Texas Instruments TPA3255EVM, Руководство пользователя

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Q2
+12V
GND GND
Orange
D2
OTW
+12V
GND GND
MONITORS
100
R33
100
R35
FAULT
1µF
250V
C24
GND GND
GND
3.3
R11
GND GND
GND
3.3
R14
GND GND
GND
3.3
R18
GND GND
GND
3.3
R22
GND
PVDD
GND
GND
PVDD
PWMA
PWMB
PWMC
GND GND
GND GND
RESET
VBG
J21
CSTART
GND
GND GND
1µF C40
0.1uF
C14
GND
0
R3
GVDD_AB
0.1uF
C22
+12V
GND
1
2
3
J6
3.3V
1
2
3
J5
3.3V
M1
GND
GND
M1
M2
+12V
INPUT_A
INPUT_B
INPUT_A
INPUT_B
INPUT_C
INPUT_D
GND
3.3V
SLAVE MODE
20.0k R16
MASTER MODE
MASTER MODE AM1
MASTER MODE AM2
GND
FREQUENCY
22.0k
R13
ADJUST
PWMD
C_START
INPUT_D
INPUT_C
47k
R24
1.00k
R29
1.00k
R31
0.1µF
C68
GND
100pF
C64
100
R23
GND
100pF
C58
100
R19
GND
100pF
C30
100
R10
GND
100pF
C19
100
R5
GND
3.3V
IN = SE
OUT = BTL
H1
GND
J20
GNDCD
PWMA
PWMB
PWMC
PWMD
OUTA
OUTB
OUTC
OUTD
1 2
3 4
5 6
7 8
J16
OA
OB
OC
OD
GND
1µF
C77
DNP
DNP
3.3
R54
DNP
DNP
GND
GND
GND
GND
1µF
C78
DNP
DNP
1µF
C79
DNP
DNP
1µF
C80
DNP
DNP
TP13
RESETz DNP
TP14
FAULTz DNP
TP1
CLIP_OTWz DNP
TP6
GND
DNP
TP2
PWMA DNP
TP7
PWMC DNP
TP5
PWMB DNP
TP9
PWMD DNP
TP4
PVDD DNP
TP8
PVDD DNP
TP3
OUTA DNP
TP10
OUTB DNP
TP11
OUTC DNP
TP12
OUTD DNP
Hi Current Shunt
J13
DNP
DNP
FAULT
0
R30
GND
0.1uF
C69
GND
GVDD_CD
+12V
0
R1
VDD
GVDD_AB
VDD
GVDD_CD
3.3V
FAULT
CLIP_OTW
GND
OSCILLATOR
SYNC
INTERFACE
4
1
2
3
J17
0.47µF
C50
47k
R28
MODE
SELECTION
4700µF
80V
C31
J22
Hi Current Shunt
J23
Hi Current Shunt
J24
Hi Current Shunt
J25
J2
3.3
R55
DNP
DNP
3.3
R56
DNP
DNP
3.3
R53
DNP
DNP
1µF C41
TP26
FREQ_ADJ DNP
TP25
M1
DNP
TP24
OC-ADJ
DNP
TP21
INB
DNP
TP22
INC
DNP
TP23
IND
DNP
TP18
DVDD
DNP
TP19
AVDD
DNP
TP15
GVDD-AB
DNP
TP16
VDD
DNP
TP17
GVDD-CD
DNP
TP27
VBG DNP
0.01µF
100V
C26
0.01µF
100V
C37
0.01µF
100V
C45
0.01µF
100V
C61
1000pF
100V
C25
1000pF
100V
C36
1000pF
100V
C44
1000pF
100V
C60
0.033µF C27
0.033µF C29
0.033µF C52
0.033µF C54
10µH
L7
DNP
DNP
DNP
DNP
DNP
DNP
DNP
DNP
DNP
DNP
DNP
DNP
DNP
DNP
DNP
TP28
M2
DNP
DNP
DNP
DNP
DNP
DNP
DNP
DNP
DNP
DNP
DNP
DNP
DNP
M2
TP20
INA
DNP
1µF
250V
C35
1µF
250V
C43
1µF
250V
C59
4700µF
80V
C46
10µH
L2
10µH
L3
10µH
L4
10µH
L5
OUTA
OUTB
OUTD
OUTC
INA
INB
INC
IND
FROM ANALOG MUX
MODE PIN SELECTION
M2 M1
0
1
0
1
0
1
0
1
INPUT MODE OUTPUT DESCRIPTION
2N + 1
2N/1N + 1
2N + 1
1N + 1
2xBTL
1xBTL + 2xSE
1xPBTL
4xSE
STEREO BTL OUTPUT, A D MODE
2.1 BTL + SE MODE, AD MODE
PARALLEL BTL OUTPUT, A D MODE
SINGLE ENDED OUTPUT, A D MODE
CLIP_OTW
TO
ANALOG
MUX
GND GND
6
4
5
1 3
S1
RESET
GND
0.1uF
C67
GND
0.1uF
C82
3.30k
R26
GND
+15V
PVDD
100k
R6
GND
GND
1
GND
2
MR
5
RESET
3
VDD
4
U7
TPS3802K33DCKR
GND
RESET CONTROL
RESET-SW
AVDD
14
BST_A
44
BST_B
43
BST_C
24
BST_D
23
VBG
20
C_START
15
DVDD
11
FAULT
19
FREQ_ADJ
8
GND
12
GND
13
GND
25
GND
26
GND
33
GND
34
GND
41
GND
42
GVDD_AB
1
GVDD_CD
22
INPUT_A
5
INPUT_B
6
INPUT_C
16
INPUT_D
17
M1
3
M2
4
OC_ADJ
7
OC_IOM
9
OC_IOP
10
CLIP OTW
21
OUT_A
39
OUT_A
40
OUT_B
35
OUT_C
32
OUT_D
27
OUT_D
28
PVDD_AB
36
PVDD_AB
37
PVDD_AB
38
PVDD_CD
29
PVDD_CD
30
PVDD_CD
31
RESET
18
VDD
2
U4
TPA3255D2DDVR
RESET
RESET-SW
J11
GNDAB
J9
Q1
TO DAUGHTERCARD
CLIP_OTW
FAULT
1500µF
63V
C21
1500µF
63V
C42
1500µF
63V
C56
1500µF
63V
C34
10.0k R15
30.0k R17
0.047µF
C49
CONTROLLER
RESET-SW
9.10k
R32
10.0
R59
DNP
DNP
1000pF
C85
DNP
DNP
GND
10.0
R60
DNP
DNP
1000pF
C86
DNP
DNP
GND
1000pF
C87
DNP
DNP
10.0
R61
DNP
DNP
GND
10.0
R62
DNP
DNP
1000pF
C88
DNP
DNP
GND
1µF
100V
C32
1µF
100V
C33
1µF
100V
C47
1µF
100V
C48
1µF
100V
C83
1µF
100V
C84
Red
D4
FAULT
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Board Layouts, Bill of Materials, and Schematic
19 SLOU441 – July 2016
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TPA3255EVM
Figure 7. TPA3255EVM Schematic 2