Texas Instruments DS90UB921-Q1EVM, Руководство пользователя

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40V
D9
1N5819HW-7-F
22µF
C44
2.2µF
C45
0.1µF
C43
GND
GND
100k
R109
0
R110
0.1µF
C73
4.7µF
C72
10µF
C75
0.1µF
C74
GND
10µF
C79
0.1µF
C78
GND
22µF
C71
3.24k
R108
1
2
J18
5-146261-1
1
2
J20
5-146261-1
1GND
3
1EN
4
1IN
5
1IN
6
2GND
9
2EN
10
2IN
11
2IN
12
2OUT
17
2OUT
18
2RESET
22
1OUT
23
1OUT
24
1RESET
28
EP
29
U8A
TPS767D318PWP GND
0
R113
0.1µF
C77
4.7µF
C76
100k
R112
GND
VDD_EXT
VDD_EXT
VDD5V
VDD33_LDO
VDD1V8_LDO
12V_IN_B4JUMP
NC
1
NC
2
NC
7
NC
8
NC
13
NC
14
NC
15
NC
16
NC
19
NC
20
NC
21
NC
25
NC
26
NC
27
U8B
TPS767D318PWP
22µF
C70
10µF
C68
0.1µF
C67
10.0k
R107
VDD_EXT
GND
GND
1
2
4
3
T1
ACM9070-701-2PL
GND
1
3
2
J13
PJ-102A
1
2
J19
5-146261-1
1 2
J12
5-146261-1
1
2
J22
5-146261-1
10.0k
R103
0 R111
0 R114
29.4k
R106
SH-J12
Assembly Note
ZZ6
Place Jumper on J12
Assembly Note
ZZ8
Place Jumper on J19
SH-J19
SH-J22
Assembly Note
ZZ9
Place Jumper on J22
5V_LDO
J23
6091
J24
6092
J25
6091
GND
VDD33_EXT
VDDIO_EXT
0
R105
VDD18_SW VDDIO VDD33
VDD33_SW
4.7µF
C39
VDD33_EXT VDD33_LDO
100k
R92
GND
3300pF
C57
1µF
C58
10pF
C30
47µF
C51
10µF
C52
0.1µF
C53
GND
GND
GND
0.1µF
C46
124k
R90
22.1k
R91
3.24k
R95
GND
0.1µF
C34
0.1µF
C32
1µF
C33
GND
5V_SW
VDD_EXT
VO
1
VFB
2
VREG5
3
SS
4
GND
5
PG
6
EN
7
PGND1
8
PGND2
9
SW1
10
SW2
11
VBST
12
VIN
13
VCC
14
P
A
D
1
5
U5 TPS54225PWPR
10pF
C31 Undefined
1
2
J15
5-146261-1
1
2
J11
5-146261-1
10.0k
R93
Assembly Note
ZZ7
Place Jumper on J11
SH-J11
1
2
3
J14
TSW-103-07-G-S
5V_SW
5V_LDO
VDD5V
ADJ2
1
MODE/DATA
2
VIN
3
FB1
4
DEF_1
5
SW1
6
EN1
7
GND
8
EN2
9
SW2
10
PAD
11
U6
TPS62410QDRCRQ1
VDD5V
GND
1
2
J16
5-146261-1
10.0k
R97
GND 10.0k
R100
10.0k
R102
DNP
GND
180k
R98
806k
R96
2.2µH
L8
361k
R101
180k
R104
GND
3.3µH
L10
33pF
C65
VDD33_SW
VDD18_SW
VDDIO_EXT
33pF
C60
DNP
0
R99
0
R94
GND
GND
GND
GND
GND
DNI
VDD1V8_LDO
4.7µF
C35
4.7µF
C36
4.7µF
C37
4.7µF
C38
4.7µF
C40
4.7µF
C41
4.7µF
C42
4.7µF
C47
4.7µF
C48
4.7µF
C49
4.7µF
C50
4.7µF
C56
1000 ohm
L7
1000 ohm
L9
4.7µF
C62
4.7µH
L6
IN
3
OUT
5
GND
7
ADJ
8
ON/OFF
1
D
A
P
9
NC
4
NC
6
GND
2
U7
LM2941LD/NOPB
THESE ARE ESD CAPS, ONLY POPULATE 1 EXCEPT CAPL12 WHICH HAS 2
22µF
C61
1 2
3 4
5 6
J17
1 2
3 4
5 6
7 8
J21
VDD33
VDDIO
VDD33
CAPL12
CAPHS_12
CAPP_12
VDD33_C
VDDIO_C
10µF
C59
GND
0.047µF
C64
0.047µF
C54
0.47µF
C55
0.47µF
C63
0.47µF
C69
0.1µF
C7
GND
CMF
0.1µF
C6 DNP
CMF IS 2.5V REGULATOR
CMF
22µF
C66
Copyright © 2016, Texas Instruments Incorporated
Appendix A
www.ti.com
44 SNLU205 – March 2016
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Copyright © 2016, Texas Instruments Incorporated
EVM PCB Schematics