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VRTC
16
LDO5_1P8
9
LDO10_2P8
11
LDO6_1P8
10
LDO17_2P85
12
LDO13_3P07
157
5
LDO23_1P2
15
SC650T_Hardware_Design
module.
Power supply for
PI/PO
internal RTC circuit
1.8V output power
PO
supply
2.8V output power
PO
supply
1.8V output power
PO
supply
2.85V output power
PO
supply
13.125V output
PO
power supply
1.2V output power
PO
supply
Smart LTE Module Series
SC650T Hardware Design
Vmin=3.55V
interface
Vnorm=3.8V
V
max=3.2V
O
V
=2.0V~3.25V
I
Power supply for
external GPIO's pull
Vnorm=1.8V
I
max=20mA
up circuits and level
O
shift circuit.
Power supply for
VDD of sensors and
TPs. Add a
Vnorm=2.8V
1.0uF~4.7uF
I
max=150mA
bypass capacitor if
O
used.
If unused, keep this
pin open.
Power supply for I/O
VDD of cameras,
LCDs and sensors.
Vnorm=1.8V
Add a 1.0uF~2.2uF
I
max=300mA
bypass capacitor if
O
used.
If unused, keep this
pin open.
Power supply for
cameras and LCDs.
Add a 1.0uF~4.7uF
Vnorm=2.85V
bypass capacitor if
I
max=300mA
O
used.
If unused, keep this
pin open.
Power supply for
USB
Add a 1.0uF~4.7uF
Vnorm=3.125V
bypass capacitor if
I
max=150mA
O
used.
If unused, keep this
pin open.
Power supply for
DVDD of front
Vnorm=1.2V
cameras.
I
max=600mA
O
Add a 1.0uF~2.2uF
bypass capacitor if
23 / 131
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