Texas Instruments manual TPA3001D1EVM Schematic Diagram

Page 21

TPA3001D1EVM Schematic

3.2 TPA3001D1EVM Schematic

Figure 3–1. TPA3001D1EVM Schematic Diagram

 

 

 

R2

 

 

 

120 k

IN–

C1

0.47 F

 

 

 

IN+

 

J1

C2 0.47 F

 

 

SHUTDOWN

 

J2

 

 

 

S1

R3

 

 

 

 

 

120 k

 

 

 

 

C10

 

R5

 

1 F

 

51

VCC

 

 

 

 

 

 

 

 

C8

 

 

0.22 F

C7

C5

10

F

1

F

D2

R1

U1

 

 

 

 

 

 

 

 

 

 

120 k

 

 

 

 

 

 

 

 

 

 

TPA3001D1

 

 

 

 

 

 

 

 

VCC

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C4

 

 

 

 

 

1

INN

 

 

24

 

 

 

 

 

 

 

VCC

1

F

 

C3

 

 

2

INP

 

VREF

23

 

 

 

1

F

 

 

 

 

 

 

 

 

 

 

3

GAIN0

 

BYPASS

22

 

 

C11

 

 

 

 

 

 

 

 

 

1 F

 

 

 

 

4

 

 

 

21

C12

 

 

 

 

 

GAIN1

 

COSC

 

 

 

 

 

 

 

 

 

 

220 pF

R4

 

 

 

 

5

 

 

 

20

 

 

 

 

SHUTDOWN

 

 

 

 

 

 

 

 

ROSC

 

 

120 k

 

 

 

 

6

PGND

 

AGND

19

 

 

 

 

 

 

7

VCLAMP

AGND

18

R6

 

 

 

 

 

 

 

8

BSN

 

 

17

 

 

 

 

 

 

 

 

BSP

51

 

 

 

 

 

 

 

9

PVCC

 

PVCC

16

 

 

 

 

 

 

VCC

10

 

15

 

 

 

 

 

 

 

OUTN

 

OUTP

 

 

 

C9

F

 

11

 

 

 

14

 

 

 

0.22

 

OUTN

 

OUTP

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

12

PGND

 

PGND

13

 

 

 

 

 

 

C6

 

 

 

 

 

 

 

 

 

 

1

F

 

 

 

 

 

 

 

 

 

 

 

 

 

PowerPAD

 

 

 

 

 

 

 

 

 

 

 

L2

L1

 

 

 

 

 

 

 

 

 

 

(Ferrite

(Ferrite

 

 

 

 

D1

 

 

 

 

Bead)

Bead)

 

 

 

 

 

 

 

 

 

 

 

C15

C14

 

 

 

 

 

 

 

 

 

 

1 nF

1 nF

 

 

 

 

 

 

 

 

 

Bill of Materials, Schematic, and PCB Layers

3-3

Image 21
Contents User’s Guide Important Notice EVM Important Notice EVM Warnings and Restrictions About This Manual Read This FirstInformation About Cautions and Warnings Contents Tables FiguresIntroduction Description TI TPA3001D1 Audio Power Amplifier EVM-Top ViewTPA3001D1EVM Specifications Page Quick Start Precautions ConfigurationQuick Start List for the Platform Power SupplyPlatform Preparations Inputs and OutputsQuick Start Platform Map Power Up Quick Start List for Stand-Alone OperationEvaluation Module Preparations Control Inputs TPA3001D1EVM Gain SettingsBill of Materials, Schematic, and PCB Layers TPA3001D1EVM Bill of Materials TPA3001D1EVM Bill of MaterialsTPA3001D1EVM Schematic Diagram TPA3001D1EVM SchematicTPA3001D1EVM Top Layer TPA3001D1EVM PCB Layers

TPA3001D1EVM specifications

The Texas Instruments TPA3001D1EVM is an evaluation module designed to facilitate the analysis and implementation of high-performance audio amplification solutions. This board is a prominent example of Texas Instruments' commitment to offering innovative technologies that cater to both consumer and professional audio applications.

One of the more significant features of the TPA3001D1EVM is its efficiency. With the capability to deliver up to 30 Watts per channel into a 4-ohm load, the device utilizes Class-D amplifier technology, which stands out due to its high efficiency. Because it operates with reduced power loss, the TPA3001D1EVM is particularly suited for battery-powered applications, thereby enhancing the operational time without sacrificing audio quality.

The module supports various audio input sources, including differential and single-ended inputs, making it versatile enough to be integrated with a wide range of devices. The built-in I2C interface allows for convenient control over the amplifier’s settings, enabling users to customize the device according to their specific audio requirements. This includes features such as volume control and signal processing enhancements, making it a strong candidate for customization in integrated audio systems.

Another impressive characteristic is the integrated protection features. The TPA3001D1EVM comes equipped with built-in thermal shutdown, short-circuit protection, and over-voltage protection, ensuring that the device can operate safely and reliably in various environmental conditions and under different loads. This reliability is essential for both consumer and professional audio applications, where device failure can lead to increased costs and decreased user satisfaction.

The TPA3001D1EVM is designed with a simplified layout that facilitates easy access to test points, making it user-friendly for engineers and developers testing different configurations. Its compact size further enhances its flexibility for integration into a variety of audio equipment, such as televisions, soundbars, and portable speakers.

In summary, the Texas Instruments TPA3001D1EVM offers a robust suite of features that include high efficiency, versatile inputs, smart control options via I2C, and solid protection mechanisms. Coupled with its user-friendly design, this evaluation module presents an ideal solution for both assessing and developing high-quality audio amplification applications. Whether for professional studio equipment or consumer audio products, the TPA3001D1EVM exemplifies Texas Instruments' dedication to audio excellence.