Related Manuals for Quectel Smart Wi-Fi Module Series
Summary of Contents for Quectel 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 QUECTEL OFFERS THE INFORMATION AS A SERVICE TO ITS CUSTOMERS. THE INFORMATION 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.
-
Page 3: About The Document
About the Document History Revision Date Author Description 2017-08-04 NINA DOU SC20-W_Manual_R1.0 SC20-W_Manual_R1.0 Confidential / Released... -
Page 4: Table Of Contents
Contents About the Document ........................... 2 Contents ............................... 3 Introduction ............................5 1.1. Safety Information........................5 Product Concept ..........................7 2.1. General Description ........................7 2.2. Key Features ..........................8 2.3. Functional Diagram ......................... 10 2.4. Evaluation Board ........................11 Application Interfaces ........................ - Page 5 7.1. Mechanical Dimensions of the Module..................31 7.2. Recommended Footprint ......................33 7.3. Top and Bottom View of the Module ..................34 Storage, Manufacturing and Packaging ..................35 8.1. Storage............................. 35 8.2. Manufacturing and Welding ..................... 36 8.3. Packaging ..........................37 IC &...
-
Page 6: Introduction
SC20-W module. Manufacturers of the cellular terminal should send the following safety information to users and operating personnel, and incorporate these guidelines into all manuals supplied with the product. If not so, Quectel assumes no liability for the customer‟s failure to comply with these precautions. - Page 7 Cellular terminals or mobiles operating over radio frequency signal and cellular network cannot be guaranteed to connect in all conditions, for example no mobile fee or with an invalid USIM/SIM card. While you are in this condition and need emergent help, please remember using emergency call. In order to make or receive a call, the cellular terminal or mobile must be switched on and in a service area with adequate cellular signal strength.
-
Page 8: Product Concept
Product Concept 2.1. General Description SC20-W is a Smart Wi-Fi module based on Qualcomm platform and Android operating system, and provides industrial grade performance. It supports Wi-Fi 802.11a/b/g/n and BT4.1 LE standards for short-range wireless communication. The module also offers multiple audio and video input/output interfaces as well as abundant GPIO interfaces. -
Page 9: Key Features
Support 802.11a/b/g/n standards, with max. data rate up to 150Mbps Support AP mode Bluetooth Feature BT4.1 LE 3GPP TS 27.007 and 3GPP TS 27.005 AT commands as well as Quectel AT Commands enhanced AT commands 4-lane MIPI_DSI, up to 1.5Gbps for each lane... - Page 10 USB Driver: Support Windows XP, Windows Vista, Windows 7, Windows 8, Windows CE5.0/6.0*, Linux 2.6/3.0, Android 2.3/4.0/4.2 2 UART interfaces: 4-wire UART interface with RTS and CTS hardware flow control UART Interface 2-wire UART interface for software debugging Baud rate up to 4Mbps Support SD3.0, 4-bit SDIO SDIO Interface Support hot plug...
-
Page 11: Functional Diagram
2.3. Functional Diagram The following figure shows a block diagram 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... -
Page 12: Evaluation Board
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]. -
Page 13: Application Interfaces
Application Interfaces 3.1. General Description SC20-W is equipped with 146-pin 1.0mm pitch SMT pads 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. ... -
Page 14: Pin Assignment
3.2. Pin Assignment The following figure shows the pin assignment of SC20-W module. VBAT_BB GPIO_96 VBAT_BB GPIO_65 GPIO_36 GPIO_94 MIC1P GPIO_98 MIC_GND GPIO_0 MIC2P GPIO_110 GPIO_97 EARP GPIO_68 EARN SPKP GPIO_69 SPKN GPIO_89 GPIO_88 USB_DM GPIO_92 USB_DP GPIO_31 KEY_VOL_DOWN KEY_VOL_UP USB_ID UART2_TXD UART2_RXD... -
Page 15: Power Supply
3.3. Power Supply SC20-W provides two VBAT pins dedicated to connection with the external power supply. The two VBAT_BB pins are used for module baseband part. The power supply range of the module is 3.5V~4.2V, and the recommended value is 3.8V. 3.4. -
Page 16: Turn Off Module
The turn on scenario is illustrated in the following figure. VBAT >1.6s PWRKEY 173ms LDO5_1V8 173.5ms LDO6_1V8 438ms LDO17_2V85 Others Active Figure 5: Timing of Turning on Module NOTE: Make sure that VBAT is stable before pulling down PWRKEY pin. The recommended time between them is no less than 30ms. -
Page 17: Vrtc Interface
Figure 6: Timing of Turning off Module 3.5. VRTC Interface The RTC (Real Time Clock) can be powered by an external power source through VRTC when the module is powered down and there is no power supply for the VBAT. The external power source can be capacitor, rechargeable battery or non-rechargeable battery according to application demands. -
Page 18: Power Output
ESR. The capacitor is able to power the real-time clock for 45 seconds. 3.6. Power Output SC20-W supports output of regulated voltages for peripheral circuits. Table 3: Power Description Pin Name Voltage Range (V) Default Voltage (V) Driving Current (mA) IDLE LDO5_1V8 1.75~3.337... -
Page 19: Usb Interface
A reference design for battery charging circuit is shown as below. Adapter or USB USB_VBUS VBAT VBAT_SNS VBAT VBAT_THERM 100uF Module Battery Figure 9: Reference Design for Battery Charging Circuit Mobile devices such as mobile phones and handheld POS systems are powered by batteries. When different batteries are utilized, the charging and discharging curve has to be modified correspondingly so as to achieve the best effect. -
Page 20: Wi-Fi And Bt
Wi-Fi and BT SC20-W module provides a shared antenna interface ANT_WIFI/BT for Wi-Fi and Bluetooth (BT) functions. The interface impedance is 50Ω. External antennas such as dipole antenna can be connected to the module via the interface, so as to achieve Wi-Fi and BT functions. 4.1. - Page 21 Table 4: BT Data Rate and Version Version Data rate Maximum Application Throughput Comment 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 24 Mbit/s Reference 4.0 LE Referenced specifications are listed below: ...
-
Page 22: Antenna Interface
Antenna Interface SC20-W antenna interface includes a Wi-Fi/BT antenna. The antenna interface has an impedance of 50Ω. 5.1. Wi-Fi/BT Antenna Interface The following tables show the Wi-Fi/BT antenna pin‟s definition and frequency specification. Table 5: Pin Definition of Wi-Fi/BT Antenna Pin Name Pin No. -
Page 23: Reference Design Of Rf Layout
Figure 10: Reference Circuit Design for Wi-Fi/BT Anternna NOTE: Place the π-type matching components (R1, C1, C2) as close to the antenna as possible. 5.1.1. Reference Design of RF Layout For user‟s PCB, the characteristic impedance of all RF traces should be controlled as 50Ω. The impedance of the RF traces is usually determined by the trace width (W), the materials‟... - Page 24 Figure 13: Coplanar Waveguide Line Design on a 4-layer PCB (Layer 3 as Reference Ground) Figure 14: Coplanar Waveguide Line Design on a 4-layer PCB (Layer 4 as Reference Ground) In order to ensure RF performance and reliability, the following principles should be complied with in RF layout design: ...
-
Page 25: Antenna Installation
5.2. Antenna Installation 5.2.1. Antenna Requirements The following table shows the requirements on Wi-Fi/BT antenna. Table 7: Antenna Requirements Type Requirements VSWR: ≤ 2 Max Input Power (W): 50 Wi-Fi/BT Input Impedance (Ω): 50 Polarization Type: Vertical Cable Insertion Loss: < 1dB The WiFi2.4GHz/WiFi5GHz/Bluetooth dipole antenna information as below: Manufacturer Model... - Page 26 Figure 15: Dimensions of the UF.L-R-SMT 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) SC20-W_Manual_R1.0 Confidential / Released...
- Page 27 For more details, please visit http://www.hirose.com. SC20-W_Manual_R1.0 Confidential / Released 26 /...
-
Page 28: Electrical, Reliability And Radio Characteristics
Electrical, Reliability and Radio Characteristics 6.1. Absolute Maximum Ratings Absolute maximum ratings for power supply and voltage on digital and analog pins of the module are listed in the following table. Table 8: Absolute Maximum Ratings Parameter Min. Max. Unit VBAT -0.5 USB_VBUS... -
Page 29: Charging Performance Specifications
6.3. Charging Performance Specifications Table 10: Charging Performance Specifications Parameter Min. Typ. Max. Unit Trickle charging-A current Trickle charging-A threshold voltage range (15.62mV stepping up) 2.796 2.984 Trickle charging-B threshold voltage range (18.75mV stepping up) 3.581 Charge voltage range (25mV stepping up) 4.775 Charge voltage accuracy +/-2... -
Page 30: Current Consumption
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 module will meet IEEE compliant again. 6.5. Current Consumption Table 12: SC20-W Current Consumption Parameter Description Conditions Min. -
Page 31: Electrostatic Discharge
6.6. Electrostatic Discharge The module is not protected against electrostatic discharge (ESD) in general. Consequently, it should be subject to ESD handling precautions that are typically applied 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. -
Page 32: Mechanical Dimensions
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 SC20-W_Manual_R1.0 Confidential / Released 31 /... - Page 33 Figure 19: Module Bottom Dimensions (Top View) SC20-W_Manual_R1.0 Confidential / Released 32 /...
-
Page 34: Recommended Footprint
7.2. Recommended Footprint Figure 20: Recommended Footprint (Top View) NOTE: For easy maintenance of the module, keep about 3mm between the module and other components in the host PCB. All RESERVED pins must NOT be connected to GND. SC20-W_Manual_R1.0 Confidential / Released 33 /... -
Page 35: Top And Bottom View Of The Module
Figure 21: Top View of the Module Figure 22: Bottom View of the Module NOTE: These are design effect drawings of SC20-W module. For more accurate pictures, please refer to the module that you get from Quectel. SC20-W_Manual_R1.0 Confidential / Released 34 /... -
Page 36: Storage, Manufacturing And Packaging
Storage, Manufacturing and Packaging 8.1. Storage SC20-W is stored in a vacuum-sealed bag. The storage restrictions are shown as below. Shelf life in the vacuum-sealed bag: 12 months at <40° C/90%RH. After the vacuum-sealed bag is opened, devices that will be subjected to reflow soldering or other high temperature processes must be: ... -
Page 37: Manufacturing And Welding
8.2. Manufacturing and Welding Push the squeegee to apply the solder paste on the surface of stencil, thus making the paste fill the stencil openings and then penetrate to the PCB. The force on the squeegee should be adjusted properly so as to produce a clean stencil surface on a single pass. -
Page 38: Packaging
º C Preheat Heating Cooling Liquids Temperature º C 40s~60s º C 70s~120s Between 1~3 º C Time 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. - 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 Size: 370mm × 350mm × 85mm Size: 380mm × 365mm × 365mm SC20-W N.W: 1.92kg N.W: 7.68kg G.W: 3.17kg G.W: 13.63kg SC20-W_Manual_R1.0 Confidential / Released...
-
Page 40: Ic & Fcc Requirement
IC & FCC Requirement 9.1. FCC Regulations: This device complies with part 15 of the 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. -
Page 41: Ised Radiation Exposure Statement
Le présent appareil est conforme aux CNR Innovation, Sciences et Dé veloppement économique Canada applicables aux appareils radio exempts de licence. L'exploitation est autorisée aux deux conditions suivantes: (1) l'appareil ne doit pas produire de brouillage, et (2) l'utilisateur de l'appareil doit accepter tout brouillage radioélectrique subi, même si le brouillage est susceptible d'en This Class B digital apparatus complies with Canadian ICES-003. -
Page 42: Label Of The End Product
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. 9.7. LABEL OF THE END PRODUCT: The final end product must be labeled in a visible area with the following " Contains Transmitter Module FCC ID: XMR201709SC20W". - Page 43 1、 The characteristic impedance 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.
Need help?
Do you have a question about the Smart Wi-Fi Module Series and is the answer not in the manual?
Questions and answers