SLOSEA8
December 2024
TAS5815
PRODUCTION DATA
1
1
Features
2
Applications
3
Description
Device Comparison Table
4
Pin Configuration and Functions
5
Specifications
5.1
Absolute Maximum Ratings
5.2
ESD Ratings
5.3
Recommended Operating Conditions
5.4
Thermal Information
5.5
Electrical Characteristics
5.6
Timing Requirements
6
Typical Characteristics
6.1
Bridge Tied Load (BTL) Configuration Curves with BD Modulation
6.2
Bridge Tied Load (BTL) Configuration Curves with 1SPW Modulation
6.3
Parallel Bridge Tied Load (PBTL) Configuration With BD Modulation
6.4
Parallel Bridge Tied Load (PBTL) Configuration With 1SPW Modulation
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
Power Supplies
7.3.2
Device Clocking
7.3.3
Serial Audio Port – Clock Rates
7.3.4
Serial Audio Port - Data Formats and Bit Depths
7.3.5
Clock Halt Auto-recovery
7.3.6
Sample Rate on the Fly Change
7.3.7
Digital Audio Processing
7.3.8
Class D Audio Amplifier
7.3.8.1
Speaker Amplifier Gain Select
7.4
Device Functional Modes
7.4.1
Software Control
7.4.2
Speaker Amplifier Operating Modes
7.4.2.1
BTL Mode
7.4.2.2
PBTL Mode
7.4.3
Low EMI Modes
7.4.3.1
Minimize EMI with Spread Spectrum
7.4.3.2
Minimize EMI with channel to channel phase shift
7.4.3.3
Minimize EMI with Multi-Devices PWM Phase Synchronization
7.4.4
Thermal Foldback
7.4.5
Device State Control
7.4.6
Device Modulation
7.4.6.1
BD Modulation
7.4.6.2
1SPW Modulation
7.4.6.3
Hybrid Modulation
7.4.7
Load Detect
7.4.7.1
Short Load Detect
7.4.7.2
Open Load Detect
7.5
Programming and Control
7.5.1
I2C Serial Communication Bus
7.5.2
Target Address
7.5.2.1
Random Write
7.5.2.2
Random Read
7.5.2.3
Sequential Write
7.5.2.4
Sequential Read
7.5.2.5
DSP Memory Book, Page and BQ update
7.5.2.6
Example Use
7.5.2.7
Checksum
7.5.2.7.1
Cyclic Redundancy Check (CRC) Checksum
7.5.2.7.2
Exclusive or (XOR) Checksum
7.5.3
Control via Software
7.5.3.1
Startup Procedures
7.5.3.2
Shutdown Procedures
7.5.3.3
Protection and Monitoring
7.5.3.3.1
Overcurrent Shutdown (OCSD)
7.5.3.3.2
DC Detect
7.5.3.3.3
Device Over Temperature Protection
7.5.3.3.4
Over Voltage Protection
7.5.3.3.5
Under Voltage Protection
7.5.3.3.6
Clock Fault
8
Register Maps
8.1
CONTROL PORT Registers
9
Application Information Disclaimer
9.1
Application Information
9.1.1
Bootstrap Capacitors
9.1.2
Inductor Selections
9.1.3
Power Supply Decoupling
9.1.4
Output EMI Filtering
9.2
Typical Application
9.2.1
2.0 (Stereo BTL) System
9.2.1.1
Design Requirements
9.2.2
Detailed Design Procedure
9.2.2.1
Step 1: Hardware Integration
9.2.2.2
Step 2: Speaker Tuning
9.2.2.3
Step 3: Software Integration
9.2.3
MONO (PBTL) System
9.2.3.1
Design Requirements
9.2.4
Advanced 2.1 System (Two TAS5815 Devices)
10
Power Supply Recommendations
10.1
DVDD Supply
10.2
PVDD Supply
11
Layout
11.1
Layout Guidelines
11.1.1
General Guidelines for Audio Amplifiers
11.1.2
Importance of PVDD Bypass Capacitor Placement on PVDD Network
11.1.3
Optimizing Thermal Performance
11.1.3.1
Device, Copper, and Component Layout
11.1.3.2
Stencil Pattern
11.1.3.2.1
PCB footprint and Via Arrangement
11.1.3.2.2
Solder Stencil
11.2
Layout Example
12
Device and Documentation Support
12.1
Device Support
12.1.1
Device Nomenclature
12.2
Support Resources
12.3
Trademarks
12.4
Electrostatic Discharge Caution
12.5
Glossary
13
Revision History
14
Mechanical and Packaging Information
14.1
Package Option Addendum
パッケージ・オプション
メカニカル・データ(パッケージ|ピン)
PWP|28
MPDS373B
サーマルパッド・メカニカル・データ
PWP|28
PPTD351
発注情報
slosea8_oa
slosea8_pm
1
Features
Support multiple output configurations
2 × 30W in 2.0 mode (6Ω, 21V, THD+N=1%)
58W in Mono mode (3Ω, 21V, THD+N=1%)
Excellent audio performance:
THD+N ≤ 0.03% at 1W, 1kHz, PVDD = 12V
SNR ≥ 110dB (A-weighted), ICN ≤ 45µVRMS
Efficient class-D operation:
> 90% Power efficiency, 120mΩ R
DS(on)
Flexible power supply configurations
PVDD:
4.5V
to 26.4V
DVDD and I/O: 1.8V or 3.3V
Flexible audio I/O:
Supports 32, 44.1, 48, 88.2, 96kHz sample rates
I
2
S, LJ, RJ, TDM
SDOUT for audio monitoring, sub-channel or echo cancellation
Support 3-wire digital audio interface (no MCLK required)
Supports stereo bridge-tied or mono parallel bridge-tied loads (BTL and PBTL)
Supports 8 steps Class-H DC-DC control.
Enhanced audio processing:
Sample rate convertor
96kHz processor sampling
DC blocking, 2 ×15 BQs, DPEQ, THD manager
4th Order 2-band DRC + AGL
Over temperature fold back
8 Class-H DC-DC control steps with 2.5ms look ahead buffer for BTL mode and 5ms for PBTL mode at 48k sample rate.
Excellent integrated self-protection:
Over-current error (OCE)
Over-temperature warning (OTW)
Over-temperature error (OTE)
Under or over-voltage lock-out (UVLO/OVLO)
Easy system integration
I
2
C Software Control
Reduced solution size
Less passives required compare to open loop devices
Ultra low EMI with latest EMI technology
No large inductors required for most applications