Texas Instruments TPA31 D2 Series Manual

TPA3116D2 15-W, 30-W, 50-W Filter-Free Class-D Stereo Amplifier Family With AM

1 Features

• Supports Multiple Output Configurations
1
– 2 × 50 W Into a 4-Ω BTL Load at 21 V
(TPA3116D2)
– 2 × 30 W Into a 8-Ω BTL Load at 24 V
(TPA3118D2)
– 2 × 15 W Into a 8-Ω BTL Load at 15 V
(TPA3130D2)
• Wide Voltage Range: 4.5 V to 26 V
• Efficient Class-D Operation
– >90% Power Efficiency Combined With Low
Idle Loss Greatly Reduces Heat Sink Size
– Advanced Modulation Schemes
• Multiple Switching Frequencies
– AM Avoidance
– Master and Slave Synchronization
– Up to 1.2-MHz Switching Frequency
• Feedback Power-Stage Architecture With High
PSRR Reduces PSU Requirements
• Programmable Power Limit
• Differential and Single-Ended Inputs
• Stereo and Mono Mode With Single-Filter Mono
Configuration
• Single Power Supply Reduces Component Count
• Integrated Self-Protection Circuits Including
Overvoltage, Undervoltage, Overtemperature, DC-
Detect, and Short Circuit With Error Reporting
• Thermally Enhanced Packages
– DAD (32-Pin HTSSOP Pad Up)
– DAP (32-Pin HTSSOP Pad Down)
• –40°C to 85°C Ambient Temperature Range

2 Applications

• Mini-Micro Component, Speaker Bar, Docks
• After-Market Automotive
• CRT TV
• Consumer Audio Applications
1
An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,
intellectual property matters and other important disclaimers. PRODUCTION DATA.
Order
Product
Technical
Folder Now
Documents
Avoidance
Support &
Tools &
Community
Software
TPA3116D2, TPA3118D2, TPA3130D2
SLOS708G – APRIL 2012 – REVISED DECEMBER 2017

3 Description

The TPA31xxD2 series are stereo efficient, digital
amplifier power stage for driving speakers up to 100
W / 2 Ω in mono. The high efficiency of the
TPA3130D2 allows it to do 2 × 15 W without external
heat sink on a single layer PCB. The TPA3118D2 can
even run 2 × 30 W / 8 Ω without heat sink on a dual
layer PCB. If even higher power is needed the
TPA3116D2 does 2 × 50 W / 4 Ω with a small heat-
sink attached to its top side PowerPAD. All three
devices share the same footprint enabling a single
PCB to be used across different power levels.
The TPA31xxD2 advanced oscillator/PLL circuit
employs a multiple switching frequency option to
avoid AM interferences; this is achieved together with
an option of either master or slave option, making it
possible to synchronize multiple devices.
The TPA31xxD2 devices are fully protected against
faults with short-circuit
protection as well as overvoltage, undervoltage, and
DC protection. Faults are reported back to the
processor to prevent devices from being damaged
during overload conditions.
Device Information
PART NUMBER PACKAGE
TPA3116D2 DAD (32)
TPA3118D2
DAP (32)
TPA3130D2
(1) For all available packages, see the orderable addendum at
the end of the datasheet.
Simplified Application Circuit
Audio Processor
And control
Tuner AM/FM
Right
Left
CD/ MP3
Aux in
AM /FM Avoidance
Control
GAIN control and Master /Slave setting
Power Limit
Capable of synchronizing to other devices
Copyright © 2016, Texas Instruments Incorporated
protection and thermal
(1)
BODY SIZE (NOM)
11.00 mm × 6.20 mm
11.00 mm × 6.20 mm
4.5 V-26 V
TPA3116D2
PSU
PBTL
Right LC Filter
Detect
SDZ
MUTE
FAULTZ
Left LC Filter
AM2,1,0
GAIN/SLV
PLIMIT
Sync