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HUAWEI MU509-65 HSDPA LGA Module
Hardware Guide
3.3 Power Interface
3.3.1 Overview
The power supply part of the MU509-65 module contains:
Table 3-2 lists the definitions of the pins on the power supply interface.
Table 3-2 Definitions of the pins on the power supply interface
Pin No.
Pin Name
VBAT
12 and 13
48, 50, 52,
54, 56, 58,
59, 106,
GND
108, 110,
112, 114
and 116
35
VCOIN
32
VCC_EXT1
31
VCC_EXT2
34
USIM_VCC
121–145
GND
Issue 01 (2016-04-08)
VBAT pins for the power supply
VCOIN pin for the standby power supply of the real-time clock (RTC)
VCC_EXT1 pin for external power output
VCC_EXT2 pin for external power output
USIM_VCC pin for USIM card power output
Pad
Description
Type
PI
Power supply
input
-
GND
PI
Coin cell input
Pin for
PO
external power
output
Pin for
PO
external power
output
Power supply
PO
for USIM card
Thermal
-
Ground Pad
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
Description of the Application Interfaces
Min.
Typ.
Parameter
(V)
(V)
-
3.3
3.8
-
-
-
-
1.5
3.0
-
1.65
1.8
-
2.5
2.6
-
1.65
1.8
-
2.7
2.85
-
-
-
Max.
Comments
(V)
4.2
-
-
-
3.25
-
-
1.95
-
2.7
USIM_VC
1.95
C=1.8 V
USIM_VC
3.0
C=2.85 V
-
-
22
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