SLOS810A
October 2019 – August 2020
TPA3139D2
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
Switching Characteristics
6.7
Typical Characteristics,
6.7.1
Bridge -Tied Load (BTL)
6.7.2
Paralleled Bridge -Tied Load (PBTL)
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
Analog Gain
7.3.2
SD/ FAULT and MUTE Operation
7.3.3
PLIMIT
7.3.4
Spread Spectrum and De-Phase Control
7.3.5
GVDD Supply
7.3.6
DC Detect
7.3.7
PBTL Select
7.3.8
Short-Circuit Protection and Automatic Recovery Feature
7.3.9
Over-Temperature Protection (OTP)
7.3.10
Over-Voltage Protection (OVP)
7.3.11
Under-Voltage Protection (UVP)
7.4
Device Functional Modes
7.4.1
MODE_SEL = LOW: BD Modulation
7.4.2
MODE_SEL = HIGH: Low-Idle-Current 1SPW Modulation
8
Application and Implementation
8.1
Application Information
8.2
Typical Applications
8.2.1
Design Requirements
8.2.1.1
PCB Material Recommendation
8.2.1.2
PVCC Capacitor Recommendation
8.2.1.3
Decoupling Capacitor Recommendations
8.2.2
Detailed Design Procedure
8.2.2.1
Ferrite Bead Filter Considerations
8.2.2.2
Efficiency: LC Filter Required with the Traditional Class-D Modulation Scheme
8.2.2.3
When to Use an Output Filter for EMI Suppression
8.2.2.4
Input Resistance
8.2.2.5
Input Capacitor, Ci
8.2.2.6
BSN and BSP Capacitors
8.2.2.7
Differential Inputs
8.2.2.8
Using Low-ESR Capacitors
8.2.3
Application Performance Curves
8.2.3.1
EN55013 Radiated Emissions Results
8.2.3.2
EN55022 Conducted Emissions Results
9
Power Supply Recommendations
9.1
Power Supply Decoupling, CS
10
Layout
10.1
Layout Guidelines
10.2
Layout Example
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
Package Options
Mechanical Data (Package|Pins)
RGE|24
MPQF124G
Thermal pad, mechanical data (Package|Pins)
RGE|24
QFND136Y
Orderable Information
slos810a_oa
slos810a_pm
1
Features
2 × 3 W into 8-Ω, 1% THD+N, 7.4-V supply
2 × 10 W into 8-Ω, 1% THD+N, 13.5-V supply
Fast Turn-on time < 15 ms
Wide supply range 3.5-V to 14.4-V
Low idle current and small footprint for portable audio applications
4 x 4 mm2 QFN-24 package
20-mA (12-V) idle current with 1SPW modulation
> 90% Class-D efficiency
Flexible audio solution:
MUTE signal for fast enable and enable of outputs
Single-ended or differential analog inputs
Selectable gain: 20 dB and 26 dB
Integrated Protections and Auto Recovery:
Pin-to-pin, pin-to-ground, and pin-to-power short circuit protection
Thermal protection, undervoltage protection, and overvoltage protection
Power limiter and DC speaker protection
Spread-spectrum modulation reduces EMI emission
Reduced solution size and cost:
EN55022 EMC compliant with ferrite bead filters
No external heatsink required