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MAX-M5Q - Hardware Integration Manual 

FTX-HW-13008 

Objective Specification 

Design 

 

 

Page 25 of 40

 

4.3

 

Recommended parts 

u-blox has tested and recommends the parts listed in Table 2. Other untested components may also be used. 

 

Manufacturer 

Part ID 

Remarks 

Parameters to consider 

Diode            ON Semiconductor                                  

ESD9R3.3ST5G 

Standoff Voltage>3.3 V 

Low Capacitance < 0.5 pF 

ESD9L3.3ST5G 

Standoff Voltage>3.3 V 

Standoff Voltage > Voltage for active 
antenna 

ESD9L5.0ST5G 

Standoff Voltage>5 V 

Low Inductance 

                   Infineon  

ESD0P2RF 

 

low capacitance (<0.5 pF) 

SAW 

TDK/ EPCOS 

B8401: B39162-B8401-P810 

GPS+GLONASS 

High attenuation 

TDK/ EPCOS 

B3913: B39162B3913U410 

GPS+GLONASS 

For automotive application 

TDK/ EPCOS 

B9850: B39162B9850P810 

GPS 

Low insertion loss 

TDK/ EPCOS 

B8400: B39162B8400P810 

GPS 

ESD protected and high input power 

muRata 

SAFEA1G58KB0F00 

GPS+GLONASS 

Low insertion loss, only for mobile 
application 

muRata 

SAFEA1G58KA0F00 

GPS+GLONASS 

High attenuation, only for mobile 
application 

muRata 

SAFFB1G58KA0F0A 

GPS+GLONASS 

High attenuation, only for mobile 
application 

muRata 

SAFFB1G58KB0F0A 

GPS+GLONASS 

Low insertion loss, Only for mobile 
application 

Triquint 

B9850 

GPS 

Compliant to the AEC-Q200 standard 

CTS 

CER0032A 

GPS 

Ceramic filter also offers robust ESD 
Protection 

LNA 

Avago 

ALM-1106 

LNA 

pHEMT (GaAS) 

ALM-1412 

LNA + FBAR Filter 

 

ALM-1712 

 LNA + FBAR Filter 

 

ALM-1912 

LNA 

Module, for GPS only, also including 
FBAR filter in front of LNA 

ALM-2412 

LNA + FBAR Filter 

 

ALM-2712 

LNA 

Module, for GPS only, FBAR filter-LNA 
filter FBAR 

MAXIM 

MAX  

LNA 

Low noise figure, up to 10 dBm RF 
input power 

JRC  

NJG1143UA2 

LNA 

Low noise figure, up to 15 dBm RF 
input power 

Infineon 

BGM1032N16 

 LNA 

 

BGM981N11 

 LNA + Filter 

 

BGM1052N16 

LNA + Filter 

 

Triquint 

TQM640002 

 LNA + Filter 

 

Inductor 

Murata 

LQG15HS27NJ02 

L, 27 nH 

Impedance @ freq GPS > 500 

 

Capacitor 

Murata 

GRM1555C1E470JZ01 

C, 47 pF 

DC-block 

Ferrite 
Bead 

Murata 

BLM15HD102SN1 

FB 

High IZI @ fGSM 

Feed thru       Murata 
Capacitor 
for Signal 

NFL18SP157X1A3 
 

Monolithic Type 
Array Type 

Load Capacitance appropriate to  
Baud rate 
CL < xxx pF 

NFA18SL307V1A45 

Feed thru 
Capacitor 

Murata 

NFM18PC …. 
NFM21P…. 

0603 2A 
0805 4A 

Rs < 0.5 

  

Resistor 

 

10 

 

±

 10%, min 0.250 W 

R

bias

 

  

560 

 

±

 5% 

R2 

 

100 k

 

±

 5% 

R3, R4 

 

Op Amp 

Linear Technology 

LT6000 

U1 

Rail to Rail 

Transistor 

Vishay 

Si1016X 

T1 

 

Transistor 

Vishay 

Si1040X 

T2 

 

Table 2: Recommended parts 

Содержание MAX-M5Q

Страница 1: ...he features and specifications of the MAX M5Q in MAX form factor with Mediatek hybrid parallel GPS GGLONASS receiver This stand alone module is compact and easy to integrate and provides an easy upgra...

Страница 2: ...pecification This document applies to the following products Name Type number ROM FLASH version PCN reference MAX M5Q 0 All Flash FW320G UBX 3135 This document and the use of any information contained...

Страница 3: ...nstructions and information on how to set up production and final product tests Application Notes These documents provide general design instructions and information that applies to all u blox GPS GNS...

Страница 4: ...es by email Use our service pool email addresses rather than any personal email address of our staff This ensures that we process your request as soon as possible You will find the contact details at...

Страница 5: ...VCC Main Supply Voltage 11 2 5 2 V_BCKP Backup Supply Voltage 11 2 5 3 VCC_IO 11 2 5 4 VCC_RF Output Voltage RF section 11 2 6 Interfaces 12 2 6 1 UART 12 2 7 I O pins 12 2 7 1 Antenna input 12 2 7 2...

Страница 6: ...ns to a MAX 8x module 27 5 2 1 Software compatibility 27 6 Product handling 28 6 1 Packaging shipping storage and moisture preconditioning 28 6 1 1 Population of Modules 28 6 2 Soldering 28 6 2 1 Sold...

Страница 7: ...Objective Specification Contents Page 7 of 40 7 3 System sensitivity test 37 7 3 1 Guidelines for sensitivity tests 37 7 3 2 Go No go tests for integrated devices 37 Appendix 38 A Abbreviations 38 Rel...

Страница 8: ...erformance expectations in hybrid navigation using signals from both GPS GLONASS GNSS systems For product features see MAX M5Q Data Sheet Docu No FTX HW 13003 1 2 2 Architecture 2 2 1 MAX M5Q Architec...

Страница 9: ...the embedded power switch For more information about the power management command see 2 Use caution when implementing Backup Periodic or to AlwaysLocate mode since forward compatibility is not guaran...

Страница 10: ...tch autonomously only after the MAX M5Q is set to Periodic or to AlwaysLocate mode by an NMEA command Note that first fix position accuracy can be somewhat degraded in Power Management modes when comp...

Страница 11: ...t startup MAX M5Q modules must charge the internal capacitors in the core domain In certain situations this can result in a significant current draw For low power applications using Power Save and bac...

Страница 12: ...e antennas The antenna input RF_IN impedance is 50 The RF input signal path contains a SAW band pass filter before the internal LNA which provides good out of band protection against GNSS blocking cau...

Страница 13: ...wer planes are preferred o Avoid resistive components in the power line e g narrow power lines coils resistors etc o Placing a filter or other source of resistance at VCC can create significantly long...

Страница 14: ...ro strip must be 50 and be routed in a section of the PCB where minimal interference from noise sources can be expected In case of a multi layer PCB use the thickness of the dielectric between the sig...

Страница 15: ...Antenna RF_IN 11 I GPS signal input from antenna The connection to the antenna has to be routed on the PCB Use a controlled impedance of 50 to connect RF_IN to the antenna or the antenna connector DC...

Страница 16: ...ee section 6 2 1 9 7 mm 382 mil 10 1 mm 398 mil 1 0 mm 39 3 mil 0 7 mm 27 6 mil 0 8 mm 31 5 mil 0 65 mm 26 6 mil 1 1 mm 43 3 mil 0 8 mm 31 5 mil Figure 4 MAX M5Q footprint Stencil 150 m 7 9 mm 311 mil...

Страница 17: ...ion see data sheet 4 1 2 Antenna connection and ground plane design u blox 7 modules can be connected to passive or active antennas The RF connection is on the PCB and connects the RF_IN pin with the...

Страница 18: ...ro strip line Left 2 layer PCB right 4 layer PCB 4 1 3 General design recommendations Keep the length of the micro strip line as short as possible Avoid lengths over 2 5 cm 1 inch on standard PCB mate...

Страница 19: ...conductor is roughly double the thickness of the dielectric For the correct calculation of the micro strip impedance one does not only need to consider the distance between the top and the first inne...

Страница 20: ...mes they may also need a passive matching network to match the impedance to 50 4 2 1 1 Minimal setup with a good patch antenna Figure 3 shows a minimal setup for a design with a good GPS patch antenna...

Страница 21: ...of different supply voltage use a filtered external supply as shown in section 4 2 2 2 4 2 2 1 Active antenna design VCC_RF used to supply active antenna Figure 13 shows an active antenna design supp...

Страница 22: ...re 15 External active antenna supervisor using ANT_ON RF Vcc R R R R I bias _ 3 2 2 Equation 1 Calculation of threshold current for open circuit detection For recommended parts see section 4 3 4 2 2 4...

Страница 23: ...o be modified the LNA filter and antenna accordingly to let both signals pass Figure 17 GPS GLONASS SAW filter Usually an active GPS antenna includes a GPS band pass filter which may filter out the GL...

Страница 24: ...supporting GLONASS have a GPS GLONASS SAW filter see Figure 17 that lets both GPS and GLONASS signals pass For best performance with passive antenna designs use an external LNA See section 4 2 1 2 Fi...

Страница 25: ...F0A GPS GLONASS Low insertion loss Only for mobile application Triquint B9850 GPS Compliant to the AEC Q200 standard CTS CER0032A GPS Ceramic filter also offers robust ESD Protection LNA Avago ALM 110...

Страница 26: ...Wireless Table 3 Recommend GPS GLONASS active antenna A1 4 3 2 Recommended GPS GLONASS passive patch antenna Manufacturer Order No Comments Amotech www amotech co kr B35 3556920 2J2 35x35x3 mm GPS GLO...

Страница 27: ...ernal schottky diode pair to provide V_BCKP supply via VCC when it is active and when VCC is off then the other diode passes current from battery 5 1 1 Software compatibility No u blox binary protocol...

Страница 28: ...solder joints on the connectors half vias should meet the appropriate IPC specification 6 2 2 Reflow soldering A convection type soldering oven is strongly recommended over the infrared type radiatio...

Страница 29: ...ering the u blox 7 module consider an optical inspection step to check whether The module is properly aligned and centered over the pads All pads are properly soldered No excess solder has created con...

Страница 30: ...ss diagonal fixture soldering e g pins 1 and 15 and then continue from left to right 6 2 8 Rework The u blox 7 module can be unsoldered from the baseboard using a hot air gun When using a hot air gun...

Страница 31: ...serve strict EOS ESD EMI handling and protection measures To prevent overstress damage at the RF_IN of your receiver never exceed the maximum input power see Data Sheet 6 3 1 Electrostatic discharge E...

Страница 32: ...ction measures GPS GNSS positioning modules are sensitive to Electrostatic Discharge ESD Special precautions are required when handling For more robust designs employ additional ESD protection measure...

Страница 33: ...nce Any unshielded line or segment 3mm connected to the GPS GNSS receiver can effectively act as antenna and lead to EMI disturbances or damage The following elements are critical regarding EMI Unshie...

Страница 34: ...AW Filters from Epcos B9444 or B7839 or Murata 6 3 7 2 Increasing jamming immunity Jamming signals come from in band and out band frequency sources 6 3 7 3 In band jamming With in band jamming the sig...

Страница 35: ...T etc 0 500 1000 1500 2000 GPS input filter characteristics 0 110 0 500 1500 2000 Frequency M Hz GSM 900 GSM 1800 GSM 1900 Pow er dBm GPS input filter characteristics GPS 1575 0 110 GPS signals GSM 95...

Страница 36: ...ts are done Digital self test Software Download verification of FLASH firmware etc Measurement of voltages and currents Measurement of RF characteristics e g C No Traceability down to component level...

Страница 37: ...OEM product 2 Choose the power level in a way that the Golden Device would report a C No ratio of 38 40 dBHz 3 Power up the DUT Device Under Test and allow enough time for the acquisition 4 Read the...

Страница 38: ...compatibility EMI Electromagnetic interference EOS Electrical Overstress EPA Electrostatic Protective Area ESD Electrostatic discharge GLONASS Russian satellite system GND Ground GNSS Global Navigati...

Страница 39: ...tion Docu No FTX SW 13001 3 GPS Antenna Application Note Docu No GPS X 08014 4 GPS Compendium Doc No GPS X 02007 All these documents are available on our homepage http www u blox com For regular updat...

Страница 40: ...Asia Australia Pacific u blox Singapore Pte Ltd Phone 65 6734 3811 E mail info_ap u blox com Support support_ap u blox com Regional Office China Beijing Phone 86 10 68 133 545 E mail info_cn u blox co...

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