Pin Description - Quectel UC15 Hardware Design

3.3. Pin Description

The pin definition of UC15 is shown in table 4.
Table 3: IO Parameters Definition
Type
IO
DI
DO
PI
PO
AI
AO
Table 4: Pin Description
Power Supply
Pin Name Pin No.
VBAT_BB 52,53
VBAT_RF 50,51
VDD_EXT 7
UC15_Hardware_Design
Description
Bidirectional input/output
Digital input
Digital output
Power input
Power output
Analog input
Analog output
I/O Description
Power supply for
PI module baseband
part.
Power supply for
PI
module RF part.
Provide 2.6V for
PO
external circuit.
Confidential / Released
UMTS/HSDPA Module Series
UC15 Hardware Design
DC Characteristics
Vmax=4.3V
Vmin=3.3V
Vnorm=3.8V
Vmax=4.3V
Vmin=3.3V
Vnorm=3.8V
Vnorm=2.6V
I max=100mA
O
Comment
It must be able to
provide sufficient
current up to 0.8A.
It must be able to
provide sufficient
current in a
transmitting burst
which typically
rises to 2.0A.
It is recommend to
add a 2.2~4.7uF
bypass capacitor
when using this
pin for power
supply.
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