Philips TDA8928J Manual De Usuario

Philips

2004 May 05

4

Philips Semiconductors

Preliminary specification

Power stage 2 x 10 or 1 x 20 W class-D
audio amplifier

TDA8928J

6

BLOCK DIAGRAM

MGX377

handbook, full pagewidth

CONTROL

AND

HANDSHAKE

DRIVER

HIGH

TDA8928J

TEMPERATURE SENSOR

AND

CURRENT PROTECTION

DRIVER

LOW

temp

current

4

7

VSS1

VSS1 VSS2

VDD2

6

1

2

9

8

10

VDD2 VDD1

13

5

CONTROL

AND

HANDSHAKE

DRIVER

HIGH

DRIVER

LOW

14

11

12

17

16

3

15

EN1

DIAG

REL1

SW1

SW2

REL2

POWERUP

EN2

BOOT1

OUT1

STAB

OUT2

BOOT2

Fig.1 Block diagram.