Quectel BG95 Series Supplement

BG95xA-GL

Hardware Design

LPWA Module Series

Version: 1.1.1

Date: 2022-06-10

Status: Preliminary

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We make no warranty or representation, either express or implied, regarding the third-party materials,

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device, tool, information, or product. We moreover disclaim any and all warranties arising from the course

of dealing or usage of trade.

To implement module functionality, certain device data are uploaded to Quectel’s or third-party’s servers,

including carriers, chipset suppliers or customer-designated servers. Quectel, strictly abiding by the

relevant laws and regulations, shall retain, use, disclose or otherwise process relevant data for the

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Disclaimer

a) We acknowledge no liability for any injury or damage arising from the reliance upon the information.

b) We shall bear no liability resulting from any inaccuracies or omissions, or from the use of the

information contained herein.

c) While we have made every effort to ensure that the functions and features under development are

free from errors, it is possible that they could contain errors, inaccuracies, and omissions. Unless

otherwise provided by valid agreement, we make no warranties of any kind, either implied or express,

and exclude all liability for any loss or damage suffered in connection with the use of features and

functions under development, to the maximum extent permitted by law, regardless of whether such

loss or damage may have been foreseeable.

d) We are not responsible for the accessibility, safety, accuracy, availability, legality, or completeness of

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Safety Information

The following safety precautions must be observed during all phases of operation, such as usage, service

or repair of any cellular terminal or mobile incorporating the module. Manufacturers of the cellular terminal

should notify users and operating personnel of the following safety information by incorporating these

guidelines into all manuals of the product. Otherwise, Quectel assumes no liability for customers’ failure to

comply with these precautions.

Full attention must be paid to driving at all times in order to reduce the risk of an

accident. Using a mobile while driving (even with a handsfree kit) causes

distraction and can lead to an accident. Please comply with laws and regulations

restricting the use of wireless devices while driving.

Switch off the cellular terminal or mobile before boarding an aircraft. The operation

of wireless appliances in an aircraft is forbidden to prevent interference with

communication systems. If there is an Airplane Mode, it should be enabled prior to

boarding an aircraft. Please consult the airline staff for more restrictions on the use

of wireless devices on an aircraft.

Wireless devices may cause interference on sensitive medical equipment, so

please be aware of the restrictions on the use of wireless devices when in

hospitals, clinics or other healthcare facilities.

Cellular terminals or mobiles operating over radio signal and cellular network

cannot be guaranteed to connect in certain conditions, such as when the mobile bill

is unpaid or the (U)SIM card is invalid. When emergent help is needed in such

conditions, use emergency call if the device supports it. In order to make or receive

a call, the cellular terminal or mobile must be switched on in a service area with

adequate cellular signal strength. In an emergency, the device with emergency call

function cannot be used as the only contact method considering network

connection cannot be guaranteed under all circumstances.

The cellular terminal or mobile contains a transceiver. When it is ON, it receives

and transmits radio frequency signals. RF interference can occur if it is used close

to TV sets, radios, computers or other electric equipment.

In locations with explosive or potentially explosive atmospheres, obey all posted

signs and turn off wireless devices such as mobile phone or other cellular

terminals. Areas with explosive or potentially explosive atmospheres include

fueling areas, below decks on boats, fuel or chemical transfer or storage facilities,

and areas where the air contains chemicals or particles such as grain, dust or

metal powders.

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About the Document

Revision History

Version

Date

Author

Description

2021-07-07

Lex LI/

Ben JIANG

Creation of the document

1.0

2022-04-22

Lex LI/

Ben JIANG

First official release

1.1.0

2022-05-30

Lex LI/

Ben JIANG

Preliminary:

Added the applicable modules of BG953A-GL and

BG955A-GL.

1.1.1

2022-06-10

Lex LI/

Ben JIANG

Preliminary:

Updated the functional diagram of BG955A-GL

(Figure 4)

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Contents

Safety Information ........................................................................................................................................ 3

About the Document .................................................................................................................................... 4

Contents .........................................................................................................................................................5

Table Index .................................................................................................................................................... 8

Figure Index .................................................................................................................................................10

1 Introduction ..........................................................................................................................................12

1.1. Special Mark ............................................................................................................................. 12

2 Product Overview ................................................................................................................................13

2.1. Frequency Bands and Functions ............................................................................................. 14

2.2. Key Features ............................................................................................................................ 15

2.3. Functional Diagram .................................................................................................................. 17

2.4. Pin Assignment .........................................................................................................................22

2.5. Pin Description ......................................................................................................................... 25

2.6. EVB Kit ......................................................................................................................................31

3 Operating Characteristics .................................................................................................................. 32

3.1. Operating Modes ...................................................................................................................... 32

3.2. Airplane Mode ...........................................................................................................................33

3.3. Power Saving Mode (PSM) ......................................................................................................33

3.4. Extended Idle Mode DRX (e-I-DRX) ........................................................................................34

3.4.1. e-I-DRX Sleep Mode ....................................................................................................... 35

3.4.2. e-I-DRX Idle Mode ...........................................................................................................35

3.5. Sleep Mode ...............................................................................................................................35

3.5.1. UART Application Scenario .............................................................................................35

3.6. Recovery Mode ........................................................................................................................ 37

3.7. Power Supply ............................................................................................................................37

3.7.1. Power Supply Pins .......................................................................................................... 37

3.7.2. Voltage Stability Requirements .......................................................................................38

3.7.3. Power Supply Monitoring ................................................................................................ 39

3.8. Turn On .....................................................................................................................................40

3.8.1. Turn On with PWRKEY ................................................................................................... 40

3.9. Turn Off .....................................................................................................................................43

3.9.1. Turn Off with PWRKEY and PON_TRIG ........................................................................ 43

3.9.2. Turn Off with AT Command and PON_TRIG ..................................................................44

3.10. Reset .........................................................................................................................................45

3.11. PON_TRIG ............................................................................................................................... 47

4 Application Interfaces .........................................................................................................................49

4.1. (U)SIM Interface ....................................................................................................................... 49

4.2. USB Interface ........................................................................................................................... 51

4.3. UART Interfaces ....................................................................................................................... 53

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4.4. ADC Interfaces ......................................................................................................................... 56

4.5. Indication Signals ..................................................................................................................... 57

4.5.1. PSM Status Indication .....................................................................................................57

4.5.2. Network Status Indication ............................................................................................... 58

4.5.3. STATUS ........................................................................................................................... 59

4.5.4. MAIN_RI .......................................................................................................................... 60

4.6. GRFC Interfaces .......................................................................................................................60

4.7. GPIO Interface ..........................................................................................................................61

4.8. GNSS Control and Indication Interfaces ..................................................................................62

5 RF Specifications ................................................................................................................................ 63

5.1. Cellular Network ....................................................................................................................... 63

5.1.1. Antenna Interface & Frequency Bands ...........................................................................63

5.1.2. Tx Power ......................................................................................................................... 64

5.1.3. Rx Sensitivity ...................................................................................................................65

5.1.4. Reference Design ............................................................................................................68

5.2. GNSS ........................................................................................................................................70

5.2.1. Antenna Interface & Frequency Bands ...........................................................................70

5.2.2. GNSS Performance ........................................................................................................ 71

5.2.3. Reference Design ............................................................................................................73

5.3. Layout Guidelines .....................................................................................................................74

5.4. RF Routing Guidelines ............................................................................................................. 74

5.5. Antenna Design Requirements ................................................................................................ 77

5.6. RF Connector Recommendation ............................................................................................. 80

6 Reliability and Electrical Characteristics ......................................................................................... 89

6.1. Absolute Maximum Ratings ..................................................................................................... 89

6.2. Power Supply Ratings .............................................................................................................. 90

6.3. Power Consumption ................................................................................................................. 90

6.3.1. BG950A-GL Power Consumption ...................................................................................90

6.3.2. BG951A-GL Power Consumption ...................................................................................92

6.3.3. BG953A-GL Power Consumption ...................................................................................95

6.3.4. BG955A-GL Power Consumption ...................................................................................97

6.3.5. GNSS Power Consumption .......................................................................................... 101

6.4. Digital I/O Characteristic ........................................................................................................ 104

6.5. ESD Protection ....................................................................................................................... 105

6.6. Operating and Storage Temperatures ................................................................................... 105

7 Mechanical Information .................................................................................................................... 107

7.1. Top and Side View Dimensions ............................................................................................. 107

7.2. Recommended Footprint ........................................................................................................109

7.3. Top and Bottom Views ............................................................................................................110

8 Storage, Manufacturing & Packaging .............................................................................................111

8.1. Storage Conditions ................................................................................................................. 111

8.2. Manufacturing and Soldering ................................................................................................. 112

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8.3. Packaging Specifications ........................................................................................................113

8.3.1. Carrier Tape ................................................................................................................... 113

8.3.2. Plastic Reel ....................................................................................................................114

8.3.3. Packing Process ............................................................................................................115

9 Appendix References ....................................................................................................................... 116

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Table Index

Table 1: Special Mark ...................................................................................................................................12

Table 2: Brief Introduction of the Module .....................................................................................................13

Table 3: Wireless Network Types ................................................................................................................ 14

Table 4: Key Features ..................................................................................................................................15

Table 5: I/O Parameters Definition .............................................................................................................. 25

Table 6: Pin Definition – Pins with Same Functions on BG95xA-GL ..........................................................25

Table 7: Pin Definition – Pins with Different Functions on BG95xA-GL ..................................................... 30

Table 8: Operating Mode Overview ............................................................................................................. 32

Table 9: Power Supply Pin Definition of BG950A-GL/BG951A-GL/BG953A-GL ....................................... 37

Table 10: Power Supply Pin Definition of BG955A-GL ............................................................................... 38

Table 11: PWRKEY Pin Definition ............................................................................................................... 40

Table 12: RESET_N Pin Definition .............................................................................................................. 45

Table 13: Pin Definition of PON_TRIG ........................................................................................................ 47

Table 14: (U)SIM Interface Pin Definition .................................................................................................... 49

Table 15: USB Interface Pin Definition ........................................................................................................ 51

Table 16: Main UART Interface Pin Definition .............................................................................................53

Table 17: Debug UART Interface Pin Definition ..........................................................................................54

Table 18: BG950A-GL & BG953A-GL & BG955A-GL CLI UART Interface Pin Definition ......................... 54

Table 19: BG951A-GL CLI UART Interface Pin Definition .......................................................................... 54

Table 20: BG951A-GL GNSS UART Interface Pin Definition ..................................................................... 54

Table 21: Pin Definition of ADC Interfaces .................................................................................................. 56

Table 22: Characteristics of ADC Interfaces ............................................................................................... 57

Table 23: PSM_IND Pin Definition ...............................................................................................................57

Table 24: Pin Definition of NET_STATUS ....................................................................................................58

Table 25: Working State of Network Connection Status Indication ............................................................ 58

Table 26: STATUS Pin Definition ................................................................................................................. 59

Table 27: MAIN_RI Pin Definition ................................................................................................................ 60

Table 28: MAIN_RI Default Behaviors .........................................................................................................60

Table 29: GRFC Interface Pin Definitions ................................................................................................... 60

Table 30: GRFC Interface Truth Table .........................................................................................................61

Table 31: GPIO Interface Pin Definitions .....................................................................................................61

Table 32: Pin Definition of GNSS Control and Indication Interfaces .......................................................... 62

Table 33: Pin Definition of Cellular Network Interface .................................................................................63

Table 34: Operating Frequency ................................................................................................................... 63

Table 35: RF Output Power ......................................................................................................................... 64

Table 36: Conducted RF Receiving Sensitivity of BG950A-GL/BG951A-GL .............................................66

Table 37: Conducted RF Receiving Sensitivity of BG955A-GL .................................................................. 67

Table 38: Pin Definition of GNSS Antenna Interface ...................................................................................71

Table 39: BG950A-GL & BG953A-GL & BG955A-GL GNSS Frequency ................................................... 71

Table 40: BG951A-GL GNSS Frequency ....................................................................................................71

Table 41: BG950A-GL & BG953A-GL GNSS Performance ........................................................................71

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Table 42: BG951A-GL GNSS Performance ................................................................................................ 72

Table 43: BG955A-GL GNSS Performance ................................................................................................ 72

Table 44: Antenna Design Requirements ....................................................................................................77

Table 45: Absolute Maximum Ratings ......................................................................................................... 89

Table 46: BG950A-GL & BG951A-GL & BG953A-GL Power Supply Ratings ............................................90

Table 47: BG955A-GL Power Supply Ratings .............................................................................................90

Table 48: BG950A-GL Power Consumption (Power Supply: 3.3 V, Room Temperature) ..........................90

Table 49: BG951A-GL Power Consumption (Power Supply: 3.3 V, Room Temperature) ..........................93

Table 50: BG953A-GL Power Consumption (Power Supply: 3.3 V, Room Temperature) ..........................95

Table 51: BG955A-GL Power Consumption (Power Supply: 3.8 V, Room Temperature) ..........................97

Table 52: BG950A-GL GNSS Power Consumption .................................................................................. 102

Table 53: BG951A-GL GNSS Power Consumption .................................................................................. 103

Table 54: BG953A-GL GNSS Power Consumption .................................................................................. 103

Table 55: BG955A-GL GNSS Power Consumption .................................................................................. 104

Table 56: 1.8 V Digital I/O Requirements – (U)SIM .................................................................................. 104

Table 57: 1.8 V Digital I/O Requirements – Others ...................................................................................104

Table 58: Electrostatics Discharge Characteristics (Temperature: 25 °C, Humidity: 45 %) .....................105

Table 59: Operating and Storage Temperatures .......................................................................................105

Table 60: Recommended Thermal Profile Parameters ............................................................................. 113

Table 61: Carrier Tape Dimension Table (Unit: mm) ................................................................................. 114

Table 62: Plastic Reel Dimension Table (Unit: mm) .................................................................................. 114

Table 63: Related Documents ....................................................................................................................116

Table 64: Terms and Abbreviations ............................................................................................................116

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