detailed Design Procedure
8.2.2.1
Unused Pin Connections
8.2.2.1.1
MUTE Pin
8.2.2.1.2
STANDBY Pin
8.2.2.1.3
I2C Pins (SDA and SCL)
8.2.2.1.4
Terminating Unused Outputs
8.2.2.1.5
Using a Single-Ended Audio Input
8.2.3
Application Curves
9
Power Supply Recommendations
10
Layout
10.1
Layout Guidelines
10.2
Layout Examples
10.2.1
Top Layer
10.2.2
Second Layer – Signal Layer
10.2.3
Third Layer – Power Layer
10.2.4
Bottom Layer – Ground Layer
11
Device and Documentation Support
11.1
Device Support
11.1.1
Third-Party Products Disclaimer
11.2
Documentation Support
11.2.1
Related Documentation
11.3
Receiving Notification of Documentation Updates
11.4
Support Resources
11.5
Trademarks
11.6
Electrostatic Discharge Caution
11.7
Glossary
12
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
PWP|16
MPDS371A
Thermal pad, mechanical data (Package|Pins)
PWP|16
PPTD153P
Orderable Information
slose43a_oa
slose43a_pm
10
Layout