18
ECP5 Versa Development Board
Figure 11. Voltage Regulators
5
5
4
4
3
3
2
2
1
1
D D
C C
B B
A A
Core Power
0.45 v drop at 500 mA max
+1.5v
1.1 A
POWER INPUT
+11v to +16v
1.2v/ms
1.2v/ms
1.2v/ms
Voltage Regulators
+3.3 v
1.35 A
SW
3_3V, +3.3 V, 1.35 A
Power Supply Block Diagram
12_0V
EN
+1.1 v
1.35 A
Vout = 0.8*(R15/R21+1) = 1.10 v
SW
(5A fused)
SW
1_5V, +1.5 V, 1.1 A
EN
VCC_CORE, +1.1 V, 1.35 A
SW
Vout = 0.8*(R8/R13+1) = 3.28 v
Vout = 0.8*(R16/R17+1) = 1.51 v
LDO
SERDES VCCHTX0, +1.1 V, 0.5A
EN
DDR3
3.3V
1.2v/ms
+2.5v
1.1 A
Vout = 0.8*(R7/R9+1) = 2.52 v
2.5V
2_5V, +2.5V, 1.1 A
1.1V
VCC_CORE
1.5V
3.3V
1.1V
Analog
12VIN GOOD
2.5V
Schematic symbols rev 4.1
Schematic symbols rev 4.1
LDO
SERDES VCCA0, +1.1 V, 0.5A
EN
SERDES VCCHTX
1.2V Power
+1.2 v
500 mA
SERDES VCCA
1.1V Power
+1.1 v
500 mA
NC
NC
NC
NC
Right angle
mount, cable
to board edge
2_5V Current 3_3V Current
1_5V Current
1.5V
1_1V Current
VCCA
current
VCCHTX
current
VCCA1
VCCA0
VCCAUX
VCCHTX0
12_0V
12_0VIN 12_0V
12_0V
3_3V 3_3V
3_3V2_5V
VCC_CORE
3_3V 3_3V
1_5V
2_5V
VCC_CORE
3_3V12_0V
VCC_CORE
12_0V
1_5V
12_0V
VCCA
12_0V
12_0VIN
2_5V
2_5V
2_5V
VCCA
VCCHTX
VCCA1
VCCA0
VCCA0
VCCA1
VCCHTX1
3_3V
Date:
Size
Schematic Rev
ofSheet
Title
Lattice Semiconductor Applications
Email: techsupport@Latticesemi.com
Board Rev
Project
C
B
112
Voltage Regulators
ECP5 VERSA Eval Board
B
Friday, August 21, 2015
Date:
Size
Schematic Rev
ofSheet
Title
Lattice Semiconductor Applications
Email: techsupport@Latticesemi.com
Board Rev
Project
C
B
112
Voltage Regulators
ECP5 VERSA Eval Board
B
Friday, August 21, 2015
Date:
Size
Schematic Rev
ofSheet
Title
Lattice Semiconductor Applications
Email: techsupport@Latticesemi.com
Board Rev
Project
C
B
112
Voltage Regulators
ECP5 VERSA Eval Board
B
Friday, August 21, 2015
R7
21_5K-0603SMT
1%
R19
30_1K-0402SMT
C23
100NF-0402SMT
TP5
C6
100NF-0402SMT
C392
10uF-6.3V-0805SMT
RLP-133
R22
1_8K-1206SMT
TP22
C394
1UF-16V-0805SMT
RLP-133
U53
LT3085
OUT_1
1
OUT_2
2
OUT_3
3
SET
4
IN_7
7
IN_8
8
IN_6
6
VCtrl
5
Pad
9
C41
22uF,6.3V-0805SMT
RLP-133
C5
10NF-0402SMT
U54
LT3085
OUT_1
1
OUT_2
2
OUT_3
3
SET
4
IN_7
7
IN_8
8
IN_6
6
VCtrl
5
Pad
9
R67
0.1
cr2010_alt1
1%
R28
10K-0603SMT
D2
1N4448W
21
R20
20K-0402SMT
R17
16_9K-0603SMT
1%
LFE5UM-45F-BG381
U1I
GND
B14
GND
B7
GND
C19
GND
D4
GND
F13
GND
F14
GND
F7
GND
F8
GND
G10
GND
G11
GND
G12
GND
G13
GND
G14
GND
G15
GND
G17
GND
G4
GND
G6
GND
G7
GND
G8
GND
G9
GND
H19
GND
J10
GND
J11
GND
J12
GND
J14
GND
J2
GND
J7
GND
J9
GND
K10
GND
K11
GND
K12
GND
K14
GND
K15
GND
K6
GND
K7
GND
K9
GND
L10
GND
L11
GND
L12
GND
L9
GND
M10
GND
M11
GND
M12
GND
M14
GND
M16
GND
M2
GND
M7
GND
M9
GND
N14
GND
N15
GND
N6
GND
N7
GND
P11
GND
P12
GND
P13
GND
P14
GND
P7
GND
P8
GND
R19
GNDA
U10
GNDA
U11
GNDA
U12
GNDA
U13
GNDA
U14
GNDA
U7
GNDA
U8
GNDA
U9
GNDA
V12
GNDA
V13
GNDA
V14
GNDA
V15
GNDA
V16
GNDA
V19
GNDA
V20
GNDA
V5
GNDA
V6
GNDA
V7
GNDA
V8
GNDA
V9
GNDA
W12
GNDA
W15
GNDA
W16
GNDA
W19
GNDA
W6
GNDA
W7
C8
100NF-0402SMT
R66
0.1
cr2010_alt1
1%
R18
63_4K-0402SMT
1%
TP20
G
D10
LED_GREEN_0603
U4
LT3508EUF
FB2
18
VC2
19
PG2
20
RT/SYNC
22
SHDN
21
FB1
1
TRACK/SS1
2
BOOST1
7
SW1
8
VIN1
9
VC1
24
VIN2
10
PG1
23
SW2
11
BOOST2
12
TRACK/SS2
17
GND5
25
GND6
13
GND7
14
GND4
6
GND3
5
GND2
4
GND1
3
GND8
15
GND9
16
C2
10NF-0402SMT
TP4
FB8
BLM41PG600SN1
L1
4.7uH-SPD62R-472M
TP21
R140
0.01
cr2512_alt11%
C20
10NF-0402SMT
C33
10NF-0402SMT
TP18
R12
51K-0402SMT
U3
LT3508EUF
FB2
18
VC2
19
PG2
20
RT/SYNC
22
SHDN
21
FB1
1
TRACK/SS1
2
BOOST1
7
SW1
8
VIN1
9
VC1
24
VIN2
10
PG1
23
SW2
11
BOOST2
12
TRACK/SS2
17
GND5
25
GND6
13
GND7
14
GND4
6
GND3
5
GND2
4
GND1
3
GND8
15
GND9
16
R23
1_8K-1206SMT
TP23
R184
121K-0603SMT
D5
1N4448W
21
C58
22uF,6.3V-0805SMT
RLP-133
C9
100NF-0402SMT
R15
3_83K-0603SMT
1%
TP19
C60
10pF-0402SMT
DNI
C45
330pF-0402SMT
C24
1UF-16V-0805SMT
C19
1UF-16V-0805SMT
R13
11_5K-0603SMT
1%
C42
22uF,6.3V-0805SMT
RLP-133
F1
F1251CT-ND
5A Fast-Blo SMT Socketed Fuse
LFE5UM-45F-BG381
U1J
VCC
H10
VCC
H11
VCC
H12
VCC
H13
VCC
H8
VCC
H9
VCC
J13
VCC
J8
VCC
K13
VCC
K8
VCC
L13
VCC
L8
VCC
M13
VCC
M8
VCC
N10
VCC
N11
VCC
N12
VCC
N13
VCC
N8
VCC
N9
VCCA0
T6
VCCA0
U6
VCCA1
T15
VCCA1
U15
VCCAUX
F15
VCCAUX
F6
VCCAUX
P15
VCCAUX
P6
VCCAUXA0
V10
VCCAUXA0
V11
VCCAUXA1
V17
VCCAUXA1
V18
RESERVED2
W11
RESERVED1
W10
NC1
K16
NC2
K17
R29
10K-0603SMT
C1
10NF-0402SMT
TP15
R179
220R-0603SMT
C51
10uF,25V-1206SMT
RLP-134
R185
110K-0603SMT
C54
22uF,6.3V-0805SMT
RLP-133
R63
0.1
cr2010_alt1
1%
C103
1UF-16V-0805SMT
+
C18
22UF-16V-TANTBSMT
D3
DFLS220L
12
C62
330pF-0402SMT
C32
1NF-0402SMT
C31
1NF-0402SMT
R26
220R-0603SMT
G
D9
LED_GREEN_0603
D1
1N4448W
21
TP24
TP2
G
D31
LED_GREEN_0603
C21
10NF-0402SMT
C3
10NF-0402SMT
R25
1_8K-1206SMT
L4
4.7uH-SPD62R-472M
+
C104
22UF-16V-TANTBSMT
C64
22uF,6.3V-0805SMT
RLP-133
C28
100NF-0402SMT
C101
1UF-16V-0805SMT
G
D12
LED_GREEN_0603
R27
10K-0603SMT
C38
220NF-0402SMT
16V
C35
1UF-16V-0805SMT
C47
10pF-0402SMT
C4
10NF-0402SMT
R8
35_7K-0603SMT
1%
+
C102
22UF-16V-TANTBSMT
C53
220NF-0402SMT
16V
C55
22uF,6.3V-0805SMT
RLP-133
R24
1_8K-1206SMT
G
D13
LED_BLUE_0603
C29
10NF-0402SMT
R14
51K-0402SMT
D8
DFLS220L
12
R11
34K-0402SMT
1%
C40
22uF,6.3V-0805SMT
RLP-133
C61
10pF-0402SMT
DNI
C43 1000pF-0402SMT
FB4
BLM41PG600SN1
C245
100pF-0402SMT
J11
PJ-002A
Male Power Jack 2.1mm
1
3
2
R16
15K-0603SMT
1%
+
C25
22UF-16V-TANTBSMT
D4
DFLS220L
12
TP25
FB7
BLM41PG600SN1
C57 1000pF-0402SMT
C94
1NF-0402SMT
R70
0.1
cr2010_alt1
1%
Q2
2N2222/SOT23
3
1
2
R6
51K-0402SMT
L3
4.7uH-SPD62R-472M
R64
0.1
cr2010_alt1
1%
+
C36
22UF-16V-TANTBSMT
D14
SCHOTTKY/VISHAY-V12P10
C11
100NF-0402SMT
C52
220NF-0402SMT
16V
R10
51K-0402SMT
TP3
L2
4.7uH-SPD62R-472M
C27
1UF-16V-0805SMT
C30
100NF-0402SMT
Q3
2N2222/SOT23
3
1
2
C49
22uF,6.3V-0805SMT
RLP-133
D6
1N4448W
21
C59
330pF-0402SMT
C247
100NFX5R-0402SMT
R9
10K-0603SMT
1%
C56 1000pF-0402SMT
C34
100NF-0402SMT
TP16
C39
220NF-0402SMT
16V
TP1
C48
330pF-0402SMT
C50
22uF,6.3V-0805SMT
RLP-133
C248
100NFX5R-0402SMT
Q1
2N2222/SOT23
3
1
2
D7
DFLS220L
12
C7
100NF-0402SMT
C95
10NF-0402SMT
C46
10pF-0402SMT
R21
10K-0603SMT
1%
+
C26
22UF-16V-TANTBSMT
TP17
C246
100pF-0402SMT
C37
10uF,25V-1206SMT
RLP-134
C44 1000pF-0402SMT
C22
100NF-0402SMT
C391
1UF-16V-0805SMT
RLP-133
G
D11
LED_GREEN_0603
FB2
BLM41PG600SN1
C393
10uF-6.3V-0805SMT
RLP-133
FB3
BLM41PG600SN1
C63
22uF,6.3V-0805SMT
RLP-133
To Next Page
Loading...