MeiG Smart product technical information
SLM758
Hardware Design Guide
Page 33
Figure 4.2
:
DC-DC power supply circuit
Note
:
If the user does not use battery power, please note that a 10K resistor is connected to the
149 pin (BAT_THERM) of the module and pulled down to GND to prevent the software from
judging the abnormal battery temperature after the module is turned on, resulting in shutdown.
The connection diagram is as follows:
Figure 4.3
:
Connection diagram when not powered by battery
4.1.1. Power Pin
The VBAT pin (151, 152, 153) is used for power input. In the user's design, pay special