Specifications

ManualsBrandsSIMCom ManualsSatellite SystemsNB/GNSS MODULE

Smart Machine Smart Decision

SIM7080G _Hardware Design_V1.03

Summary of content (79 pages)

PAGE 1
Smart Machine Smart Decision SIM7080G _Hardware Design_V1.
PAGE 2
Smart Machine Smart Decision Document Title SIM7080G_Hardware Design Version 1.03 Date 2019-12-13 Status Released Document Control ID SIM7080G_Hardware Design_V1.03 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.
PAGE 3
Smart Machine Smart Decision Contents Contents .............................................................................................................................................2 Table Index ........................................................................................................................................4 Figure Index ......................................................................................................................................6 Revision History .....
PAGE 4
Smart Machine Smart Decision 4.2 LTE Antenna Design Guide ................................................................................................44 4.3 GNSS ..................................................................................................................................45 4.3.1 GNSS Technical specification ......................................................................................45 4.3.2 GNSS Application Guide ...........................................................
PAGE 5
Smart Machine Smart Decision Table Index Table 1: SIM7080G frequency bands and air interface ........................................................................................ 9 Table 2: General features ................................................................................................................................... 12 Table 3: Pin definition ........................................................................................................................................
PAGE 6
Smart Machine Smart Decision Table 44: Safety Caution .................................................................................................................................... 74 SIM7080G _Hardware Design _V1.
PAGE 7
Smart Machine Smart Decision Figure Index Figure 1: SIM7080G block diagram .................................................................................................................. 11 Figure 2: Pin assignment overview .................................................................................................................... 13 Figure 3: Dimensions (Unit: mm) ......................................................................................................................
PAGE 8
Smart Machine Smart Decision Revision History Data Version Description of change Author 2019-05-31 1.00 Original Hongjun Tu Lijuan Yin 2019-08-28 1.01 1. Update GNSS Passive antenna circuit and Galileo Frequency. 2. Update GRFC dedicated signals lines to control the antenna tuner. Hongjun Tu Xianjing Zhao 2019-10-11 1.02 1. Update Figure 1. 2. Update power consumption data. Hongjun Tu Xianjing Zhao 2019-12-25 1.03 1. Update power consumption data. 2.
PAGE 9
Smart Machine Smart Decision 1 Introduction This document describes the electronic specifications, RF specifications, interfaces, mechanical characteristics and testing results of the SIMCom SIM7080Gmodule. With the help of this document and other SIM7080G software application notes/user guides, users can understand and use SIM7080Gmodule to design and develop applications quickly. SIM7080G _Hardware Design _V1.
PAGE 10
Smart Machine Smart Decision 1.1 Product Outline The SIM7080G modules support LTE CAT-M1,LTE CAT-NB1/NB2. The physical dimension of SIM7080G is17.6mm×15.7mm×2.4 mm. And the physical dimension is compatible with the packaging of SIM868 and SIM7020G.
PAGE 11
Smart Machine Smart Decision 1.2 Hardware Interface Overview The interfaces are described in detail in the next chapters include: ● Power Supply ● USBInterface ● UART Interface ● SIM Interface ● ADC ● LDO Power Output ● PCM Interface ● I2C Interface ● SPI Interface ● RFGRFC Interface ● GPIOs ● AntennaInterface SIM7080G _Hardware Design _V1.
PAGE 12
Smart Machine Smart Decision 1.3 Hardware Block Diagram The block diagram of the SIM7080G module is shown in the figure below.
PAGE 13
Smart Machine Smart Decision 1.4 Functional Overview Table 2: General features Feature Implementation Power supply Power supply voltage 2.7V～4.8V. Default :3.8V Power saving Current in sleep mode: 1.2mA Current in PSM mode: 3uA Radio frequency bands Transmitting power Please refer to the table 1 LTE power class: 5 (0.125W). Data Transmission Throughput LTE CAT M1:TBD Kbps (DL), TBD Kbps (UL) LTE CAT NB2: TBD Kbps (DL) ,TBD Kbps (UL) Antenna LTE main antenna. GNSS antenna.
PAGE 14
Smart Machine Smart Decision 2 Package Information 2.1 Pin Assignment Overview The module has 77 pins and provides all the hardware interfaces of the module.
PAGE 15
Smart Machine Smart Decision Table 3: Pin definition Pin No. Pin Name Pin No. Pin Name Pin No.
PAGE 16
Smart Machine Smart Decision 2.2 Pin Description Table 4: IO parameters definition Pintype Description PI Power input PO Power output AI Analog input AIO Analog input/output I/O Bidirectional input /output DI Digital input DO Digital output DOH Digital output with high level DOL Digital output with low level PU Pull up PD Pull down Table 5: Pin description Pin name Pin No. Default status Description 34,35 PI Power supply, voltage range:2.7V～4.8V. PO LDO power output 1.
PAGE 17
Smart Machine Smart Decision 74, 75, 76, 77 System Control PWRKEY 39 DI,PU System power on/off control input, active low. The efficient input low level must be below 0.4V. The efficient input high level must be higher than 1.0V. After the PWRKEY continues to pull down more than 12S, the system will automatically reset.Therefore, long-term grounding is not recommended The level is 1.
PAGE 18
Smart Machine Smart Decision 62 DI,PU softwaresecondary development. Cannot be used as AT communication port. The default function is GPIO.It cannot be used as AT communication port. Butitcan be used for softwaresecondary development. It can also be configured as NMEA data output for GNSS. I2C_SDA 64 I/O I2C clock output I2C_SCL 65 DO I2C data input/output PCM_DIN 9 DI PCM data input. PCM_DOUT 10 DO PCM data output. PCM_CLK 11 DO PCM data bit clock.
PAGE 19
Smart Machine Smart Decision RFGRFC interface ANT_CONTROL1 43 IO GRFC dedicated signals lines VC2 ANT_CONTROL0 44 DO GRFC dedicated signals lines VC1 It can be connected to external antenna tuner to enhance antenna performance. If not used, it can be suspended. Other interface  If it needs to enterintoforcedUSB download mode, it must be pulling up this BOOT_CFG 20 DI,PD pin to VDD_EXT before press the PWRKEY.  Reserve a test points for it. Keep it open.
PAGE 20
Smart Machine Smart Decision 2.3 Mechanical Information The following figureshowsthe package outline drawing ofSIM7080G. Figure 4: Dimensions (Unit: mm) SIM7080G _Hardware Design _V1.
PAGE 21
Smart Machine Smart Decision 2.4 Footprint Recommendation Figure 5: Footprint recommendation (Unit: mm) SIM7080G _Hardware Design _V1.
PAGE 22
Smart Machine Smart Decision 3 Interface Application 3.1 Power Supply Pin 34 and pin 35 are VBAT powerinput. On VBAT pads, when module works on CAT-M1 or NB-IoT mode, the ripple current is up to 0.5A typically. For steadyvoltage, the power supplycapabilitymust be up to 0.5A. Table 6: VBAT pins electronic characteristic Symbol Description Min. Typ. Max. Unit VBAT Module power voltage 2.7 3.8 4.8 V - 0.5 - A IVBAT(peak) Module power peak current in CAT-M1 and NB-IoT emission mode.
PAGE 23
Smart Machine Smart Decision Table 7: Recommended TVS diode list No. Manufacturer Part Number Package 1 Prisemi PESDHC2FD4V5B DFN1006 2 Prisemi PESDHC3D3V3U SOD323 3 WILLsemi ESD5651N-2/TR DFN1006 3.1.2 Recommended Power Supply Circuit If the supply voltage exceeds the supply range of VBAT, the buck circuit should be used to meet the demand of power supply.
PAGE 24
Smart Machine Smart Decision The AT command “AT+CBATCHK=1” also can be used to enable the overvoltage power-off function and the under-voltage power-off function. The default value of the overvoltage power-off function is 4.9V, and the default value of the under-voltage power-off function is 2.5V. If the VBAT voltage is up 4.9V or under 2.5V, module will be power off. Note: Under-voltage warning function and under-voltage power-off function are disabled by default.
PAGE 25
Smart Machine Smart Decision 3.2 3.2.1 Power on/Power off Function Power on SIM7080G can be powered on bybriefly pulling the PWRKEY pin to ground. The PWRKEY pin has been pulled up with a diode to 1.8V internally, so it does not need to be pulled up externally. It is strongly recommended to putan ESD protection diode close to the PWRKEY pin, as it would strongly enhance the ESD performance of PWRKEY pin. The PWRKEY pin has its own reset function.
PAGE 26
Smart Machine Smart Decision Table 8: Power on timing and electronic characteristic Symbol Parameter Min. Typ. Max. Unit Ton The time of active low level impulse of PWRKEY pin to power on module 1 - - s Ton(Vdd) The time from power-on issue to VDD_EXT pin output high level. Ton(status) The time from power-on issue to STATUS pin output high level(indicating power up ready ) 2.5 - - s Ton(uart) The time from power-on issue to UART port ready 2.
PAGE 27
Smart Machine Smart Decision Toff - on Ton Toff PWRKER ( Input ) VDD_ EXT ( Output ) Toff (vdd ) STATUS ( Output ) Toff ( status ) Toff ( uart) active UARTPort Undefined Toff ( usb) USB Port active Undefined Figure 10: Power off timing sequence Table 9: Power off timing and electronic characteristic Symbol Parameter Toff Time value Unit Min. Typ. Max. The active low level time pulse on PWRKEY pin to power off module 1.
PAGE 28
Smart Machine Smart Decision 3.3 UART Interface SIM7080G can provide 3channels serial ports: Onechannel full-function serial port UART1, it can be used for AT command communication between the module and the peripheral MCU. One channel DEBUG serial port UART2, the boot log will be output from hear during the systemboot-up.The default function after booting is GPIO. It can be configured as a UART function,but it cannot be used for AT command communication.
PAGE 29
Smart Machine Smart Decision MODULE (DCE) CUSTOMER ( DTE) Serial port Serial port UART1_TXD TXD UART1_RXD UART1_RTS UART1_CTS UART1_DTR UART1_DCD RXD RTS CTS DTR DCD Wake up host UART1_RI RING Figure 12: UART null modem Table 10: UART electronic characteristic Symbol Description Min. Typ. Max. Unit VIH UART input high level voltage 1.17 1.8 2.1 V VIL UART input low level voltage -0.3 0 0.63 V VOH UART output high level voltage 1.35 1.8 1.
PAGE 30
Smart Machine Smart Decision 3.3.2 RI and DTR Behavior The RI pin description: The RI pin can be used to interrupt output signal to inform the host controller such as application CPU.Before that, users must use AT command “AT+CFGRI=1” to enable this function. Normally RI will keep high level until certain conditions such as receiving SMS, or a URC report coming, then it will output a low level pulse 120ms, in the end, it will become high level.
PAGE 31
Smart Machine Smart Decision 3.4 USB Interface SIM7080G has a USB2.0 interface, it can be used for software upgrade and software debugging. USB_VBUS is the detecting signal for USB inserting. The input voltage range on the USB_VBUS pin is from 3.5V to 5.25V. If there is out of this range, it may be due to USB function unidentifiable, even damaging the module. The reference circuit refers to the following figure.
PAGE 32
Smart Machine Smart Decision 3.5 SIM Interface SIM7080G only supports 1.8V SIM Cards. Table 11: SIM electronic characteristic in 1.8V mode (SIM_VDD=1.8V) Symbol Parameter Min. Typ. Max. Unit SIM_V DD LDO power output voltage 1.75 1.8 1.95 V VIH High-level input voltage 0.65*SIM_VDD - SIM_VDD +0.3 V VIL Low-level input voltage -0.3 0 0.35*SIM_VDD V VOH High-level output voltage SIM_VDD -0.45 - SIM_VDD V VOL Low-level output voltage 0 0 0.45 V 3.5.
PAGE 33
Smart Machine Smart Decision 3.6 PCM Interface SIM7080G provides a PCM interface for external codec, which can be used inmaster mode with short syncand 16 bits linear format. Table 12: PCMformat Characteristics Specification LineInterfaceFormat Linear(Fixed) Datalength 16bits(Fixed) PCMClock/SyncSource MasterMode(Fixed) PCMClockRate 2048 KHz (Fixed) PCMSyncFormat Shortsync(Fixed) DataOrdering MSB Note: For more details about PCM AT commands, please refer to document [1]. 3.6.
PAGE 34
Smart Machine Smart Decision Figure 19: Module to external codec timing Table 13: PCM timing parameters Parameter Description Min. Typ. Max. Unit T(sync) PCM_SYNC cycle time – 125 – μs T(synch) PCM_SYNC high level time – 488 – ns T(syncl) PCM_SYNC low level time – 124.
PAGE 35
Smart Machine Smart Decision 3.6.2 PCM Application Guide The following figure showsthe external codec reference design. 3.3V 3.8V VDD_ EXT VDD_ EXT VDDA 1K 1K VDDSPK VDDD PCM _ IN ADCOUT DACIN FS BCLK PCM_ OUT PCM _ SYNC PCM _ CLK MODULE 2.2K MICBIAS 1uF 1uF MIC+ MIC- MIC MCLK 2.2K 47uF MOUT SCLK SDIO NAU88C10 I2C_ SCL I2C_ SDA 47uF SPK 33pF Figure 20: Audio codec reference circuit 3.7 I2C Interface SIM7080G provides anI2C interfacewith clock rate up to 400 kbps.
PAGE 36
Smart Machine Smart Decision 3.8 SPI Interface SIM7080G supports a set of 4-wire (MISO, MOSI, CS and CLK) SPI interfaces and supports both SPI master mode and SPI slave mode. The maximum clock frequency is up to 50MHz when operating in SPI master mode and up to 25MHz when operating in SPI Slave mode.This feature is only used in DAM (Downloadable Application Module) application when secondary development. The following figure showsthe SPI bus reference design.
PAGE 37
Smart Machine Smart Decision VBAT R Module NETLIGHT 4.7K 47K Figure 24: NETLIGHT reference circuit Note: The value of the resistor named “R” depends on the LED characteristic.
PAGE 38
Smart Machine Smart Decision 3.10 ADC interface SIM7080G has a dedicated ADC pin. It is available fordigitizing analog signals such as battery voltage and so on. Its input voltage range is from 0V to 1.8v. That is the maximum measurement range of ADC cannot exceed 1.8V. If the input voltage of ADC PIN exceeds its range, it is necessary to implement the resistance partial pressure on the hardware The electronic specifications are shown in the following table.
PAGE 39
Smart Machine Smart Decision 3.12 RFGRFC Interface SIM7080G provides a set of antenna GRFCdedicated signals lines. It can be used to control the antenna tuner to improve antenna performance. Thereference circuit is shown in the following figure: ANT VDD_EXT VDD ANT_ CONTROL1 ANT VC2 RF1 ANT_CONTROL0 RF_IN VC1 RF2 GND RF_IN RF_IN GND RF3 RF4 An tenna Tuner MODULE Figure 26：RFGRFC interface reference circuit SIM7080G _Hardware Design _V1.
PAGE 40
Smart Machine Smart Decision 4 RF Specifications 4.1 LTE RF Specifications Table 17: Conducted transmission power CAT-NB2 Frequency LTE-FDD B1 LTE-FDD B2 LTE-FDD B3 LTE-FDD B4 LTE-FDD B5 LTE-FDD B8 LTE-FDD B12 LTE-FDD B13 LTE-FDD B18 LTE-FDD B19 LTE-FDD B20 LTE-FDD B25 LTE-FDD B26 LTE-FDD B28 LTE-FDD B66 LTE-FDD B71 Power 20dBm +/-2.7dB 20dBm +/-2.7dB 20dBm +/-2.7dB 20dBm +/-2.7dB 20dBm +/-2.7dB 20dBm +/-2.7dB 20dBm +/-2.7dB 20dBm +/-2.7dB 20dBm +/-2.7dB 20dBm +/-2.7dB 20dBm +/-2.7dB 20dBm +/-2.
PAGE 41
Smart Machine Smart Decision * Note：The max power is tested result for 1RB in CAT-M1 and single-tone in CAT-NB2. MPR for CAT-M1 please refer to 6.2.3EA.5 part for 3GPP. Multi-tone test results please refer to part 6.2.3F.3 for CAT-NB2. Table 18:Maximum Power Reduction (MPR) for UE category NB2&M1 Power Class 5 CAT-NB2 Modulation QPSK 0-2 3-5 and 6-8 9-11 ≤ 0.5 dB 0 dB ≤ 0.
PAGE 42
Smart Machine Smart Decision E-UTRA UL Freq. DL Freq.
PAGE 43
Smart Machine Smart Decision Table 22: CAT-M1 Reference sensitivity (QPSK) REFSENS MAX(dBm) REFSENS 3GPP Request Typical(dBm) 1 -103 -109 2 -101 3 -100 4 -103 5 -101.5 -107 HD-FDD 8 -100.5 -107 HD-FDD 12 -100 -106 HD-FDD 13 -100 -106 HD-FDD 14 -100 18 -103 19 -103 20 -100.5 25 -99.5 26 -101 27 -101.5 28 -101.5 66 NA -107 HD-FDD 85 -100 -107 HD-FDD E-UTRA Band SIM7080G _Hardware Design _V1.
PAGE 44
Smart Machine Smart Decision Table 23: CAT-NB2Reference sensitivity (QPSK) Operating band REFSENS REFSENS REFSENSTypical MAX(dBm) 3GPP Typical(dBm) Repetition 12/7/1/128 ① [EPRE dbm/15KHz] Request 1 -108.2 -116 -131 2 -108.2 -115 -130 3 -108.2 -116 -131 4 -108.2 -116 -130 5 -108.2 -115 -129 8 -108.2 -115 -130 12 -108.2 -115 -130 13 -108.2 -115 -130 18 -108.2 -115 -129 19 -108.2 -114 -128 20 -108.2 -114 -128 25 -108.2 -115 -130 26 -108.
PAGE 45
Smart Machine Smart Decision 4.2 LTE Antenna Design Guide Users should connect antennas to SIM7080G’s antenna pads through micro-strip line or other types of RF trace and the trace impedance must be controlled in 50Ω. SIMCom recommends that the total insertion loss between the antenna pads and antennas should meet the following requirements: Table 24: Traceloss Frequency Loss 700MHz-960MHz <0.5dB 1710MHz-2170MHz <0.9dB 2300MHz-2650MHz <1.
PAGE 46
Smart Machine Smart Decision 4.3 GNSS SIM7080G merges GNSS(GPS/GLONASS/BD) satellite and network information to provide a high-availability solution that offers industry-leading accuracy and performance. This solution performs well, even in very challenging environmental conditions where conventional GNSS receivers fail, and provides a platform to enable wireless operators to address both location-based services and emergency mandates. 4.3.
PAGE 47
Smart Machine Smart Decision GNSS passive antenna V_LNA GND GPS_ANT C1 68 LNA SAW L3 L1 L2 MODULE Figure 29: Passive antenna circuit (Default) In above figures, the components C1, L1 and L2 are used for antenna matching.Usually, the values of the components can only be achieved after antenna tuning and usually provided by antenna vendor.C2 is used for DC blocking. L3 is the matching component of the external LNA, and the value of L3 is determined by the LNA characteristic and PCB layout.
PAGE 48
Smart Machine Smart Decision 4.4 RF traces note 4.4.1      RF traces layout Keep the RF trace from module ant pin to antenna as short as possible RF trace should be 50 Ω either on the top layer or in the inner layer RF trace should be avoided right angle and sharp angle. Put enough GND vias around RF traces. RF trace should be far away from other high speed signal lines.
PAGE 49
Smart Machine Smart Decision Figure 31: The distance between GND to the inner conductor of SMA  GND pads around the ANT pad should not be hot pad to keep the GND complete. 4.4.2    LTE ANT and other system ANT decoupling Make sure the efficiency of LTE main ANT more than 40% Keep the decoupling of LTE main ANT to WLAN ANT more than 15dB Keep the decoupling of LTE main ANT to GNSS ANT more than 30dB Note:The decoupling value can be provided by ANT adventure.
PAGE 50
Smart Machine Smart Decision 5 Electrical Specifications 5.1 Absolute maximum ratings Absolute maximum rating for digital and analog pins of SIM7080G are listed in the following table: Table 26: Absolute maximum ratings Parameter Voltage on VBAT Voltage on USB_VBUS Voltage at digital pins (RESET,GPIO,I2C,UART,PCM) Voltage at PWRKEY ADC Min. -0.3 -0.3 Typ. - Max. 6.0 6.0 Unit V V -0.3 - 2.1 V -0.3 -0.3 - 2.1 1.
PAGE 51
Smart Machine Smart Decision 5.2 Operating conditions Table 27: Recommended operating ratings Parameter Voltage at VBAT Voltage at USB_VBUS Min. 2.7 3.5 Typ. 3.8 5.0 Max. 4.8 5.25 Unit V V Make sure that the voltage on the VBAT pins will never drop below 2.7V, even during a transmit burst. Otherwise, module will be power down. Table 28: 1.8V Digital I/O characteristics* Parameter Description Min. Typ. Max. Unit VIH High-level input voltage 1.17 1.8 2.1 V VIL Low-level input voltage -0.
PAGE 52
Smart Machine Smart Decision 5.3 Operating Mode 5.3.1 Operating Mode Definition The table belowsummarizes the various operating modes of SIM7080G product. Table 30: Operating mode Definition Normal operation Mode Function Sleep In this case, the current consumption of module will be reduced to the minimal level and the module can still receive paging message and SMS. Idle Software is active. Module is registered to the network, and the module is ready to communicate.
PAGE 53
Smart Machine Smart Decision reducing power consumption. 5.3.2 Sleep mode Module can enter into sleep mode for reducing its power consumption in idle module. In sleep mode, the current consumption of module will be reduced to very small level, and module can still receive paging message and SMS. Several hardware and software conditions must be satisfied together in order to let SIM7080G enter sleep mode:  USB condition: Connected USB can’t enter into sleep mode.
PAGE 54
Smart Machine Smart Decision 5.3.4 Power Saving Mode (PSM) SIM7080G module can enter into PSM for reducing its power consumption. The mode is similar to power-off, but the module remains registered on the network and there is no need to re-attach or re-establish the network connections. So in PSM all the functions will be unavailableexcept the RTC function, module cannot immediately respond users’ requests. When the module wants to use the PSM,it can be enabled via “AT+CPSMS=1” command.
PAGE 55
Smart Machine Smart Decision 5.4 Current Consumption The current consumption is listed in the table below. Table 31: Current consumption on VBAT Pins (VBAT=3.8V) GNSS GNSS supply current (AT+CFUN=0,without USB connection) Tracking, typical: 52mA Sleep/idle mode LTE supply current (GNSS off，without USB connection) Sleep modeTypical: 1.2mA Idle mode Typical: 14mA Power SavingMode PSM supply current PSM mode Typical: 3uA e-DRX e-DRXmode supply current （Tested in sleep mode） @PTW=40.96s；eDRX=81.
PAGE 56
Smart Machine Smart Decision LTE-FDD B1 LTE-FDD B2 LTE-FDD B3 LTE-FDD B4 LTE-FDD B5 LTE-FDD B8 LTE-FDD B12 LTE-FDD B13 LTE Cat-M1 Data Transmission (10MHz) LTE-FDD B14 LTE-FDD B18 LTE-FDD B19 LTE-FDD B20 LTE-FDD B25 LTE-FDD B26 LTE-FDD B27 LTE-FDD B28 LTE-FDD B66 SIM7080G _Hardware Design _V1.
PAGE 57
Smart Machine Smart Decision LTE-FDD B1 LTE-FDD B2 LTE-FDD B3 LTE-FDD B4 LTE-FDD B5 LTE-FDD B8 LTE-FDD B12 LTE Cat-NB1/NB2 Data Transmission (15KHz single tone) LTE-FDD B13 LTE-FDD B18 LTE-FDD B19 LTE-FDD B20 LTE-FDD B25 LTE-FDD B26 LTE-FDD B28 LTE-FDD B66 LTE-FDD B71 SIM7080G _Hardware Design _V1.
PAGE 58
Smart Machine Smart Decision 5.5 ESD Notes SIM7080G is sensitive to ESD in the process of storage, transporting, and assembling. When SIM7080G is mounted on the users’ mother board, the ESD components should be placed beside the connectors which human body may touch, such as SIM card holder, audio jacks, switches, keys, etc. The following table shows SIM7080G ESD measurement performance without any external ESD component. Table 32: The ESD performance measurement table (Temperature: 25℃, Humidity: 45%.
PAGE 59
Smart Machine Smart Decision 6 SMT Production Guide 6.1 Top and Bottom View of SIM7080G Figure 33: Top and bottom view of SIM7080G SIM7080G _Hardware Design _V1.
PAGE 60
Smart Machine Smart Decision 6.2 Label Information Figure 34: Label information Table 33: The description of label information No. Description A LOGO B No.1 Pin C Project name D Product code E Serial number F International mobile equipment identity G QR code SIM7080G _Hardware Design _V1.
PAGE 61
Smart Machine Smart Decision 6.3 Typical SMT Reflow Profile SIMCom provides a typical soldering profile. Therefore the soldering profile shown below is only a generic recommendation and should be adjusted to the specific application and manufacturing constraints. Figure 35: The ramp-soak-spike reflow profile of SIM7080G Note: For more details about secondary SMT, please refer to the document [19]. SIM7080G _Hardware Design _V1.
PAGE 62
Smart Machine Smart Decision 6.4 Moisture Sensitivity Level (MSL) SIM7080G is qualified to Moisture Sensitivity Level (MSL) 3 in accordance with JEDEC J-STD-033. The following table shows thefeatures of Moisture Sensitivity Level (MSL). After seal off, storage conditions must meet the following table. If the storage time was expired, module must be baking before SMT.
PAGE 63
Smart Machine Smart Decision 6.5 Baking In order to get better yield, the module need to bake before SMT.  If the packaging is in perfect condition, the module which dateofproduction is within six months has no use for baking. If the dateofproduction is more thansix months, the module must be baking.  If the packaging had been opened or damaged, the module must be baking.
PAGE 64
Smart Machine Smart Decision 6.6 Stencil Foil Design Recommendation The recommended thickness of stencil foil is 0.15mm. Figure 36: stencilrecommendation (Unit: mm) SIM7080G _Hardware Design _V1.
PAGE 65
Smart Machine Smart Decision 7 Packaging 7.1 Tray packaging SIM7080G module support tray packaging. Figure 37: packaging diagram Module tray drawing： Figure 38: Tray drawing SIM7080G _Hardware Design _V1.
PAGE 66
Smart Machine Smart Decision Table 36: Tray size Length（±3mm） Width（±3mm） Module number 161.0 50 242.0 Small carton drawing： Figure 39: Small carton drawing Table 37: Small Carton size Length（±10mm） 270 Width（±10mm） Height（±10mm） Module number 180 120 50*20=1000 Big carton drawing： Figure 40: Big carton drawing SIM7080G _Hardware Design _V1.
PAGE 67
Smart Machine Smart Decision Table 38: Big Carton size Length（±10mm） 380 Width（±10mm） Height（±10mm） Module number 280 280 1000*4=4000 SIM7080G _Hardware Design _V1.
PAGE 68
Smart Machine Smart Decision Appendix A. Reference Design Refer to for the details. GNSS Antenna RF Antenna 33pF LXES15AAA1-153 0R TVS 32 RF_ ANT NC NC 30 GND 31 GND 33 GND 68 GNSS_ ANT NC NC 66 GND 67 GND LED 43 RFMIPI_ DATA 44 RFMIPI_ CLLK VBAT Power supply 510R 41 NETLIGHT 4.7K 4.7K Power supply VBAT 100uF 100uF 100uF 1uF 34 VBAT 35 VBAT 36 GND 37 GND LED SIM7080G VBAT Power supply 510R 4.
PAGE 69
Smart Machine Smart Decision B. Design check list Table 39: Schematic Check List NO. 1 2 3 4 5 6 7 Items Insure the supply voltage for VBAT is withintherangeof 2.7V~4.8V. Insure the maximum supply current for VBAT is above its consumption when it is maximum power emission. Insure the capacitor for VBAT is meet its request, in order to avoid the voltage drop exceed 200mV. And the voltage never dropped below 2.7V. Insure the input signal for PWRKEY pin meet its electrical level match.
PAGE 70
Smart Machine Smart Decision 8 9 Insure TVS avoid bypass. The trace must go through TVS pad first, and then arrived module pad. There should be enough ground around the RF line. RF linesRouting prohibit right angles and sharp angles,trying to trace circular or obtuse angle line. 10 The RF line reference GND should be complete. And avoid high speed lines crossing below it.
PAGE 71
Smart Machine Smart Decision C. Coding Schemes and Maximum Net Data Rates over Air Interface Table 41: Coding Schemes and Maximum Net Data Rates over Air Interface LTE-FDD device category (Downlink) Category M1 Category NB2 LTE-FDD device category (Uplink) Category M1 Category NB2 SIM7080G _Hardware Design _V1.
PAGE 72
Smart Machine Smart Decision D. Related Documents Table 42: Related Documents NO. [1] [2] Title SIM7080GAT Command ManualV1.xx 3GPP TS 51.010-1 [3] 3GPP TS 34.124 [4] 3GPP TS 34.121 [5] 3GPP TS 34.123-1 [6] 3GPP TS 34.123-3 [7] EN 301 908-02 V2.2.1 [8] EN 301 489-24 V1.2.1 [9] [10] IEC/EN60950-1(2001) 3GPP TS 51.010-1 [11] 2002/95/EC [12] Module secondary-SMT-UGDV1.xx SIM7080G UARTApplication Note_V1.xx ETSI EN 301 908-13 (ETSI TS 136521-1 R13.4.
PAGE 73
Smart Machine Smart Decision E.
PAGE 74
Smart Machine Smart Decision PCB PCS RF RMS RTC SIM SMS SMPS TDMA TE TX UART VSWR SM NC EDGE HSDPA HSUPA ZIF WCDMA VCTCXO SIM UMTS UART PSM Printed Circuit Board Personal Communication System, also referred to as GSM 1900 Radio Frequency Root Mean Square (value) Real Time Clock Subscriber Identification Module Short Message Service Switched-mode power supply Time Division Multiple Access Terminal Equipment, also referred to as DTE Transmit Direction Universal Asynchronous Receiver & Transmitter Voltage St
PAGE 75
Smart Machine Smart Decision F. Safety Caution Table 44: Safety Caution Marks Requirements When in a hospital or other health care facility, observe the restrictions about the use of mobiles. Switch the cellular terminal or mobile off, medical equipment may be sensitive and not operate normally due to RF energy interference. Switch off the cellular terminal or mobile before boarding an aircraft. Make sure it is switched off.
PAGE 76
Smart Machine Smart Decision Contact us: Shanghai SIMCom Wireless Solutions Ltd. Add: SIM Technology Building, No.633, Jinzhong Road, Changning District, Shanghai P.R. China 200335 Tel：+86 21 3157 5100 / +86 21 3157 5200 URL：www.simcom.com SIM7080G _Hardware Design _V1.
PAGE 77
Smart Machine Smart Decision Antenna requirements 1. Antenna List: Type: vehicle antenna with standard SMA connector(50ohm); Model: MF25D Antenna Gain: 3dBi 2. The user must match the MF25D antenna with the non-standard SMA connector and cannot change the antenna.
PAGE 78
Smart Machine Smart Decision FCC Statement This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
PAGE 79
Smart Machine Smart Decision IC Warning This device complies with Industry Canada licence-exempt RSS standard(s). Operation is subject to the following two conditions: (1) This device may not cause interference, and (2) This device must accept any interference, including interference that may cause undesired operation of the device. The modular can be installed or integrated in mobile or fix devices only. This modular cannot be installed in any portable device.