User Manual

Smart Machine Smart Decision
SIM7600A_User Manual_V1.01 2017-10-10
7
Figure Index
Figure 1: SIM7600A Block Diagram ................................................................................................................. 10
Figure 2: Pin assignment overview .................................................................................................................... 12
Figure 3: Dimensions (Unit: mm) ...................................................................................................................... 18
Figure 4: Footprint recommendation (Unit: mm) ............................................................................................... 19
Figure 5: Power supply application circuit......................................................................................................... 20
Figure 6: Linear regulator reference circuit ....................................................................................................... 21
Figure 7: Switching modepower supply reference circuit .................................................................................. 21
Figure 8: ReferencePower on/offCircuit ............................................................................................................ 22
Figure 9: Power on timing sequence .................................................................................................................. 23
Figure 10: Power off timing sequence ............................................................................................................... 24
Figure 11: Reference reset circuit ...................................................................................................................... 25
Figure 12: UART full modem ............................................................................................................................ 26
Figure 13: UART null Modem ........................................................................................................................... 26
Figure 14: Reference circuit of level shift .......................................................................................................... 26
Figure 15: RI behaviour（SMS and URC report） ........................................................................................... 27
Figure 16: RI behaviour（voice call） .............................................................................................................. 27
Figure 17: USB reference circuit ....................................................................................................................... 28
Figure 18: USIM interface reference circuit ...................................................................................................... 29
Figure 19: Amphenol SIM card socket .............................................................................................................. 30
Figure 20: PCM_SYNC timing .......................................................................................................................... 31
Figure 21: EXT codec to module timing ............................................................................................................ 31
Figure 22: Module to EXT codec timing ........................................................................................................... 32
Figure 23: Audio codec reference circuit ........................................................................................................... 33
Figure 24: I2C reference circuit ......................................................................................................................... 33
Figure 25: NETLIGHT reference circuit ............................................................................................................ 34
Figure 26: ISINK reference circuit .................................................................................................................... 35
Figure 27: Antenna matching circuit (MAIN_ANT) .......................................................................................... 38
Figure 28: Antenna matching circuit (DIV_ANT) ............................................................................................. 39
Figure 29: Antenna matching circuit (MAIN_ANT) .......................................................................................... 41
Figure 30: Active antenna circuit ....................................................................................................................... 42
Figure 31: Passive antenna circuit (Default) ...................................................................................................... 42
Figure 32: Top and bottom view of Module ....................................................................................................... 48
Figure 33: The ramp-soak-spike Reflow Profile of Module............................................................................... 48
Figure 34: Packaging introduce ......................................................................................................................... 50
Figure 34: Module tray drawing introduce......................................................................................................... 50
Figure 36: Small carton drawing introduce ........................................................................................................ 51
Figure 37: Big carton drawing introduce ........................................................................................................... 51
Figure 38: Reference design .............................................................................................................................. 52