GPS Receivers A1029 - Mikrocontroller.net
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1. 26 Figure 144 Connecting a gyro and the gyro signal based on the 2f Figure 15 Power supply for internal ADC VCC3A eeeeeeeeeeeeeeeeeeeenr 28 Figure 16 Soldering footprint proposal A1029 A sseeeeeeeeeeeeeernene 30 Figure 17 Antenna connector strip line A1029 A eeseeseeereeene 32 Figure 18 Strip line parameters A1029 A ssssesssseeenenneeneenene ener 32 Figure 19 1PPS signal description seeeseesessseeeseeeeeneeeennnnn en 37 V3 2 02 06 User s Manual Page 43 of 432. eeeeeeeeeeeereeeenrnnne 36 11 5 LOCK pin position fix pin eeeseeeseesseeeeeennnnnnnnnnn nnn 36 11 6 ENABLE pin low power mode eeesseeeseseennnnnmennmnnnnnnnn 36 11 7 1PPS pin 1 pulse per second pin seeeeseeseseeeeeenne 36 oR Or naa E E E E E 37 12 uleucidmn ri 38 jUSAPI penis UN 39 NBN 2g C IDZI A D ee ee ee eee eee 39 13 2 Evaluation IO VO 2 OEP 39 13 3 Demonstration Kit A1029 B 0 ccccc cece cece cece cece eeeeeeeaeeseeeseeeseeeeeeeseeeas 39 14 Related Information asa ceseidecccsadeccesiecdecedceneeaieececcctauesecdcenndecinswntecdavicecteensccseaciens 40 NEO E aii e E EEE eee E 40 14 2 R lated Ma eU IN dT 40 TS LISTOI ADIOS 43 TO EUS ON FUSS orrira X M 43 Page 6 of 43 User s Manual V3 2 02 06 GPS Receivers A1029 1 Introduction Tyco Electronics GPS module A1029 A is a highly integrated GPS receiver module and can be used as an SMT component It also serves as the basis for the GPS module A1029 B which is a plug in module Both modules are capable of receiving signals from up to 12 GPS satellites and transferring them into position and timing information that can be read over a serial port The A1029 A and A1029 B extend Tyco Electronics GPS receiver family already represented by the A1021 and A1025 This new generat
3. Figure 15 Power supply for internal ADC Vcc3A Page 28 of 43 User s Manual V3 2 02 06 GPS Receivers A1029 7 Electrical Characteristics 7 1 Operating Conditions Pin Description Min Typical Max AB 0p S o s 8 9 Vcc 80V 33V 36V Current draw without active Antenna 50mA P Input current in standby mode 300A 1PPS 1 pulse per second reference GPS 120ns time eH ae and passive antenna 90ns EN active antenna supply voltage Vcc 0 5V 5 2V 19 23 aren current 50mA VIEW on T GS select E LNA input pin Wwe 24 24 GS high Low gain 4dB Vcc 0 6V o GS low high gain 14dB 0 6V ANTSTAT antenna sensor output 1mA current source antenna current values are 25 22 typical values High at antenna current from 9 to 16mA d 0 5V Vcc Low at antenna current 9mA or 16mA E oV vw pins Vcc 0 8V i pins VIH 0 Vcc VIL 0 3Vcc Table 9 Operating Conditions 7 2 Absolute Maximum Ratings Description Min Max reer 80mA Current Antenna external power supply Applied voltage to all input pins excluding VCC VANT 0 3V Vcc 0 3V max 3 6V Table 10 Absolute maximum ratings Stresses beyond those listed under Absolute Maximum Ratings may cause per manent damage to the device This is a stress rating only Functional operation of the device at these or any other conditions beyond those indicated in the opera ti
4. tyco Electronics GPS Receivers A1029 A description of Tyco Electronics GPS modules A1029 A and A1029 B including Dead Reckoning interface User s Manual Version 3 2 Hardware Revision 03 tyco Electronics This page was intentionally left blank Revision History Revision History Rev Date Description o 01 09 04 Gain select clarified LOCK pin described Overview Mechanics included 01 15 04 Picture description ENABLE pin 02 16 04 Included picture minimum configuration 1 7 03 01 04 Included antenna connection recommendations tape drawings removed Glossary on web site Included solder pad proposal 22 2 3 10 11 04 Format changes correct pin out of A1029B added tray descrip tion on A1029 B 02 23 05 _ Introduced new contact details 3 0 07 01 05 Description of additional Dead Reckoning signal interface HW version 02 added details for use of nRST signal 3 1 Description of differences HW version 02 to old HW version 01 for A1029 A added 02 17 06 More details added for signals 03 03 06 Recommended minimum Configuration updated OO mm dd yy V3 2 02 06 User s Manual Page 3 of 43 Disclaimer tyco Electronics Disclaimer THIS DOCUMENT CONTAINS PROPRIETARY INFORMATION OF TYCO ELEC TRONICS CORPORATION POWER SYSTEMS TYCO ELECTRONICS IT MAY NOT BE COPIED OR TRANSMITTED BY ANY MEANS PASSED T
5. self VANT eL Direct conmection for 24 active antennes mcs s ul GNL EN GND B 1uF Fae output cc Bnkpnne input uM si ce es COAX m RAeIH Fx2nUT pie m LL LL E 2 2 HAX3ESC eO adig RE3e Level ShiPter 1 B3 female B luF GND GHD GND OND GND Figure 5 Recommended minimum configuration A1029 A Remarks e Place C1 to C5 close to MAX3232 For capacity values see datasheet of ac tual component used Place C6 close to module pin Use 3 3V level shifter MAX3232 or equivalent Use separate ground plane for antenna ground Antenna input impedance is 50Ohm Match as close as possible Maximum allowed antenna current is 50mA Consider a current limiter V3 2 02 06 User s Manual Page 13 of 43 GPS Receivers A1029 tyco Electronics e A battery back up circuit for the RTC Real Time Clock should be consid ered see below 3 2 Antenna It is recommended to use an active GPS antenna with supply voltage of 3 to SVDC and a current draw of 50mA maximum The quality of the GPS antenna chosen is of paramount importance for the overall sensitivity of the GPS system An active an tenna should have a gain 2 20dB and a noise figure lt 1 5dB which applies to more than 95 of the active antennas available in the market 3 3 Serial Port Settings The default configuration within the standard GPS firmware is e Serial 0 NMEA 4800 baud 8 data bits no parity 1 stop bi
6. tray C C L D D ae UM A Md A Figure 4 A1029 B tray specification V3 2 02 06 User s Manual Page 11 of 43 Page 12 of 43 tyco GPS Receivers A1029 Electronics 2 3 Additional Equipment V23993USB1029A V23993EVA1029A V23993DKS1029B V23993DR1030A Demonstration Kit including one module V23993A1029A Evaluation Kit including one module V23993A1029A Demonstration Kit including one module V23993A1029B Dead Reckoning Demonstration Kit including one module V23993A1030B functionality compatible to A1029A B Dead Reckoning solution Table 4 Additional equipment Detailed descriptions of the additional kits can be found in the according manuals User s Manual V3 2 02 06 GPS Receivers A1029 3 Quick Start In order to allow an easy and quick start with the modules A1029 A or A1029 B this chapter provides a short overview on the most important steps to receive NMEA messages with position information on a serial port For details please refer to the according chapters 3 1 Minimum Configuration The following picture shows a recommended minimum configuration for NMEA out put and commands received and sent via an RS232 interface based on the A1029 A The configuration for the A1029 B has to be set up accordingly using the same pins on the module Here it is not necessary to provide an antenna connection on the motherboard as a cable and connector is already provided with the module it
7. ANT pin as short as possible Each bit of attenuation between the passive antenna and the ANT pin will degrade GPS performance Recommendations e Antenna gain 22dBi e Antenna gain lt 2dBi LNA close to the antenna recommended Please make sure that the antenna is properly tuned to its dielectric environment V3 2 02 06 User s Manual Page 33 of 43 GPS Receivers A1029 tyco Electronics 10 Quality and Reliability 10 1 Environmental Conditions Operating temperature 40 85 C Operating humidity ax 85 r H non condensing at 85 C MSL JEDEC Moisture Sensitivity Level 6 months in original package Table 12 Environmental conditions 10 2 Product Qualification Prior to product qualification the GPS receiver is preconditioned according to EIA JEDEC standard JESD22 A113 B Level 3 Basic qualification tests Reflow simulation on test PCB A1029 A only Temperature Cycling 40 C 85 C Temperature Humidity Bias 85 C 85 RH High Low Temperature Operating 40 85 C High Temperature Operating Life 85 C Vibration Variable Frequency Mechanical Shock Please contact Tyco Electronics for detailed information 10 3 Production Test Each module is electrically tested prior to packing and shipping to ensure state of the art GPS receiver performance and accuracy Page 34 of 43 User s Manual V3 2 02 06 GPS Receivers A1029 11 Applications and Hints 11 1 Minimum Config
8. GND JGround powersuppy 1 Reserved do not connect Reserved do not connect Reserved do not connect VANT Power supply antenna provide according voltage a fe Odometer input required for DR otherwise leave Table 7 Pin description A1029 B part 1 odd pin row HW 02 HW 01 2 JjRes JjResewed donotconec Z 6 4 X TX2 JSeralouput2 0 0 0 8 6 X JRX2 jSeralinpt2 RTCM input 10 8 ENABLE 9 Enablepin lowpowerwhenlow Analog voltage supply 12 10 Vcc3A For standard GPS functionality connect to Vcc For DR 3 3V see below TESTO Reserved for test purposes LOCK Activated on LOCK position fix Reserved do not connect Input pin for gyro output voltage 20 18 Vgyro For standard GPS functionality leave open For DR connect to gyro output see below ANTSTAT Antenna sensor output Gain Select for LNA leave open Reverse signal input required for DR otherwise leave open f Table 8 Pin description A1029 B part 2 even pin row V3 2 02 06 User s Manual Page 23 of 43 GPS Receivers A1029 tyco Electronics Pins 12 and 20 on HW version 02 and higher used to be Res pins on HW version 01 there numbered 10 and 18 For use without Dead Reckoning no design modi fication is necessary 5 5 General Comments The following comments should be considered for a design with and use of the m
9. O OTHERS OR STORED IN ANY RETRIEVAL SYSTEM OR MEDIA WITHOUT PRIOR CONSENT OF TYCO ELECTRONICS OR ITS AUTHORIZED AGENTS THE INFORMATION IN THIS DOCUMENT IS TO THE BEST OF OUR KNOWLEDGE ENTIRELY CORRECT HOWEVER TYCO ELECTRONICS CAN NEITHER ACCEPT LIABILITY FOR ANY INACCURACIES OR THE CONSEQUENCES THEREOF NOR FOR ANY LIABILITY ARISING FROM THE USE OR APPLICATION OF ANY CIRCUIT PRODUCT OR EXAMPLE SHOWN IN THE DOCUMENT THE PRODUCT HARD AND SOFTWARE DESCRIBED IN THIS DOCUMEN TATION IS NOT AUTHORIZED FOR USE IN LIFE SUPPORT DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF TYCO ELEC TRONICS THIS DOCUMENT MAY PROVIDE LINKS TO OTHER WORLD WIDE WEB SITES OR RESOURCES BECAUSE TYCO ELECTRONICS HAS NO CONTROL OVER SUCH SITES AND RESOURCES TYCO ELECTRONICS SHALL NOT BE RESPONSIBLE FOR THE AVAILABILITY OF SUCH EXTERNAL SITES OR RESOURCES AND DOES NOT ENDORSE AND IS NOT RESPONSIBLE OR LIABLE FOR ANY CONTENT ADVERTISING PRODUCTS OR OTHER MATERIALS ON OR AVAILABLE FROM SUCH SITES OR RESOURCES TYCO ELECTRONICS SHALL NOT BE RESPONSIBLE OR LIABLE DIRECTLY OR INDIRECTLY FOR ANY DAMAGE OR LOSS CAUSED OR ALLEGED TO BE CAUSED BY OR IN CONNECTION WITH USE OF OR RELIANCE ON ANY SUCH CONTENT GOODS OR SERVICES AVAILABLE ON OR THROUGH ANY SUCH SITE OR RESOURCE TYCO ELECTRONICS RESERVES THE RIGHT TO CHANGE MODIFY OR IMPROVE THIS DOCUMENT OR THE PRODUCT DESCRIBED HEREIN AS SEEN FIT BY TYCO ELECTRONICS WITHOUT FURTHER NOTICE Pa
10. atellites While the current date and time is transmitted in NMEA sentences an exact and accurate timing signal is provided via the 1PPS pin of the A1029 modules The 1PPS signal is valid only whenever the GPS modules provide a valid position fix Therefore it is recommended to monitor the LOCK signal in parallel or logically AND the 1PPS and LOCK signals The rising edge of the signal is synchronized to GPS time and therefore also to UTC The 1PPS signal is characterized a by the delay d between the start of a GPS second and the rising edge of the 1PPS and b by standard deviation of this delay providing a measure for the stability or jitter of this signal Additionally the duration I of the signal is outlined Page 36 of 43 User s Manual V3 2 02 06 GPS Receivers A1029 D o p uw n 1 n 2 GPS seconds Figure 19 1PPS signal description Signal delay d typical Standard deviation o typical Signal duration typical Table 13 1PPS signal characterization with active antenna with filter at 22 C Signal delay d typical Standard deviation og typical Signal duration typical Table 14 1PPS signal characterization with passive antenna at 22 C The standard deviation is a probability measure for the occurrence of value within a certain range 68 3 of all new values will be within 10 of the expected value 95 5 within 20 11 8 Reset Signal The nRST pin is an input pin The nRST pin can
11. be used to generate a reset on the A1029 modules Resetting the module will result in a restart of the complete firmware including the boot loader All information stored in flash memory will still be valid The RTC will keep on run ning The same result can be achieved using the ENABLE pin Therefore connect ing nRST is not necessary In case of low power mode ENABLE pin low DO NOT pull nRST to low This will result in additional current draw V3 2 02 06 User s Manual Page 37 of 43 GPS Receivers A1029 tyco Electronics 12 Application Firmware Tyco Electronics provides standard GPS firmware that covers the basic functions of a GPS module e g NMEA sentences and Dead Reckoning firmware that includes Dead Reckoning functionality Please refer to the GPS Receiver Firmware manuals Page 38 of 43 User s Manual V3 2 02 06 GPS Receivers A1029 13 Demonstration Kits 13 1 USB Kit A1029 A For demonstration and easy evaluation of GPS performance Tyco Electronics offers a Demonstration Kit including one GPS A1029 A module It contains a USB inter face with according drivers to connect easily to a PC The USB interface is an ex tension of the serial port O therefore sending NMEA sentences and accepting commands At the same time it provides power to the module Accompanied by an antenna it offers a ready to go set For further information please contact Tyco Electronics 13 2 Evaluation Kit A1029 A For the dev
12. d a firmware implementation of an automatic gain control AGC function V3 2 02 06 User s Manual Page 35 of 43 GPS Receivers A1029 tyco Electronics 11 4 VANT pin antenna voltage input pin The VANT pin is an input pin The supply voltage for an active GPS antenna has to be fed into the Vant pin The easiest way to do that is to connect Vcc to VANT The maximum current is 50mA Therefore when connected to Vcc a current limiter should be used 11 5 LOCK pin position fix pin The LOCK pin is an output pin When there is no valid position fix the signal on the pin will be a continuous logic low During a valid position fix phase the output signal will be a continuous logic high 11 6 ENABLE pin low power mode The ENABLE pin is an input pin For enabling normal operation of the module the pin has to be on HIGH level e g connected to Vcc When the ENABLE pin is pulled down to GND the module will go to a low power mode where only the RTC will be supported if a power source is still connected to Vcc l e date and time will be valid after wake up The current draw will fall from typically 50mA to typically 30uA Do not pull down low nRST at the same time This is not necessary and will result in additional current draw 11 7 1PPS pin 1 pulse per second pin The 1PPS pin is an output pin In addition to precise positioning GPS also allows for accurate timing due to the synchronized atomic clocks in the GPS s
13. e A1029 A eeseesseeeeeen 31 Table 12 Environmental conditions 1 eeeleeeeeeeseesseeeneeen nnne 34 Table 13 1PPS signal characterization with active antenna with filter at 22 C 37 Table 14 1PPS signal characterization with passive antenna at 22 C 37 16 List of Figures Foe EAI IDE rM 8 Figure 2 A1029 A tape specifications 1 seeeesseeesseeeeneeeerennnr 10 Figure 3 A1029 A tape specifications 2 seeseesseesseeeenneeee nnn 11 Figure 4 A1029 B tray specification seeeseeeessesseseeneeeenennn nnn 11 Figure 5 Recommended minimum configuration A1029 A sssse 13 Figure 6 Mechanical outline overview A1029 A sseesseeeseeenre 15 Figure 7 Mechanical outline component side A1029 A seeeeeeessees 16 Figure 8 Mechanical outline solder side A1029 A eeeeeeeeeeeeeeeeees 17 Figure 9 Mechanical outline overview A1029 B eeeeeeseeeeneeennee 18 Figure 10 Pin out information A1029 A top view eeeeeeeeeeeeees 19 Figure 11 Pin out information A1029 B bottom and top view 22 Figure 12 Connecting an Odometer SiQnal ccccccccccseceeceeeeesaeeeeseeeeseeeeeeseeeans 29 Figure 13 Connecting a gyro and the gyro signal based on the
14. e ramp up rate to Peak 183 C to Peak 3 C second max Preheat temperature 125 25 C 120 seconds max Temperature maintained above 183 C 60 150 seconds Time within 5 C of actual peak temperature 10 20 seconds Ramp Down rate 6 C second max Time 25 C to peak temperature 6 minutes max Table 11 Reflow soldering profile A1029 A As results of soldering may vary among different soldering systems and types of solder and depend on additional factors like density and types of components on board the values above should be considered as a starting point for further optimi zation V3 2 02 06 User s Manual Page 31 of 43 GPS Receivers A1029 tyco Electronics 9 Use of Antenna 9 1 Connection of RF Signal This chapter affects the GPS receiver module A1029 A only The ANT pin is used to connect the receiver with the GPS antenna The design of the antenna connection has to be done strictly according to RF design rules A 500 PCB strip line is required The following drawings shall explain the guidelines A major rule is to keep the strip line as short as possible Additionally antenna ground GNDANT should be routed to the ground plane of the PCB the ground plane is on a lower PCB layer by vias as demonstrated in the drawing Oo Vias to B Solder pads GND layer Figure 17 Antenna connector strip line A1029 A In order to gain the impedance of 506 the width of the strip line needs to be calcu
15. echanical dimen Length 33 0mm 1 3 sions Width 45 7 mm 1 8 Height 4 5mm 0 18 A1029 B Cable 100mm 4 0 A1029 B Weight Pd 1g 0 5oz Table 2 and 3 A1029 A and A1029 B dimensions and weight Page 8 of 43 User s Manual V3 2 02 06 GPS Receivers A1029 1 4 Handling Precautions The GPS receiver modules A1029 A and A1029 B are modules that are sensitive to electrostatic discharge ESD Please handle with appropriate care V3 2 02 06 User s Manual Page 9 of 43 GPS Receivers A1029 tyco Electronics 2 Ordering Information 2 1 GPS Receiver A1029 A and A1029 B The order numbers are built as follows e V23993A1029Axxx V23993A1029Bxxx V23993 stands for Tyco Electronics wireless and communication products A1029A for the A1029 A module A1029B for the A1029 B module respectively The xxx stands for the according firmware version Where e 1xx is standard GPS software e 2xx is GPS software with Dead Reckoning support The functionality of both software versions is reflected in the according manuals 2 2 Packing 2 2 1 Packaging of the A1029 A The A1029 A GPS module comes in a tape and reel package suitable for pick and place machines Figure 2 A1029 A tape specifications 1 Page 10 of 43 User s Manual V3 2 02 06 GPS Receivers A1029 Figure 3 A1029 A tape specifications 2 2 2 2 Packaging of the A1029 B The A1029 B comes in trays with 12 modules per
16. ee nennen nnne nnnn nnne sre snas 17 EAR DIU DUE MIC 18 4 2 1 Overall module dimensions cccecceeccceecceeteeeeeeeaececeeeteeetsueeeacenseesseeteuetsneenaeeses 18 4 2 2 Connector A1029 B 20 0 ccc cccccssccceeeceeete cee eeceeeseueeseeeaeeceeeteeteneeseessueeseeetsnetsneeseetees 18 SPINE OU IONE AU OWN e 19 SWEET iurc EE 19 5 2 Description A1029 A Signals cccccccceecccceeeeceeeeeeseeeeseeeeeseeeeseeesseeeessaeeesaees 20 RoE Plus E 22 5 4 Description A1029 B Signals ccccccsccccseeeeceeeeeeeeeeeseeeeeseeeeseeeesaeeeesseeeeseees 23 5 9 General Comments seosisusvitesat ined istae biduacrs en dsensievus eld Fx Cel Vue bun QU vd ext Un id rust 24 6 Dead Reckoning Interface e ee eieeeee eee eeeeee eerie eene nennen nnns 25 6 1 Odometer and Reverse SIQNls cccccccccsecceseeceececeeseeeeesaeseeseeeeeseeeesaeeesaees 25 6 2 Gyro and Gyro Signal essessssssssssssssssesee seen nennen nnns enean 26 6 3 Power Supply for Internal ADC 1 0 0 0 cccccccccccecccececeeeeseeeeseeesseeeeaeeeeseeeeaeeeeaaess 28 7 Electrical Characteristics acutus scere actus cual suia dae q ua MER EXE IUE Urs u axe Ee REN ENS OE RAE 29 7 1 Operating Conditions sssesormosvemiin teet cede ne ecu sid ec duse ne jest i eid nocicnt tioni kn s id aiias 29 7 2 Absolute Maximum Ratings cccccecccseeeese
17. eeeseeeseeeesaeeeseeeeseeeseueesaueeseneeseeees 29 OMOUNUNO et 30 8 1 Proposed Footprint for SOIGESLiING cccccceecceeececeeeeceeeeaceseeeeseueeseueessneesaees 30 V3 2 02 06 User s Manual Page 5 of 43 Table of Contents tyco Electronics 8 2 Recommended Profile for Reflow Soldering eeessssuse 31 9 Use or AMENNA e edcu eir discus esiencsenenccce sacs sumeescaceceecnesstesecsseeumeecusane 32 9 1 Connection Ol FRI SIGMA suu mesi nna i aqui uie oou on aE ai i 32 SE AGUNG PIANC IAM PNE EIE 33 9 9 Passive Antenna eo cesa trate ioter ne ptio ure ptum oE Hx da Tad usid oet iem bee M NEU pe indt 33 10 Quality and Reliability cuneo ni eeu Uo cuo Ioas Ent Ya aa Lou c oua eausa beau aurae seva tus 34 10 1 Environmental Conditions cccccccccsececeseeseneeeeeeeceeeeseeeeceeeeseeeeseeetseeeaaess 34 10 2 TPreducrQualiie Gloss esee rretac e ao tenia ba sb eti oce cts ra a Diaeusn ND eee E SU DUM EE 34 10 3 Production We S RRETERRER m 34 11 Applications and HINIS siiccsccsieesseeeesersesecessavewecsesewenaresconansquedensewossacecencsicecdeseesees 35 11 1 Minimum CONTIQUPAMIONA essas AE ines 35 11 2 Antenna Sensor Pin ANTSTAT ccccsscccceseeceeseceseeeecesseeseusecseaeessaseessaaees 35 UP XC IE edemit w 35 11 4 VANT pin antenna voltage input pin
18. elated Documents Manual T E GPS Firmware A1029 TYCO Manual T E GPS Firmware DR A1029 TYCO Manual T E GPS DemoKit USB1029 A TYCO Manual T E GPS EvaluationKit EVA1029 A TYCO Manual T E GPS DemoKit DKS1030 A TYCO Manual T E GPS Bootloader A1029 TYCO Page 40 of 43 User s Manual V3 2 02 06 GPS Receivers A1029 This page was intentionally left blank V3 2 02 06 User s Manual Page 41 of 43 Lists of Tables and Figures 15 List of Tables Table 1 21029 characteriSlICS usus oec tupacim sedeo det osa uc sum ca pv I QUU ee UeseFL s muU UE Cote sUpE cue ESRIUS 8 Table 2 and 3 A1029 A and A1029 B dimensions and weight 8 Table 4 Additional equipment ccc cece eee eeeceeceeece esse eseeeeeeeseesseeeeeeseeseeeeeeaeees 12 Table 5 Pin description A1029 A part 1 ccccccccccecseeeeseeeeseeeeeseeeeseeeeeeseeeesaaees 20 Table 6 Pin description A1029 A part 2 ccccccceeccceseceeseeeeeeeeeeseeeeseeeeeeseeeesanees 21 Table 7 Pin description A1029 B part 1 odd pin row 23 Table 8 Pin description A1029 B part 2 even pin row se 23 Table 9 Operating Conditions leeeseeessessssssssseseeeeeneeennenn nennen 29 Table 10 Absolute maximum ratings cccccccceecceeceeeceeeeceeeseeeeseeeseeeseeeseeesaeeeees 29 Table 11 Reflow soldering profil
19. elopment of new software and applications an Evaluation Kit is avail able It shows various connectors for easy access to the JTAG port to the general purpose l Os and the serial ports It can be powered by battery or externally For further information please contact Tyco Electronics 13 3 Demonstration Kit A1029 B For demonstration and easy evaluation of GPS performance Tyco Electronics offers a Demonstration Kit including one GPS A1029 B module It shows two serial inter faces NMEA and RTCM The Demonstration Kit can be powered by an external 5 to 12V source Accompanied by an antenna and serial cable it offers a ready to go set For further information please contact Tyco Electronics V3 2 02 06 User s Manual Page 39 of 43 GPS Receivers A1029 tyco Electronics 14 Related Information 14 1 Contact This manual was created with due diligence We hope that it will be helpful to the user to get the most out of the GPS module Anyway inputs about errors or mistakable verbalizations and comments or propos als to TYCO Electronics Power Systems in Munich Germany for further improve ments are highly appreciated Hans Wiedemann Product Marketing Manager Positioning Products Tel 49 89 6089 838 Fax 49 89 6089 835 Tyco Electronics Corporation Power Systems Finsinger Feld 1 85521 Ottobrunn Germany Email to gos tycoelectronics com Please visit our website at www tycoelectronics com gps 14 2 R
20. ge 4 of 43 User s Manual V3 2 02 06 Table of Contents Table of Contents RM EEE OGUG CONN NM E EM 7 1 1 Dg d e ime T Eo E E E E AT 8 Ng AAC Le ISU CS TU Ur 8 1 4 Handling Precautions eerren aa 9 2 Ord ring NIOrmMaAUOT essensa abaan aiaa 10 2 1 GPS Receiver A1029 A and A1029 B seessseessseseneeenenenenn nnne 10 VER ACI ate 10 2 2 1 Packaging of the A1029 A cccccccccsseecseesesceceseeceueeceueeceuceseueesaueessueessueessueessaeess 10 22 2 Packaging Ol he A1029 B c 11 2 9 Additional Edquipttieblb ses oedmiieeue tint uea esr cao nS pua Maec aut oec Rgqe ua SUE UAE UE 12 3 QUICK SII Toon E UA Fre Som UM ENIM RIF Utd te SERI IE 13 9 1 Minimum ConiiguratidN uscoradina ete atone austens blue unt etnde tutu ies bb cu eE cut es 13 SA Lira Mf sere E Rt 14 Ser arii ON INS so eee cs cats corsets EE 14 3 4 Improved TTFF 14 4 Mechanical Outline ccecseecseeceeecnsecescueseneeeuseaeeueeeuseuseeuseeueeneueueeeuseneeeuseeaes 15 4 1 Overview A1029 A 0 0 0 ccccccccccccccseeeceseeceeeteneecececeeeeeeeeesaeeteneessaeeteneessneesaueeseeess 15 4 1 1 Overall mod le GiIMCSH SIONS suni uonc pec ERU EQU FOE ERE MILCU FREE EIU UEE UOS idiin ioiii iiia 15 4 1 2 Details Component Side A1029 A sssssessssssesssseeneeennnne nennen nnns 16 4 1 3 Details Solder Side A1029 A sssesssessessssssssee
21. ignals in the cor rect way to the module they should be optically isolated The following schematic is an example on how an implementation could look like Voecap PEE e g Fairchild MOCD20 7M 10k 2k2 Odo ODO vehicle module e g onsemi P6SM822CATJ Figure 12 Connecting an odometer signal The same configuration can be used for the reverse signal V3 2 02 06 User s Manual Page 25 of 43 tyco GPS Receivers A1029 Electronics 6 2 Gyro and Gyro Signal The gyro is of utmost importance for the performance of the DR system The follow ing data shall provide a guideline for selecting the right gyro Basic gyro data Supply voltage 5V more gyros available also used in the example or 3V Current draw lt 20mA Max angular velocity 80 deg s Output at angular velocity 0 1 5V or 2 5V and according divider as shown in the example Resolution 0 1 deg sec Scale factor 25mV deg s smaller values possible e g 12 5mV deg s at supply voltage 3V Important for system performance as well Temperature coefficient of scale factor max 10 at 30 to 80 C Linearity 0 5 full scale Offset drift e g Melexis MLX90609 N 2 5 of Zero Rate Output at 25 smaller values desirable Response max 10Hz Noise level max 10mVp p In the example also the DR1030A board the Melexis MLX90609 N is used a 5V gyro with an output of 2 5V at 0 s angular velocity T
22. ion of GPS modules combines small size and high end GPS functionality at low power consumption e Operable at 3 3V 50mA typ 1fix per second e Antenna sensor pin with defined current sensing range for antenna detec tion or antenna short circuit detection e LNA Gain select pin for adjustment to various RF signal conditions A1029 A features e Small form factor of 22 x 28 mm 0 87 x 1 10 e Cost effective antenna input e Single sided SMD component for reflow soldering e ape amp reel packaging A1029 B features e Standard power and I O connector e Standard SMA bulk head antenna connector e Mountable without solder process e Field replaceable Both GPS receiver are available as off the shelf components 100 tested and shipped in either standard tape and reel package A1029 A or in trays A1029 B 1 1 Dead Reckoning Dead Reckoning capability was introduced with hardware version 02 which can be identified on the label The extensions for the support of Dead Reckoning do not affect any other characteristics of the module 100 backward electrical and me chanical compatibility is assured with one exception In order to be able to support all necessary signals the I O connector of the A1029 B was extended by two pins on each side total of 4 pins keeping the center pins signals and position identi cal Therefore the connector plugs into existing designs based on the hardware version 01 Care must be taken that the rea
23. l estate now covered by the additional pins is not populated on the carrier PCB V3 2 02 06 User s Manual Page 7 of 43 GPS Receivers A1029 tyco Electronics 1 2 Label The A1029 s labels hold the following information tyco J Electronics Product code A1029 A with hardware version 02 A1029 A 02 102 02 BZ 4405 Firmware version 102 02 factory and date code week and year 3105 Figure 1 A1029 label 1 3 Characteristics The modules are characterized by the following parameters Channels 12 parallel tracking Frequency J JLt 1575MH Position Accuracy Time To First Fix TTFF theoretical minimum values values in real world may differ Power off start 7 Table 1 A1029 characteristics 1 The calibrated clock of the receiver has not stopped thus it knows precise time to the us level 2 The receiver has estimates of time date position and valid almanac and ephemeris data 3 The receiver has estimates of time date position and recent almanac 4 The receiver has no estimate of time date position and no recent almanac 5 Receiver is powered off clock stops Start up time depends on time passed since power off and power on location 6 In order to improve TTFF the receiver allows setting of time date position Length 28mm 1 10 Width 22mm 0 87 Height 3 2mm 0 12 A1029 A Weight pg lt 0 102 A1029 B M
24. lated It depends on the thickness or height of the PCB layer both parameters are shown in following drawing For our calculation we assume that the PCB material is FR4 Figure 18 Strip line parameters A1029 A In this case the width should be about 1 8 times the height of the PCB W 1 8xXH In our example we would get a width of W 1 8 x 0 8mm 1 44mm Page 32 of 43 User s Manual V3 2 02 06 GPS Receivers A1029 9 2 Active Antenna General GPS active antenna specification Limitations e Supply voltage according to voltage fed into VANT pin 5V max e Supply current 50mA max Recommendations e Gain 20dB e Noise figure lt 1 5dB The recommendations apply to the majority of active antennas that can be found in the market Anyhow the quality of the GPS antenna chosen is of paramount impor tance for the overall sensitivity of the GPS system The system design needs to reflect the supply voltage of the antenna If the supply voltage is equal to Vcc Vcc can be connected to VANT If the antenna requires a different supply voltage the antenna bias can be provided through the VANT pin 9 3 Passive Antenna NOTE Different passive antenna set ups have been tested with positive results on the performance of the A1029 modules Anyhow it is the responsibility of the sys tem integrator to qualify the final configuration Please consider that it is crucial to keep the connection from the antenna to the
25. n For DR connect to E output see below 30 Reseved 0 0 0 0 26 TESTA Reserved for test Reserved for test purposes 25 ANTSTAT ASHGSSHSSHBNUEE 1L LL sensor output Gain Select for LNA leave open 23 GNDANT Antenna Ground do not connect to GROUND connect to antenna shield see below Antenna signal Z 50 Ohm 24 GNDANT Antenna Ground do not connect to GROUND connect to antenna shield see below AGND Analog ground see above VANT Power supply antenna provide according voltage AGND Analog ground see above Table 6 Pin description A1029 A part 2 Pins 10 thru 17 used to be all AGND pins on HW version 01 pin 31 used to be a Res pin on HW version 01 For use without Dead Reckoning no design modifica tion is necessary V3 2 02 06 User s Manual Page 21 of 43 GPS Receivers A1029 tyco Electronics 5 3 Layout A1029 B JIK JEK JEX JEK JEK JEK JEC JE 6 8 MC MC UM LJ JEK JEX JEK OC OC JE OC OL 6 NCC lt NC CN Figure 11 Pin out information A1029 B bottom and top view Bottom view is showing the side of the module that will face the carrier board Page 22 of 43 User s Manual V3 2 02 06 GPS Receivers A1029 5 4 Description A1029 B Signals These tables describe the functionality of the pins and their associated symbols Signals required for Dead Reckoning when according firmware is enabled are marked with EZ HW 02 HW 01 11 9
26. nsions in mm 1 Minimum 2 Maximum Figure 6 Mechanical outline overview A1029 A V3 2 02 06 User s Manual Page 15 of 43 tuc C GPS Receivers A1029 Electronics 4 1 2 Details Component Side A1029 A 22 00 QeoQeog Og BH Et 368 EARN s 0 00 22 00 All dimensions in mm Figure 7 Mechanical outline component side A1029 A Page 16 of 43 User s Manual V3 2 02 06 GPS Receivers A1029 4 1 3 Details Solder Side A1029 A 0 00 22 00 E f Ts Solder pad size 1 4 x 0 9 Width including solder pads 22 Distance between solder pads within groups 1 9 10 17 18 25 26 34 Distance between groups 1 9 to 10 17 and 18 25 to 26 34 5 08 All dimensions in mm V3 2 02 06 Figure 8 Mechanical outline solder side A1029 A User s Manual 22 00 1 27 Page 17 of 43 GPS Receivers A1029 tyco Electronics 4 2 Overview A1029 B 4 2 1 Overall module dimensions 45 72 LLL e 26 pin connector female pin 1 at 6 35 24 13 HW version 02 1 Fan ENE 22 pin connector female pin 1 at 6 35 22 86 HW version 01 33 02 RNNNNEEUNNNNEN wie te Le te tw vce 47 be tw 37 2 54 4x 5 715 All dimensions in mm Figure 9 Mechanical outline overview A1029 B 4 2 2 Connector A1029 B The power and I O connector used on the A1029 B is a 1 27mm 0 05 low profile double row socket with a height of 2 21mm 087 and a total of 26 contac
27. o allow the complete output range to fit into the input range of the internal ADC a 2 1 divider is used YCCSD V UCUC5SD 100nF 119 MILRSDBOS IN a 4 470pF GND z PLLCAP VCCSA GNDAS 3 VREF 12k 20k Varo B outan HHE EOD 8 g D 1uF Output at angular 10 GNDA4 ark velasity O should be GNDAS between 1 25 and 1 5 Me NC3 aL ae SND SND GND Figure 13 Connecting a gyro and the gyro signal based on the Melexis MLX90609 N recommended solution Page 26 of 43 User s Manual V3 2 02 06 GPS Receivers A1029 e g Murata V ENV 05G Output at angular velocity D 2 554 Vgyro module Output at angular velocity O should he between 1 25V and 1 5V 1uF T GND Figure 144 Connecting a gyro and the gyro signal based on the Murata ENV 05G GND V3 2 02 06 User s Manual Page 27 of 43 GPS Receivers A1029 tyco Electronics 6 3 Power Supply for Internal ADC The internal ADC requires a separate power supply on pin Vcc3A The power should be derived from the same source that is used for the gyro This way oscilla tions of the power source affect the gyro and the ADC and therefore minimize the negative effects It is also recommended that Vcc3A is slightly below the power supplied to module Vcc The following circuit shows an example on how to generate the power for the inter nal ADC from a 5V source Vccsp Gen purpose NPN transistor e g BC848C Vec3A
28. odule e Standard configuration of serial port no DR software Serial 0 NMEA 4800 baud 8 data bits no parity 1 stop bit no flow control Serial 2 DGPS 4800 baud 8 data bits no parity 1 stop bit no flow control e Standard configuration of serial port with DR software Serial 0 NMEA 57600 baud 8 data bits no parity 1 stop bit no flow control Serial 2 DGPS 4800 baud 8 data bits no parity 1 stop bit no flow control e Antenna Antenna connected to Antenna Pin A1029 A only Use ground pins pin 21 pin 23 close to the antenna input for RF ground e Gain Select Default setting is open identical to logical low which results in a high gain 14dB This setting is recommended e nRST Do not pull low when in low power mode ENABLE LOW Page 24 of 43 User s Manual V3 2 02 06 GPS Receivers A1029 6 Dead Reckoning Interface Dead Reckoning DR functionality requires the correct firmware 2xx and the correct hardware set up on the main board Two digital signals odometer and re verse a gyro and according power supply for the internal ADC are necessary to support this feature This chapter shall provide all necessary information for design ing an according main board The recommendations here assume the availability of a 5V Vccsp and 3 3V Vccap digital power supply on this main board 6 1 Odometer and Reverse Signals Both signals are provided by the vehicle In order to connect the s
29. onal sections of this specification is not implied Exposure to absolute maximum rating conditions for extended periods may affect device reliability V3 2 02 06 User s Manual Page 29 of 43 GPS Receivers A1029 tyco Electronics 8 Mounting This chapter covers the mounting of the A1029 A The A1029 B offers a power and I O connector with a 1 27mm 0 05 low profile double row socket with a total of 26 contacts on HW version 02 and higher or 22 contacts on HW version 01 Potential counterparts on the motherboard are Samtec 1 27mm 0 05 micro strips of the FTS series For fixing the A1029 B on a motherboard appropriate screws and bolts or clips see also chapter 4 2 Overview A1029 B are recommended 8 1 Proposed Footprint for Soldering The following proposal of a footprint for soldering is assuming a stencil thickness of 150um X marks the center of the through holes 1 0 i um Ur TG 0 3 1 8 0 5 A1029 A 2 6 Figure 16 Soldering footprint proposal A1029 A The final footprint has to be evaluated and qualified by the manufacturer according to the specific processes Page 30 of 43 User s Manual V3 2 02 06 GPS Receivers A1029 8 2 Recommended Profile for Reflow Soldering Typical values for reflow soldering of the module in convection or IR convection ov ens are as follows Peak temperature 235 C Peak temperature ROHS compliant process HW ver 245 C sion 03 and higher Averag
30. t no flow control e Serial 2 RTCM 4800 baud 8 data bits no parity 1 stop bit no flow control The default configuration within the Dead Reckoning GPS firmware is e Serial 0 NMEA 57600 baud 8 data bits no parity 1 stop bit no flow control e Serial 2 RTCM 4800 baud 8 data bits no parity 1 stop bit no flow control 3 4 Improved TTFF In order to improve the TTFF Time To First Fix it is recommended to support the RTC with a back up battery when no system power is available Standard operation mode is entered with the ENABLE pin on HIGH level With the ENABLE pin on LOW level low power mode will be entered If still power is being supplied to Vcc the RTC keeps on running while the internal processors will be stopped The power consumption will drop from typically 50mA to typically 30A Please see also para graph 11 6 ENABLE pin low power mode and the documentation on the Evalua tion Kit EVA1029A If the system or the GPS receiver alone should not be backed up it is possible to support the restart procedure by providing position and date time information to the module This is described in the firmware manual Please refer there to chapter Start up Support in the document T E GPS Firmware A1029 with version number V1 0 or higher Page 14 of 43 User s Manual V3 2 02 06 GPS Receivers A1029 4 Mechanical Outline 4 1 Overview A1029 A 4 1 1 Overall module dimensions 28 005 22 00 0 15 All dime
31. ts on HW version 02 and higher used to be 22 on HW version 01 Potential counterparts on the motherboard are e g Samtec 1 27mm 0 05 micro strips of the FTS series e g FTS 113 02 L D Page 18 of 43 User s Manual V3 2 02 06 GPS Receivers A1029 5 Pin out Information 5 1 Layout A1029 A C notched corner 1PPS nRST LOCK Res Vayro STA2051 Bo TESTO Res ENABLE m Res xs Ed Res TEST1 VCC3A ANTSTAT AGND GS GNDANT ANT GNDANT AGND VANT AGND Figure 10 Pin out information A1029 A top view 2 23 2 2 2 1 1 V3 2 02 06 User s Manual Page 19 of 43 tuc C GPS Receivers A1029 Electronics 5 2 Description A1029 A Signals These tables describe the functionality of the pins and their associated symbols Signals required for Dead Reckoning when according firmware is enabled are marked with E Pin Symbol Description 6 TESTO gResewedfortestpurpses 8 Vcc 33V powesuppy 9 GND Ground power supply o 15 Res Reserved do not connect 16 Res Reserved do not connect Table 5 Pin description A1029 A part 1 Page 20 of 43 User s Manual V3 2 02 06 GPS Receivers A1029 3 Symbol D Reset input LOK o Activated on LOCK Activated on LOCK position fig fix Res Reseved J 1 111 Input pin for gyro output voltage Vgyro For standard GPS functionality leave ope
32. uration Please refer to chapter 3 1 Minimum Configuration for details In addition for opti mized start up behavior it is strongly recommended to add a battery back up circuit see chapter 3 4 11 2 Antenna Sensor Pin ANTSTAT The Antenna Sensor pin is an output pin It provides correct status information for an active GPS antenna with current consumption in the defined range For an ac tive antenna with a current consumption outside this range an external circuit could detect the connection or a disconnection or a short circuit e logic low when lant 9mA e Logic high when 9mA gt lant 16mA e logic low when lant gt 16mA The threshold values are typical values Values in an application can defer towards a wider range lant DC current of GPS antenna DC current through sensing resistor on GPS module The Antenna Sensor pin can detect when an active antenna is connected It can also detect when the antenna is short circuited or disconnected for some reason Please consider that the Antenna Sensor can provide no useful output when the GPS antenna is fed externally i e the VANT pin is not used the sensing resistor on the GPS module can not sense any DC current 11 3 Gain select pin GS The LNA Gain Select pin is an input pin e Pin at GND low or open LNA Gain 14dB default e Pin at Vcc high LNA Gain 4dB It is recommended to leave the pin unconnected This allows for amplification of weaker signals an
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