SimCom SIM7000G User Manual

Smart Machine Smart Decision
SIM7000 _Hardware Design _V1.00 2017-05-23
Figure Index
Figure 1: SIM7000 block diagram....................................................................................................................... 12
Figure 2: Pin assignment overview...................................................................................................................... 15
Figure 3: Dimensions (Unit: mm)........................................................................................................................ 20
Figure 4: Footprint recommendation (Unit: mm)................................................................................................ 21
Figure 5: VBAT voltage drop during burst emission (GSM/GPRS)....................................................................22
Figure 6: Power supply application circuit.......................................................................................................... 23
Figure 7: Linear regulator reference circuit......................................................................................................... 24
Figure 8: Switching mode power supply reference circuit.................................................................................. 24
Figure 9: Reference power on/off circuit............................................................................................................. 25
Figure 10: Power on timing sequence..................................................................................................................25
Figure 11: Power off timing sequence................................................................................................................. 26
Figure 12: Reference reset circuit........................................................................................................................ 27
Figure 13: UART full modem.............................................................................................................................. 28
Figure 14: UART null modem............................................................................................................................. 28
Figure 15: Reference circuit of level shift............................................................................................................29
Figure 16: RI behaviour
（
SMS and URC report
）
.............................................................................................29
Figure 17: RI behaviour
（
voice call
）
................................................................................................................30
Figure 18: USB reference circuit......................................................................................................................... 30
Figure 19: SIM interface reference circuit........................................................................................................... 31
Figure 20: Amphenol SIM card socket................................................................................................................ 32
Figure 21: PCM_SYNC timing............................................................................................................................33
Figure 22: External codec to module timing........................................................................................................33
Figure 23: Module to external codec timing........................................................................................................ 34
Figure 24: Audio codec reference circuit............................................................................................................. 35
Figure 25: I2C reference circuit........................................................................................................................... 35
Figure 26: NETLIGHT reference circuit............................................................................................................. 36
Figure 27
：
Power on sequence of the VDD_EXT..............................................................................................37
Figure 28: Antenna matching circuit (MAIN_ANT)........................................................................................... 42
Figure 29: Active antenna circuit......................................................................................................................... 43
Figure 30: Passive antenna circuit (Default)........................................................................................................ 43
Figure 31: Top and bottom view of SIM7000......................................................................................................50
Figure 32: Label information............................................................................................................................... 51
Figure 33: The ramp-soak-spike reflow profile of SIM7000...............................................................................52
Figure 34: packaging diagram..............................................................................................................................54
Figure 35: Tray drawing.......................................................................................................................................55
Figure 36: Small carton drawing..........................................................................................................................55
Figure 37: Big carton drawing............................................................................................................................. 55
Figure 38: Reference design.................................................................................................................................57

SimCom SIM7000G Specifications

General

Brand	SimCom
Model	SIM7000G
Category	Control Unit
Language	English