S i 8 4 x x I S O - E V B U G
Rev. 0.3
9
5. Si84xx5kVISO Evaluation Board Schematics
VDD1(5V)
VDD2(5V)
VDD1(5V)
VDD2(5V)
VDD1(5V)
VDD2(5V)
VDD1(5V)
VDD2(5V)
Si8400 Populated
Si8421 Populated
Si8442 Populated
Si8463 Populated
TP17
WHITE
TP17
WHITE
TP36
WHITE
TP36
WHITE
ISOLATION
U3
Si8442
ISOLATION
U3
Si8442
VDD1
1
VDD2
16
GND2
9
GND1
8
GND1
2
GND2
15
A1
3
A2
4
B3
12
B4
11
A3
5
A4
6
B1
14
B2
13
EN1
7
EN2
10
TP3
WHITE
TP3
WHITE
R4
1K
R4
1K
J3
JUMPER
J3
JUMPER
1
2
TP34
WHITE
TP34
WHITE
TP11
WHITE
TP11
WHITE
ISOLATION
U1
Si8400
ISOLATION
U1
Si8400
AVDD
1
BVDD
8
BSCL
6
AGN
D
4
ASCL
3
BGN
D
5
ASDA
2
BSDA
7
C6
1uF
C6
1uF
TP25
WHITE
TP25
WHITE
R8
1K
R8
1K
TP1
WHITE
TP1
WHITE
TP6
WHITE
TP6
WHITE
TP39
WHITE
TP39
WHITE
TP2
WHITE
TP2
WHITE
TP15
WHITE
TP15
WHITE
TP35
WHITE
TP35
WHITE
TP14
WHITE
TP14
WHITE
J2
JUMPER
J2
JUMPER
1
2
C7
1uF
C7
1uF
TP30
WHITE
TP30
WHITE
TP38
WHITE
TP38
WHITE
R6
1K
R6
1K
TP23
WHITE
TP23
WHITE
R3
1K
R3
1K
C8
1uF
C8
1uF
TP5
WHITE
TP5
WHITE
TP41
WHITE
TP41
WHITE
TP27
WHITE
TP27
WHITE
C3
1uF
C3
1uF
TP10
WHITE
TP10
WHITE
J1
JUMPER
J1
JUMPER
1
2
C2
1uF
C2
1uF
TP13
WHITE
TP13
WHITE
TP42
WHITE
TP42
WHITE
TP29
WHITE
TP29
WHITE
C5
1uF
C5
1uF
TP9
WHITE
TP9
WHITE
TP21
WHITE
TP21
WHITE
R1
1K
R1
1K
TP37
WHITE
TP37
WHITE
ISOLATION
U2
Si8421
ISOLATION
U2
Si8421
VDD1
1
VDD2
8
B2
6
GND1
4
A2
3
GND2
5
A1
2
B1
7
TP33
WHITE
TP33
WHITE
TP32
WHITE
TP32
WHITE
TP20
WHITE
TP20
WHITE
J4
JUMPER
J4
JUMPER
1
2
TP22
WHITE
TP22
WHITE
C4
1uF
C4
1uF
TP19
WHITE
TP19
WHITE
R7
1K
R7
1K
TP8
WHITE
TP8
WHITE
TP16
WHITE
TP16
WHITE
R5
1K
R5
1K
TP24
WHITE
TP24
WHITE
C1
1uF
C1
1uF
R2
1K
R2
1K
TP4
WHITE
TP4
WHITE
TP28TP28
TP7
WHITE
TP7
WHITE
ISOLATION
U4
Si8463
ISOLATION
U4
Si8463
VDD1
1
VDD2
16
GND2
9
GND1
8
A1
2
A2
3
B3
13
B4
12
A3
4
A4
5
B1
15
B2
14
A5
6
B5
11
A6
7
B6
10
TP31
WHITE
TP31
WHITE
TP12
WHITE
TP12
WHITE
TP40
WHITE
TP40
WHITE
TP18
WHITE
TP18
WHITE
TP26
WHITE
TP26
WHITE
Fig
ure
8.
Si84x
x5kVISO Evaluatio
n Board Schema
tic (1 of
2)