User's Manual
Table Of Contents
- Version History
- Contents
- Table Index
- Figure Index
- 1Introduction
- 2 Package Information
- 3 Interface Application
- 4 RF Specifications
- 5 Electrical Specification
- 6 SMT Production Guide
- 7 Packaging
- 8 Appendix
SIM7600G-H User manual
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extremely important, then a switching mode power supply will be preferable. The following figure shows the
switching mode power supply reference circuit.
Figure 8: Switching mode power supply reference circuit
The Switching Mode power supply solution for VBAT must be chosen carefully against Electro Magnetic
Interference and ripple current from depraving RF performance.
3.1.3 Voltage Monitor
To monitor the VBAT voltage, the AT command “AT+CBC” can be used.
For monitoring the VBAT voltage outside or within a special range, the AT command “AT+CVALARM” can
be used to enable the under-voltage warning function.
If users need to power off MODULE, when the VBAT voltage is out of a range, the AT command
“AT+CPMVT” can be used to enable under-voltage power-off function.
Note: Under-voltage warning function and under-voltage power-off function are disabled by default. For
more information about these AT commands, please refer to Document [1].
Under-voltage warning function and under-voltage power-off function are disabled by default. For more
information about these AT commands, please refer to Document [1].
NOTE
NOTE