HOLT ADK-2130mPCIe Technical Manual page 40

5
E
3V3aux PCIe Edge Gold Fingers 26x2
J1
C4 3V3aux 2 1
.1uf 4 3
6 5
8 7
10 9
12 11
REFCLK-
14 13
REFCLK+
16 15
18 17
sys_rst_n 20 19
R6 15
22 21
24 23
PERn0
26 25
PERp0
28 27
D
30 29
32 31
PETn0
34 33
PETp0
36 35
38 37
40 39
42 41
44 43
46 45
48 47
50 49
52 51
C14
+1V5
.1uf
C
B
Where possible parts were selected
for bottom height requirement < 1.35mm
to allow back side placement.
A
5
4
PCIe Interface
8-10 layers: Each pair 85 ohms +/- 15% differential impedance.
Microstrip design on top layer using Saturn PCB tool.
C6 0.01uF
U2E
C10 0.01uF
A8
MGTREFCLK0N_216
B8
C70 0.22uF
MGTREFCLK0P_216
D1
MGTPTXN0_216
C71 0.22uF
D2
MGTPTXP0_216 MGTREFCLK1P_216
MGTREFCLK1N_216
A4
C11 0.22uF
MGTPRXN0_216
B4
MGTPRXP0_216
C12 0.22uF
3V3aux
XC7A12T-2CPG238
VCCAUX_1V8
MGTAVCC1V
MGTAVTT1V2
4
3
3V3aux
R1
U1
511K
14
RUN1
3
RUN2
10
RUN3
2
PGOOD1
4
PGOOD2
3X3 QFN
LTC3545EUD#PBF
B2
MGTPTXP1_216
A2
MGTPTXN1_216
B6
MGTPRXP1_216
A6
MGTPRXN1_216
B10
A10
C7
MGTRREF_216
MGTAVTT1V2
R7 100 1/10W 1%
VCCINT_1V
VCCINT_1V
VCCAUX_1V8
VCCO3V3
VCCO3V3
MGTAVCC1V
MGTAVTT1V2
3V3aux
3V3aux
GND
Note 1:
Distribute power over planes to where they need to go under the
FPGA as much as possible.
3
2
Power Supplies: 1V, 1.8V, 3.3V
C1
10uF
1 SW1
SW1
L1 1.5uH
13 VFB1 C2 R2
VFB1
10uF 226K
R3
340K
5
SW2
12
VFB2
L2 1.5uH
C7
10uF
R5
R4
8 SW3 10pF
511K
SW3
255K
11 VFB3
VFB3
RE: L1 and L2: 3V3 Power Sequence Switch
Prefer using original inductor PN's.
But if size is limiting, use this alternate
PN: Digi 587-3231-1-ND. L1 is more
important to use original.
+1V5
C15
1uF Power Supplies: GBT 1V, 1.2V
U3
3 5
EN OUT
4
NC
C16
LD39015 SOT23-5L
1uF
+1V5
C18
1uF
U4
3 5
EN OUT
4 C19
NC
1uF
LD39015 SOT23-5L
Title Title Title
Holt PCIe-Mini dual MIL-STD 1553 Holt PCIe-Mini dual MIL-STD 1553 Holt PCIe-Mini dual MIL-STD 1553
Size Size Size Document Number Document Number Document Number
B B B <Doc> <Doc> <Doc>
Date: Date: Date: Thursday, January 16, 2020 Thursday, January 16, 2020 Thursday, January 16, 2020
2
1
VCCINT_1V
FB1
Note 1
E
C3
C5
2.2uF 6.3V
10pF
VCCAUX_1V8
Note 1
FB2
C9
C8
2.2uF 6.3V
D
VCCO3V3
Q1 SI2347DS
3V3aux 2 3
green
PWR
D1
R8
R9
330
3.3K
C13
10uF
R10
470
1
MMBT3904TT1G SC-75
R11
Q2 C
10K
MGTAVCC1V
FB3
FERRITE BEAD
C17
2.2uF 6.3V
Note 1
B
MGTAVTT1V2
FB4
Note 1
FERRITE BEAD C20
2.2uF 6.3V
A
R e v R e v R e v
A A A
Sheet Sheet Sheet 1 1 1 o f o f o f 5 5 5
1