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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
V
SS1
V
SS1
V
SS2
V
DD2
6
1
2
9
810
V
DD2
V
DD1
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.