Philips Semiconductors
Product specication
I2C-bus controlled 4 45 Watt power
amplier and multiple voltage regulator
TDA8589J; TDA8589xJ
BLOCK DIAGRAM
36
37
REGULATOR 2
BUCAP
REG2
TEMPERATURE &
LOAD DUMP
PROTECTION VOLTAGE
REFERENCE
VOLTAGE
BACKUP
SWITCH
REGULATOR
35
VP
REGULATOR 1
REGULATOR 3
REGULATOR 4
30
31
33
34
29
27
REG1
REG3
REG4
REG5
SW1
TDA8589
ENABLE
LOGIC
REGULATOR 5
SWITCH 1
Vreg2
SWITCH 2
SW2
40
s
28
RESCAP
26
32
RST
GND
20
6
VP1
VP2
2
4
SDA
SCL
25
DIAG
I2C-BUS
INTERFACE
22
STB
STANDBY/ MUTE
CLIP DETECT/ DIAGNOSTIC
9
7
11
15
12
14
MUTE
MUTE
MUTE
MUTE
OUT1
OUT1
IN1
IN2
IN3
IN4
26 dB/
20 dB
PROTECTION/
DIAGNOSTIC
17
19
OUT2
OUT2
26 dB/
20 dB
PROTECTION/
DIAGNOSTIC
5
3
OUT3
OUT3
26 dB/
20 dB
PROTECTION/
DIAGNOSTIC
21
23
OUT4
OUT4
26 dB/
20 dB
V
P
PROTECTION/
DIAGNOSTIC
TEMPERATURE & LOAD
DUMP PROTECTION
AMPLIFIER
10
SVR
13
SGND
16
8
1
18
24
PGND1
PGND3
ACGND
PGND2/TAB
PGND4
Fig.1 Block diagram.
5
2004 Feb 24
NXP [ NXP ]
