IN-

IN+

GAIN

ENB

END

GND

VBAT

SW PVOUT PVDD

OUT+

OUT-

AGC

2.2 H

m

6.8 F - 22 F

m

m

TPA2015D1

Differential

Audio Inputs

Gain Control

AGC Control

Boost Enable

Class-D Enable

2.2 F - 10 F

m

m

Connected to Supply

Product

Folder

Sample &

Buy

Technical

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Software

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TPA2015D1

SLOS638B – NOVEMBER 2011 – REVISED OCTOBER 2015

TPA2015D1 2-W Constant Output Power Class-D Audio Amplifier With Adaptive Boost

Converter and Battery Tracking Speakerguard™ AGC

1 Features

3 Description

The TPA2015D1 is a high efficiency Class-D audio

1

•

power amplifier with battery-tracking SpeakerGuard™

(AGC) with Enhanced Battery Tracking

AGC technology and an integrated adaptive boost

–

Limits Battery Current Consumption

converter that enhances efficiency at low output

–

Prevents Audio Clipping

power. It drives up to 2 W into an 8

Ω speaker (6%

THD). With 85% typical efficiency, the TPA2015D1

•

2 W into 8

Ω Load From 3.6 V Supply (6% THD)

helps extend battery life when playing audio.

•

Integrated Adaptive Boost Converter

The built-in boost converter generates a 5.5 V supply

–

Increases Efficiency at Low Output Power

voltage for the Class-D amplifier. This provides a

•

Low Quiescent Current of 1.7 mA from 3.6 V

louder audio output than a stand-alone amplifier

•

Operates From 2.5 V to 5.2 V

directly

connected

to

the

battery.

The

•

Thermal and Short-Circuit Protection with Auto

limit battery current and prevent heavy clipping.

Recovery

The TPA2015D1 has an integrated low-pass filter to

•

Three Gain Settings: 6 dB, 15.5 dB, and 20 dB

improve the RF rejection and reduce DAC out-of-

•

Independent Control for Boost and Class-D

band noise, increasing the signal to noise ratio

•

Pin-to-Pin Compatible with TPA2013D1

(SNR).

•

Available in 1.954 mm × 1.954 mm 16-ball

The TPA2015D1 is available in a space saving

DSBGA Package

1.954 mm × 1.954 mm, 0.5 mm pitch DSBGA

package (YZH).

2 Applications

Device Information(1)

•

Cell Phones, PDA, GPS

PART NUMBER

PACKAGE

BODY SIZE (NOM)

•

Portable Electronics and Speakers

TPA2015D1

DSBGA (16)

2.00 mm × 2.00 mm

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

the end of the data sheet.

Simplified Application Schematic

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.