Quectel EC200A Series User Manual

LTE Standard Module Series
Figure Index
Figure 2: Pin Assignment (Top View) ....................................................................................................... 17
Figure 3: Sleep Mode Application via UART ............................................................................................ 25
Figure 4: Sleep Mode Application with USB Remote Wakeup ................................................................. 26
Figure 5: Sleep Mode Application with MAIN_RI ..................................................................................... 27
Figure 6: Sleep Mode Application without Suspend Function .................................................................. 28
Figure 7: Reference Design of Power Supply ......................................................................................... 30
Figure 8: Power Supply Limits during Burst Transmission ...................................................................... 30
Figure 9: Star Structure of the Power Supply .......................................................................................... 31
Figure 10: Reference Circuit of Turning on the Module Using Driving Circuit .......................................... 32
Figure 11: Reference Circuit of Turning on the Module with button ......................................................... 32
Figure 12: Power-up Timing .................................................................................................................... 33
Figure 13: Timing of Turning off Module .................................................................................................. 34
Figure 14: Reference Circuit of RESET_N with Driving Circuit ............................................................... 35
Figure 15: Reference Circuit of RESET_N with Button ........................................................................... 35
Figure 16: Timing of Resetting Module .................................................................................................... 36
Figure 17: Reference Circuit of USB Application ..................................................................................... 38
Figure 18: Reference Circuit of USB_BOOT Interface ............................................................................ 39
Figure 19: Timing Sequence for Entering Emergency Download Mode .................................................. 40
Figure 20: Reference Circuit of (U)SIM Interface with an 8-pin (U)SIM Card Connector ......................... 41
Figure 21: Reference Circuit of (U)SIM Interface with a 6-pin (U)SIM Card Connector ........................... 42
Figure 22：Timing Sequence for Short frame mode ............................................................................... 43
Figure 23: PCM and I2C Interface Circuit Reference Design ............................................................. 44
Figure 24: Reference Circuit with Translator Chip ................................................................................... 46
Figure 25: Reference Circuit with Transistor Circuit ................................................................................ 46
Figure 26: Reference Circuit of SD Card Interface .................................................................................. 47
Figure 27: Reference Circuit of the Network Status Indication ................................................................ 50
Figure 28: Reference Circuits of STATUS ............................................................................................... 51
Figure 29: Reference Circuit for RF Antenna Interfaces .......................................................................... 60
Figure 30: Microstrip Design on a 2-layer PCB ....................................................................................... 61
Figure 31: Coplanar Waveguide Design on a 2-layer PCB ...................................................................... 61
Figure 32: Coplanar Waveguide Design on a 4-layer PCB (Layer 3 as Reference Ground) ................... 62
Figure 33: Coplanar Waveguide Design on a 4-layer PCB (Layer 4 as Reference Ground) ................... 62
Figure 34: Dimensions of U.FL-R-SMT Connector (Unit: mm) ................................................................ 64
Figure 35: Mechanicals of U.FL-LP Connectors ...................................................................................... 64
Figure 36: Space Factor of Mated Connector (Unit: mm) ........................................................................ 65
Figure 37: Module Top and Side Dimensions (Unit: mm) ........................................................................ 81
Figure 38: Module Bottom Dimensions View (Unit: mm) ......................................................................... 82
Figure 39: Recommended Footprint (Bottom View) ................................................................................ 83
Figure 40: Top and Bottom View of the Module ....................................................................................... 84
Figure 41: Recommended Reflow Soldering Thermal Profile .................................................................. 87
Figure 42: Carrier Tape Dimension Drawing ....................................................................................... 89

Quectel EC200A Series Specifications

General

Brand	Quectel
Model	EC200A Series
Category	Control Unit
Language	English