Telit Wireless Solutions NE310L2 Leitfaden

NE310L2

HW Design Guide

1VV0301711 Rev. 4 – 2022-06-24

Telit Technical Documentation

NE310L2 Hardware Design Guide

1VV0301711 Rev4 Page 2 of 74 2022-06-24

Not Subject to NDA

APPLICABILITY TABLE

PRODUCTS

NE310L2-W1

NE310L2-WW

NE310L2 Hardware Design Guide

1VV0301711 Rev4 Page 3 of 74 2022-06-24

Not Subject to NDA

CONTENTS

APPLICABILITY TABLE 2

CONTENTS 3

INTRODUCTION 7

Scope 7

Audience 7

Contact Information, Support 7

Symbol Conventions 8

Related documents 8

GENERAL PRODUCT DESCRIPTION 9

Overview 9

Product Variants and Frequency Bands 9

Target Market 9

Main Features 9

TX Output Power 10

NE310L2-W1 10

NE310L2-WW 10

RX Sensitivity 10

NE310L2-W1 10

NE310L2-WW 11

Mechanical Specifications 12

Dimensions 12

Weight 12

Temperature Range 13

PINS ALLOCATION 14

Pin-out 14

LGA Pads Layout 18

POWER SUPPLY 20

Power Supply Requirements 20

Power Consumption 21

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NE310L2-W1Idle Mode 21

NE310L2-WW Idle Mode 21

NE310L2-W1 Connected Mode 22

NE310L2-WW Connected Mode 23

General Design Rules 23

Electrical Design Guidelines 24

4.3.1.1.

+5V Source Power Supply Design Guidelines 24

4.3.1.2.

+12V Source Power Supply Design Guidelines 25

4.3.1.3.

Battery Source Power Supply Design Guidelines 26

Thermal Design Guidelines 26

Power Supply PCB Layout Guidelines 26

RTC Supply 28

PWRMON Power-on Monitor 28

DIGITAL SECTION 30

Logic Levels 30

Power On 30

Power Off 32

Unconditional Shutdown 33

Wake up From Deep Sleep Mode 34

Communication Ports 34

SPI 34

Serial Ports 34

5.6.2.1.

Asynchronous Serial Port (USIF0) 35

5.6.2.2.

Auxiliary Serial Port 36

General Purpose I/O 36

Using a GPIO as INPUT 37

Using a GPIO as OUTPUT 37

ADC Converter 37

Using ADC Converter 38

DAC Converter 38

Enabling DAC 38

RF SECTION 39

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Antenna Requirements 39

PCB Design Guidelines 39

MECHANICAL DESIGN 41

Drawing 41

NE310L2-W1 41

NE310L2-WW 42

APPLICATION PCB DESIGN 43

Footprint 43

NE310L2-W1 43

NE310L2-WW 45

Recommendations for NE310L2-W1 47

Recommendations for NE310L2-WW 48

PCB Pad Design 49

Stencil 50

Solder Paste 50

Solder Reflow 50

PACKAGING 52

Tray 52

NE310L2-W1 52

NE310L2-WW 54

Reel 56

NE310L2-W1 56

NE310L2-WW 57

9.3 Moisture Sensitivity 58

CONFORMITY ASSESSMENT ISSUES 59

Approvals Summary 59

Europe Approvals 59

RED Declaration of Conformity 59

UKCA Declaration of Conformity 59

RED / UKCA Antennas 59

FCC and ISED Approval /

FCC et ISDE Approbation

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FCC Certificates 60

ISED Certificate /

ISDE Certificates

Applicable FCC and ISED Rules /

Liste des Règles FCC et

ISDE Applicables

FCC and ISED Regulatory Notices /

Avis Réglementaires de

FCC et ISDE

FCC/ISED Antennas /

FCC/ISDE Antennes

FCC Label and Compliance Information 64

ISED Label and Compliance Information/

Étiquette et

Informations de Conformité ISDE

Information on Test Modes and Additional Testing

Requirements /

Informations sur les Modes de Test et les

Exigences de Test Supplémentaires

FCC Additional Testing, Part 15 Subpart B Disclaimer 66

PRODUCT AND SAFETY INFORMATION 67

Copyrights and Other Notices 67

Copyrights 67

Computer Software Copyrights 67

Usage and Disclosure Restrictions 68

License Agreements 68

Copyrighted Materials 68

High Risk Materials 68

Trademarks 69

3rd Party Rights 69

Waiwer of Liability 69

Safety Recommendations 70

GLOSSARY 71

DOCUMENT HISTORY 73

NE310L2 Hardware Design Guide

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INTRODUCTION

Scope

This document introduces the NE310L2 module and presents possible and recommended

hardware solutions to develop a product based on this module and all variants listed in

the applicability table.

This document cannot include every hardware solution or every product that can be

designed, so the information provided should be used as a guide and starting point.

Audience

This document is intended for system integrators that are using the NE310L2 modules in

their products.

Contact Information, Support

For technical support services and general questions please e-mail:



TS-EM[email protected]



TS-AM[email protected]



[email protected]



TS-SRD@telit.com



[email protected]

Alternatively, use:

https://www.telit.com/contact-us/

Product information and technical documents are accessible 24/7 on our web site:

https://www.telit.com

NE310L2 Hardware Design Guide

1VV0301711 Rev4 Page 8 of 74 2022-06-24

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Symbol Conventions

Danger: This information MUST be followed or catastrophic

equipment failure or personal injury may occur.

Warning: Alerts the user on important steps about the module

integration.

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.

Related documents



80668ST11067A NE310L2 AT Commands Reference Guide

NE310L2 Hardware Design Guide

1VV0301711 Rev4 Page 9 of 74 2022-06-24

Not Subject to NDA

GENERAL PRODUCT DESCRIPTION

Overview

The NE310L2 module is a NBIoT communication product that allows integrators to plan

for availability even for longer lifecycle applications, highly recommended for new

designs specified for worldwide coverage.

The NE310L2 operates with 1.8 V GPIOs, minimizing power consumption and making it

even more ideal for application with battery-powered and wearable devices.

Product Variants and Frequency Bands

Product 2G Band (MHz) LTE CATM1 NBIoT CS Voice

VoLTE Region

NE310L2-W1 - -

B1, B2, B3, B4, B5, B8,

B12, B13, B18, B19, B20,

B25, B26, B28, B66, B85

N Worldwide

NE310L2-WW 850, 900, 1800, 1900 -

B1, B2, B3, B4, B5, B8,

B12, B13, B18, B19, B20,

B25, B26, B28, B66, B85

N Worldwide

Table 2: Product Variants and their Frequency Bands

Refer to “RF Section” for details information about frequencies.

Note: Cellular technologies and frequency bands may vary based on

firmware version and firmware configuration used.

Target Market

NE310L2 can be used for Global IoT applications such as smart metering, healthcare

monitoring, home automation, industrial sensors, smart agriculture, asset tracking,

point of sale, portable devices and many more that benefit from low-power and low-data

rate capabilities.

Main Features

Function Features

Modem



NBIoT technology



SMS support (text and PDU)



Real Time Clock

NE310L2 Hardware Design Guide

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Not Subject to NDA

Function Features

Interfaces



USIF0 Main UART (AT command* and Log)



AUX UART (AT Command*, FW Uograde, LOg)



SPI**



6 GPIOs



Antenna port

Table 3: Functional Features

* Functionality depending on ports configuration

** Functionality will be available on future Maintenance releases

TX Output Power

NE310L2-W1

Band Mode Class RF power (dBm) Nominal*

B1, B2, B3, B4, B5, B8, B12, B13, B18,

B19, B20, B25, B26, B28, B66, B85 (LTE) CAT-NB1 3 23

Table 4: Transmission Output Power

* Max output power tolerance range according to 3GPP TS 36.521-1 or better

NE310L2-WW

Band Mode Class RF power (dBm)Nominal*

850/900MHz GPRS 4 32.5

1800/1900MHz

GPRS 1 29.5

B1, B2, B3, B4,

B5, B8, B12,

B13, B18, B19,

B20, B25, B26,

B28, B66, B85

(LTE) CAT-NB1 3 23

Table 5: Transmission Output Power

* Max output power tolerance range according to 3GPP TS 36.521-1 and 3GPP TS 51.010-1 or better

RX Sensitivity

NE310L2-W1

Band REFsens (dBm) Typical REFsens (dBm)* 3GPP Limit

CAT NB2 / Band1 -114.2 -108.2

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