TDF8553J NXP Semiconductors, TDF8553J Datasheet - Page 38

• Manufacturer Part Number: TDF8553J
• Description: I2C-bus controlled 4 X 50 Watt power amplifier and multiple voltage regulator
• Manufacturer: NXP Semiconductors

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NXP Semiconductors
12. Application information
TDF8553J_1
Objective data sheet
Fig 26. Test and application diagram of TDF8553J
(1) See
The value of ACGND capacitor must be close to 4
EMC reasons a 10 nF capacitor can be connected between each amplifier output and ground.
14.4 V
14.4 V/5 V
Section
1000 F
(16 V)
220 F
(16 V)
12.1.
R S
R S
R S
R S
(1)
220 nF
220 nF
470 nF
470 nF
470 nF
470 nF
BUCAP
V
SDA
SCL
STB
DCDC
IN1
IN2
IN3
IN4
V
P
36
35
26
2
4
22
11
15
12
14
V
BACKUP
SWITCH
22 F
P
STANDBY/ MUTE
SVR
10
ENABLE
LOGIC
13
SGND
(4
Rev. 01 — 3 December 2008
MUTE
MUTE
MUTE
MUTE
470 nF)
INTERFACE
2.2 F
I
2
REFERENCE
C-BUS
VOLTAGE
4
ACGND
16
the value of capacitor connected to the positive input of each channel; for
26 dB/
20 dB
26 dB/
20 dB
26 dB/
20 dB
26 dB/
20 dB
50 Watt power amplifier and multiple voltage regulator
TEMPERATURE & LOAD
CLIP DETECT/ DIAGNOSTIC
TDF8553J
DUMP PROTECTION
8
PGND1 PGND2/TAB PGND3 PGND4
REGULATOR 6
REGULATOR 2
REGULATOR 1
REGULATOR 3
REGULATOR 4
REGULATOR 5
SWITCH 1
SWITCH 2
PROTECTION VOLTAGE
AMPLIFIER
PROTECTION/
PROTECTION/
PROTECTION/
PROTECTION/
TEMPERATURE &
DIAGNOSTIC
DIAGNOSTIC
DIAGNOSTIC
DIAGNOSTIC
1
REGULATOR
LOAD DUMP
18
24
coa071
28 REG6
37 REG2
30
31
33
34
29
27
32
20
25
17
19
21
23
6
9
7
5
3
REG1
REG3
REG4
REG5
SW1
SW2
GND
V
V
DIAG
OUT1
OUT1
OUT2
OUT2
OUT3
OUT3
OUT4
OUT4
P1
P2
10 F
(50 V)
10 F
(50 V)
10 F
(50 V)
10 F
(50 V)
10 F
(50 V)
10 F
(50 V)
10 F
(50 V)
10 F
(50 V)
10 k
220
nF
100 nF
100 nF
100 nF
100 nF
100 nF
100 nF
100 nF
100 nF
(1)
220
nF
TDF8553J
microcontroller
bus controller
microcontroller
audio
mechanical
digital
mechanical
drive
display
amplifiers
aerial
motor
2200 F
(16 V)
14.4 V
© NXP B.V. 2008. All rights reserved.
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