LC Filter

LC Filter

Left

Right

4.5-V to

26-V PSU

AM/FM Tuner

CD or MP3

Aux In

Left

Right

Audio Processor

and Control

TPA3116D2-Q1

AM /FM Avoidance

Control

FAULT

SD

MUTE

SYNC

Capable of Synchronizing

to Other Devices

GAIN/SLV

GAIN Control and Master or Slave Setting

AM2,1,0

PLIMIT

Power Limit

PBTL

Detect

Product

Folder

Sample &

Buy

Technical

Documents

Tools &

Software

Support &

Community

Reference

Design

TPA3116D2-Q1, TPA3118D2-Q1

SLOS862A – JULY 2015 – REVISED AUGUST 2015

TPA311xD2-Q1 100-W and 50-W Class-D Stereo Automotive Amplifiers

1 Features

2 Applications

1

•

Supports Multiple Output Configurations

•

Automotive Audio

•

Emergency Call

–

2 × 50 W Into a 4-

Ω BTL Load at 21 V

(TPA3116D2-Q1)

•

Driver Notifications

–

2 × 30 W Into an 8-

Ω BTL Load at 24 V

3 Description

(TPA3118D2-Q1)

The TPA311xD2-Q1 devices are automotive stereo,

•

Wide Voltage Range: 4.5 V to 26 V

efficient, digital-amplifier power stages for driving

•

Efficient Class-D Operation

speakers up to 100 W into 2

Ω in mono. The

–

>90% Power Efficiency Combined With Low

TPA3118D2-Q1 can even drive 2 × 30 W into 8

Ω

Idle Loss Greatly Reduces Heat Sink Size

without a heat sink on a dual-layer PCB. If even

higher power is needed, the TPA3116D2-Q1 drives

–

Advanced Modulation Schemes

2 × 50 W into 4

Ω with a small heat sink attached to

•

Multiple Switching Frequencies

its top-side thermal pad.

–

AM Avoidance

The TPA311xD2-Q1 advanced oscillator and PLL

–

Master and Slave Synchronization

circuit employ a multiple-switching-frequency option

–

Up to 1.2-MHz Switching Frequency

to avoid AM interference; this is achieved together

with an option of either master or slave selection,

•

Feedback Power-Stage Architecture With High

making it possible to synchronize multiple devices.

PSRR Reduces PSU Requirements

•

Programmable Power Limit

The TPA311xD2-Q1 devices are fully protected

against faults with short-circuit protection and thermal

•

Differential and Single-Ended Inputs

protection as well as overvoltage, undervoltage and

•

Stereo BTL and Mono PBTL Modes

dc protection. Faults are reported back to the

•

Single Power Supply Reduces Component Count

processor to prevent devices from being damaged

during overload conditions.

•

Integrated Self-Protection Circuits Including

Overvoltage, Undervoltage, Overtemperature, DC-

Device Information(1)

Detect, and Short Circuit With Error Reporting

DEVICE

PACKAGE

THERMAL PAD

•

Designed for Automotive EMC Requirements

TPA3116D2-Q1

On top

•

Thermally Enhanced Packages

HTSSOP (32)

TPA3118D2-Q1

On bottom

–

DAD (32-pin HTSSOP Pad Up)

(1) For all available packages, see the orderable addendum at

–

DAP (32-pin HTSSOP Pad Down)

the end of the datasheet.

–

–40°C to 125°C Ambient Temperature Range

Simplified Application Circuit

•

Qualified for Automotive Applications

•

AEC-Q100 Qualified With the Following Results:

–

Device Temperature Grade 1: –40°C to 125°C

Ambient Operating Temperature Range

–

Device HBM ESD Classification Level H2

–

Device CDM ESD Classification Level C4B

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.