Telit Wireless Solutions SL876Q5-A Scheda tecnica

SL876Q5-A

Product User Guide

1VV0301333 Rev. 2

2017-06-27

SL876Q5-A Product User Guide

1VV0301333 Rev. 2Page 2 of 68 2017-06-27

SPECIFICATIONS ARE SUBJECT TO CHANGE WITHOUT NOTICE

NOTICE .

While reasonable efforts have been made to assure the accuracy of this document, Telit

assumes no liability resulting from any inaccuracies or omissions in this document, orfrom use

of the information obtained herein. The information in this document has been carefully

checked and is believed to be reliable. However, no responsibility is assumed for inaccuracies

or omissions. Telit reserves the right to make changes to any products described herein and

reserves the right to revise this document and to make changes from time to time in content

hereof with no obligation to notify any person of revisions or changes. Telit does not assume

any liability arising out of the application or use of any product, software, or circuit described

herein; neither does it convey license under its patent rights or the rights of others.

It is possible that this publication may contain references to, or information about Telit products

(machines and programs), programming, or services that are not announced in your country.

Such references or information must not be construed to mean that Telit intends to announce

such Telit products, programming, or services in your country.

COPYRIGHTS

This instruction manual and the Telit products described in this instruction manual may be,

include or describe copyrighted Telit material, such as computer programs stored in

semiconductor memories or other media. Laws in the Italy and other countries preserve for

Telit and its licensors certain exclusive rights for copyrighted material, including the exclusive

right to copy, reproduce in any form, distribute and make derivative works of the copyrighted

material. Accordingly, any copyrighted material of Telit and its licensors contained herein or in

the Telit products described in this instruction manual may not be copied, reproduced,

distributed, merged or modified in any manner without the express written permission of Telit.

Furthermore, the purchase of Telit products shall not be deemed to grant either directly or by

implication, estoppel, or otherwise, any license under the copyrights, patents or patent

applications of Telit, as arises by operation of law in the sale of a product.

COMPUTER SOFTWARE COPYRIGHTS

The Telit and 3rd Party supplied Software (SW) products described in this instruction manual

may include copyrighted Telit and other 3rd Party supplied computer programs stored in

semiconductor memories or other media. Laws in the Italy and other countries preserve for

Telit and other 3rd Party supplied SW certain exclusive rights for copyrighted computer

programs, including the exclusive right to copy or reproduce in any form the copyrighted

computer program. Accordingly, any copyrighted Telit or other 3rd Party supplied SW

computer programs contained in the Telit products described in this instruction manual may

not be copied (reverse engineered) or reproduced in any manner without the express written

permission of Telit or the 3rd Party SW supplier. Furthermore, the purchase of Telit products

shall not be deemed to grant either directly or by implication, estoppel, or otherwise, any

license under the copyrights, patents or patent applications of Telit or other 3rd Party supplied

SW, except for the normal non-exclusive, royalty free license to use that arises by operation

of law in the sale of a product.

SL876Q5-A Product User Guide

1VV0301333 Rev. 2Page 3 of 68 2017-06-27

USAGE AND DISCLOSURE RESTRICTIONS

I. License Agreements

The software described in this document is the property of Telit and its licensors. It is furnished

by express license agreement only and may beused only in accordance with the terms of such

an agreement.

II. Copyrighted Materials

Software and documentation are copyrighted materials. Making unauthorized copies is

prohibited by law. No part of the software or documentation may be reproduced, transmitted,

transcribed, stored in a retrieval system, or translated into any language or computer language,

in any form or by any means, without prior written permission of Telit

III. High Risk Materials

Components, units, or third-party products used in the product described herein are NOT fault-

tolerant and are NOT designed, manufactured, or intended for use as on-line control equipment

in the following hazardous environments requiring fail-safe controls: the operation of Nuclear

Facilities, Aircraft Navigation or Aircraft Communication Systems, Air Traffic Control, Life

Support, or Weapons Systems (High Risk Activities"). Telit and its supplier(s) specifically

disclaim any expressed or implied warranty of fitness for such High Risk Activities.

IV. Trademarks

TELIT and the Stylized T Logo are registered in Trademark Office. All other product or service

names are the property of their respective owners.

V. Third Party Rights

The software may include Third Party Right software. In this case you agree to comply with all

terms and conditions imposed on you in respect of such separate software. In addition to Third

Party Terms, the disclaimer of warranty and limitation of liability provisions in this License shall

apply to the Third Party Right software.

TELIT HEREBY DISCLAIMS ANY AND ALL WARRANTIES EXPRESS OR IMPLIED FROM

ANY THIRD PARTIES REGARDING ANY SEPARATE FILES, ANY THIRD PARTY

MATERIALS INCLUDED IN THE SOFTWARE, ANY THIRD PARTY MATERIALS FROM

WHICH THE SOFTWARE IS DERIVED (COLLECTIVELY “OTHER CODE”), AND THE USE

OF ANY OR ALL THE OTHER CODE IN CONNECTION WITH THE SOFTWARE,

INCLUDING (WITHOUT LIMITATION) ANY WARRANTIES OF SATISFACTORY QUALITY

OR FITNESS FOR A PARTICULAR PURPOSE.

NO THIRD PARTY LICENSORS OF OTHER CODE SHALL HAVE ANY LIABILITY FOR ANY

DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL

DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED

AND WHETHER MADE UNDER CONTRACT, TORT OR OTHER LEGAL THEORY, ARISING

IN ANY WAY OUT OF THE USE OR DISTRIBUTION OF THE OTHER CODE OR THE

EXERCISE OF ANY RIGHTS GRANTED UNDER EITHER OR BOTH THIS LICENSE AND

THE LEGAL TERMS APPLICABLE TO ANY SEPARATE FILES, EVEN IF ADVISED OF THE

POSSIBILITY OF SUCH DAMAGES.

SL876Q5-A Product User Guide

1VV0301333 Rev. 2Page 4 of 68 2017-06-27

PRODUCT APPLICABILITY TABLE

Product

SE876Q5-A

SL876Q5-A Product User Guide

1VV0301333 Rev. 2Page 5 of 68 2017-06-27

CONTENTS

NOTICE . .................................................................................................... 2

COPYRIGHTS................................................................................................2

COMPUTER SOFTWARE COPYRIGHTS...................................................... 2

USAGE AND DISCLOSURE RESTRICTIONS............................................... 3

PRODUCT APPLICABILITY TABLE.............................................................. 4

1. INTRODUCTION ........................................................................ 11

Purpose...................................................................................... 11

Contact and Support Information ................................................ 11

Text Conventions........................................................................12

Related Documents .................................................................... 13

Related Documents Requiring a Non-disclosure Agreement....... 13

2. PRODUCT DESCRIPTION......................................................... 14

Product Overview ....................................................................... 14

SL876Q5-A Block Diagram......................................................... 15

SL876Q5-A Module .................................................................... 16

3. SL876Q5-A EVALUATION KIT (EVK) ....................................... 17

SL876Q5-A Evaluation Board (EVB)........................................... 18

4. PRODUCT FEATURES.............................................................. 19

Built-in Antenna and Switch........................................................ 19

Multi-Constellation Navigation..................................................... 19

Quasi-Zenith Satellite System (QZSS) support........................... 19

Satellite Based Augmentation System (SBAS)............................ 19

SBAS Corrections....................................................................... 19

SBAS Ranging............................................................................19

Assisted GPS (AGPS) - SiRFInstantFix™................................... 19

Client-generated Extended Ephemeris (CGEE).......................... 20

Server-generated Extended Ephemeris (SGEE)......................... 20

2-D Positioning ........................................................................... 20

Static Navigation......................................................................... 20

Velocity Dead-Reckoning............................................................ 21

Jamming Rejection – Continuous Wave (CW) Jamming Mitigation21

Elevation Mask Angle ................................................................. 21

5 Hz Navigation .......................................................................... 21

10 Hz Navigation ........................................................................ 22

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1PPS ..........................................................................................22

I/O Communication Ports............................................................ 22

Power Management.................................................................... 23

Full Power Mode......................................................................... 23

SmartGNSS................................................................................23

Trickle Power..............................................................................24

Push-to-Fix .................................................................................24

SiRFaware.................................................................................. 24

Hibernate....................................................................................24

Internal LNA................................................................................ 25

Device Wake-up (1st port) ........................................................... 25

MEMS Wakeup (2nd Port - I2C).................................................. 25

Host I/O Ports.............................................................................25

5. PRODUCT PERFORMANCE ..................................................... 26

Horizontal Position Accuracy ...................................................... 26

Time to First Fix..........................................................................26

Sensitivity ................................................................................... 27

6. SOFTWARE INTERFACE.......................................................... 28

NMEA Output Messages ............................................................ 28

Standard Messages.................................................................... 28

SiRF Proprietary Messages........................................................ 29

Telit Proprietary Messages ......................................................... 29

NMEA Input Commands............................................................. 30

Change output sentences and their rates.................................... 30

Change data rate........................................................................ 30

Switch to OSP protocol............................................................... 30

OSP Output Messages............................................................... 30

OSP Input Commands................................................................ 30

Change output messages........................................................... 30

Change data rate........................................................................ 30

Switch to NMEA protocol and data rate....................................... 30

7. FLASH UPGRADABILITY.......................................................... 31

8. ELECTRICAL INTERFACE........................................................ 32

Module Pin-out............................................................................ 32

DC Characteristics...................................................................... 35

Absolute Maximum Ratings ........................................................ 35

Power Supply..............................................................................36

1.8 V Supply Voltage .................................................................. 36

Voltage Supply Capacitance....................................................... 36

DC Power Requirements ............................................................ 36

SL876Q5-A Product User Guide

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DC Power Consumption ............................................................. 37

Control Input Signals................................................................... 38

ON-OFF (input) and SYSTEM-ON (output)................................. 38

nReset........................................................................................38

Boot Select ................................................................................. 39

Internal / nExternal Antenna Enable............................................ 39

Control Output Signals................................................................ 39

1PPS ..........................................................................................39

SYSTEM-ON (output)................................................................. 39

LNA Enable ................................................................................39

RF Interface................................................................................ 40

Built-in chip antenna ................................................................... 40

External RF Input........................................................................ 40

Ground Plane.............................................................................. 40

External Active Antenna Voltage................................................. 41

Burnout Protection...................................................................... 41

Jamming Rejection ..................................................................... 41

Frequency Plan...........................................................................41

Local Oscillator Leakage............................................................. 41

Host I/O Ports - Configuration and Operation.............................. 42

Primary Host Port Configuration.................................................. 42

Secondary Host Port Configuration............................................. 42

UART Operation......................................................................... 42

I2C Operation.............................................................................. 43

SPI Operation............................................................................. 44

9. REFERENCE DESIGN............................................................... 45

10. RF FRONT END DESIGN CONSIDERATIONS.......................... 47

RF Signal Requirements............................................................. 47

GNSS Antenna Polarization........................................................ 48

Active versus Passive Antenna................................................... 48

GNSS Antenna Gain................................................................... 49

System Noise Floor..................................................................... 49

PCB stack and Trace Impedance................................................ 50

RF Trace Losses ........................................................................ 50

Implications of the Pre-Select SAW Filter.................................... 51

RF Interference........................................................................... 51

Shielding..................................................................................... 51

Powering an External LNA (External Active Antenna)................. 52

11. MECHANICAL DRAWING ......................................................... 53

12. PCB FOOTPRINT ...................................................................... 54

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13. PRODUCT PACKAGING AND HANDLING............................... 56

Product Labelling and Serialization............................................. 56

Product Label – SL876Q5-A....................................................... 56

Product Packaging...................................................................... 57

Moisture Sensitivity..................................................................... 58

ESD Sensitivity...........................................................................59

Reflow.........................................................................................59

Assembly Considerations............................................................ 59

Washing Considerations............................................................. 59

Safety .........................................................................................59

Disposal...................................................................................... 59

14. ENVIRONMENTAL REQUIREMENTS....................................... 60

Operating Environmental Limits.................................................. 60

Storage Environmental Limits..................................................... 60

15. COMPLIANCES ......................................................................... 61

EU Declaration of Conformity...................................................... 61

RoHS Certificate......................................................................... 61

16. GLOSSARY AND ACRONYMS ................................................. 62

17. SAFETY RECOMMENDATIONS................................................ 65

READ CAREFULLY.................................................................... 65

Electrical and Fire Safety............................................................ 66

18. DOCUMENT HISTORY .............................................................. 67

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FIGURES

Figure 2-1 SL876Q5-A Block Diagram.................................................................................15

Figure 2-2 SL876Q5-A module photo...................................................................................16

Figure 3-1 Evaluation Kit (EVK) contents.............................................................................17

Figure 3-2 SL876Q5-A Evaluation Board.............................................................................18

Figure 8-1 SL876Q5-A Pin-out Diagram...............................................................................32

Figure 9-1 Reference Design...............................................................................................45

Figure 10-1 RF Trace Examples..........................................................................................50

Figure 11-1 SL876Q5-A Mechanical Drawing ......................................................................53

Figure 12-1 SL876Q5-A Footprint and Ground Plane..........................................................54

Figure 12-2 SL876Q5-A PCB Footprint (detail)....................................................................55

Figure 13-1 SL876Q5-A Product Label ................................................................................56

Figure 13-2 Product Packaging – Tray 90 pcs. each............................................................57

Figure 13-3 Moisture-Sensitive Device Label.......................................................................58

SL876Q5-A Product User Guide

1VV0301333 Rev. 2Page 10 of 68 2017-06-27

TABLES

Table 4-1 Power Management Modes .................................................................................23

Table 5-1 SL876Q5-A Horizontal Position Accuracy ............................................................26

Table 5-2 SL876Q5-A Time to First Fix................................................................................26

Table 5-3 SL876Q5-A Sensitivity .........................................................................................27

Table 6-1 Default NMEA Output Messages..........................................................................28

Table 6-2 Available NMEA Output Messages ......................................................................28

Table 6-3 NMEA Talker IDs .................................................................................................29

Table 8-1 SL876Q5-A Pin-out Function Table......................................................................34

Table 8-2 DC Characteristics...............................................................................................35

Table 8-3 Absolute Maximum Ratings..................................................................................35

Table 8-4 DC Supply Voltage...............................................................................................36

Table 8-5 Power Consumption – SL876Q5-A ......................................................................37

Table 8-6 Power Consumption – SL876Q5-A Low Power modes ........................................37

Table 8-9 Ground Plane Size...............................................................................................40

Table 8-7 Frequency Plan....................................................................................................41

Table 8-8 LO Leakage .........................................................................................................41

Table 8-10 Primary Host I/O Port Configuration...................................................................42

Table 8-11 UART Pin Assignments......................................................................................43

Table 8-12 I2C Pin Assignments...........................................................................................44

Table 8-13 SPI Mode Pin Assignments................................................................................44

Table 10-1 Inductor Loss .....................................................................................................52

Table 13-1 SL876Q5-A Product Label Description...............................................................56

Table 14-1 Operating Environmental Limits .........................................................................60

Table 14-2 Storage Environmental Limits.............................................................................60

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