Microchip Technology ADM00592, User Manual

Page: 49 / 56

Sc
he
ma
tic and Lay
outs

2015
Micr
ochip T
e
ch
nol
ogy
I
n
c.
DS
50002376A
-page 49
A.3 BOARD – USB BRIDGE AND SIG GEN SCHEMATIC
GP1 GP3
+3.3V
V
DD
+5V_USB
+5V_USB
V
DD
+5V_USB
Steady state current generator Waveform Current Generator
V
DD
Power
USB Power
OUT
IDEMO
#READ/INT
SMBUS_DATA
SMBUS_CLK
Idemo
Idemo
SMBus_CLK
SMBus_DATA
#READ/INT
SMBusCLK
SMBusDATA
ID
4
V
BUS
1
GND
5
D-
2
D+
3
0
USB MINI-B Female
P1
0.47
μ
F
6.3V
0603
C10
SMBusDATA
SMBusCLK
+3.3V
+3.3V
+3.3V
+3.3V
RX
TX
GP2
GP3
GP0
GP1
RESET
+3.3V
+3.3V
+3.3V
GP0
Rubber Pad Cyl D7.9H5.3
PAD1
Rubber Pad Cyl D7.9H5.3
PAD2
Rubber Pad Cyl D7.9H5.3
PAD3
Rubber Pad Cyl D7.9H5.3
PAD4
D-
D+
V
BUS
1k
0603
1%
R20
1k
0603
1%
R21
12.1k
0603
1%
R18
12.1k
0603
1%
R19
12.1k
0603
1%
R26
1M
0603
1%
R27
3.32k
0603
1%
R44
12.1k
0603
1%
R41
7.5k
0603
1%
R43
12.1k
0603
1%
R50
15.4k
0603
1%
R40
20R
0603
1%
R70
120R
0603
1%
R37
3.32k
0603
1%
R47
12.1k
0603
1%
R48
7.5k
0603
1%
R46
12.1k
0603
1%
R51
15.4k
0603
1%
R49
20R
0603
1%
R72
120R
0603
1%
R38
0.022
μ
F
50V
0603
C14
2200 pF
50V
0603
C13
100 pF
50V
0603
C21
10
μ
F
10V
0603
C4
RED
LD2
RED
LD1
FB1
2200 pF
50V
0603
C12
2200 pF
50V
0603
C9
Shunt 2.54 mm 1x2 Handle
JP9
Shunt 2.54 mm 1x2 Handle
JP10
Shunt 2.54 mm 1x2 Handle
JP11
Shunt 2.54 mm 1x2 Handle
JP12
1
μ
F
16V
0603
C15
1
μ
F
16V
0603
C8
10
μ
F
10V
0603
C7
+A
3
-A
2
OUTA
1
V
SS
V
DD
11
4
MCP6004
U4A
+B
5
-B
6
OUTB
7
V
SS
V
DD
11
4
MCP6004
U4B
+C
10
-C
9
OUTC
8
V
SS
V
DD
11
4
MCP6004
U4C
+D
12
-D
13
OUTD
14
V
SS
V
DD
11
4
MCP6004
U4D
2
1 3
10k
3386F
10%
R73
2
1 3
10k
3386F
10%
R74
1
3
2
ESD5V3
D1
0.1
μ
F
16V
0603
C5
0.1
μ
F
16V
0603
C6
0.1
μ
F
16V
0603
C16
0.1
μ
F
16V
0603
C17
0.1uF
16V
0603
C18
0.1
μ
F
16V
0603
C19
0.1
μ
F
16V
0603
C20
V
IN
1
GND
2
V
OUT
3
MCP1825S
/3.3V
U3
D
G
S
MCP87050
Q1
D
G
S
MCP87050
Q2
2k
0603
1%
R25
V
DD
1
GP0
2
GP1
3
RST
4
UART RX
5
UART TX
6
GP2
7
GP3
8
SDA
9
SCL
10
V
USB
11
D-
12
D+
13
V
SS
14
MCP2221
U2
1 2
3
4
5
6
7
8
9 10
HDR-2.54 Male 2x5
J13