Board Layouts, Schematic, and Bill of Materials
5.2
TAS5548EVM Schematic
TAS5548DCA EVALUATION BOARD
+5V-USB
C
PUR
Q1
MMBT2222A
SOT23-DBV3
40V,1A
E
USB-IN
Case
GND
ID_NC
Data+
Data-
5v
MICRO B
5
4
3
2
1
FB1
220ohms/2A
0603
R1
15.0K
0402 1/16W
B
U1
R6
R5
+3.3V
10.0K
0402
10.0K
0402
C22
56
55
54
0.1ufd/16V
0402 X7R
C11
+3.3V
4700pfd/25V
0402 X7R
C13
4700pfd/25V
0402 X7R
1
2
3
4
5
6
R2
DATA+
DATA-
FB2
220ohms/2A
0603
R3
27.4
0402
1.50K
0402
DP
C1
47pfd/50V
0402
R17
GND
0.0
0402
U4
1
2
3
4
24LC256-I/MS
MSOP8-MS
+3.3V
8
7
6
5
R18
0.0
0402
C12
GND
+3.3V
0.047ufd/16V
0402 X7R
R20
470
0402
C14
0.047ufd/16V
0402 X7R
R21
470
0402
+3.3V
53
52
51
50
49
48
47
46
45
44
43
42
41
GND
DNP
PWM
1
2
3
4
C23
0.1ufd/16V
0402 X7R
R7
4.99K
0402
GND
R4
GND
27.4
0402
GND
DM
C2
47pfd/50V
0402
R8
+3.3V
4.99K
0402
GND
GND
7
5
6
7
+3.3V
+3.3V
C15
10.0ufd/10V
0603 X5R
8
C16
0.1ufd/16V
0402 X7R
9
GND
R9
+3.3V
100K
0402
8
9
10
+3.3V
+3.3V
C3
1.0ufd/10V
0402 X5R
R11
3.09K
0402
R22
15.0K
0402 1/16W
C6
C4
0.1ufd/16V
0402 X7R
10
11
12
R10
1.0M
0402
GND
12
11
10
9
8
7
6
5
4
3
2
1
C7
100pfd/50V
0402 NPO
GND
C17
GND
GND
11
8+
8-
GND
7+
7-
GND
4+
4-
GND
3+
3-
GND
GND
P3.0
13
14
15
48
47
46
45
44
1000pfd/16V
0402 X7R
4
GND
1mm
GND
OSC1
Vcc
OE
OUT GND
6.0MHz/3.3V
SMT-625
1
2
33pfd/50V
0402 COG
GND
13
+3.3V
GND
C18
33pfd/50V
0402 COG
Y2
12.288 MHz
ABM8G
R23
1.0M
0402
GND
14
15
16
R12
+5V-USB
511
0402
USB LOCK
XTALI
3
R34
30.0K
0402
OUTL
C36
47pfd/50V
0402
R40
10
0402
HPL
C40
1000pfd/16V
0402 X7R
Blue/2.9V
0402
16
17
GND
18
19
U2
TAS1020BPFB
TQFP48-PFB
GND
SCL
SDA
GND
+3.3V
C19
0.1ufd/16V
0402 X7R
43
42
41
40
39
38
37
C60
17
18
19
20
21
22
40
39
38
37
36
35
34
33
32
31
30
29
10.0ufd/10V
0603 X5R
DNP
R24
47.0
0402
MCLK
R30
30.0K
0402
LIN-
R35
43.0K
0402
+3.3V
INL-
C41
GND
1.0ufd/10V
0402 X5R
+3.3V
20
21
22
23
24
GND
SDA
SDIN1
SCL
C61
10.0ufd/10V
0603 X5R
C34
180pfd/50V
0402 NPO
MCLK01
CDATO
CSCLK
R13
47.0
0402
GND
INL+
C37
47pfd/50V
0402
14
13
12
11
10
9
8
R31
30.0K
0402
LIN+
R36
43.0K
0402
GND
HEAD
PHONE
OUTPUT
HPOUT
Shield
SDIN1
25
26
27
28 29
30
31 32
33
34
35
36
23
24
U3
GND
TSSOP14-PW
TPA6138A2PW
C42
1.0ufd/10V
0402 X5R
2
3
1
LEFT
RIGHT
+3.3V
GND
R14
47.0
0402
25
26
27
28
C62
GND
10.0ufd/10V
0603 X5R
R32
30.0K
0402
RIN+
R37
43.0K
0402
INR+
C38
47pfd/50V
0402
1
2
3
4
5
6
7
GND
3.5mm
GND
C43
1.0ufd/10V
0402 X5R
C35
180pfd/50V
0402 NPO
C20
LRCLK
CSYNC
R15
47.0
0402
10.0ufd/10V
0603 X5R
C21
0.1ufd/16V
0402 X7R
TAS5548DCA
HTSSOP56-DCA
C63
10.0ufd/10V
0603 X5R
R33
30.0K
0402
RIN-
R38
43.0K
0402
GND
INR-
GND
C39
47pfd/50V
0402
LRCLK
SCLK
SCLK
SDOUT
SDOUT
GND
GND
U1
TAS5548DCA
HTSSOP56-DCA
PowerPAD
R39
R26
+3.3V
10.0K
0402
30.0K
0402
OUTR
R41
10
0402
HPR
C44
1000pfd/16V
0402 X7R
R16
+3.3V
+5V-USB
6
47.0
0402
GND
VALID
0402
Green/2.1V
VALID
R27
360
0402
VR1
1
5
2
R28
R25
C9
C8
0.01ufd/16V
0402 X7R
0.0
0603
47.0
0402
GND
GND
C5
1.0ufd/16V
0603 X7R
4
3
SON6-DRV
2.2ufd/10V
0603 X7R
+3.3V
C25
C24
10.0ufd/10V
0603 X5R
GND
GND
TPS73533DRV
GND
0.1ufd/16V
0402 X7R
VR1
TPS73533DRV
SON6-DRV
PowerPAD
DNP
1
+3.3V
3.3V
+3.3V
0402
Red/2.0V
360
0402
GND
R19
+3.3V
GND
C50
10.0ufd/10V
0603 X5R
GND
DECOUPLING
+3.3V
C51
0.1ufd/16V
0402 X7R
GND
5V to 3.3V LDO
J1
2mm
2
+3.3V
C52
0.1ufd/16V
0402 X7R
+3.3V
C53
0.1ufd/16V
0402 X7R
+3.3V
C54
0.1ufd/16V
0402 X7R
+3.3V
C55
0.1ufd/16V
0402 X7R
GND
GROUND
TESTPOINTS
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
TI
PAGE INFO:
MAIN SCHEMATIC
DESIGN LEAD
TUAN LUU
SEPTEMBER 19, 2012
DATE
FILENAME
TAS5548EVM_RevB.sbk
B
SCH REV
B
PCB REV
SHEET
1
OF
3
DRAWN BY
LDN
Figure 11. TAS5548EVM Schematic
SLOU351B – October 2012 – Revised August 2013
Copyright © 2012–2013, Texas Instruments Incorporated
TAS5548-5558EVM
9
TI [ TEXAS INSTRUMENTS ]
