Philips TDA8928J Car Amplifier User Manual


 
2004 May 05 11
Philips Semiconductors Preliminary specification
Power stage 2 x 10 or 1 x 20 W class-D
audio amplifier
TDA8928J
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15 TEST AND APPLICATION INFORMATION
d
book, full pagewidth
12 k
15 nF
MGX379
15 nF
100
nF
CONTROL
AND
HANDSHAKE
DRIVER
HIGH
TDA8928J
TEMPERATURE SENSOR
AND
CURRENT PROTECTION
DRIVER
LOW
temp
current
4
7
V
SS1
V
SS1
V
REL2
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
2V
P
OUT1
STAB
OUT2
V
OUT2
V
OUT1
BOOT2
12 V
V
V
V
V
SW2
V
REL1
V
V
SW1
V
EN
V
DIAG
V
V
STAB
V
12 V
0
12 V
0
Fig.4 Test diagram.