Power Supply

110VAC->240VAC

TAS5630

4.5V-14.4V

TPA3136D2

Audio

Source

And Control

RIGHT

LEFT

Ferrite

Bead

Filter

Ferrite

Bead

Filter

PBTL

SELECT

SD

FAULT

PLIMIT

Power Limiter Threshold Select

PBTL Mode Select

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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.

TPA3136D2, TPA3136AD2

SLOS938D – MAY 2016 – REVISED MARCH 2017

TPA3136D2/TPA3136AD2 10-W Inductor Free Stereo (BTL) Class-D Audio Amplifier with

Ultra Low EMI

1

1 Features

1

•

2 × 10 W/ch into 6-

Ω Loads at 10% THD+N from

a 12-V Supply

•

2 × 10 W/ch into 8-

Ω Loads at 10% THD+N from

a 13-V Supply

•

Up to 90% Efficient Class-D Operation (8

Ω)

Eliminates Need for Heat Sinks

•

<0.05% THD+N at 1 W/4 Ω/1 kHz

•

Wide Supply Voltage Range Allows Operation

from 4.5 V (8.0V for TPA3136AD2) to 14.4 V

•

Inductor-Free Operation

•

Enhanced EMI Performance with Spread

Spectrum

•

SpeakerGuard™ Speaker Protection Includes

Power Limiter and DC Protection

•

Robust Pin-to-Pin, Pin-to-Ground, and Pin-to-

Power Short Circuit Protection and Thermal

Protection

•

26-dB Fixed Gain

•

Single-Ended or Differential Analog Inputs

•

Click and Pop Free Startup

2 Applications

•

Televisions

•

Bluetooth/Wireless Speakers

•

Mini Speakers

•

USB Speakers

•

Consumer Audio Equipment

3 Description

The TPA3136D2/TPA3136AD2 device an efficient,

Class-D audio power amplifier for driving bridged-tied

stereo speakers at up to 10 W, 6

Ω, or 8 Ω (per

channel).

Advanced EMI Suppression Technology with Spread

Spectrum

Control

scheme

enables

the

use

of

inexpensive ferrite bead filters at the outputs while

meeting EMC requirements for system cost reduction.

The TPA3136D2/TPA3136AD2 device is not only fully

protected

against

shorts

and

overload,

the

SpeakerGuard™ speaker protection circuitry includes

a power limiter and a DC detection circuit for

protection of the connected speakers. The DC detect

and Pin-to-Pin, Pin-to-Ground, and Pin-to-Power

Short Circuit protection circuit protect the speakers

from output DC and pin shorts caused in production.

The outputs are also fully protected against shorts to

GND, PVCC, and output-to-output. The short-circuit

protection and thermal protection includes an auto

recovery feature.

The

TPA3136D2/TPA3136AD2

device

can

drive

stereo speakers with as low as 4-Ω impedance. The

high efficiency of the TPA3136D2/TPA3136AD2, 90%

with an 8-

Ω load, eliminates the need for an external

heat sink, and TPA3136D2/TPA3136AD2 will be able

to output full power on a 2-layer PCB.

Device Information(1)

PART NUMBER

PACKAGE

BODY SIZE (NOM)

TPA3136D2

HTSSOP (28)

9.70 mm × 4.40 mm

TPA3136AD2

HTSSOP (28)

9.70 mm × 4.40 mm

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

the end of the datasheet.

Simplified Schematic