ADM
0090
2 Demonstr
ation B
o
ar
d for
EM
C210
3 Use
r’s
Guide
DS5
0002905A-p
age 44
20
19 M
ic
rochip
T
e
chnology
In
c.
A.4
BOARD – SCHEMATIC – INTERFACE AND POWER
USB_N
USB_P
10k
0603
1%
R4
GREEN
LD2
POWER 3.3V
USB 2.0 Micro-B FEMALE
ID 4
V
BUS
1
GND 5
D- 2
D+ 3
0
J1
SHIELD
0.1 μF
25V
0603
C1
+5V_USB
GND
GND
USB_N
USB_P
6.8k
0603
1%
R5
0.1 μF
25V
0603
C4
GREEN
LD3
I
2
C ACTIVITY
SCL
SDA
SDA
SCL
+3.3V
+3.3V
4.7 μF
10V
0805
C10
MCP1703A/3.3V
GND
1
V
IN
3
V
OUT
2
U2
4.7 μF
10V
0805
C7
0.17 μF
25V
0603
C8
0.1 μF
25V
0603
C12
GND
GND
GND
GND
GND
GND
GND
J5
I
2
C
SCL
SDA
+3.3V
GND
SCL
1
V
SS
2
SDA
3
V
CC
4
WP
5
24LC02B
U4
GND
+3.3V
SCL
SDA
0.1 μF
25V
0603
C9
GND
1
2
3
BAT54C
D1
2
3
1
2.1mm
J2
GND
+12V_Ext
30k
0603
1%
R3
GREEN
LD1
FAN POWER
GND
TP TAB Silver
TP1
GND
GND
220R
FB1
TP TAB Silver
TP2
+12V
MCP2221A
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
U1
GND
SW
1
GND
2
FB 3
V
IN
5
EN
4
MCP1663
U3
MBR0540T1G
D2
1.05M
0603
1%
R8
GND
10 μF
25V
1210
C6
10 μF
16V
1206
C13
GND
GND
GND
4.7 μH
L1
120k
0603
1%
R9
+3.3V
+3.3V
+5V_USB
+5V_USB
+12V_Ext
+12V_Ext
+12V_Boost
DAC_HEAT
0.1 μF
25V
0603
C11
GND
0.1 μF
25V
0603
C2
+VFan
0.1 μF
25V
0603
C3
GND
GND
V_DRV
100k
0603
1%
R1
10k
0603
1%
R2
4 3 2 1