Schematics
AN3311
54/58
Doc ID 18209 Rev 1
9.10 Power
Figure 35.
Power
AM0
8
517v1
ID
D_Measurement
IDD_CNT_EN
L
P
_WAKE
U
P
2
3
4
5
U23
7
4
L
X1G04CTR
I/
O
1
O/I
2
GND
3
C
4
VCC
5
U22
74H1G66STR
+3V3
R156
1(1%)
R
1
5
7
1K(
1
%
)
3
4
5
G
S
D
1
2
6
T2
STT5PF
20V
3
4
5
G
S
D
1
2
6
T1
STT5PF
20V
+3V3
Q12
1
Q13
2
Q14
3
Q6
4
Q5
5
Q7
6
Q4
7
GND
8
CO
9
CO
10
CI
11
CLR
12
Q9
13
Q8
14
Q10
15
VCC
16
U24
M74HC4060TTR
+3V3
+3V3
R152
10K
R149
4K7
C78
0.47uF
+3V3
VDD_MCU
1
2
3
JP2
3
C88
1nF
R158
15K
R153
30K
Oscillator
frequency
30KHz
+3V3
R79
0
PA
6
PA
0
PC
1
3
C48
100nF
4
5
2
3
1
U21
MAX9
VBAT_Voltage
Vin
3
GND
1
Vout
2
U19
L
D
1086D2M33
C79
220uF
C75
10uF
C80
100nF
+5V
TP1
0
3V3
SV
1
SG
2
CV
3
CG1
4
CG2
5
CG3
6
U20
BNX002-01
C74
10uF
E5V
TP1
1
5V
+5V
R148
1K5
1
2
LD
7
red
TP1
2
Ground
1
3
2
CN18
DC-10B
Z1
SMAJ5.0A-TR
C77
100nF
1
2
3
U18
ZEN056V130A24LS
+3V3
D5V
E5V
VBAT
6
VSS_5
10
VDD_5
11
VSSA
19
VREF-
20
VREF+
21
VDDA
22
VSS_4
27
VDD_4
28
VSS_1
49
VDD_1
50
VSS_2
74
VDD_2
75
VSS_3
99
VDD_3
100
U9B
BARRACUDA_256K
BT1
CR1220
holder
L1
BEAD
C76
1uF
C87
100nF
R155
47
R147
0
VDDA
VDD_MCU
VREF+
VREF-
C86
100nF
TP1
3
VREF
3
2
1
JP2
4
+3V3
VDD_MCU
R150
10K(1%)
R151
20K(1%)
VBAT_DIV
C81
100nF
C82
100nF
C83
100nF
C84
100nF
C85
100nF
VDD_MCU
R154
0
USB_VBUS
1
2
3
4
5
6
JP2
5
R163
0
PC
5
Vin
3
Vout
2
1
U27
L
D
1117S25TR
+5V
C51
10uF
+2V5
TP5
2V5
F
ro
m
I
O
expander
C79_1
220uF
C27
1uF