Telit Wireless Solutions LN920 TLB, User Manual

Page 1: ...LN920 TLB HW User Guide 1VV0301735 Rev 0 2021 07 15 Telit Technical Documentation...

Page 2: ...LN920 TLB Hardware User Guide 1VV0301735 Rev 0 Page 2 of 33 2021 07 15 Not Subject to NDA APPLICABILITY TABLE PRODUCTS PART NUMBER LN920A12 WW TBD LN920A6 WW TBD...

Page 3: ...Jumpers Setting Guidelines 13 Antenna Ports 14 Guidance for Evaluation Board Configuration 14 2 6 1 Bypass Setting 16 2 6 1 1 Jumper Setting for Bypass Mode 17 2 6 2 6 15V Setting 17 2 6 2 1 Guideline...

Page 4: ...0 Page 4 of 33 2021 07 15 Not Subject to NDA 6 2 2 Copyrighted Materials 28 6 2 3 High Risk Materials 28 6 2 4 Trademarks 29 6 2 5 Third Party Rights 29 6 2 6 Waiwer of Liability 29 Safety Recommenda...

Page 5: ...he Telit LN920 module Translation Level Board TLB Contact Information Support For technical support please e mail TS EMEA telit com TS AMERICAS telit com TS APAC telit com TS SRD telit com Alternative...

Page 6: ...when integrating the module Electro static Discharge Notifies the user to take proper grounding precautions before handling the product Table 1 Symbol Conventions All dates are in ISO 8601 format that...

Page 7: ...or interfacing to EVB main board Module specific circuitry which is not part of the generic circuitry of the EVB The TLB includes a M 2 module socket making the data card removable from the TLB The Po...

Page 8: ...LN920 TLB Hardware User Guide 1VV0301735 Rev 0 Page 8 of 33 2021 07 15 Not Subject to NDA TLB View The below pictures show the TLB top and bottom view LN920 TLB Top View Figure 1 TLB Top View...

Page 9: ...LN920 TLB Hardware User Guide 1VV0301735 Rev 0 Page 9 of 33 2021 07 15 Not Subject to NDA LN920 TLB Bottom View Figure 2 TLB Bottom View...

Page 10: ...nna Connector In case of LN920 only 2 out of 4 LTE antenna connectors are used The central RF connector is dedicated to GNSS while the secondary cellular LTE antenna can be shared between cellular AUX...

Page 11: ...PL606 1 2 as indicated in Table 3 3 SCK_GPIO5 PL216 The Jumper PL216 allows to connect SCK_GPIO5 M 2 pin 20 to general EVB Place jumpers on PL216 1 2 and PL606 1 2 as indicated in Table 3 4 USB Type...

Page 12: ...Place jumper on PL214 1 2 LN920 Power ON Remove jumper from PL214 LN920 Power OFF W_DISABLE_N Connecting a jumper to PL201 activates the W_DISABLE_N function Power Saving Mode Please refer to the AT P...

Page 13: ...efault Jumper Setting of TLB Jumper Jumper Type Set Position Description PL214 2 54 mm 1 2 Power ON PL301 PL302 2 54 mm 1 2 3 3V Power for USB type C PL216 2 54 mm 1 2 Connect SCK_GPIO5 to EVB main bo...

Page 14: ...information on Antenna ports please refer to the LN920 HW User Guide 1VV0301730 Chapter 7 1 Antenna Interface Warning Be careful not to damage cables and RF connectors assembly when connecting the Ant...

Page 15: ...k supply with a set point of 3 9V is used to provide the system VBAT Thus the default jumper configuration is as follows PL103 2 3 PL106 1 2 PL105 2 3 PL102 allows an external configurable power suppl...

Page 16: ...Page 16 of 33 2021 07 15 Not Subject to NDA Figure 11 Default Jumper Setting of Telit EVB 2 6 1 Bypass Setting Power Supply Value Voltage Max Current 3 3 V 5 TBD A Table 4 Power Supply Requirement Fi...

Page 17: ...rter block and step down to 3 9V to supply the LN920 module The output voltage of DC DC converter is designed as 3 9V and it does not meet the LN920 M 2 card power supply specification Therefore it is...

Page 18: ...h Telit EVB Figure 15 12V adaptor connector Step 2 Power source by DC DC convertor is supplied from PL101 SO101 As previously mentioned the output voltage for which the DC DC converter is designed is...

Page 19: ...301735 Rev 0 Page 19 of 33 2021 07 15 Not Subject to NDA Note It is highly recommended to use a 1 69 KOhm 1 16W 0402 inch resistor with 1 tolerance for stable 3 3V output Bottom View of PCB CS1742E Fi...

Page 20: ...LN920 TLB Hardware User Guide 1VV0301735 Rev 0 Page 20 of 33 2021 07 15 Not Subject to NDA 3 COMPONENT ASSEMBLY DIAGRAM Layout Component Diagram Top View Figure 17 Component Diagram Top View...

Page 21: ...LN920 TLB Hardware User Guide 1VV0301735 Rev 0 Page 21 of 33 2021 07 15 Not Subject to NDA Component Diagram Bottom View Figure 18 Component Diagram Bottom View...

Page 22: ...LN920 TLB Hardware User Guide 1VV0301735 Rev 0 Page 22 of 33 2021 07 15 Not Subject to NDA 4 SCHEMATICS Figure 19 Page 1 Figure 20 Page 2...

Page 23: ...LN920 TLB Hardware User Guide 1VV0301735 Rev 0 Page 23 of 33 2021 07 15 Not Subject to NDA Figure 21 Page 3 Figure 22 Page 4...

Page 24: ...LN920 TLB Hardware User Guide 1VV0301735 Rev 0 Page 24 of 33 2021 07 15 Not Subject to NDA Figure 23 Page 5 Figure 24 Page 6...

Page 25: ...uide 1VV0301735 Rev 0 Page 25 of 33 2021 07 15 Not Subject to NDA Note For a higher resolution picture of schematic please contact Telit technical at TS EMEA telit com TS AMERICAS telit com TS APAC te...

Page 26: ...6 of 33 2021 07 15 Not Subject to NDA 5 CHANGE LIST This section will explain the changes from the previous TLB There are some differences which are described in the table below PCB Code Change List C...

Page 27: ...necessarily mean that Telit intends to announce such Telit products programming or services in your country 6 1 1 Copyrights This instruction manual and the Telit products described herein may include...

Page 28: ...s document is owned by Telit and its licensors It is furnished by express license agreement only and shall be used exclusively in accordance with the terms of such agreement 6 2 2 Copyrighted Material...

Page 29: ...OR A PARTICULAR PURPOSE NO THIRD PARTY LICENSORS OF OTHER CODES MUST BE LIABLE FOR ANY DIRECT INDIRECT INCIDENTAL SPECIAL EXEMPLARY OR CONSEQUENTIAL DAMAGES INCLUDING WITHOUT LIMITATION LOST OF PROFIT...

Page 30: ...ruction for its use Do not insert or remove the SIM when the product is in power saving mode The system integrator is responsible for the functioning of the final product Therefore the external compon...

Page 31: ...Not Subject to NDA 7 GLOSSARY ECO Engineering Change Order EVB Evaluation Board IFBD Interface Board PCB Printed Circuit Board SDK Software Development Kit SIM Subscriber Identification Module TIM Th...

Page 32: ...LN920 TLB Hardware User Guide 1VV0301735 Rev 0 Page 32 of 33 2021 07 15 Not Subject to NDA 8 DOCUMENT HISTORY Revision Date Changes 0 2021 07 15 Initial release From Mod 0818 rev 4...

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