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SC20-W_Manual_R1.0 Confidential / 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 Top and Side Dimensions

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Summary of Contents for SC20-W

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: ...TION 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 CONTAINED HEREIN AND DOES NOT ACCEPT ANY LIABILITY FOR ANY INJURY LOSS OR DAMAGE OF ANY KIND INCURRED BY USE OF OR RELIANCE UPON THE INFORMATION ALL INFORMATION SUPPLIED HEREIN IS SUBJECT TO CHANGE WITHOUT...

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: ...3 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 Antenna Interface 21 5 1 1 Reference Design of RF Layout 22 5 2 Antenna Installation 24 5 2 1 Antenna Requirements 24 5 2 2 Recommended RF Connector for Antenna Installation 24 6 Electrical Reliability and...

Page 5: ...e 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 ISED Notice 39 9 4 ISED Radiation Exposure Statement 40 9 5 IMPORTANT NOTE 40 9 6 USERS MANUAL OF THE END PRODUCT 40 9 7 LABEL OF THE END PRODUCT 41 ...

Page 6: ...uidelines 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 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 You must comply with laws and regulations restrict...

Page 7: ...hen 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 atmospheres obey all posted signs to turn off wireless devices such as your phone or other cellular terminals Areas with potentially exposive atmospheres include fuelling areas below decks on boats f...

Page 8: ...ndant 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 11a n 5180 5825MHz BT4 1 LE 2402 2480MHz SC20 W is an SMD type module which can be embedded into applications through its 210 pin pads including 146 LCC signal pads and 64 other pads With a compact ...

Page 9: ...PP 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 Camera Interface Use MIPI_CSI up to 1 5Gbps per lane Support two cameras 2 lane MIPI_CSI for rear camera max pixel up to 8MP 1 lane MIPI_CSI for front camera max pixel up to 2MP Audio Interface Audio in...

Page 10: ...Time 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 range 40 C 75 C 2 Firmware Upgrade Over USB interface RoHS All hardware components are fully compliant with EU RoHS directive 1 1 Within operation temperature range the module is IEEE compliant 2 2 Wi...

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 interface LCM MIPI interface Touch Panel interface Camera MIPI interface Audio interface Figure 1 Functional Diagram ...

Page 12: ...d 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 ...

Page 13: ...s 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 VRTC interface LCM interface TP interface Camera interface Audio interface USB interface UART interface SDIO interface I2C interface ADC interface ...

Page 14: ...0 129 132 131 133 135 134 137 136 139 138 140 142 141 144 143 146 145 148 147 152 151 154 167 169 168 170 165 164 166 163 180 181 188 189 158 156 157 155 160 161 159 162 184 186 185 175 177 176 178 173 172 174 171 193 192 208 209 201 202 200 206 203 GND EARP EARN GND USB_VBUS USB_VBUS GND GND HS_DET HPH_L HPH_GND HPH_R GND VBAT_THERM VBAT_SNS GND GND ADC CHARGE_SEL LDO17_2V85 VRTC LDO6_1V8 GPIO_17...

Page 15: ...ng 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 illustrated in the following figure Turn on pulse PWRKEY 4 7K 47K 1 6s R1 R2 Q1 Figure 3 Turn on the Module Using Driving Circuit The other way to control the PWRKEY is using a button directly A TVS compon...

Page 16: ...n 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 off the module when the prompt window comes up The other way to turn off the module is to drive PWRKEY to a low level for at least 8s The module will execute forced shutdown The forced power down scena...

Page 17: ...ineffective 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 Capacitor Module RTC Core VRTC C Figure 8 RTC Powered by Capacitor 2 0 3 25V input voltage range and 3 0V typical value for VRTC When VBAT is disconnected the average consumption is 5uA When powered ...

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 increased to between 3 2V and 4 2V the system will switch to CC mode The maximum charging current is 1 44A when adapter is used for battery charging and the maximum charging current is 450mA while USB cha...

Page 19: ...need 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 be connected to GND with a 47KΩ resistor If VBAT_THERM is unconnected the system will be unable to detect the battery making battery cannot be charged VBAT_SNS pin must be connected Otherwise the mo...

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 Fi Direct Support MCS 0 7 for HT20 and HT40 4 2 BT Overview SC20 W module supports BT4 1 BR EDR BLE specification as well as GFSK 8 DPSK π 4 DQPSK modulation modes Maximally support up to 7 wireless co...

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 Specification 1 2 2 0 2 0 EDR 2 1 2 1 EDR 3 0 3 0 HS August 6 2009 Bluetooth Low Energy RF PHY Test Specification RF PHY TS 4 0 0 December 15 2009 ...

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 50Ω impedance Table 6 Wi Fi BT Frequency Type Frequency Unit Wi Fi 2 4G 2412 2462 MHz Wi Fi 5G 5180 5825 MHz BT4 1 LE 2402 2480 MHz A reference circuit design for Wi Fi BT antenna is shown as below A π type matching circuit should be reserved for better RF performance The capa...

Page 23: ...he 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 Microstrip line or coplanar waveguide line is typically used in RF layout for characteristic impedance control The following are reference designs of microstrip line or coplanar waveguide line with differe...

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 changed to curved ones There should be clearance area under the signal pin of the antenna connector or solder joint The reference ground of RF traces should be complete Meanwhile adding some ground vias ...

Page 25: ... W 50 Input Impedance Ω 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 DAM L0 H N0 000 08 13 WiFi2 4GHz Bluetooth 3 0 dBi WiFi5GHz 4 0 dBi 5 2 2 Recommended RF Connector for Antenna Installation If RF connector is used for antenna connection it is recommended to use th...

Page 26: ...MT 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 space factor of mated connectors Figure 17 Space Factor of Mated Connectors Unit mm ...

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 Parameter Description Conditions Min Typ Max Unit VBAT VBAT Voltage must stay within the min max values including voltage drop ripple and spikes 3 5 3 8 4 2 V USB_VBUS USB detection 4 35 5 0 6 3 V VRTC Po...

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 Temperature The operating temperature is listed in the following table Table 11 Operating Temperature Parameter Min Typ Max Unit Operating temperature range 1 35 25 65 C Extended temperature range 2 40 ...

Page 30: ...12 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 11Mbps 281 mA Wi Fi 11g TX 6Mbps 286 mA 54Mbps 188 mA Wi Fi 11n TX 6 5Mbps 20Mhz 275 mA 65Mbps 20Mhz 201 mA 13 5Mbps 40Mhz 269 mA 135Mbps 40Mhz 186 mA Wi Fi 11b RX 120 mA Wi Fi 11g RX 119 mA Wi Fi 11n R...

Page 31: ...omponents 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 electrostatic discharge characteristics of SC20 W module Table 13 ESD Characteristics Temperature 25 C Humidity 45 Tested Points Contact Discharge Air Discharge Unit VBAT GND 5 10 KV All Antenna Interfa...

Page 32: ...idential 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 Top and Side Dimensions ...

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

Page 34: ...sed 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 pins must NOT be connected to GND NOTE ...

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 to the module that you get from Quectel NOTE ...

Page 36: ...hours 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 temperature is 23 C 5 C Mounting cannot be finished within 72 hours at factory conditions of 30 C 60 RH 4 If baking is required devices may be baked for 48 hours at 125 C 5 C As the plastic package cannot ...

Page 37: ...the 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 Pads It is suggested that the peak reflow temperature is from 235 to 245 C for SnAg3 0Cu0 5 alloy The absolute maximum reflow temperature is 260 C To avoid damage to the module caused by repeated heat...

Page 38: ...70s 120s 40s 60s Between 1 3 º C s Preheat Heating Cooling º C s Liquids Temperature Temperature Figure 24 Reflow Soldering Thermal Profile 8 3 Packaging SC20 W is packaged in tape and reel carriers One reel is 12 32 meters long and contains 200pcs modules The following figures show the package details measured in mm ...

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 Size 380mm 365mm 365mm N W 7 68kg G W 13 63kg ...

Page 40: ...turning 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 between the equipment and receiver Connect the equipment into an outlet on a circuit different from that to which the receiver is connected Consult the dealer or an experienced radio TV technician for ...

Page 41: ...s être inférieure à20 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 the end product which integrates this module 20cm minimum distance has to be able to be maintained between the antenna and the users for the host this module is integrated into Under such confi...

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 including interference that may cause undesired operation The Innovation Science and Economic Development Canada certification label of a module shall be clearly visible at all times when installed in the h...

Page 43: ...nce 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 FCC test is defined as below ...

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