Schematics
UM1521
44/56
Doc ID 022868 Rev 1
Figure 29.
Power
1
1
2
2
3
3
4
4
STMicroelectronics
Title:
Number:
Rev:
Sheet
of
B.3
Date:
2/3/2012
Vin
3
GND
1
Vout
2
U9
L
D1086D2M33
SV
1
SG
2
CV
3
CG1
4
CG2
5
CG3
6
U1
BNX002-01
C1
220uF
E5V
TP1
5V
+5V
R3
1K
1
2
LD
9
red
C12
47uF
C15
10uF
C37
10uF[ESR<0.2ohm]
C14
100nF
+5V
+3V3
VDD_ADJ
+5V
TP9
Ground
TP5
+3V3
TP3
VDD_ADJ
1
3
2
CN2
DC-10B
Z1
SMAJ5.0A-TR
C13
100nF
1
2
3
U4
ZEN056V130A24LS
1
3
2
RV1
3386P-
503H[5%]
3
2
1
JP5
VDD
R45
11.8K[1%]
E5V
D5V
MB964
5
1
4
STM32L152D-EVAL
Power
U5V
7
8
5
6
3
4
1
2
JP1
Header
4X2
U5V_ST_LI
N
K
C36
[N/A]
Power
Supply
VDD_ADJ
[1.65V
to
3.5V]
Vin
3
Vout
2
1
U6
L
D1117S25TR
+5V
C18
10uF
+2V5
TP8
2V5
L3
BEAD
C30
1uF
C52
100nF
VDDA
VDD_MCU
VREF+
VREF-
C49
100nF
TP6
VREF
VDD_MCU
C66
1uF
VLC
D
VLC
D
6
VSS_5
16
VDD_5
17
VSSA
30
VREF-
31
VREF+
32
VDDA
33
VSS_4
38
VDD_4
39
VSS_1
71
VDD_1
72
VSS_2
107
VDD_2
108
VSS_3
143
VDD_3
144
VDD_10
121
VDD_9
95
VDD_6
52
VDD_7
62
VDD_8
84
VDD_11
131
VSS_10
120
VSS_9
94
VSS_6
51
VSS_7
61
VSS_8
83
VSS_11
130
U16B
STM32L
C78
100nF
C48
100nF
C59
100nF
C46
100nF
C77
100nF
VDD_MCU
MCU
Power
EN
1
GND
2
VO
4
ADJ
5
GND
EXP
VI
6
PG
3
U11
ST1L05BPUR
+3V6
R37
1
K
C42
100nF
R42
22.1K[1%]
C31
4.7uF
C79
100nF
C56
100nF
C47
100nF
C65
100nF
C45
100nF
VDD_MCU
C60
100nF
R25
124[1%]
R14
232[1%]
Vin
3
Vout
2
1
U8
L
D1117STR
+5V
C19
10uF
+3V6
TP4
3V6
C20
[N/A]
Vout=1.25*(1+232/124)=3.589V
R41
[N/A]
+3V3
R44
0
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