TPA3116D2_15 Datasheet, PDF (26/41 Pages) Texas Instruments – TPA3116D2 15-W, 30-W, 50-W Filter-Free Class-D Stereo Amplifier Family With AM Avoidance

TPA3116D2, TPA3118D2, TPA3130D2
SLOS708E – APRIL 2012 – REVISED SEPTEMBER 2015
Typical Application (continued)
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PVCC _C57
10nF
1
21
2
GND
GND
PVCC
R10 3.3R
R13
100k
C58 100nF
U1
/SD_LR
IN_P_RIGHT
IN_N_RIGHT
C15
1uF
IN_P_LEFT
IN_N_LEFT
GND
MUTE_LR
GND
C11 1uF
2
1
2
1
C12 1uF
R11
100k
R12
20k
C13 1uF
2
1
2
1
C14 1uF
1
2
R14 100k
GND
1
MODSEL
2
SDZ
3
FAULTZ
4
INPR
5
INNR
6
PLIMIT
7
GVDD
8
GAIN/SLV
9
GND
10
INPL
11
INNL
12
MUTE
13
AM2
14
AM1
15
AM0
16
SY NC
TPA3116D2
PVCC
GND
R73
10k
/SD_SUB
IN_P_SUB
IN_N_SUB
C39
1uF
MUTE_SUB
PVCC
R19
100k
C35 1uF
2
1
2
1
C36 1uF
R20
47k
R21
75k
GND
R22
100k
GND
C41
1nF
GND
U2
1
MODSEL
2
SDZ
3
FAULTZ
4
INPR
5
INNR
6
PLIMIT
7
GVDD
8
GAIN/SLV
9
GND
10
INPL
11
INNL
12
MUTE
13
AM2
14
AM1
15
AM0
16
SY NC
TPA3116D2
PVCC DECOUPLING
C20
C21
C22
1nF
100nF
220uF
OUTPUT LC FILTER
1
2
L7 10uH
C26
680nF
32
PVCC
31
PVCC
30
BSPR
29
OUTPR
28
GND
27
OUTNR
26
BSNR
25
GND
24
BSPL
23
OUTPL
22
GND
21
OUTNL
20
BSNL
19
PVCC
18
PVCC
17
AVCC
GND
C16 220nF
1
2
1
2
C17 220nF
C18 220nF
1
2
1
2
C19 220nF
PVCC
C23
C24
C25
1nF
100nF
220uF
PVCC
GND
PVCC DECOUPLING
PVCC DECOUPLING
GND
C27
680nF
1
2
L8
1
10uH
2
L10 10uH
C28
680nF
GND
C29
680nF
L9
10uH
1
2
C47
C45
C46
1nF
100nF
220uF
32
PVCC
31
PVCC
30
BSPR
29
OUTPR
28
GND
27
OUTNR
26
BSNR
25
GND
24
BSPL
23
OUTPL
22
GND
21
OUTNL
20
BSNL
19
PVCC
18
PVCC
17
AVCC
GND
C42 220nF
1
2
1
2
C43 220nF
C43 220nF
1
2
OUTPUT LC FILTER
1
2
L15 10uH
C51
1uF
GND
1
2
C44 220nF
PVCC
C52
1uF
1
2
L16 10uH
C48
C49
C50
1nF
100nF
220uF
GND
GND
PVCC DECOUPLING
Figure 37. Schematic
EMI C-RC SNUBBER
R15
3.3R
C30
1nF
C34
10nF
GND
C37
10nF
C31
1nF
R16
3.3R
+
4R
-
R17
3.3R
C32
1nF
C38
10nF
GND
C40
10nF
C33
1nF
R18
3.3R
+
4R
-
EMI C-RC SNUBBER
R23
3.3R
C53
1nF
C55
10nF
GND
C56
10nF
C54
1nF
R24
3.3R
+
2R
-
8.2.1 Design Requriements
DESIGN PARAMETERS
Input voltage range PVCC
PWM output frequencies
Maximum output power
EXAMPLE VALUE
4.5 V to 26 V
400 kHz, 500 kHz, 600 kHz, 1 MHz or 1.2 MHz
50 W
26
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