UM1537
Board schematics
Doc ID 023059 Rev 1
45/52
Figure 29.
Power
1
1
2
2
3
3
4
4
D
D
C
C
B
B
A
A
STMicroelectronics
Title:
Number:
Rev:
Sheet
of
B.1[PCB.SCH]
Date:
3/15/2012
Vin
3
GND
1
Vout
2
U19
L
D1086D2M33
SV
1
SG
2
CV
3
CG1
4
CG2
5
CG3
6
U15
BNX002-01
C58
220uF
E5V
TP5
5V
+5V
R112
1K
1
2
LD
6
red
C60
47uF
C61
10uF
C45
10uF[ESR<0.2ohm]
C65
100nF
+5V
+3V3
VDD_ADJ
+5V
TP1
Ground
TP6
+3V3
TP2
VDD_ADJ
1
3
2
CN15
DC-10B
Z1
SMAJ5.0A-TR
C66
100nF
1
2
3
U20
ZEN056V130A24LS
1
3
2
RV2
3386P-
503H[5%]
R125
31.6K[1%]
E5V
D5V
U5V_ST_LI
N
K
C48
[N/A]
Power
Supply
VDD_ADJ
[2.1V
to
3.5V]
EN
1
GND
2
VO
4
ADJ
5
GND
EXP
VI
6
PG
3
U11
ST1L05BPUR
+3V3
R121
1
0
K
C53
100nF
R113
59K[1%]
C56
4.7uF
STM320518-EVAL
Power
MB965
13
13
6
5
4
3
2
1
JP8
Header
3X2
Vout=1.22*(1+R1/R2)
C47
10uF[ESR<0.2ohm]
+1V8
+5V
TP3
1.8V
R122
31.6K[1%]
C51
[N/A]
Power
Supply
1.8V
EN
1
GND
2
VO
4
ADJ
5
GND
EXP
VI
6
PG
3
U12
ST1L05BPUR
VDD_ADJ
R119
1
K
C54
[N/A]
R114
15K[1%]
C57
4.7uF
Vout=1.22*(1+R1/R2)
1
2
3
JP9
VDD_ADJ
+1V8
+3V3
R78
0
R84
[N/A]
3
2
1
JP1
0
R79
[N/A]
R80
0
VDD
VDDA
1V8_PG
R111
[N/A]
+1V8
C50
100nF
R91
[N/A]
D1
BAT60JFI
L
M
JP7
VDD_MCU
considering
potentiometer
error
tolerance
C46
100nF
C49
100nF
JP1
1
VDD_ANA