Texas Instruments manual TPA3100D2 EVM Schematic

Page 5

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TPA3100D2 EVM Schematic

3 TPA3100D2 EVM Schematic

 

 

 

 

 

 

 

 

 

 

VCC

 

J6

 

 

 

J5

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ROUT+

 

 

ROUT-

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

S1

 

 

100k

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R1

 

 

0.47μF

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

100k

 

 

 

 

 

 

 

C23

 

 

 

 

 

 

 

 

VREG

S2

 

R2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

L4

C9

C8

 

L3

 

 

 

 

 

 

 

 

 

 

 

J11

 

 

 

0.1

 

 

0.1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

33Hμ

 

 

33Hμ

 

 

 

 

 

 

TP1

 

 

 

 

 

 

 

 

μF

 

 

μF

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

FAULT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

VCC

 

 

 

0.22μF

 

 

0.22μF

 

 

 

 

 

 

C2010μF

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1μF

C17

 

 

 

 

 

 

C4

 

 

 

C3

 

 

 

 

 

J9

 

 

 

 

 

AVCC

 

FAULT

MUTE

SHUTDOWN

BSRP

ROUTP

ROUTP

 

ROUTN

ROUTN

 

BSRN

 

 

 

 

 

 

 

 

NC

NC

 

 

NC

NC

 

 

 

C11

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1.0μF

 

RINN

 

 

 

 

 

 

 

 

 

 

 

 

 

 

PVCCR

RIN

 

C12

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RINP

 

 

 

 

 

 

 

 

 

 

 

 

 

 

PVCCR

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1.0μF

 

 

AGND

 

 

 

 

 

 

 

 

 

 

 

 

 

 

PGNDR

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LIN

 

 

C13

 

 

LINP

 

 

 

 

 

 

 

 

 

 

 

 

 

 

PGNDR

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

J2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1.0μF

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C14

 

 

LINN

 

 

 

TPA3100D2

 

 

VCLAMPR

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1.0μF

 

 

 

 

 

 

 

 

VCLAMPL

J12

J10

 

 

 

 

NC

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

GAIN0

 

 

 

 

 

 

 

 

 

 

 

 

 

PGNDL

J13

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

GAIN1

 

 

 

 

 

 

 

 

 

 

 

 

 

PGNDL

 

J14

 

 

 

 

MSTR/SLV

 

 

 

 

 

 

 

 

 

 

 

PVCCL

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

100kR3

100kR4

100k

TP2

 

 

 

NC

ROSC

VREG

VBYP

AGND

BSLP

LOUTP

LOUTP

 

ROUTP

ROUTP

 

BSLN

NC

 

 

 

 

 

 

 

SYNC

 

 

 

 

 

 

 

 

 

 

 

 

 

 

PVCCL

 

 

 

 

 

 

NC

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

NC

 

 

 

R5

 

 

 

 

 

 

10nF

 

 

 

C1

 

 

 

C2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

VREG

 

 

R6 100k

 

C5

1μF

 

0.22μF

 

 

 

0.22μF

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

L1 33Hμ

 

 

 

 

 

 

L2 33Hμ

 

 

 

 

 

 

 

 

 

 

 

C10

 

 

C6

C7

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0.1

 

 

0.1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

μF

 

 

μF

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C24

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0.47μF

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

J3

 

 

 

J4

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LOUT+

 

 

LOUT-

 

 

C18

1μF

220μF C21

C16 1μF

C15 1μF

220μF C22

 

1μF

 

C19

VCC

 

Connected

 

and

8 with

point

.

PGND AGND

J7

VCC

J8

GND

Figure 3. TPA3100D2 EVM Schematic

SLOU179 –December 2005

TPA3100D2 Audio Power Amplifier Evaluation Module With LC Filter

5

Image 5
Contents Users Guide TI TPA3100D2 Audio Power Amplifier EVM Bottom View TI TPA3100D2 Audio Power Amplifier EVM Top ViewEvaluation Module Preparations Power SupplyOperation Power Up Gain SettingsTPA3100D2 EVM Schematic TPA3100D2 EVM SchematicTPA3100D2 EVM Top Layer TPA3100D2 EVM PCB LayersTPA3100D2 EVM Bottom Layer TPA3100D2 EVM Parts List TPA3100D2 EVM Parts ListEVM Terms and Conditions FCC WarningsEVM Warnings and Restrictions Important Notice

TPA3100D2 specifications

The Texas Instruments TPA3100D2 is a highly efficient Class-D audio amplifier designed for a variety of applications including televisions, soundbars, and other multimedia devices. This device exemplifies cutting-edge technology in audio amplification, combining high-performance sound quality with an impressive power output and energy efficiency.

One of the standout features of the TPA3100D2 is its high output power capability. It can deliver up to 15 watts per channel into a 4-ohm load, making it suitable for driving mid-range speakers and subwoofers in consumer audio products. With an operating voltage range from 8 to 24 volts, the amplifier can support diverse system architectures, providing flexibility in design and application.

The TPA3100D2 incorporates several advanced technologies that enhance its performance. Notably, it utilizes the efficient Class-D architecture, which converts DC power into amplified audio signals with minimal heat generation. This ensures that more power is used for the audio signal rather than wasted as heat, leading to improved energy efficiency and reliability in long-running applications.

Additionally, the device features a built-in patient feedback loop that optimizes the sound quality across various input conditions. This technology significantly reduces distortion, allowing the TPA3100D2 to deliver clearer and more accurate sound reproduction. It also boasts a unique speaker protection system that helps to prevent damage during operation by monitoring the output signals and adjusting the amplifier's performance accordingly.

The TPA3100D2 supports advanced audio features such as digital volume control and automatic gain control, enabling designers to create versatile audio systems that meet diverse user needs. Its low total harmonic distortion (THD) rating assures sound fidelity, while high power supply rejection ratio (PSRR) minimizes the impact of power supply noise, ensuring a purer audio signal.

The compact package design of the TPA3100D2 makes it easy to integrate into tight spaces within consumer electronics, facilitating innovative product designs. Furthermore, it is supported by comprehensive design resources, including evaluation modules and software, which assist engineers in optimizing their designs for maximum performance.

In summary, the Texas Instruments TPA3100D2 is a powerful and efficient Class-D amplifier tailored for modern audio applications, offering exceptional sound quality, advanced protection features, and flexible design options. Its integration of innovative technologies not only enhances audio performance but also promotes energy efficiency, making it an ideal choice for a variety of audio amplification needs.