Philips TDA8928J - Manual (Page 4)

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.