Lattice Semiconductor ECP5 Versa, Руководство пользователя

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23
ECP5 PCI Express Board User’s Guide
5 5
4 4
3 3
2 2
1 1
D
D
C
C
B
B
A
A
Core Power
2.3v minimum input voltage 0.46 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
+1.1 v 1.35 A
Vout = 0.8*(R149/R148+1) = 1.10 v
SW
(5A fused)
SW
1_5V, +1.5 V, 1.1 A VCC_CORE, +1.1 V, 1.35 A
SW
Vout = 0.8*(R171/R170+1) = 3.28 V
Vout = 0.8*(R147/[R146]+1) = 1.49 V
LDO
SERDES 1_2V, +1.2 V, 500mA
MIPI Rx 1.5V Power
3.3V
1.2v/ms
+2.5v 1.1 A
Vout = 0.8*(R155/R154+1) = 2.52 v
2.5V
2_5V, +2.5V, 1.1 A
1.2V VCC_CORE
1.5V
3.3V
1.2V Analog
12VIN GOOD
2.5V
+1.2 v 500 mA
+1.2 v 500 mA
Freq = 1.0 MHz
Freq = 625 KHz
LDO
LPDDR3 VDD1 1_2V, +1.2 V, 500mA
+1.8 v 100 mA
LPDDR3 VDD1 1.8V Power
SERDES 1_1V, +1.1 V, 500mA
LPDDR3 1.2V Power
SERDES 1.2V Power
SERDES VCCA 1.1V Power
+1.2 v 500 mA
LPDDR3 VDD1 1_8V, +1.8 V, 100mA
LDO
Wall12_0V
12_0V
12_0V
12_0V
12_0V
12_0V
12_0V
12_0V
3_3V
3_3V
3_3V 3_3V
3_3V
3_3V
2_5V
2_5V
1_2V
1_1V
1_5V
VOUT-1_2V
1_5V
1_2V
VOUT-1_2V
3_3V
3_3V
3_3V
1_8V
2_5V
VOUT-1_1V
Date: Size
Schematic Rev
of
Sheet
Title
Lattice Semiconductor Applications
Email: techsupport@Latticesemi.com
Board Rev
Project
Nov, 2012
C
B
28
5
Power Supplies
PCI Express Board
B
Date: Size
Schematic Rev
of
Sheet
Title
Lattice Semiconductor Applications
Email: techsupport@Latticesemi.com
Board Rev
Project
C
B
28
5
Power Supplies
B
Date: Size
Schematic Rev
of
Sheet
Title
Lattice Semiconductor Applications
Email: techsupport@Latticesemi.com
Board Rev
Project
C
B
28
5
Power Supplies
B
R324
1.8K
R1206
Q9
2N2222
C97
10uF
C1206
C61
1nF
C0402
R209 0
R154
10K
R0603 D22 SCHOTTKY/VISHAY-V12P10
C333
22uF
C0805
R175 0
D13
Green
D0603
R181 0 DNI
U21 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
GND 5
25
GND 6
13
GND 7
14
GND 4
6
GND 3
5
GND 2
4
GND 1
3
GND 8
15
GND 9
16
C54
10pF
DNI
C0402
R149 3.83K
R0603
L4
4.7uH-CDRH5D
R159 51K
R0603
L2
4.7uH-CDRH5D
+
C71
10uF_T
C47 220nF C0402
C392 10uF C0805
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
Q8
2N2222
C74 220nF C0402
R418
1.8K
R1206
C69 10uF
C1206
D23
DFLS220L
1 2
D17
Green
DI
D0603
C78
330pF
DI
C0402
R151
63.4K
R0603
R171 35.7K R0603
C283
22uF
C0805
U51 LT1761ES5-1.8
IN
1
GND
2
SHDN#
3
BYP
4
OUT
5
R169
51K
R0603
C77
10pF
C0402
C88
3.3uF
C0805
Q10
2N2222
C314
22uF
C0805
C79 1nF
C0402
C391 1uF C0805
D16
1N4448W
2 1
C315
22uF
C0805
R148
10K
R0603
D20 Green DI D0603
C271
22uF
C0805
F1
F1251CT-ND
5A Fast-Blo SMT Socketed Fuse
C51 100pF DI C0603
D21
DFLS220L
1 2
U20 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
GND 5
25
GND 6
13
GND 7
14
GND 4
6
GND 3
5
GND 2
4
GND 1
3
GND 8
15
GND 9
16
C313
22uF
C0805
TP30
R156 30.1K
R0603
R155 21.5K R0603
R177 0 DNI
C94 0.1uF
D14
DFLS220L
1 2
C49
1nF
C0402
C89
0.01uF
R146 5.76K R0603
R208 51K
R0603
D27
Green
D0603
C64
10pF
C0402
R347 10K R0603
C48 220nF C0402
R389
1.8K
R1206
C95
3.3uF
C0805
R163
34K
R0603
C62 220nF C0402
R184 110K
C55
330pF
DI
C0402
R417 220 R0603
L1
4.7uH-CDRH5D
C299
22uF
C0805
J11
PJ-002A Male Power Jack 2.1mm
1
3
2
R158
20K
R0603
R210
0
C50
1nF
C0402
C52
100pF
C0603
R164 51K
R0603
D24
1N4448W
2 1
D26
Green
D0603
R416 220 R0603
C270
22uF
C0805
R147 4.99K
R0603
R183 0
D15
DFLS220L
1 2
C53
10pF
DNI
C0402
D19
1N4448W
2 1
R170
11.5K DI R0603
TP29
L3
4.7uH-CDRH5D
DI
C65
330pF
C0402
TP27
D18
1N4448W
DI
2 1
C389
22uF
C0805
R384 10K R0603
C87
10uF
C1206
R373
1.8K
R1206
C90 1uF C0805
C390
22uF
C0805
D25
Green
DI
D0603
TP28
C96 0.01uF
C91
0.01uF
C56
330pF C0402
U22
LT3029EDE
BYP1
1
VIN1_13
13
BYP2
8
ADJ2
9
GND
5
ADJ1
16
EN
15
VOUT1
4
EN2
10
VOUT2
7
VIN2
12
VOUT1_3
3
VOUT2_6
6
VIN1
14
VIN2_11
11
NC
2
GND_PAD
17
C46
10uF
C1206
R419 10K R0603