Telit Wireless Solutions LN920 TLB User Manual
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Telit Wireless Solutions LN920 TLB User Manual

Telit Wireless Solutions LN920 TLB User Manual

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

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Summary of Contents for Telit Wireless Solutions LN920 TLB

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

  • Page 2: Applicability Table

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

  • Page 3: Table Of Contents

    LN920 TLB Hardware User Guide CONTENTS APPLICABILITY TABLE CONTENTS INTRODUCTION Scope Audience Contact Information, Support Symbol Conventions Related Documents GENERAL PRODUCT DESCRIPTION Overview TLB View TLB Description Jumpers Setting Guidelines Antenna Ports Guidance for Evaluation Board Configuration 2.6.1. Bypass Setting 2.6.1.1.
  • Page 4 LN920 TLB Hardware User Guide 6.2.2. Copyrighted Materials 6.2.3. High Risk Materials 6.2.4. Trademarks 6.2.5. Third Party Rights 6.2.6. Waiwer of Liability Safety Recommendations GLOSSARY DOCUMENT HISTORY 1VV0301735 Rev. 0 Page 4 of 33 2021-07-15 Not Subject to NDA...

  • Page 5: Introduction

    LN920 TLB Hardware User Guide 1. INTRODUCTION Scope This document describes the LN920 TLB which is part of complete LN920 Development Kit (Dev-Kit). Audience This document is intended for system integrators that are using the Telit LN920 module Translation Level Board (TLB).

  • Page 6: Related Documents

    LN920 TLB Hardware User Guide Note/Tip: Provides advice and suggestions that may be useful 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 is YYYY-MM-DD.

  • Page 7: General Product Description

    Telit Generic Evaluation Board (EVB), thus forming the complete Development Kit of LN920. The TLB provides mapping of Telit module signals and functions into the generic EVB signals and functions. The LN920 TLB includes – among others - the following items: • RF SMA connectors •...

  • Page 8: Tlb View

    LN920 TLB Hardware User Guide TLB View The below pictures show the TLB top and bottom view. LN920 TLB Top View Figure 1: TLB Top View 1VV0301735 Rev. 0 Page 8 of 33 2021-07-15 Not Subject to NDA...
  • Page 9 LN920 TLB Hardware User Guide LN920 TLB Bottom View Figure 2: TLB Bottom View 1VV0301735 Rev. 0 Page 9 of 33 2021-07-15 Not Subject to NDA...

  • Page 10: Tlb Description

    LN920 TLB Hardware User Guide TLB Description Figure 3: TLB Description (1) GNSS/LTE Antenna 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 antenna and GNSS receiver.
  • Page 11 LN920 TLB Hardware User Guide (2) 1.8V VAUX/PWRMON (PL601/PL606) Figure 5: 1.8V VAUX/PWRMON The Jumper PL601/PL606 allows to supply 1.8V I/O power to the Telit EVB. Place jumpers on PL601 1-2 and 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.
  • Page 12 LN920 TLB Hardware User Guide (5) FULL_CARD_POWER_OFF_N / W_DISABLE_N Figure 7: Auto Power ON / W_DISABLE_N - FULL_CARD_POWER_OFF_N 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).

  • Page 13: Jumpers Setting Guidelines

    LN920 TLB Hardware User Guide Jumpers Setting Guidelines Figure 8: Default Jumper Setting of TLB Jumper Jumper Type Set Position Description PL214 2.54 mm Power ON PL301/PL302 2.54 mm 3.3V Power for USB type C PL216 2.54 mm Connect SCK_GPIO5 to EVB main board PL601/PL606 2.54 mm...

  • Page 14: Antenna Ports

    LN920 TLB Hardware User Guide Antenna Ports Figure 9: Antenna Ports Note: For more detailed 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 Antenna cables.
  • Page 15 LN920 TLB Hardware User Guide Figure 10: EVB Power Supply The EVB main power connector is PL101/SO101 with an input range of 6-15V. Normally (i.e. in a typical SW developers setup), the EVB is supplied from the main power connector, and a DC-DC buck supply with a set point of 3.9V is used to provide the system VBAT.

  • Page 16: Bypass Setting

    LN920 TLB Hardware User Guide 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 Figure 12: Connecting Power Supply and Telit EVB 1VV0301735 Rev.

  • Page 17: Jumper Setting For Bypass Mode

    LN920 TLB Hardware User Guide 2.6.1.1. Jumper Setting for Bypass Mode PL106/2-3 Figure 13: Jumper Setting of Telit EVB for Bypass Mode 2.6.2. 6-15V Setting The EVB main power connector is PL101/SO101, with an input range of 6-15V DC. It is usually connected to a DC power supply or power adapter.
  • Page 18 LN920 TLB Hardware User Guide Figure 14: Power Supply Connector SO101: 12V adapter connector Power source from 12V adapter, such as the one supplied with Telit EVB Figure 15: 12V adaptor connector • Step 2 Power source by DC-DC convertor is supplied from PL101/SO101.
  • Page 19 LN920 TLB Hardware User Guide 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> Figure 16: Bottom View of PCB, CS1742E 1VV0301735 Rev. 0...

  • Page 20: Component Assembly Diagram

    LN920 TLB Hardware User Guide 3. COMPONENT ASSEMBLY DIAGRAM Layout Component Diagram Top View Figure 17: Component Diagram Top View 1VV0301735 Rev. 0 Page 20 of 33 2021-07-15 Not Subject to NDA...
  • Page 21 LN920 TLB Hardware User Guide Component Diagram Bottom View Figure 18: Component Diagram Bottom View 1VV0301735 Rev. 0 Page 21 of 33 2021-07-15 Not Subject to NDA...

  • Page 22: Schematics

    LN920 TLB Hardware User Guide 4. SCHEMATICS Figure 19: Page 1 Figure 20: Page 2 1VV0301735 Rev. 0 Page 22 of 33 2021-07-15 Not Subject to NDA...
  • Page 23 LN920 TLB Hardware User Guide Figure 21: Page 3 Figure 22: Page 4 1VV0301735 Rev. 0 Page 23 of 33 2021-07-15 Not Subject to NDA...
  • Page 24 LN920 TLB Hardware User Guide Figure 23: Page 5 Figure 24: Page 6 1VV0301735 Rev. 0 Page 24 of 33 2021-07-15 Not Subject to NDA...
  • Page 25 LN920 TLB Hardware User Guide Note: For a higher resolution picture of schematic, please contact Telit technical at: TS-EMEA@telit.com • • TS-AMERICAS@telit.com TS-APAC@telit.com • • TS-SRD@telit.com 1VV0301735 Rev. 0 Page 25 of 33 2021-07-15 Not Subject to NDA...

  • Page 26: Change List

    LN920 TLB Hardware User Guide 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 CS2064 Prototype. Table 5: Changes from the Previous TLB 1VV0301735 Rev.

  • Page 27: Product And Safety Information

    LN920 TLB Hardware User Guide 6. PRODUCT AND SAFETY INFORMATION Copyrights and Other Notices SPECIFICATIONS ARE SUBJECT TO CHANGE WITHOUT NOTICE Although reasonable efforts have been made to ensure the accuracy of this document, Telit assumes no liability resulting from any inaccuracies or omissions in this document, or from the use of the information contained herein.

  • Page 28: Usage And Disclosure Restrictions

    LN920 TLB Hardware User Guide computer programs, including – but not limited to - the exclusive right to copy or reproduce in any form the copyrighted products. Accordingly, any copyrighted computer programs contained in Telit’s products described in this instruction manual shall not be copied (reverse engineered) or reproduced in any manner without the express written permission of the copyright owner, being Telit or the Third Party software supplier.

  • Page 29: Trademarks

    LN920 TLB Hardware User Guide 6.2.4. Trademarks TELIT and the Stylized T-Logo are registered in the Trademark Office. All other product or service names are property of their respective owners. 6.2.5. Third Party Rights The software may include Third Party’s software Rights. In this case the user agrees to comply with all terms and conditions imposed in respect of such separate software rights.

  • Page 30: Safety Recommendations

    LN920 TLB Hardware User Guide Safety Recommendations Make sure the use of this product is allowed in your country and in the environment required. The use of this product may be dangerous and has to be avoided in areas where: •...

  • Page 31: Glossary

    LN920 TLB Hardware User Guide 7. GLOSSARY Engineering Change Order Evaluation Board IFBD Interface Board Printed Circuit Board Software Development Kit Subscriber Identification Module Thermal Interface Material Translation Board Universal serial bus 1VV0301735 Rev. 0 Page 31 of 33 2021-07-15...

  • Page 32: Document History

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

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Ln920a12-ww

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