Huawei ME909 Series - Power Supply Features

HUAWEI ME909 Series LTE LGA Module
Hardware Guide
Electrical and Reliability Features
Issue V0.3 (2013-05-21)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
52
5.5 Electrical Features of Application Interfaces
Table 5-4 lists electrical features (typical values).
Table 5-4 Electrical features of application interfaces
Parameter
Description
Minimum Value
Maximum Value
Unit
V
IH
Logic high-level
input voltage
0.65 x V
DD_PX
V
DD_PX
+ 0.3
V
V
IL
Logic low-level
input voltage
–0.3
0.35 x V
DD_PX
V
V
OH
Logic high-level
output voltage
V
DD_PX
–0.45
V
DD_PX
V
V
OL
Logic low-level
output voltage
0
0.45
V
5.6 Power Supply Features
5.6.1 Input Power Supply
Table 5-5 lists the requirements for input power of the ME909 module.
Table 5-5 Requirements for input power for the ME909 module
Parameter
Min.
Typ.
Max.
Ripple
Unit
VBAT
3.3
3.8
4.2
0.05
V
Figure 5-1 Power Supply During Burst Emission
The VBAT Minimum value must be guaranteed during the burst (with 2.5 A Peak in GSM, GPRS
or EGPRS mode).