UMTS/HSPA Module Series
UC20 Hardware Design
UC20_Hardware_Design Confidential / Released 61 / 82
6
Electrical,
Reliability
and
Radio
Characteristics
6.1. Absolute Maximum Ratings
Absolute maximum ratings for power supply and voltage on digital and analog pins of module are listed in
the following table:
Table 28: Absolute Maximum Ratings
Parameter
Min.
Max.
Unit
VBAT_RF/VBAT_BB
-0.3
4.7
V
USB_VBUS
-0.3
5.5
V
Peak Current of VBAT_BB
0
0.8
A
Peak Current of VBAT_RF
0
1.8
A
Voltage at Digital Pins
-0.3
2.3
V
Voltage at ADC0
0
2.1
V
Voltage at ADC1
0
4.2
V
6.2. Power Supply Ratings
Table 29: The Module Power Supply Ratings
Parameter
Description
Conditions
Min.
Typ.
Max.
Unit
VBAT
VBAT_BB and
VBAT_RF
Voltage must stay within the
min/max values, including voltage
3.3
3.8
4.3
V
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