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