Gms-d1 GPS Antenna Module Data Sheet
Contents
1. GlobalTop Technology Document Gmm g3 DataSheet Tape Reel Ver VOD 2 6 Specification Description Frequency GPS L1 1575 42MHz GLONASS L1 1598 0625 1605 375MHz Sensitivity Acquisition 148dBm cold start GPS portion Reacquisition 163dBm Hot start Tracking 165dBm SV Number GPS 1 32 GLONASS 65 96 Galileo System Galileo will later be supported TTFF Hot start 1 second typical No of SVs gt 4 C N gt 40dB Warm start 33 seconds typical PDop lt 1 5 Cold start 35 seconds typical 60 seconds Max Position Accuracy Without aid 3 0m 50 CEP DGPS SBAS WAAS EGNOS MSAS GAGAN 2 5m 50 CEP Velocity Accuracy Without aid 0 1m s DGPS SBAS WAAS EGNOS MSAS GAGAN 0 05m s Timing Accuracy 1PPS Output 10ns RMS Maximum 18 000m 60 000 feet Velocity Maximum 515m s 1000 knots Acceleration Maximum 4G Update Rate 1Hz default maximum 10Hz Baud Rate 9600 bps default SBAS default QZSS WAAS EGNOS MSAS GAGAN Power Supply VCC 3 0V to 4 3V VBACKUP 2 0V to 4 3V Current Consumption er 3 3V 1Hz Update Rate GPS GLONASS 35mA acquisition 29mA tracking Backup Power Consumption 3V VCC OFF eae de Power Saving Periodic ScteLU lp Uae AZ UME Standby mode 574uA TYP Working Temperature 40 C to 85 C GAGAN will be supported This document is the exclusive property of GlobalTop Tech Inc and should not be distributed reproduced into any other format without pri2. After the pre baking process please make sure the temperature is sufficiently cooled down to 35 C or below in order to prevent any tray deformation Double check to see if the surrounding components around the GNSS module are displaying symptoms of cold weld ing or false welding If there is any bending or deformation to the PCBA board this might causes the PCBA to collide into One another during the unloading process If the operator is planning to readjust the module position please do not touch the patch antenna while the module is hot in order to prevent rotational offset between the patch antenna and module Note References to patch antenna is referred to GNSS modules with integrated Patch on top antennas Gms Module Series and may not be applicable to all GNSS modules This document is the exclusive property of GlobalTop Tech Inc and should not be distributed reproduced into any other format without prior permission of GlobalTop Tech Inc Specifications subject to change without prior notice Copyright 2013 GlobalTop Technology Inc All Rights Reserved GlobalTop Technology Gmm g3 DataSheet Tape Reel Before handling the PCBA they must be cooled to 35 C or below after they have undergone a reflow soldering process in order to prevent positional shift which may occurred when the module is still hot 1 When separating the PCBA panel into individual pieces using the V Cut process special
3. DataSheet Tape Reel Ver VOD 11 2 2 Recommended PCB pad Layout Unit mm Tolerance 0 1mm Top view This document is the exclusive property of GlobalTop Tech Inc and should not be distributed reproduced into any other format without prior permission of GlobalTop Tech Inc Specifications subject to change without prior notice Copyright 2013 GlobalTop Technology Inc All Rights Reserved GlobalTop Technology Document Gmm g3 DataSheet Tape Reel Ver VOD 2 3 Pin Configuration l ANTENNA_IN VEC 16 2 GND GND 15 3 VANT VBACKUP 14 4 GND 3D FIX 13 5 TXDB RXDA 12 6 RXDB TXDA 1 J NRESET GND 10 8 GND IPPS 9 Top view 2 4 Pin Assignment Pin Name I O Description amp Note Lee fe God CS VANT ae External Antenna power input a fewo PR Gome TXDB or Serial Data Output eer RXDB EE Serial Data Input for DGPS RTCM data streaming NRESET BAS Reset Input Low Active efa fe feom CS o 1PPS Eo 1PPS Time Mark Output 2 8V CMOS Level pao few Grom CS TXDA Eor Serial Data Output A for NMEA output TTL RXDA a Serial Data Input A for Firmware update TTL pas sore o omor OOO Caa VaacKuP Pi Backup power input for RTC E navigation data keep as jeno md O O O e ve e neonne O This document is the exclusive property of GlobalTop Tech Inc and should not be distributed reproduced into any other format without prior permission of GlobalTop Tech Inc Specifications subject to change without
4. GLONASS GLGSV Table 8 contains the values for the following example SGPGSV 4 1 14 28 75 321 44 42 54 137 39 20 53 080 44 17 40 330 44 77 SGPGSV 4 2 14 04 33 253 43 32 28 055 41 08 26 212 40 11 14 055 33 7F SGPGSV 4 3 14 10 12 198 07 06 179 38 23 04 125 44 27 02 314 7E SGPGSV 4 4 14 193 42 01 36 45 Table 8 GPGSV Data Format Name Example Units Description Message ID serasy ess GSV protocol header Number of Depending on the number of satellites Messages tracked multiple messages of GSV data may be required N Message Number 1 MessageNumber 2S SatelitesinView 14 S Satelite 28 Chameli Range1to3 SNR CINO a4 dBMe Range 0 to 99 null when not tracking sateliteID 17 Channel4 Range 1to32 Elevation 40 degrees Channel 4 Maximum 90 SNR C N a4 dehe Range 0t099 null when not tracking checksum 7 O TCS lt c Endof message termination Note6 The maximum every GSV sentence only include information for 4 SVs This document is the exclusive property of GlobalTop Tech Inc and should not be distributed reproduced into any other format without prior permission of GlobalTop Tech Inc Specifications subject to change without prior notice Copyright 2013 GlobalTop Technology Inc All Rights Reserved GlobalTop Technology Document Gmm g3 DataSheet Tape Reel Ver VOD 22 Table 9 contains the values for the following example SGLGSV 4 1 1
5. of GlobalTop Tech Inc and should not be distributed reproduced into any other format without prior permission of GlobalTop Tech Inc Specifications subject to change without prior notice Copyright 2013 GlobalTop Technology Inc All Rights Reserved 31 GlobalTop Technology Document Gmm g3 DataSheet Tape Reel Ver VOD 32 The moisture color coded card provides an insight to the relative humidity in percentage RH When the GNSS modules are taken out it should be around or lower than 30 RH level Outside each electrostatic bag is a caution label for moisture sensitive device Caution 4 This bag contains MOISTURE SENSITIVE amp ELECTROSTATIC SENSITIVE DEVICES 1 Calculated shelf life in package bag 6 months at lt 30 C and lt 60 relative humidity RH a Temperature and Humidity must be controlled in SMT production line and storage area Temperature of 23 C 60 5 RH humidity is highly recommended please refer to IPQC for more information 2 Devices require bake before mounting and subjected to reflow solder 3 After baking devices that will be subjected to reflow solder or other high temperature process must be mounted within 72 hours of factory conditions lt 30 C 60 RH 4 Peak package body temperature 250 0 5 C a The reflow temperature and its profile data must be measured before the SMT process and match the levels HuMISENSOR and guidelines set by IPQC b When performing solde
6. permission of GlobalTop Tech Inc Specifications subject to change without prior notice Copyright 2013 GlobalTop Technology Inc All Rights Reserved 33 GlobalTop Technology Document Gmm g3 DataSheet Tape Reel Ver VOD 5 5 ESD Handling A Please carefully follow the following precautions to prevent severe damage to A GNSS modules GlobalTop GNSS modules are sensitive to electrostatic discharges and thus are Electrostatic Sensitive Devices ESD Careful handling of the GNSS modules particularly to its patch antenna if included and RF_IN pin Please follow the standard ESD safety practices stated below y Unless there is a galvanic coupling between the local GND and the PCB GND then the first point of contact when handling the PCB shall always be between the local GND and PCB GND yY Before working with RF_IN pin please make sure the GND is connected v When working with RF_IN pin do not contact any charged capacitors or materials that can easily develop or store charges such as patch antenna coax cable soldering iron v Please do not touch the mounted patch antenna to prevent electrostatic discharge from the RF input v When soldering RF_IN pin please make sure to use an ESD safe soldering iron tip This document is the exclusive property of GlobalTop Tech Inc and should not be distributed reproduced into any other format without prior permission of GlobalTop Tech Inc Specifications subject to change
7. prior notice Copyright 2013 GlobalTop Technology Inc All Rights Reserved 12 GlobalTop Technology Document Gmm g3 DataSheet Tape Reel Ver VOD 13 2 5 Description of I O Pin Antenna_IN Pin1 This is the GNSS RF signal input pin which can be connected to a passive antenna or an active antenna GND Pin2 Pin4 Pin8 Pin10 Pin15 Ground VANT Pin3 The power supply input for external active antenna The input voltage should be kept from 2 5V to 5V TXDB Pin5 This is the UART transmitter of the module It is used for customization by firmware If not used keep floating RXDB Pin6 This pin receive DGPS data of RTCM protocol TTL level if not used keep floating NRESET Pin7 Low active it causes the module to reset If not used keep floating 1PPS Pin9 This pin provides one pulse per second output from the module and synchronizes to GPS time Keep floating if not used TXDA Pin11 This is the UART A transmitter of the module It outputs GPS information for application This document is the exclusive property of GlobalTop Tech Inc and should not be distributed reproduced into any other format without prior permission of GlobalTop Tech Inc Specifications subject to change without prior notice Copyright 2013 GlobalTop Technology Inc All Rights Reserved GlobalTop Technology Document 14 Gmm g3 DataSheet Tape Reel Ver VOD RXDA Pin12 This is the UART A receiver of
8. the module It is used to receive commands from system 3D_FIX Pin13 The 3D_FIX is assigned as a fix flag output The timing behavior of this pin can be configured by custom firmware for different applications Example waking up host MCU If not used keep floating E Before 2D Fix The pin should continuously output one second high level with one second low level signal 1s 1s E After 2D or 3D Fix The pin should continuously output low level signal Low VBACKUP Pin14 This connects to the backup power of the GNSS module Power source such as battery connected to this pin will help the GNSS chipset in keeping its internal RTC running when the main power source is turned off The voltage should be kept between 2 0V 4 3V Typical 3 0V IF VBACKUP power was not reserved the GNSS module will perform a lengthy cold start every time it is powered on because previous satellite information is not retained and needs to be re transmitted If not used keep open VCC Pin16 The main DC power supply for the module The voltage should be kept between from 3 0V to 4 3V The ripple must be limited under 50mVpp Typical 3 3V This document is the exclusive property of GlobalTop Tech Inc and should not be distributed reproduced into any other format without prior permission of GlobalTop Tech Inc Specifications subject to change without prior notice Copyright 2013 GlobalTop Technology Inc All Rights Reserved
9. used in the position solution and DOP values GSV The number of GPS satellites in view satellite ID numbers elevation azimuth and SNR values RMC Time date position course and speed data The recommended minimum navigation information VTG Course and speed information relative to the ground Table 2 lists NMEA output sentences in GPS system and GLONASS system Table 2 NMEA Output Sentence for GPS and GNSS GGA GSA GSV RMC VTG System GNSS GPGSV GPRMC tes GPS GLONASS GLesv Nete4 r GNRMC Note4 Talker ID GP means GPS satellite or GL means GLONASS satellite Note5 As soon as GNSS module receives GPS satellite and GLONASS satellite it uses Talker ID GN to replace GP for GSA and RMC sentence This document is the exclusive property of GlobalTop Tech Inc and should not be distributed reproduced into any other format without prior permission of GlobalTop Tech Inc Specifications subject to change without prior notice Copyright 2013 GlobalTop Technology Inc All Rights Reserved GlobalTop Technology Document 18 Gmm g3 DataSheet Tape Reel Ver VOD Example GPS system GPGGA 064951 000 2307 1256 N 12016 4438 E 1 8 0 95 39 9 M 17 8 M 65 SGPGSA A 3 29 21 26 15 18 09 06 10 2 32 0 95 2 11 00 SGPGSV 3 1 09 29 36 029 42 21 46 314 43 26 44 020 43 15 21 321 39 7D SGPGSV 3 2 09 18 26 314 40 09 57 170 44 06 20 229 37 10 26 084 37 77 SGPG
10. 5 72 45 084 40 77 39 246 44 87 36 014 44 65 33 157 36 62 SGLGSV 4 2 15 78 26 306 41 88 23 315 42 76 15 192 38 86 13 067 38 64 SGLGSV 4 3 15 71 12 035 38 54 Table 9 GLGSV Data Format Name Example Units Description Message ID SGLGSV ar are GSV protocol header Number of Messages Depending on the number of satellites tracked multiple messages of GSV data may be required N Message Number t J Satellites in View 15 SatelliteID 72 Channel Range 1to32 Azimuth degrees Channel 1 True Range 0 to 359 SNR C No dBHz Range 0 to 99 e when not eae oo Azimuth degrees Channel 4 True Range 0 to 359 oo lt lt On lt CR gt lt LF gt Endofmessage termination Note7 The maximum every GSV sentence only include information for 4 SVs This document is the exclusive property of GlobalTop Tech Inc and should not be distributed reproduced into any other format without prior permission of GlobalTop Tech Inc Specifications subject to change without prior notice Copyright 2013 GlobalTop Technology Inc All Rights Reserved GlobalTop Technology Document Gmm g3 DataSheet Tape Reel Ver VOD 23 RMC Recommended Minimum Navigation Information Table 10 contains the values for the following example SGPRMC 064951 000 A 2307 1256 N 12016 4438 E 0 03 165 48 260406 3 05 W A 2C Table 10 RMC Data Format Name Example Units Description Message ID SGPRMC_ RMC protoc
11. Data Sheet GlobalTop Technology Inc FireFly 1 GNSS Module Data Sheet Part Number Gmm g3 Revision VOD 68 oy OME IAH TK A ZOA c5 wwg vOLOL L Z1ez doy mz 5 O29 08 FireFly 1 is a 5h generation stand alone GNSS module with lightning fast TTFF ultra high sensitivity 165dBm and exceptional low power consumption in a small form factor 11 5 13 2 1mm This document is the exclusive property of GlobalTop Tech Inc and should not be distributed reproduced into any other format without prior permission of GlobalTop Tech Inc Specifications subject to change without prior notice Copyright 2013 GlobalTop Technology Inc All Rights Reserved No 16 Nan ke 9 Rd Science Based Industrial Park Tainan 741 Taiwan R O C Tel 886 6 5051268 Fax 886 6 5053381 Email sales gtop tech com Web www gtop tech com GlobalTop Technology Document Gmm g3 DataSheet Tape Reel Ver VOD Version History Title GlobalTop FireFly 1 Datasheet Tape Reel Subtitle GNSS Module Doc Type Datasheet Revision Date Author Description VOA 2013 03 08 Yingjie First Release VOB 2013 6 20 Yingjie Revise Backup Power Consumption Modify 3 1 NMEA Output Sentences Note1 Update does not support GAGAN yet VOC 2013 07 05 Delano Remove note marked as 1 near the term Sensitivity Revise 10ns jitter to 10ns RMS jitter VOD 2012 12 26 Dylan Add Power Saving Current Update GSV GNSS Satellites in View Add GAGAN sy
12. NSS module to prevent positional shift during the loading process Before the PCBA is going through the reflow soldering process the operators should check with his her own eyes to see if there are positional offset to the module The reflow temperature and its profile data must be measured before the SMT process and match the levels and guidelines set by IPQC If SMT protection line is running a double sided process for PCBA please process GNSS module during the second pass only to avoid repeated reflow exposures of the GNSS module Please contact GlobalTop beforehand if you must process GNSS module during the 1 pass of double side process Figure 4 Place GNSS module right side up when running reflow solder process do not invert This document is the exclusive property of GlobalTop Tech Inc and should not be distributed reproduced into any other format without prior permission of GlobalTop Tech Inc Specifications subject to change without prior notice Copyright 2013 GlobalTop Technology Inc All Rights Reserved rScejey GlobalTop Technology Document Gmm g3 DataSheet Tape Reel Ver VOD 6 2 Manual Soldering Soldering iron Heat temperature under 380 C Time under 3 sec Notes 1 Please do not directly touch the soldering pads on the surface of the PCB board to prevent further oxidation 2 The solder paste must be defrosted to room temperature before use so it can return to its optimal working temper
13. SV 3 3 09 07 26 73 SGPRMC 064951 000 A 2307 1256 N 12016 4438 E 0 03 165 48 260406 3 05 W A 2C SGPVTG 165 48 T M 0 03 N 0 06 K A 37 GNSS GPS GLONASS system SGPGGA 064951 000 2307 1256 N 12016 4438 E 1 8 0 95 39 9 M 17 8 M 65 SGNGSA A 3 08 28 20 04 32 17 11 1 00 0 63 0 77 1B This line for GPS satellite SGNGSA A 3 77 76 86 78 65 88 87 71 72 1 00 0 63 0 77 17 This line for GLONASS satellite SGPGSV 4 1 14 28 75 321 44 42 54 137 39 20 53 080 44 17 40 330 44 77 Talker ID GP for GPS satellite SGPGSV 4 2 14 04 33 253 43 32 28 055 41 08 26 212 40 11 14 055 33 7F SGPGSV 4 3 14 10 12 198 07 06 179 38 23 04 125 44 27 02 314 7E SGPGSV 4 4 14 193 42 01 36 45 SGLGSV 3 1 09 72 45 084 40 77 39 246 44 87 36 014 44 65 33 157 36 62 Talker ID GL for GLONASS satellite SGLGSV 3 2 09 78 26 306 41 88 23 315 42 76 15 192 38 86 13 067 38 64 SGLGSV 3 3 09 71 12 035 38 54 SGNRMC 064951 000 A 2307 1256 N 12016 4438 E 0 03 165 48 260406 3 05 W A 2C Talker ID GN for GPS GLONASS satellite GPVTG 165 48 T M 0 03 N 0 06 K A 37 This document is the exclusive property of GlobalTop Tech Inc and should not be distributed reproduced into any other format without prior permission of GlobalTop Tech Inc Specifications subject to change without prior notice Copyright 2013 GlobalTop Technology Inc All Rights Reserved GlobalTop Technology Document Gmm g3 DataSheet Tape Reel Ver VOD 19 GGA Fixe
14. aleostuluvedlduussinienteuciiiusadensedinuibdesasiens 5A Moist te OTIS ULV MOY nisoria ing Wes acta ad aut a e ae a E E 29 5 2 Tape Reel Packing Information ic jcidsinecoedetd cceceaiacessedsgaseacoesdancandaeesnedeoesndeadgoceuGtuadentecs 30 5 3 Storage and Floor Life Guideline eseeeseeeeessesessessteeresressessrestesseesrerresseesesreeseeseeee 33 SP DY T E E E 33 5 9 ESD Handling cts ca ace teenecics nasiesatien scueseiem fuss neous E E TR 34 6 Reflow Soldering Temperature Profile ccccsssscccccsssseccccssssccccecssscccccesssceccessceccenesseesees 6 1 SMT Reflow Soldering Temperature Profile eee eeeceeeeeeeseeceseeeseeeseeesaeeeaeenes 35 6 2 Manual Soldering cd scart do accor denen ececcuesoraclslagaceupae edeceatiacceres TEA A 39 7 Contact TAEON INARI ON sn sasis vcs sco osicoitennehcueas ib axeviedulencancis ahaviconan casndonenieduws skoo b aN EKNE So oD K ENEEK oK anai This document is the exclusive property of GlobalTop Tech Inc and should not be distributed reproduced into any other format without prior permission of GlobalTop Tech Inc Specifications subject to change without prior notice Copyright 2013 GlobalTop Technology Inc All Rights Reserved GlobalTop Technology Document Gmm g3 DataSheet Tape Reel Ver VOD 1 Functional Description 1 1 Overview GlobalTop FireFly 1 module is a dual system GNSS receiver which acquires and tracks GPS GLONASS systems concurrently to provide high sensi
15. atellite system gt SGPGSA A 3 29 21 26 15 18 09 06 10 2 32 0 95 2 11 00 GPS GLONASS satellite system gt SGNGSA A 3 08 28 20 04 32 17 11 1 00 0 63 0 77 1B GPS satellite SGNGSA A 3 77 76 86 78 65 88 87 71 72 1 00 0 63 0 77 17 GLONASS satellite Table 5 GSA Data Format Name Example Units Description Message ID SGNGSA 3 esa GSA protocol header Mode 1 A __ See Table 6 3 See Table 7 Mode 2 Satellite Used 08 SV on Channel 1 Satellite Used Satellite Used 28 SV on Channel 2 _ _ lt SV on Channel 12 1 00 Position Dilution of Precision HDOP Horizontal Dilution of Precision VDOP Vertical Dilution of Precision a eee lt CR gt lt LF gt Fs End of message termination Note GPS SV No 01 32 GLONASS SV No 65 96 Table 6 Mode 1 Manual forced to operate in 2D or 3D mode 2D Automatic allowed to automatically switch 2D 3D Table 7 Mode 2 Fix not available 2D lt 4 SVs used 3 3D 4 SVs used Document Ver VOD This document is the exclusive property of GlobalTop Tech Inc and should not be distributed reproduced into any other format without prior permission of GlobalTop Tech Inc Specifications subject to change without prior notice Copyright 2013 GlobalTop Technology Inc All Rights Reserved 20 GlobalTop Technology Document Gmm g3 DataSheet Tape Reel Ver VOD 21 GSV Satellites in View includes GPS GPGSV and
16. attentions are needed to ensure that there are sufficient gap between patch antennas 2 If V Cut process is not available and the pieces must be separated manually please make sure the operators are not using excess force which may cause rotational offset to the patch antennas When separating panel into individual pieces during latter half of the production process special attentions are needed to ensure the patch antennas do not come in contact with one another in order to prevent chipped corners or positional shifts 1 One may use electric fans behind the reflow machine to cool them down 2 Cooling the PCBA can prevent the module from shifting due to fluid effect 1 The blade and the patch antenna must have a distance gap greater than 0 6mm 2 Do not use patch antenna as the leverage point when separating the panels by hand Use tray to separate individual pieces Document Ver VOD 37 It is very easy to cause positional offset to the module and its patch antenna when handling the PCBA under high temperature 1 Test must be performed first to determine if V Cut process is going to be used Ensure that there is enough space between the blade and the patch antenna so that they do not touch one another 2 An uneven amount of manual force applied to the separation will likely to cause positional shift in patch antenna and module It is possible to chip corner and or cause a
17. ature The time required for this procedure is unique and dependent on the properties of the solder paste used 3 The steel plate must be properly assessed before and after use so its measurement stays strictly within the specification set by SOP 4 Please watch out for the spacing between soldering joint as excess solder may cause electrical shortage 5 Please exercise with caution and do not use extensive amount of flux due to possible siphon effects on neighboring components which may lead to electrical shortage 6 Please do not use the heat gun for long periods of time when removing the shielding or inner components of the GNSS module as it is very likely to cause a shift to the inner components and will leads to electrical shortage 7 Contact Information GlobalTop Technology Inc Address No 16 Nan ke 9th Road Science based Industrial Park Tainan 741 Taiwan Tel 886 6 5051268 Fax 886 6 5053381 Website www gtop tech com Email sales gtop tech com This document is the exclusive property of GlobalTop Tech Inc and should not be distributed reproduced into any other format without prior permission of GlobalTop Tech Inc Specifications subject to change without prior notice Copyright 2013 GlobalTop Technology Inc All Rights Reserved 39
18. buted reproduced into any other format without prior permission of GlobalTop Tech Inc Specifications subject to change without prior notice Copyright 2013 GlobalTop Technology Inc All Rights Reserved GlobalTop Technology Document Gmm g3 DataSheet Tape Reel Ver VOD 26 3 2 MTK NMEA Command Protocols Packet Type 103 PMTK_CMD_COLD_START Packet Meaning Cold Start Don t use Time Position Almanacs and Ephemeris data at re start Example PMTK103 30 lt CR gt lt LF gt 3 3 Firmware Customization Services GlobalTop also offers flexible value adding GPS firmware customization services that maximize the overall system efficiencies and power consumptions To find out the latest features like Binary Mode One Sentence Output Geo fencing and Last Position Retention please visit our website at www gtop tech com Note that not all firmware customization services listed below are supported for all products Please contact GlobalTop sales representatives or technical support for more details Ero GlobalTop Firmware Customization Services Gtoba ror fast postion fix with preloaded ephemeris variable sized circular and polygonal perimeter for in out of zone warning output position in binary format for increase effciency fast refresh rate for high speed applications saves battery by powering off unused components outputs last known position coordinates after losing GPS satellite fix calcula
19. d Data Time Position and fix related data Table 3 contains the values for the following example SGPGGA 064951 000 2307 1256 N 12016 4438 E 1 8 0 95 39 9 M 17 8 M 65 Table 3 GGA Data Format Neme O ample units Description Message ID GPGGA GGA protocol header _ Z UTC Time 064951 000 hhmmss sss S Latitude 2307 1256 ddmm mmmm Z o N S Indicator N NB Northorssouth Longitude 12016 4438 dddmm mmmm E W Indicator E E Eastor W West S Position Fix Indicator 1 SeeTable 4 o Satellites Used HDOP 095 Horizontal Dilution of Precision Units M________ meters_ Units of antenna altitude Geoidal Separation 17 8 meters M Units meters Units of geoids separation Age of Diff Corr second Null fields when DGPS is not used Checksum 65 lt CR gt lt LF gt O k amp l LCC End of message termination Table 4 Position Fix Indicator Fix not available GPS fix 2 Differential GPS fix This document is the exclusive property of GlobalTop Tech Inc and should not be distributed reproduced into any other format without prior permission of GlobalTop Tech Inc Specifications subject to change without prior notice Copyright 2013 GlobalTop Technology Inc All Rights Reserved GlobalTop Technology Gmm g3 DataSheet Tape Reel GSA GNSS DOP and Active Satellites Table 5 contains the values for the following example GPS s
20. e exclusive property of GlobalTop Tech Inc and should not be distributed reproduced into any other format without prior permission of GlobalTop Tech Inc Specifications subject to change without prior notice Copyright 2013 GlobalTop Technology Inc All Rights Reserved GlobalTop Technology Document Gmm g3 DataSheet Tape Reel Ver VOD 29 5 Packing and Handling FireFly 1 like any other SMD devices is sensitive to moisture electrostatic discharge and temperature By following the standards outlined in this document for GlobalTop module storage and handling the chances of them being damaged during production set up can be reduced This section will walk you through the basics on how GlobalTop packages its modules to ensure they arrive at their destination without any damages and deterioration to performance quality It includes cautionary notes for prior to the surface mount process A Please read the sections II to V carefully to avoid permanent damages due to moisture intake A GNSS receiver modules contain highly sensitive electronic circuits and are electronic sensitive devices Improper handling without ESD protections may lead to permanent damages to the modules Please read section VI for more details 5 1 Moisture Sensitivity GlobalTop GNSS modules are moisture sensitive and must be pre baked before going through the solder reflow process It is important to know that GlobalTop GNSS modules must complete solder
21. ed based on system application for EMI Resistor R2 is added for Pull up to VCC 5 If you need more support and information on antenna implementation please contact us at sales gtop tech com gt This document is the exclusive property of GlobalTop Tech Inc and should not be distributed reproduced into any other format without prior permission of GlobalTop Tech Inc Specifications subject to change without prior notice Copyright 2013 GlobalTop Technology Inc All Rights Reserved GlobalTop Technology Document Gmm g3 DataSheet Tape Reel Ver VOD 28 4 2 Active Antenna When using an active antenna please connect the antenna directly to Pin1 Antenna_IN L1 Bead MLB 100505 0600A Ic I C2 ii M1 50 Ohm Matching Line BAT1 ML414S soe 16 EXTERNAL_ ANTENNA IN 7 15 i Hil r 4 R1 470 D1 LED 5 12 R2 10K MCU 3 3V 5 TX RX RESET ENABLE 3 3V c3 2 jJj C4 3 4 7 22n R5 10K Note 1 Ferrite bead L1 is added for power noise reduction C1 and C2 bypass capacitor should be put near the module 3 For C3 the value chosen depends on the amount of system noise the range from 1uF to 100uF is reasonable 4 Damping resistors R3 and R4 could be modified based on system application for EMI 5 Resistor R2 is added for Pull up to VCC 6 If youneed more support and information on antenna implementation please contact us at sales gtop tech com les This document is th
22. eed over Ground 0 03 knots S 165 48 260406 ddmmyy o E East or W West M V 3 05 W ae eee eaeual Bow gesices Needs GlobalTop Customization Service A Autonomous mode A D gt Differential mode E Estimated mode Checksum 2G o lt CR gt lt LF gt SS llltlt s End of message termination This document is the exclusive property of GlobalTop Tech Inc and should not be distributed reproduced into any other format without prior permission of GlobalTop Tech Inc Specifications subject to change without prior notice Copyright 2013 GlobalTop Technology Inc All Rights Reserved GlobalTop Technology Document Gmm g3 DataSheet Tape Reel Ver VOD 25 VTG Course and speed information relative to the ground Table 12 contains the values for the following example SGPVTG 165 48 T M 0 03 N 0 06 K A 37 Table 12 VTG Data Format Name Example Units Description Message ID SGPVTG aaa VTG protocol header 165 48 Measured heading Reference T True Course degrees Measured heading Reference Magnetic Variation Needs GlobalTop Customization Service Speed 0 03 knots Measured horizontal speed Units N Knots Speed 0 06 km hr_ Measured horizontal speed Units K __ Kilometers per hour A A Autonomous mode E Estimated mode cea SS SS lt CR gt lt LF gt End of message termination This document is the exclusive property of GlobalTop Tech Inc and should not be distri
23. hould not be distributed reproduced into any other format without prior permission of GlobalTop Tech Inc Specifications subject to change without prior notice Copyright 2013 GlobalTop Technology Inc All Rights Reserved GlobalTop Technology Document Gmm g3 DataSheet Tape Reel Ver VOD 4G GPS on GPS on With EASY With EASY GPS on GPS on Assist Assist Easy Easy Easy Easy On On On On 30 sec 5 sec Figure 1 12 1 EASY System operation Figure 1 12 1 show that when GPS device obtained the satellite information from GPS satellites the GPS engine automatically pre calculates to predict orbits for 3 extended days This document is the exclusive property of GlobalTop Tech Inc and should not be distributed reproduced into any other format without prior permission of GlobalTop Tech Inc Specifications subject to change without prior notice Copyright 2013 GlobalTop Technology Inc All Rights Reserved Document GlobalTop Technology Gmm g3 DataSheet Tape Reel Ver VOD 1 8 AlwaysLocate FireFly 1 uses AlwaysLocate Advance Power Periodic Mode modes to achieve power saving by adaptively adjust the on off time to achieve balance between positioning accuracy and power consumption according to the environmental and motion conditions to achieve best power conservation The following figure gives some insight on power saving under different use cases when AlwaysLocate mode i
24. me nisin sirstorm E E E E EER 10 2 2 Recommended PCB pad Layout ccccscusaaveacsaacehastaaetatuateagsneteveaasnsenatandeteteaneteaeeaes l1 2 3 Pin Config ratioi issiran aera aeia ai aaaea aa e saae 12 2A Pin Assignment orii aE AA A ESE E E TE 12 2 3 Description f VO Pinserit esiisa aiaa e Aa T aE 13 2 OS PECICA ON aesreresreae op oaase eA E E Era EEE EESE a E ANETE E EEEE EESE 15 2 7 Absolute Maximum Ratings e cieccaiscssiccdesacccasasasescccesauasedsaasasacesansedecaangeeedasessaaesausoacvans 16 2 9 Operating Conditi nS issietssssosririsii isnan nira niea Ei 16 2 9 GPS GLONASS External Antenna Specification Recommended eseeeeeeees 16 3 POROCO le capuavcdiccisnccapincsevsecestastpisapstapwncoiee ue tina rs cxenec issu cau ek canst epaevenseeeanaie snavetamnnentioariunioes 3 L NMEA O tp t CISTI C8 cela cea nse Mose oniruru sa inania sees 17 3 2 MTK NMEA Command Protocols x cicccsesecaacdiceaccspetsateietsacesceanesancgacereeateeeaien 26 3 3 Firmware Customization Services iciss sccssasiaccasastaccedeseniadsastapensssnasedtascaccsvasneousoesunsevens 26 4 Reference Design wiscscncessscacesssisicsssssaccuaninesesacescncinssniucssssantcansnnsenacsseetnetcenseisscsistiasiesseniansusans 4 1 Patch Passive Antenna scccccsi ctissesvceceivesdsasuensedcesesUesasedsdcostceveds dudvaccartdhacsdestsevenees 27 42 ActVye FINCA srein eia E ei E AEE EAE E E EA EAEE e GA 28 5 Packing and Manin svscssscssscasvenscnsasenscusecedicsabecausisanedicus
25. monly used for timekeeping in computers which may involve with the NTP protocol FireFly 1 generates highly accurate 1PPS based timing method to synchronize GPS positioning time after obtained 3D Fix 1PPS output at power on is available through firmware customization service 1 6 AGPS Support for Fast TTFF EPO in flash The AGPS EPO in flash supply the predicated Extended Prediction Orbit data to speed TTFF Users can download the EPO data to GPS engine from the FTP server via internet or wireless network The GPS engine of the module will use the EPO data to assist position calculation when the navigation information from satellites is not enough as is the case of weak signal For more details on EPO visit our website 1 7 EASY Embedded Assist System EASY is embedded within the receiver module to assist for quick positioning when not enough information is received from the satellites With EASY technology the GPS engine is able to calculate and predict up to 3 days single ephemeris automatically when power on It then saves the predicted information onto the memory So the GPS engine can use this information for positioning later if no enough information received from the satellites This function will be helpful for TTFF improvement to allow positioning even under weak signal condition such dense urban Backup power VBACKUP is required for this feature This document is the exclusive property of GlobalTop Tech Inc and s
26. ndergo pre baking procedures regardless of the storage condition 5 4 Drying When GNSS modules exposed to high temperature of solder reflow the moisture vapor pressure inside the GNSS modules increase greatly In order to prevent internal delaminating cracking of the device or the popcorn phenomenon it is necessary to undergo pre baking procedure prior to any high temperature or solder reflow process The recommended baking time for GlobalTop GNSS module is as follows v 60 C for 8 to 12 hours Once baked the module s floor life will be reset and has additional 72 hours in normal factory condition to undergo solder reflow process A Please limit the number of times the GNSS modules undergoes baking processes as repeated baking process has an effect of reducing the wetting effectiveness of the SMD pad contacts This applies to all SMT devices A Oxidation Risk Baking SMD packages may cause oxidation and or intermetallic growth of the terminations which if excessive can result in solderability problems during board assembly The temperature and time for baking SMD packages are therefore limited by solderability considerations The cumulative bake time at a temperature greater than 90 C and up to 125 C shall not exceed 96 hours Bake temperatures higher than 125 C are not allowed This document is the exclusive property of GlobalTop Tech Inc and should not be distributed reproduced into any other format without prior
27. obalTop Technology Inc All Rights Reserved GlobalTop Technology Gmm g3 DataSheet Tape Reel Before proceeding with the reflow Pre bake Time soldering process the GNSS module must be pre baked 6 Hours 60 5 C or 4 Hours 70 5 C The parameters of the reflow temperature Because PCBA along with the patch antenna is highly endothermic during the reflow soldering process Extra care must be paid to the GNSS module s solder joints if any signs of cold weld ing must be set accordingly to module s reflow soldering temperature or false welding profile A loading carrier fixture must be used with PCBA if the reflow soldering Special attentions are needed for PCBA board during reflow soldering to see if there are any symptoms of bending or deformation to the PCBA board possibly process is using rail due to the weight of the module If so conveyors for the this will cause concerns at the latter half production of the production process Before the PCBA is undergoing a reflow The operators must soldering process the production check with own eyes operators must check with own eyes to and readjust the see if there are positional offset to the position before reflow module because it will be difficult to soldering process readjust after the module has gone through reflow soldering process Document Ver VOD 36 The maximum tolerated temperature for the tray is 100 C
28. ol header UTC Time 064951 000 hhmm ss sss Status A Adata valid or VP data not valid Latitude 2307 1256 ddmm mmmm N S Indicator N NS NorthorS South Longitude 12016 4438 dddmm mmmm _ __ _ E W Indicator E ED EastorW West Speed over Ground 0 03 knots o Date 260406 ddmmyy See E gt East or W West 3 05 W ee bis aa Bosw deerees Needs GlobalTop Customization Service A Autonomous mode Mode A D gt Differential mode E Estimated mode Checksum PIC lt CR gt lt LF gt k amp wl lL End of message termination This document is the exclusive property of GlobalTop Tech Inc and should not be distributed reproduced into any other format without prior permission of GlobalTop Tech Inc Specifications subject to change without prior notice Copyright 2013 GlobalTop Technology Inc All Rights Reserved GlobalTop Technology Document Gmm g3 DataSheet Tape Reel Ver VOD 24 Table 11 contains the values for the following example SGNRMC 064951 000 A 2307 1256 N 12016 4438 E 0 03 165 48 260406 3 05 W A 2C Table 11 RMC Data Format gt Name Example Units Description Message ID GNRMC_ RMC protocol header UTC Time 064951 000 hhmmss sss Status A Adata valid or V data not valid Latitude 2307 1256 ddmm mmmm _ _ _ N S Indicator N LN North or SSouth Longitude 12016 4438 dddmm mmmm E W Indicator E E Eastor W West Sp
29. op Technology Document 6 Gmm g3 DataSheet Tape Reel Ver VOD 1 3 System Block Diagram 9 M IPPS enna r 3D FIX VANT voc i VBACKUP 1 NRESET 248 10 15 This document is the exclusive property of GlobalTop Tech Inc and should not be distributed reproduced into any other format without prior permission of GlobalTop Tech Inc Specifications subject to change without prior notice Copyright 2013 GlobalTop Technology Inc All Rights Reserved GlobalTop Technology Document Gmm g3 DataSheet Tape Reel Ver VOD 1 4 Multi tone active interference canceller Navigation system often integrated with variant applications that are not limited to Wi Fi GSM GPRS 3G 4G Bluetooth Such system as often seen generates RF harmonics which would influence the GPS reception and performance The embedded multi tone active interference canceller MTAIC is capable of rejecting unwanted RF harmonics of the nearby on board active components MTAIC improves the capacity of GPS reception leaving hardware integration engineering without the need of hardware changes FireFly 1 cancels up to 12 independent channels continuous interference wave 1 5 1PPS FireFly 1 generates a_pulse_per_second signal 1 PPS It is an electrical signal which precisely indicates the start of a second with the accuracy of 10ns RMS In general 1 PPS signals are used to provide precise timekeeping and time measurement to the system It is com
30. or permission of GlobalTop Tech Inc Specifications subject to change without prior notice Copyright 2013 GlobalTop Technology Inc All Rights Reserved 15 GlobalTop Technology Document Gmm g3 DataSheet Tape Reel Ver VOD 2 7 Absolute Maximum Ratings The voltage applied for VCC should not exceed 4 3VDC 2 8 Operating Conditions enon in ym Mane Unie operation supp wippie vanae 30 mir mommies a e v wom o e Pomme a e v momie o a v 2 9 GPS GLONASS External Antenna Specification Recommended It is important that the antenna gets a clear view of the sky and is positioned on a surface level to the horizon for best results The following specification has to meet for the use reference design This document is the exclusive property of GlobalTop Tech Inc and should not be distributed reproduced into any other format without prior permission of GlobalTop Tech Inc Specifications subject to change without prior notice Copyright 2013 GlobalTop Technology Inc All Rights Reserved 16 GlobalTop Technology Document Gmm g3 DataSheet Tape Reel Ver VOD 17 3 Protocols 3 1 NMEA Output Sentences Table 1 lists each of the NMEA output sentences specifically developed and defined by MTK for use within MTK products Table 1 NMEA Output Sentence Description GGA Time position and fix type data GSA GNSS receiver operating mode active satellites
31. r paste printing please check if ye 50 the amount of solder paste is in excess or insufficient as IF PINK both conditions may lead to defects such as electrical shortage empty solder and etc c Theusage of solder paste should follow first in first CHANGE out principle Opened solder paste needs to be abla monitored and recorded in a timely fashion Please refer to IPQC for more info WARNING FPINK 70 Bag Seal Date ___1 1 2010_ _ AVOID METAL CONTACT Figure 3 Example of moisture color coded card and caution label This document is the exclusive property of GlobalTop Tech Inc and should not be distributed reproduced into any other format without prior permission of GlobalTop Tech Inc Specifications subject to change without prior notice Copyright 2013 GlobalTop Technology Inc All Rights Reserved GlobalTop Technology Document Gmm g3 DataSheet Tape Reel Ver VOD 5 3 Storage and Floor Life Guideline Since GlobalTop modules must undergo solder reflow process in 72 hours after it has gone through pre baking procedure therefore if it is not used by then it is recommended to store the GNSS modules in dry places such as dry cabinet The approximate shelf life for GlobalTop GNSS modules packages is 6 months from the bag seal date when store in a non condensing storage environment lt 30 C 60 RH It is important to note that it is a required process for GlobalTop GNSS modules to u
32. reflow process in 72 hours after pre baking This maximum time is otherwise known as Floor Life If the waiting time has exceeded 72 hours it is possible for the module to suffer damages during the solder reflow process such as cracks and delamination of the SMD pads due to excess moisture pressure This document is the exclusive property of GlobalTop Tech Inc and should not be distributed reproduced into any other format without prior permission of GlobalTop Tech Inc Specifications subject to change without prior notice Copyright 2013 GlobalTop Technology Inc All Rights Reserved GlobalTop Technology Document 30 Gmm g3 DataSheet Tape Reel Ver VOD 5 2 Tape Reel Packing Information 1Kpcs Reel ct an A Spec H 24 541 5 T 2 2 0 2 D 99 1 5 Note 13 Reel Material P S Unit mm Figure 1 Reel Dimension This document is the exclusive property of GlobalTop Tech Inc and should not be distributed reproduced into any other format without prior permission of GlobalTop Tech Inc Specifications subject to change without prior notice Copyright 2013 GlobalTop Technology Inc All Rights Reserved GlobalTop Technology Gmm g3 DataSheet Tape Reel 3 4 O N AO 11 90 10 BO 13 40 10 KO 2 5 0 10 Figure 2 Tape Dimension Document Ver VOD 0 3020 05 40 B0 4 J A A Section Unit mm This document is the exclusive property
33. s enabled For command detail please contact our sales staff at sales gtop tech com Power Consumption Outdoor static Highway Urban driving In office driving D ELELE 1 9 LOCUS When LOCUS Embedded Logger Function feature is enabled the receiver module becomes a logger capable device It does not need a host or external flash to log GPS data such as data format UTC latitude longitude valid checksum The maximum constant log duration can be up to 2 days under AlwaysLocate condition This document is the exclusive property of GlobalTop Tech Inc and should not be distributed reproduced into any other format without prior permission of GlobalTop Tech Inc Specifications subject to change without prior notice Copyright 2013 GlobalTop Technology Inc All Rights Reserved 9 GlobalTop Technology Document Gmm g3 DataSheet Tape Reel Ver VOD 2 Specifications 2 1 Mechanical Dimension Dimension Unit mm Tolerance 0 2mm 11 40 Cc co 5 lt a Top View 1 50 11 50 0 60 Shielding Cover N o This document is the exclusive property of GlobalTop Tech Inc and should not be distributed reproduced into any other format without prior permission of GlobalTop Tech Inc Specifications subject to change without prior notice Copyright 2013 GlobalTop Technology Inc All Rights Reserved 10 GlobalTop Technology Document Gmm g3
34. shift in position if patch antennas come in contact with each other Note References to patch antenna is referred to GNSS modules with integrated Patch on top antennas Gms Module Series and may not be applicable to all GNSS modules This document is the exclusive property of GlobalTop Tech Inc and should not be distributed reproduced into any other format without prior permission of GlobalTop Tech Inc Specifications subject to change without prior notice Copyright 2013 GlobalTop Technology Inc All Rights Reserved GlobalTop Technology Gmm g3 DataSheet Tape Reel Ver VOD Document 38 Other Cautionary Notes on Reflow Soldering Process 1 Module must be pre baked before going through SMT solder reflow process The usage of solder paste should follow First in First out principle Opened solder paste needs to be monitored and recorded in a timely manner refer to IPQC standards for related documentation and examples Temperature and humidity must be controlled within SMT production line and storage area Temperature of 23 C 60 5 RH humidity is recommended please refer to IPQC standards for related documentation and examples When performing solder paste printing please notice if the amount of solder paste is in excess or insufficient as both conditions may lead to defects such as electrical shortage empty solder and etc Make sure the vacuum mouthpiece is able to bear the weight of the G
35. stem This document is the exclusive property of GlobalTop Tech Inc and should not be distributed reproduced into any other format without prior permission of GlobalTop Tech Inc Specifications subject to change without prior notice Copyright 2013 GlobalTop Technology Inc All Rights Reserved GlobalTop Technology Document Gmm g3 DataSheet Tape Reel Ver VOD Table of Contents 1 F nctional Description css iascasincactincs dennccdsccnenncacaiestncceabehceacsnniunsee uatcseunadeenr en aE VL OVETVIEW sacnaces ssndaoaestscannetauncewavs EEEE A EEA AEE EREE EE eau AARE 4 1 2 Highlights and SP CAMO ies trace seataanenvcedlaueasaacesungtecs cacseugencealsahesnetedteydueeeusentancenncediuaneaete 5 1 3 System Block Diagram s sccstescsessisicasasacereieicnstoleceanstes E E EEEE E coe 6 1 4 Multi tone active interference canceller oc ceesceceescecesnceceeneeceeeeeceeeeecseeeecneeeeneeeenas 7 LS IPPS enee E E A E O EE 7 1 6 AGPS Support for Fast TTFF EPO in flash 0 eee eeeseeceeeeceeeeeeeeeeeceeeeeseeeenes 7 E catia ceca edges e arodinncelens Sosa td aaa cone E tee enne dees 7 1 8 AlwaysLocate Advance Power Periodic Mode ccesscccesececeeececeseeesseeeeesseeeenes 9 1 9 LOCUS Embedded Logger Punt On escissnssspcccnasssasennsoagsvareesadennvesataesegeiearcocedinaceniens 9 2 Specifications siccsssinsscastecsensvivencdssescncswnusassiwahsdsisunnsunenssesandesavsmseantaasenmionehesanneansereuacnees 2l Mechanical im
36. tes line of sigh distance between receiver and other points of interest decreases calculation load on processor by simplifying output NMEA sentences advanced 1PPS control for synchronization equipments Outputs degree of magnetic variation amp Enables GPS GNSS module to work beyond measured magnetic heading 60 000ft 18 000m to 164 000ft This document is the exclusive property of GlobalTop Tech Inc and should not be distributed reproduced into any other format without prior permission of GlobalTop Tech Inc Specifications subject to change without prior notice Copyright 2013 GlobalTop Technology Inc All Rights Reserved GlobalTop Technology Document Gmm g3 DataSheet Tape Reel Ver VOD 27 4 Reference Design This chapter introduces the reference schematic design for the best performance Additional tips and cautions on design are well documented on Application Note which is available upon request 4 1 Patch Passive Antenna When using a passive antenna please connect the antenna directly to Pin1 Antenna_IN L1 Patch aie Bead MLB 100505 0600A C1 C2 ou ik BAT1 ML414S TX RX RESET ENABLE Note 1 Ferrite bead L1 is added for power noise reduction 2 C1 and C2 bypass capacitor should be put near the module For C3 the value chosen depends on the amount of system noise the range from 1uF to 100uF is reasonable 3 Damping resistors R3 and R4 could be modifi
37. tivity and tracking capabilities in various urban conditions which makes it a perfect solution for performance critical applications FireFly 1 is built based on the MediaTek new generation GNSS Chipset MT3333 capable of achieving the industry s highest level of sensitivity 165dBm and instant Time to First Fix TTFF FireFly 1 supports up to 210 PRN channels with 99 search channels and 33 simultaneous tracking channels With QZSS SBAS ranging WAAS EGNOS MSAS QZSS and AGPS FireFly 1 can provide even more accurate positioning The ISSCC2011 awarded 12 Multi Tone Active Interference Canceller capable of removing 12 active noise sources enables customer to have more flexibility in system design FireFly 1 has a built in GLONASS and GPS chip antenna which simplifies customer s integration of GNSS positioning system Application Handheld Device Tablet PC PLB MID M2M application Asset management Security industry SOKN KOKS SSA Surveillance This document is the exclusive property of GlobalTop Tech Inc and should not be distributed reproduced into any other format without prior permission of GlobalTop Tech Inc Specifications subject to change without prior notice Copyright 2013 GlobalTop Technology Inc All Rights Reserved 4 GlobalTop Technology Document Gmm g3 DataSheet Tape Reel Ver VOD 1 2 Highlights and Features gt 33 tracking 99 acq
38. uisition channel GPS GLONASS receiver Supports QZSS SBAS WAAS EGNOS MSAS GAGAN ranging Ultra High Sensitivity 165dBm High Update Rate up to 10Hz 12 multi tone active interference canceller t ISSCC 2011 Award Section 26 5 http isscc org doc 2011 isscc2011 advanceprogrambooklet_abstracts pdf High accuracy 1 PPS timing for Timing Applications 10ns RMS jitter AGPS Support for Fast TTFF EPO in flash Enable 7 days 14 days EASY Note Self Generated Orbit Prediction for instant positioning fix AlwaysLocate te2 Intelligent Algorithm Advance Power Periodic Mode for power saving LOCUS Embedded Logger Function Gtop Firmware Customization Services GPS GLONASS Consumption current 3 3V e Acquisition 35mA Typical e Tracking 29mA Typical E911 RoHS REACH compliant CE FCC Certification Note1 SBAS can only be enabled when update rate is equal or less than to 5Hz Note2 Some features need special firmware or command programmed by customer please refer to PMTK Command List Note3 Please refer to GlobalTop LOCUS Library User Manual GAGAN will be supported This document is the exclusive property of GlobalTop Tech Inc and should not be distributed reproduced into any other format without prior permission of GlobalTop Tech Inc Specifications subject to change without prior notice Copyright 2013 GlobalTop Technology Inc All Rights Reserved 5 GlobalT
39. without prior notice Copyright 2013 GlobalTop Technology Inc All Rights Reserved 34 rcejeg GlobalTop Technology Document Gmm g3 DataSheet Tape Reel Ver VOD 35 6 Reflow Soldering Temperature Profile The following reflow temperature profile was evaluated by GlobalTop and has been proven to be reliable qualitatively Please contact us beforehand if you plan to solder this component using a deviated temperature profile as it may cause significant damage to our module and your device All the information in this sheet can only be used only for Pb free manufacturing process 6 1 SMT Reflow Soldering Temperature Profile Reference Only Average ramp up rate 25 150 C 3 C sec max Average ramp up rate 270 C to peak 3 C sec max Preheat 175 25 C 60 120 seconds Temperature maintained above 217 C 60 150 seconds Peak temperature 250 0 5 C 20 40 seconds Ramp down rate 6 C sec max Time 25 C to peak temperature 8 minutes max Peak 250 0 5 C C Slop 3 C sec max Slop 6 C sec max 217 C to peak 217 C Preheat 175 5 C 60 120 sec 60 150 sec Slop 3 C sec max 25 C Time sec This document is the exclusive property of GlobalTop Tech Inc and should not be distributed reproduced into any other format without prior permission of GlobalTop Tech Inc Specifications subject to change without prior notice Copyright 2013 Gl
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