User's Manual

UMTS/HSPA Module Series
UG95 Hardware Design
UG95_Hardware_Design Confidential / Released 51 / 67
5 Electrical, Reliability and Radio
Characteristics
5.1. 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 24: 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
2
A
Voltage at Digital Pins
-0.3
2.3
V
5.2. Power Supply Ratings
Table 25: 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
drop, ripple, and spikes.
3.4
3.8
4.3
V
USB_VBUS
USB insert
detection
2.5
5.0
5.25
V