Texas Instruments TPA2025D1 Скачать руководство пользователя страница 5

1

OUT+

OUT-

1

1000pfd/50V

2

C7

1

1000pfd/50V

2

1

C8

GND

GND

GND

Vdd

GND

GND

4700pfd/50V

C9

1

2

4700pfd/50V

C10

1

2

Vdd

GND

DNP

R8

2

1

DNP

C4

2

1

100K

R5

2

1

DNP

1

2

R7

GND

VDD

1

Vdd

GND

1

GND GND GND GND

0.5in

0.5in

0.5in

0.5in

0.5in

0.5in

0.5in

0.5in

1

2

3

IN

100ohms/4A

2

1

FB1

MPZ2012S101A

100ohms/4A

2

1

FB2

MPZ2012S101A

S1

2

1

10ufd/10V

C3

1

2

1.00K

1

2

R4

22ufd/10V

C5

2

1

DNP

6.8V

D1

D3

A

1

A

2

A

3

B1

B2

B

3

C1

C2

C3

D

1

D

2

D3

U1

C2

B2

A

1

A

2

B

3

C1

B1

A

3

D

1

D

2

C3

AG

ND

PG

ND

BG

ND

EN

AGC

IN+

OUT-

OUT+

P

V

D

D

V

B

A

T

S

W

GND

GND

1

2

3

AGC

DNP

1

2

C6

TVS2

DNP

TVS1

DNP

GND

GND

0.0

1

2

R100

2

1

0.0

R101

2.2uH

1

2

L1

GND

1

2

JP SE

GND

FLT OUT-

GND

C11

2

1

0.1ufd/16V

GND

GND

TP2 GND

TP1 GND

FLT OUT+

1.0ufd/10V

1

2

C1

1.0ufd/10V

1

2

C2

C12

2

1

0.1ufd/16V

GND

TPA2025D1YZG

STANDOFF HARDWARE

1

2

3

www.ti.com

Reference

3

Reference

This section includes the EVM schematic, board layout reference, and parts list.

3.1

TPA2025D1EVM Schematic

Figure 1. TPA2025D1EVM Schematic

5

SLOU310

September 2011

TPA2025D1 Audio Power Amplifier Evaluation Module

Submit Documentation Feedback

Copyright

©

2011, Texas Instruments Incorporated

           

Содержание TPA2025D1

Страница 1: ...r 6 4 EVM Layer 2 7 5 EVM Layer 3 7 6 EVM Bottom Layer 8 List of Tables 1 TPA2025D1EVM Bill of Materials 9 1 Introduction This section provides an overview of the Texas Instruments TI TPA2025D1 audio...

Страница 2: ...points allow the user to connect the outputs of the amplfier through an RC filter for audio measurements Many audio analyzers will not give the correct readings on a Class D amplifier without additio...

Страница 3: ...ce is severe enough it may cause the boost converter to become unstable or cause the TPA2025D1 to reach its current limit at a lower output power than expected Inductor vendors specify currents at whi...

Страница 4: ...oad current load voltage ripple voltage input voltage and switching frequency IPVOUT PVOUT V VDD fboost respectively Insert the maximum allowed ripple voltage into Equation 3 to solve for C A factor o...

Страница 5: ...A3 D1 D2 C3 AGND PGND BGND EN AGC IN OUT OUT PVDD VBAT SW GND GND 1 2 3 AGC DNP 1 2 C6 TVS2 DNP TVS1 DNP GND GND 0 0 1 2 R100 2 1 0 0 R101 2 2uH 1 2 L1 GND 1 2 JP SE GND FLT OUT GND C11 2 1 0 1ufd 16...

Страница 6: ...A2025D1EVM PCB Layers Figure 2 EVM Assembly Layer Spacer Figure 3 EVM Top Layer 6 TPA2025D1 Audio Power Amplifier Evaluation Module SLOU310 September 2011 Submit Documentation Feedback Copyright 2011...

Страница 7: ...Reference Figure 4 EVM Layer 2 Spacer Figure 5 EVM Layer 3 7 SLOU310 September 2011 TPA2025D1 Audio Power Amplifier Evaluation Module Submit Documentation Feedback Copyright 2011 Texas Instruments In...

Страница 8: ...B Reference www ti com Figure 6 EVM Bottom Layer 8 TPA2025D1 Audio Power Amplifier Evaluation Module SLOU310 September 2011 Submit Documentation Feedback Copyright 2011 Texas Instruments Incorporated...

Страница 9: ...58 1 DIGI KEY TAIYO YUDEN ROHS CAP SMD0603 CERM 0 1UFD 16V 10 X7R 7 ECJ 1VB1C104K 2 C11 C12 PCC1762CT DIGI KEY PANASONIC ROHS CAP SMD0603 CERM 1 0UFD 10V 10 X5R 8 GRM185R61A105KE36D 2 C1 C2 490 3893 1...

Страница 10: ...INT WHITE ROHS DIGI KEY ELECTRONICS KEYSTONE 20 5001 2 TP1 GND TP2 GND 5001K PC TESTPOINT BLACK ROHS DIGI KEY ELECTRONICS KEYSTONE 21 5000 1 FLT OUT 5000K PC TESTPOINT RED ROHS DIGI KEY ELECTRONICS ST...

Страница 11: ...t This notice contains important safety information about temperatures and voltages For additional information on TI s environmental and or safety programs please contact the TI application engineer o...

Страница 12: ...ncy energy and has not been tested for compliance with the limits of computing devices pursuant to part 15 of FCC or ICES 003 rules which are designed to provide reasonable protection against radio fr...

Страница 13: ...na type and its gain should be so chosen that the equivalent isotropically radiated power e i r p is not more than that necessary for successful communication This radio transmitter has been approved...

Страница 14: ...roduct only after you obtained the license of Test Radio Station as provided in Radio Law of Japan with respect to this product or 3 Use of this product only after you obtained the Technical Regulatio...

Страница 15: ...property damage personal injury or death If there are questions concerning these ratings please contact a TI field representative prior to connecting interface electronics including input power and in...

Страница 16: ...egulatory and safety related requirements concerning its products and any use of TI components in its applications notwithstanding any applications related information or support that may be provided...

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