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Quectel Smart Wi-Fi Module Series, User Manual

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SC20-W_Manual_R1.0 Confidential / Released 11 / 41

2.4.

Evaluation Board

In order to help you to develop applications with SC20-W, Quectel supplies the evaluation board (Smart-

EVB), RS-232 to USB cable, USB data cable, power adapter, earphone, antenna and other peripherals to

control or test the module. For more details, please refer to

document [1]

.

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Summary of Contents for Smart Wi-Fi Module Series

Page 1: ...SC20 W Manual Smart Wi Fi Module Series Rev SC20 W_Manual_R1 0 Date 2017 08 04 www quectel com...

Page 2: ...ION 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 CONTAI...

Page 3: ...SC20 W_Manual_R1 0 Confidential Released 2 41 About the Document History Revision Date Author Description 1 0 2017 08 04 NINA DOU SC20 W_Manual_R1 0...

Page 4: ...5 VRTC Interface 16 3 6 Power Output 17 3 7 Battery Charge and Management 17 3 8 USB Interface 18 4 Wi Fi and BT 19 4 1 Wi Fi Overview 19 4 2 BT Overview 19 5 Antenna Interface 21 5 1 Wi Fi BT Antenn...

Page 5: ...Module 34 8 Storage Manufacturing and Packaging 35 8 1 Storage 35 8 2 Manufacturing and Welding 36 8 3 Packaging 37 9 IC FCC Requirement 39 9 1 FCC Regulations 39 9 2 RF Exposure Information 39 9 3 I...

Page 6: ...idelines into all manuals supplied with the product If not so Quectel assumes no liability for the customer s failure to comply with these precautions Full attention must be given to driving at all ti...

Page 7: ...en it is ON it receives and transmits radio frequency energy RF interference can occur if it is used close to TV set radio computer or other electric equipment In locations with potentially explosive...

Page 8: ...dant GPIO interfaces The following table shows the supported Wi Fi BT standards and frequency range of SC20 W Table 1 SC20 W Frequency Bands Type Frequency Range IEEE 802 11b g n 2412 2462MHz IEEE 802...

Page 9: ...P TS 27 005 AT commands as well as Quectel enhanced AT commands LCM Interface 4 lane MIPI_DSI up to 1 5Gbps for each lane Support WVGA 2 lane MIPI_DSI up to 720p 4 lane MIPI_DSI 24 bit color depth Cam...

Page 10: ...ime Clock Supported Physical Characteristics Size 40 5 0 15 mm 40 5 0 15 mm 2 8 0 2 mm Interface LCC Weight approx 9 8g Temperature Range Operating temperature range 35 C 65 C 1 Extended temperature r...

Page 11: ...of SC20 W and illustrates the major functional parts Power management Radio frequency Baseband LPDDR3 EMMC flash Peripheral interface USB interface UART interface SDIO interface I2C interface ADC inte...

Page 12: ...In order to help you to develop applications with SC20 W Quectel supplies the evaluation board Smart EVB RS 232 to USB cable USB data cable power adapter earphone antenna and other peripherals to con...

Page 13: ...plus 64 pin ground pads and reserved pads that can be embedded into wireless application platforms The following chapters provide the detailed description of pins interfaces listed below Power supply...

Page 14: ...129 132 131 133 135 134 137 136 139 138 140 142 141 144 143 146 145 148 147 152 151 154 167 169 168 170 165 164 166 163 180 181 188 189 158 156 157 155 160 161 159 162 184 186 185 175 177 176 178 173...

Page 15: ...g PWRKEY pin to a low level for at least 1 6s PWRKEY pin is pulled to 1 8V internally It is recommended to use an open drain collector driver to control the PWRKEY A simple reference circuit is illust...

Page 16: ...PWRKEY pin The recommended time between them is no less than 30ms PWRKEY pin cannot be pulled down all the time 3 4 2 Turn off Module Set the PWRKEY pin low for at least 1s and then choose to turn of...

Page 17: ...neffective it can be synchronized when the module starts data connection after power on Rechargeable Backup Battery Module RTC Core VRTC Figure 7 RTC Powered by Rechargeable Battery Large Capacitance...

Page 18: ...is applied to the battery When the battery voltage is charged up and is between 2 8V and 3 2V the charging current can be set to 450mA maximally Constant current mode CC mode When the battery is incre...

Page 19: ...eed for VBAT and GND connection In this case the system may mistakenly judge that the battery temperature is abnormal which will cause battery charging failure In order to avoid this VBAT_THERM should...

Page 20: ...standard protocols The maximum data rate is up to 150 Mbps The features are as below Support Wake on WLAN WoWLAN Support ad hoc mode Support WAPI SMS4 hardware encryption Support AP mode Support Wi F...

Page 21: ...2 1 Mbit s 80 Kbit s 2 0 EDR 3 Mbit s 80 Kbit s 3 0 HS 24 Mbit s Reference 3 0 HS 4 0 24 Mbit s Reference 4 0 LE Referenced specifications are listed below Bluetooth Radio Frequency TSS and TP Specifi...

Page 22: ...tion Table 5 Pin Definition of Wi Fi BT Antenna Pin Name Pin No I O Description Comment ANT_WIFI BT 77 IO Wi Fi BT antenna 50 impedance Table 6 Wi Fi BT Frequency Type Frequency Unit Wi Fi 2 4G 2412 2...

Page 23: ...RF traces is usually determined by the trace width W the materials dielectric constant the distance between signal layer and reference ground H and the clearance between RF trace and ground S Microst...

Page 24: ...pins should not be hot welded 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 angle traces should be chan...

Page 25: ...W 50 Input Impedance 50 Polarization Type Vertical Cable Insertion Loss 1dB The WiFi2 4GHz WiFi5GHz Bluetooth dipole antenna information as below Manufacturer Model Peak gain INPAQ TECHNOLOGY CO LTD...

Page 26: ...T Connector Unit mm U FL LP serial connector listed in the following figure can be used to match the UF L R SMT Figure 16 Mechanical Parameters of UF L LP Connectors The following figure describes the...

Page 27: ...SC20 W_Manual_R1 0 Confidential Released 26 41 For more details please visit http www hirose com...

Page 28: ...table Table 8 Absolute Maximum Ratings Parameter Min Max Unit VBAT 0 5 6 V USB_VBUS 0 5 16 V Voltage on Digital Pins 0 3 2 3 V 6 2 Power Supply Ratings Table 9 SC20 W Module Power Supply Ratings Param...

Page 29: ...up 90 1440 mA Charge current accuracy 10 Charge termination current when charge current is from 90 to 450mA 7 Charge termination current when charge current is from 450 to 1440mA 7 4 6 4 Operating Tem...

Page 30: ...2 SC20 W Current Consumption Parameter Description Conditions Min Typ Max Unit IVBAT OFF state Power down 68 uA Sleep state RF sleep 1 445 mA Idle state RF idle 42 759 mA Wi Fi 11b TX 1Mbps 298 mA 11M...

Page 31: ...mponents Proper ESD handling and packaging procedures must be applied throughout the processing handling and operation of any application that incorporates the module The following table shows the ele...

Page 32: ...dential Released 31 41 7 Mechanical Dimensions This chapter describes the mechanical dimensions of the module All dimensions are measured in mm 7 1 Mechanical Dimensions of the Module Figure 18 Module...

Page 33: ...SC20 W_Manual_R1 0 Confidential Released 32 41 Figure 19 Module Bottom Dimensions Top View...

Page 34: ...ed 33 41 7 2 Recommended Footprint Figure 20 Recommended Footprint Top View 1 For easy maintenance of the module keep about 3mm between the module and other components in the host PCB 2 All RESERVED p...

Page 35: ...41 7 3 Top and Bottom View of the Module Figure 21 Top View of the Module Figure 22 Bottom View of the Module These are design effect drawings of SC20 W module For more accurate pictures please refer...

Page 36: ...ours at factory conditions of 30 C 60 RH Stored at 10 RH 3 Devices require baking before mounting if any circumstance below occurs Humidity indication card shows the humidity is 10 when ambient temper...

Page 37: ...he module is recommended to be 0 18mm and the following figure is the recommended stencil design for LGA pads For more details please refer to document 2 Figure 23 Recommended Stencil Design for LGA P...

Page 38: ...0s 120s 40s 60s Between 1 3 C s Preheat Heating Cooling C s Liquids Temperature Temperature Figure 24 Reflow Soldering Thermal Profile 8 3 Packaging SC20 W is packaged in tape and reel carriers One re...

Page 39: ...Figure 25 Tape Dimensions Figure 26 Reel Dimensions Table 14 Reel Packaging Model Name MOQ for MP Minimum Package 200pcs Minimum Package 4 800pcs SC20 W 200 Size 370mm 350mm 85mm N W 1 92kg G W 3 17kg...

Page 40: ...urning the equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures Reorient or relocate the receiving antenna Increase the separation be...

Page 41: ...inf rieure 20 cm 8 pouces pendant le fonctionnement normal 9 5 IMPORTANT NOTE This module is intended for OEM integrator The OEM integrator is still responsible for the FCC compliance requirement of...

Page 42: ...complies with Part 15 of FCC rules Operation is subject to the following two conditions 1 this device may not cause harmful interference and 2 this device must accept any interference received includi...

Page 43: ...ce depends on the dielectric of PCB the trace width and the grand plane spacing Coated Coplanar Line is required The detail simulation as below 2 the RF trace of the test board which was used in the F...

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