User Guide

Flow chart of Troubleshooting and Circuit Diagram 5-2
C112 6.3V 10UF
100K R106
1
2
3 4 5
D100 UMN1
C103 10NF
100K R110
R109 10K
C102 10UF 6.3V
10NF C104
100K R105
R100
1K
ON/OFF
3
VIN
15
VOUT
C100
100NF
LP2981AIM5-2.5
U112
2
GND
4
NC
U111
LP2981AIM5-2.5
GND
2
NC
43
ON/OFF
1
VIN VOUT
5
100K R108
C111 100NF
C113 10NF
6.3V
10UF
C108
C133 1UF
R107 100K
1UF C131
D101 MCL4154
1UF C132
100NF
C119
1UF C105
0R113
C106
C109 10UF 6.3V
RB414II06N
ON/OFF
3
VIN
1
VOUT
5
6.3V 100UF C101
U103
LP2985AIM5-3.0
BYPASS
4
GND
2
VOUT
5
100NF C110
LP2985AIM5-3.3
U100
BYPASS
4
2
GND
3
ON/OFF
1
VIN
10NF C114
1
2
3
4
5
1UF
UMC5NTL
U105
DVCC2.5 AVCC2.5
+VBATT
POWER
BBPWR
ON_OFF
VDD3.0
C130
RTC_VCC
RTC_3V3
DCVOLT
POWER
DCIN
BB_PWR
RTC_3V3