PAC
17X0 High
-Side Cu
rr
en
t
Sen
so
rs Evaluatio
n
Bo
ar
d
User’
s Gu
id
e
DS5
0002367A-p
age 44
20
15 M
ic
rochip
T
e
chnology
In
c.
A.4
BOARD – SCHEMATIC: MCP2221 USB BRIDGE
+3.3V
+3.3V
ALERT#
SMBus_DATA
SMBus_CLK
1k
R21
10
μ
F
10V
C19
220R
FB1
GREEN
LD3
VDD_Power
1
2
3
4
5
6
7
8
9
10
J13
USB_N
USB_P
USB_N
USB_P
0.47
μ
F 6.3V
0603
C37
GND
GP1
RX
TX
USB_OK
SM_ACT
SDA
SCL
RESET
V
USB
3.3V
MCP2221
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
Vss
14
U3
3.3V
1k
0603
5%
R78
RED
LD2
SM_ACT
3.3V
USB_
OK
GREEN
LD1
USB_OK
1k
0603
5%
R3
3.3V
SM
_A
CT
ALERT
GND
GND
0.1
μ
F
16V
0603
C7
10k
0603
1%
R64
10k
0603
1%
R74
3.3V
GND
GND
2
V
IN
1
V
OUT
3
MCP1703/3.3V
U8
GND
10
μ
F
10V
0805
C6
GND
0.1
μ
F
16V
0603
C5
GND
3.3V
3.3V
ALERT
10k
0603
1%
R29
3.92k
R20
GREEN
LD4
USB_Power
ID
4
V
BUS
1
GND
5
D-
2
D+
3
0
USB MINI-B Female
J14
+5V_USB
10k
0603
1%
R25
GND
GND
1
2
3
4
5
6
5.25V
D1