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NB-IoT Module Series

BC95 Hardware Design

BC95_Hardware_Design Confidential / Released 41 / 51

6

Mechanical Dimensions

This chapter describes the mechanical dimensions of the module. All dimensions are measured in mm.

The tolerances for dimensions without tolerance values are ±0.05mm.

6.1. Mechanical Dimensions of the Module

Figure 24: Module Top and Side Dimensions

Quectel

Confidential

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Содержание BC95

Страница 1: ...BC95 Hardware Design NB IoT Module Series Rev BC95_Hardware_Design_V1 3 Date 2017 06 15 www quectel com...

Страница 2: ...ATION PROVIDED IS BASED UPON CUSTOMERS REQUIREMENTS QUECTEL MAKES EVERY EFFORT TO ENSURE THE QUALITY OF THE INFORMATION IT MAKES AVAILABLE QUECTEL DOES NOT MAKE ANY WARRANTY AS TO THE INFORMATION CONT...

Страница 3: ...eted information of SWD interface 2 Modified typical supply voltage of the module 3 Added the power saving information 4 Modified the UART level match circuit 5 Updated bottom dimensions of the module...

Страница 4: ...18 3 5 Power Supply 18 3 5 1 Power Supply Pins 18 3 5 2 Reference Design for Power Supply 19 3 6 Power on and down Scenarios 19 3 6 1 Power on 19 3 6 2 Power down 20 3 6 3 Reset the Module 20 3 7 Powe...

Страница 5: ...mum Ratings 38 5 2 Operating Temperature 38 5 3 Current Consumption 39 5 4 Electrostatic Discharge 40 6 Mechanical Dimensions 41 6 1 Mechanical Dimensions of the Module 41 6 2 Recommended Footprint 43...

Страница 6: ...NITION OF THE USIM CARD INTERFACE 26 TABLE 11 PIN DEFINITION OF THE ADC 28 TABLE 12 BEHAVIORS OF RI 28 TABLE 13 WORKING STATE OF THE NETLIGHT 29 TABLE 14 PIN DEFINITION OF THE RF ANTENNA INTERFACE 31...

Страница 7: ...RS OF RI WHEN A URC OR SMS IS RECEIVED 29 FIGURE 15 REFERENCE DESIGN FOR NETLIGHT 30 FIGURE 16 REFERENCE DESIGN FOR RF 31 FIGURE 17 MICROSTRIP LINE DESIGN ON A 2 LAYER PCB 32 FIGURE 18 COPLANAR WAVEGU...

Страница 8: ...its air interface and hardware interface which are connected with customers applications This document can help customers to quickly understand module interface specifications electrical and mechanica...

Страница 9: ...oarding the aircraft if your device offers an Airplane Mode which must be enabled prior to boarding an aircraft Switch off your wireless device when in hospitals clinics or other health care facilitie...

Страница 10: ...le with LCC package with an ultra compact profile of 19 9mm 23 6mm 2 2mm which can be easily embedded into applications It provides hardware interfaces such as ADC and UART interfaces and can meet alm...

Страница 11: ...transmission and the baud rate is 9600bps Main port can also be used for firmware upgrading and the baud rate is 115200bps Debug port Debug port is used for debugging Only support 921600bps baud rate...

Страница 12: ...their value and exceed the specified tolerances When the temperature returns to the normal operating temperature levels the module will meet 3GPP specifications again 3 means under development 2 3 Fu...

Страница 13: ...nfidential Released 12 51 2 4 Evaluation Board In order to help customers to develop applications with BC95 Quectel supplies the evaluation board EVB RS 232 to USB cable power adapter antenna and othe...

Страница 14: ...unctions 3 1 General Description BC95 is equipped with 54 pin 1 1mm pitch SMT pads plus 40 pin ground reserved pads The following chapters provide detailed descriptions of these pins Power supply UART...

Страница 15: ...NETLIGHT DBG_RXD DBG_TXD ADC RESERVED RESERVED RESERVED RESERVED VDD_EXT RESERVED USIM_CLK USIM_DATA USIM_RST USIM_VDD RI RESERVED RESERVED TXD RXD RESERVED USIM_GND GND RESERVED RESERVED RESERVED GN...

Страница 16: ...AO Analog output OD Open drain Table 4 Pin Description Power Supply Pin Name Pin No I O Description DC Characteristics Comment VBAT 45 46 PI Main power supply of the module VBAT 3 1V 4 2V Vmax 4 2V V...

Страница 17: ...rface Pin Name Pin No I O Description DC Characteristics Comment ADC 21 AI General purpose analog to digital converter interface Input voltage range 0V to VBAT If unused keep this pin open UART Port P...

Страница 18: ...odule pad to USIM card connector is 200mm USIM_ RST 39 DO USIM card reset VOLmax 0 4V VOHmin 2 4V USIM_ DATA 40 IO USIM card data VOLmax 0 4V VOHmin 2 4V VILmin 0 3V VILmax 0 6V VIHmin 2 1V VIHmax 3 3...

Страница 19: ...45 46 Power supply for the module 3 1 3 6 4 2 V Mode Function Normal Operation Active In active mode all functions of the module are available and all processors are active Radio transmission and rec...

Страница 20: ...rom 3 1V to 4 2V Please make sure that the input voltage will never drop below 3 1V even in burst transmission If the power voltage drops below 3 1V the module will be abnormal For better power perfor...

Страница 21: ...y shutting down the VBAT power supply VBAT RESET Delay 5ms Figure 5 Turn off Timing 3 6 3 Reset the Module The module can be reset by two ways The reset timing is illustrated as the following table Ha...

Страница 22: ...or button can be used to control the RESET pin Reset pulse RESET 4 7K 47K Figure 6 Reference Circuit of RESET by Using Driving Circuit RESET S1 Close to S1 TVS Figure 7 Reference Circuit of RESET by...

Страница 23: ...ote that the module cannot request PSM when it is establishing an emergency attachment or initializing the PDN Public Data Network connection When the module is in PSM it cannot be paged and stops acc...

Страница 24: ...rate is 9600bps It can also be used for firmware upgrading through Universal Code Loader or Code Loader tool and the baud rate for firmware upgrading is 115200bps This main port is available in activ...

Страница 25: ...l port Main port GND GND PC DTE Figure 9 Reference Design for Main Port 3 8 2 Debug Port Debug port is used to view log information with UE Log Viewer tool for debugging and the baud rate is 921600bps...

Страница 26: ...commended to add a resistor with resistance greater than 1K on the UART port signal traces when the host s voltage level is 3V or 3 3V 2 For systems with a higher voltage level a level shifter IC coul...

Страница 27: ...level shifter IC such as http www exar com and http www maximintegrated com 3 9 USIM Card Interface The module contains one USIM interface to allow the module to access the USIM card 3 9 1 USIM Card...

Страница 28: ...AT traces Assure the ground between module and USIM card connector short and wide Keep the trace width of ground no less than 0 5mm to maintain the same electric potential The decouple capacitor of US...

Страница 29: ...voltage value This ADC interface is available in active mode and idle mode Table 11 Pin Definition of the ADC means under development 3 11 Behaviors of RI When an SMS message is received or certain UR...

Страница 30: ...Received means under development 3 12 Network Status Indication The NETLIGHT signal can be used to drive a network status indication LED The working state of this pin is listed in the following table...

Страница 31: ...ardware Design BC95_Hardware_Design Confidential Released 30 51 A reference circuit is shown as below Module NETLIGHT 4 7K 47K 2 2K VBAT Figure 15 Reference Design for NETLIGHT means under development...

Страница 32: ...enna interface has an impedance of 50 Table 14 Pin Definition of the RF Antenna Interface 4 1 RF Antenna Reference Design A reference design for RF antenna is shown as below RF_ANT 0R NM NM Module Fig...

Страница 33: ...CB the characteristic impedance of all RF traces should be controlled as 50 ohm The impedance of the RF traces is usually determined by the trace width W the materials dielectric constant the distance...

Страница 34: ...RF pins should not be designed as thermal relief pads and should be fully connected to ground The distance between the RF pins and the RF connector should be as short as possible and all the right ang...

Страница 35: ...compliant with the NB IoT radio protocol 3GPP Rel 13 4 4 RF Receiving Sensitivity Table 16 RF Receiving Sensitivity Throughput 95 Frequency Band Max Min Band 8 23dBm 2dB 40dBm Band 5 23dBm 2dB 40dBm B...

Страница 36: ...tenna Table 18 Antenna Cable Requirement Frequency Range Requirement 758 960MHz Insertion Loss 1dB Table 19 Antenna Requirements Type Requirements Frequency Range 758 960MHz VSWR 2 Gain dBi 1 Max Inpu...

Страница 37: ...ollowing figure is the antenna installation with RF connector provided by HIROSE The recommended RF connector is UF L R SMT Figure 21 Dimensions of the UF L R SMT Connector Unit mm U FL LP series conn...

Страница 38: ...gn BC95_Hardware_Design Confidential Released 37 51 The following figure describes the space factor of mated connector Figure 23 Space Factor of Mated Connector Unit mm For more details please visit h...

Страница 39: ...lowing table Table 20 Absolute Maximum Ratings 5 2 Operating Temperature The operating temperature is listed in the following table Table 21 Operating Temperature Parameter Min Max Unit VBAT 0 3 4 25...

Страница 40: ...m to radio network Only one or more parameters like Pout might reduce in their value and exceed the specified tolerances When the temperature returns to the normal operating temperature levels the mod...

Страница 41: ...ly apply to ESD sensitive components Proper ESD handling and packaging procedures must be applied throughout the processing handling and operation of any application that incorporates the module The f...

Страница 42: ...6 Mechanical Dimensions This chapter describes the mechanical dimensions of the module All dimensions are measured in mm The tolerances for dimensions without tolerance values are 0 05mm 6 1 Mechanic...

Страница 43: ...NB IoT Module Series BC95 Hardware Design BC95_Hardware_Design Confidential Released 42 51 Figure 25 Module Bottom Dimensions Bottom View Quectel Confidential...

Страница 44: ...l Released 43 51 6 2 Recommended Footprint Figure 26 Recommended Footprint Top View 1 For easy maintenance of the module please keep about 3mm between the module and other components in the host PCB 2...

Страница 45: ...eleased 44 51 6 3 Design Effect Drawings of the Module Figure 27 Top View of the Module Figure 28 Bottom View of the Module These are design effect drawings of BC95 module For more accurate pictures p...

Страница 46: ...ry environment of 30 C 60 RH Stored at 10 RH 3 Devices require baking before mounting if any circumstance below occurs When the ambient temperature is 23 C 5 C and the humidity indication card shows t...

Страница 47: ...is recommended to be 0 15mm For more details please refer to document 1 It is suggested that the peak reflow temperature is 235 245 C for SnAg3 0Cu0 5 alloy The absolute max reflow temperature is 260...

Страница 48: ...The modules are stored inside a vacuum sealed bag which is ESD protected It should not be opened until the devices are ready to be soldered onto the application 7 3 1 Tape and Reel Packaging The reel...

Страница 49: ...NB IoT Module Series BC95 Hardware Design BC95_Hardware_Design Confidential Released 48 51 PS 6 DETAIL A DETAIL A Figure 31 Reel Dimensions Quectel Confidential...

Страница 50: ...mware_Upgrade_via_Universal_ Code_Loader_User_Guide BC95 Firmware Upgrade via Universal Code Loader User Guide 4 Quectel_RF_Layout_Application_Note RF Layout Application Note 5 Quectel_BC95_AT_Command...

Страница 51: ...Restriction of Hazardous Substances RTC Real Time Clock RX Receive Direction USIM Universal Subscriber Identification Module SMS Short Message Service TAU Tracking Area Update TE Terminal Equipment TX...

Страница 52: ...ILmin Minimum Input Low Level Voltage Value VImax Absolute Maximum Input Voltage Value VImin Absolute Minimum Input Voltage Value VOHmax Maximum Output High Level Voltage Value VOHmin Minimum Output H...

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