Electrostatic Property; Reliability Index - YUGE LPM2100 bg Series Usage Manual

LPM2100 bg NB Module Hardware Usage Guide
Module operating voltage
bg/bc(Vbat)
（3.1~4.2V）
Module operating voltage
bg_u(Vbat)
（2.45~4.2V）
The power-on time of any interface of the module must not be earlier than the boot time
of the module, otherwise the module may be abnormal or damaged.

5.5 Electrostatic property

There is no overvoltage protection inside the LPM2100 bg series module. The module
needs to protect against static electricity to ensure product quality.
ESD design recommendations：
 The SIM card external pin of the module needs to be protected by adding TVS.
 At the module input power supply, increase the TVS.
 The protective device PCB layout should be as close as possible to the "V" shaped line
to avoid the "T" shaped line.
 The ground plane around the module guarantees integrity and should not be split.
ESD control of the surrounding environment and operators needs to be paid during

module production, assembly and laboratory testing.
Test port
SIM interface
VBAT power supply
RF_ANT
Other PORT

5.6 Reliability index

Test items Test Conditions
Low Temperature: –20℃
temperature Working mode: normal work
work Test duration: 24 h
High Temperature: 75℃
temperature Working mode: normal work
Shanghai Yuge Information Technology Co., Ltd.
3.1V
2.45V
Table 5-4 LPM2100 bg ESD features
Contact discharge
±6
±6
±6
±6
Table 5-5 Reliability test
3.7V
3.6V
Air discharge
±10
±10
±10
±10
Guideline Experimental result
Visual inspection: normal
IEC60068-
Function check: normal
2-1
RF indicator check: normal
JESD22-A Visual inspection: normal
108-C Function check: normal
4.2V
4.2V
Unit
KV
KV
KV
KV
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