Smart LTE Module Series
Smart EVB G2 User Guide
Smart_EVB_G2_User_Guide 22 / 59
4.1.2. Battery Interface
The following figure shows a reference circuit design for battery interface.
Figure 10: Reference Design for Battery Interface
The following figure shows the pin assignment of battery interface, and the following table shows the pin
definition of battery connector.
Figure 11: Pin Assignment of Battery Interface
Table 4: Pin Definition of Battery Interface
Pin No.
Pin Name
Description
1, 2
GND
Ground pins.
Connected to the negative pole of the battery.
3
THERM
Used for battery temperature detection.
A 47K thermistor is used for the battery protection circuit.
4
ID
Reserved
1
2
3
4
6
5