SIM7500A_SIM7500E_SIM7500JE_
SIM7500JC_SIM7500V_SIM7500SA
_Hardware Design_V1.06
Smart Machine Smart Decision
Document Title
Version
Date
Status
Document Control ID
SIM7500A_SIM7500E_SIM7500JE_SIM7500JC_SIM7500V_
SIM7500SA_ Hardware Design
V1.06
2017-11-20
Released
SIM7500A_SIM7500E_SIM7500JE_SIM7500JC_SIM7500V_
SIM7500SA_Hardware Design_V1.06
General Notes
SIMCom offers this information as a service to its customers to support the application and
engineering efforts that use the products designed by SIMCom. The information provided is based
on the requirements specifically from the customers. SIMCom has not undertaken any independent
search for additional relevant information, including any information that may be in the customer’s
possession. Furthermore, the system validation of the product designed by SIMCom within a larger
electronic system remains the responsibility of the customer or the customer’s system integrator.
All specifications supplied herein are subject to change without notice.
Copyright
This document contains the proprietary technical information which is the property of SIMCom
Limited, copying of this document, giving it to others, the using or communication of the contents
thereof are forbidden without the official authority by SIMCom. Offenders are liable to the
payment of the damages. All rights are reserved in the event of grant of a patent or the registration
of a utility model or design. All specifications supplied herein are subject to change without notice
Copyright © SIMCom Wireless Solutions Co., Ltd. 2017
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Contents
Contents .............................................................................................................................................3
Table Index ........................................................................................................................................5
Figure Index ......................................................................................................................................6
Revision History ................................................................................................................................7
1
Introduction ................................................................................................................................8
1.1 Product Outline .....................................................................................................................8
1.2 Hardware Interface Overview ...............................................................................................9
1.3 Hardware Block Diagram......................................................................................................9
1.4 Functional Overview .............................................................................................................9
Package Information................................................................................................................ 11
2.1 Pin Assignment Overview ................................................................................................... 11
2.2 Pin Description ....................................................................................................................13
2.3 Mechanical Information ......................................................................................................15
2.4 Footprint Recommendation .................................................................................................16
Interface Application ...............................................................................................................17
3.1 Power Supply ......................................................................................................................17
3.1.1 Power supply Design Guide .........................................................................................17
3.1.2 Recommended Power Supply Circuit ..........................................................................18
3.1.3 Voltage Monitor............................................................................................................19
3.2 Power on/Power off/Reset Function....................................................................................19
3.2.1 Power on.......................................................................................................................19
3.2.2 Power off ......................................................................................................................20
3.2.3 Reset Function ..............................................................................................................21
3.3 UART Interface ...................................................................................................................22
3.3.1 UART Design Guide ....................................................................................................22
3.3.2 RI and DTR Behavior...................................................................................................23
3.4 USB Interface ......................................................................................................................24
3.4.1 USB Application Guide ................................................................................................24
3.5 SIM Interface ......................................................................................................................25
3.5.1 SIM Application Guide ................................................................................................26
3.5.2 SIM Card Design Guide ...............................................................................................27
3.5.3 Recommended SIM Card Holder .................................................................................27
3.6 PCM Interface .....................................................................................................................28
3.6.1 PCM Timing .................................................................................................................29
3.6.2 PCM Application Guide ...............................................................................................30
3.7 I2C Interface........................................................................................................................30
3.7.1 I2C Design Guide .........................................................................................................30
3.8 Network Status ....................................................................................................................31
3.9 Operating Status Indication .................................................................................................32
3
2
3
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3.10
Flight Mode Control ........................................................................................................32
3.11
Pin Multiplex Function ....................................................................................................33
3.12
Other interface .................................................................................................................33
Sink Current Source ..................................................................................................33
3.12.1
3.12.2
ADC ..........................................................................................................................34
4
RF Specifications......................................................................................................................35
4.1 WCDMA/LTE RF Specifications........................................................................................35
4.2 GSM/WCDMA/LTE Antenna Design Guide ......................................................................37
4.3 GNSS ..................................................................................................................................38
4.3.1 GNSS Technical specification ......................................................................................38
4.3.2 GNSS Application Guide .............................................................................................39
Electrical Specifications...........................................................................................................41
5.1 Absolute Maximum Ratings................................................................................................41
5.2 Operating Conditions ..........................................................................................................41
5.3 Operating Mode ..................................................................................................................42
5.3.1 Operating Mode Definition ..........................................................................................42
5.3.2 Sleep Mode ...................................................................................................................43
5.3.3 Minimum Functionality Mode and Flight Mode ..........................................................43
5.4 Current Consumption ..........................................................................................................43
5.5 ESD Notes ...........................................................................................................................45
SMT Production Guide ...........................................................................................................46
6.1 Top and Bottom View of Module ........................................................................................46
6.2 Label Information................................................................................................................47
6.3 Typical SMT Reflow Profile ...............................................................................................47
6.4 Moisture Sensitivity Level (MSL) ......................................................................................48
6.5 Stencil Foil Design Recommendation .................................................................................49
Packaging ..................................................................................................................................50
5
6
7
Appendix..........................................................................................................................................52
A. Reference Design......................................................................................................................52
B. Coding Schemes and Maximum Net Data Rates over Air Interface.........................................53
C. Related Documents ...................................................................................................................55
D. Terms and Abbreviations..........................................................................................................57
E. Safety Caution ...........................................................................................................................59
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Table Index
Table 1: SIM7500 series frequency bands............................................................................................................ 8
Table 2: General features ..................................................................................................................................... 9
Table 3: Pin Definitions ..................................................................................................................................... 12
Table 4: IO parameters definition....................................................................................................................... 13
Table 5: Pin description...................................................................................................................................... 13
Table 6: VBAT Pins electronic characteristic ..................................................................................................... 17
Table 7: Recommended zener diode list............................................................................................................. 18
Table 8: Power on timing and electronic characteristic ...................................................................................... 20
Table 9: Power off timing and Electronic Characteristic.................................................................................... 21
Table 10: RESET pin electronic characteristic ................................................................................................... 22
Table 11: SIM Electronic characteristic in 1.8V mode (SIM_VDD=1.8V)........................................................ 25
Table 12: SIM Electronic characteristic 3.0V mode (SIM_VDD=2.95V).......................................................... 26
Table 13: Amphenol SIM Socket Pin Description.............................................................................................. 28
Table 14: PCM Format ....................................................................................................................................... 28
Table 15: PCM Timing Parameters .................................................................................................................... 29
Table 16: NETLIGHT pin status ........................................................................................................................ 31
Table 17: Pin definition of the STATUS............................................................................................................. 32
Table 18: FLIGHTMODE Pin Status ................................................................................................................. 32
Table 19: Pin multiplex function list .................................................................................................................. 33
Table 20: Sink current electronic characteristic ................................................................................................. 33
Table 21: ADC Electronic Characteristics.......................................................................................................... 34
Table 22: Conducted transmission power .......................................................................................................... 35
Table 23: Operating frequencies ........................................................................................................................ 35
Table 24: Conducted receive sensitivity ............................................................................................................. 36
Table 25: Reference sensitivity (QPSK) ............................................................................................................ 36
Table 26: Trace Loss .......................................................................................................................................... 37
Table 27: Recommended TVS ........................................................................................................................... 38
Table 28: LNA requirements .............................................................................................................................. 40
Table 29: Absolute maximum ratings................................................................................................................. 41
Table 30: Recommended operating ratings ........................................................................................................ 41
Table 31: 1.8V Digital I/O characteristics* ........................................................................................................ 41
Table 32: Operating temperature ........................................................................................................................ 42
Table 33: Operating mode Definitions ............................................................................................................... 42
Table 34: Current consumption on VBAT Pins (VBAT=3.8V) .......................................................................... 44
Table 35: The ESD performance measurement table (Temperature: 25℃, Humidity: 45%) ............................. 45
Table 36: The Description of Label Information ................................................................................................ 47
Table 37: Moisture Sensitivity Level and Floor Life ......................................................................................... 48
Table 38: Tray size ............................................................................................................................................. 50
Table 39: Small Carton size ............................................................................................................................... 51
Table 40: Big carton size .................................................................................................................................... 51
Table 41: Coding schemes and maximum net data rates over air interface ........................................................ 53
Table 42: Related documents ............................................................................................................................. 55
Table 43: Terms and Abbreviations .................................................................................................................... 57
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