Quectel SC20 Hardware Design Download

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Smart Module Series

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GNSS

SC20 series integrates a IZat™ GNSS engine (GEN 8C) which supports multiple positioning and
navigation systems including GPS/BeiDou/GLONASS or GPS/BeiDou/Galileo. With an embedded LNA,
the module provides greatly improved positioning accuracy.

5.1. GNSS Performance

The following table lists the GNSS performance of the SC20 series in conduction mode.

Table 33: GNSS Performance

Parameter

Description

Typ.

Unit

Sensitivity

Cold start

-146

dBm

Reacquisition

-157

dBm

Tracking

-157

dBm

TTFF

Cold start

Warm start

Hot start

Static Drift

CEP-50

≤ 2.5

Summary of Contents for SC20

Page 1: ...SC20 Series Hardware Design Smart Module Series Version 3 0 0 Date 2021 07 30 Status Preliminary ...

Page 2: ...isclaimer While Quectel has made efforts to ensure that the functions and features under development are free from errors it is possible that these functions and features could contain errors inaccuracies and omissions Unless otherwise provided by valid agreement Quectel makes no warranties of any kind implied or express with respect to the use of features and functions under development To the ma...

Page 3: ...ansmitting reproducing disseminating and editing this document as well as using the content without permission are forbidden Offenders will be held liable for payment of damages All rights are reserved in the event of a patent grant or registration of a utility model or design Copyright Quectel Wireless Solutions Co Ltd 2021 All rights reserved ...

Page 4: ...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 emergency help is neede...

Page 5: ...d the frequency bands of SC20 E SC20 A SC20 AU and SC20 J modules Tables 2 3 4 and 5 3 Added descriptions of Wi Fi 5GHz frequency band Tables 27 28 and 35 4 Updated SC20 series operating frequencies Table 33 5 Updated reference circuit design for GNSS passive antenna Figure 37 6 Updated antenna requirements Table 38 7 Added the current consumption of SC20 E SC20 A SC20 AU and SC20 J Tables 44 45 4...

Page 6: ...nsitivity of SC20 EU in Table 62 10 Updated the reflow soldering thermal profile and the related parameters in Chapter 9 2 1 6 2019 01 10 Pat ZHANG Updated the GNSS sensitivity in Table 33 2 0 2020 01 19 Arsene TONG 1 Added the information of Linux version modules SC20 CEL R1 1 SC20 EL SC20 AL SC20 AUL and SC20 JL 2 Deleted SC20 EU and its related information 2 1 2020 11 13 Arsene TONG Ted ZHOU 1 ...

Page 7: ...tage Stability Requirements 34 3 4 3 Reference Design for Power Supply 36 3 5 Turn on and off Scenarios 36 3 5 1 Turn on with PWRKEY 36 3 5 2 Turn off 38 3 6 VRTC Interface 39 3 7 Power Output 40 3 8 Battery Charging and Management 40 3 9 USB Interface 42 3 10 UART Interfaces 44 3 11 U SIM Interfaces 46 3 12 SD Card Interface 48 3 13 GPIO Interfaces 50 3 14 SPI Interface 52 3 15 I2C Interfaces 53 ...

Page 8: ...1 Main Rx diversity Antenna Interfaces 75 6 1 1 Operating Frequency 75 6 1 2 Main and Rx diversity Antenna Interfaces Reference Design 80 6 2 Wi Fi Bluetooth Antenna Interface 80 6 3 GNSS Antenna Interface 81 6 3 1 Recommended Circuit for Passive Antenna 82 6 3 2 Recommended Circuit for Active Antenna 82 6 4 Reference Design for RF Layout 83 6 5 Antenna Installation 85 6 5 1 Antenna Requirements 8...

Page 9: ...dule Series SC20_Series_Hardware_Design 8 133 9 Storage Manufacturing and Packaging 127 9 1 Storage Conditions 127 9 2 Manufacturing and Soldering 128 9 3 Packaging Specification 129 10 Appendix References 131 ...

Page 10: ...nition of ADC Interfaces 54 Table 21 Pin Definition of Motor Drive Interface 55 Table 22 Pin Definition of LCM Interface 55 Table 23 Pin Definition of Touch Panel Interface 58 Table 24 Pin Definition of Rear Camera Interface 59 Table 25 Pin Definition of Front Camera Interface 61 Table 26 MIPI Trace Length Inside the Module 63 Table 27 Pin Definition of Sensor Interfaces 64 Table 28 Pin Definition...

Page 11: ...ent Consumption 103 Table 55 SC20 AU AUL Current Consumption 105 Table 56 SC20 J JL Current Consumption 109 Table 57 SC20 EU Current Consumption 110 Table 58 RF Output Power 114 Table 59 SC20 CE R1 1 CEL R1 1 RF Receiving Sensitivity 115 Table 60 SC20 E EL RF Receiving Sensitivity 116 Table 61 SC20 EX RF Receiving Sensitivity 117 Table 62 SC20 A AL RF Receiving Sensitivity 118 Table 63 SC20 AX RF ...

Page 12: ... Circuit Design for LCM Interface 57 Figure 22 Reference Design for External Backlight Driving Circuit 57 Figure 23 Reference Circuit Design for TP Interface 58 Figure 24 Reference Circuit Design for Rear Camera Interface 60 Figure 25 Reference Circuit Design for Front Camera Interface 62 Figure 26 Reference Circuit Design for Microphone Interface 65 Figure 27 Reference Circuit Design for Earpiece...

Page 13: ... Side Dimensions 123 Figure 43 Module Bottom Dimensions Top View 124 Figure 44 Recommended Footprint Top View 125 Figure 45 Top and Bottom Views of the Module 126 Figure 46 Recommended Reflow Soldering Thermal Profile 128 Figure 47 Tape Dimensions 130 Figure 48 Reel Dimensions 130 ...

Page 14: ...ides you can use the module to design and set up mobile applications easily Hereby Quectel Wireless Solutions Co Ltd declares that the radio equipment type SC20 E SC20 EL SC20 EX is in compliance with Directive 2014 53 EU As well as the UK Radio Equipment Regulations SI 2017 No 1206 The full text of the EU UK declaration of conformity is available at the following internet address http www quectel...

Page 15: ...tioning systems Supports multiple audio and video codecs Integrates built in high performance AdrenoTM 304 graphics processing unit Enables smooth play of 720P videos Provides multiple audio and video input output interfaces as well as abundant GPIO interfaces SC20 series is composed of Android version and Linux version Android version includes SC20 CE R1 1 SC20 E SC20 A SC20 AU SC20 J SC20 EU Lin...

Page 16: ...98 2 046 MHz Mode Frequency LTE FDD B1 B3 B5 B7 B8 B20 LTE TDD B38 B40 B41 WCDMA B1 B5 B8 GSM 850 900 1800 1900 MHz Wi Fi 802 11a b g n 2400 2482 MHz 5180 5825 MHz Bluetooth 4 2 LE 2402 2480 MHz GNSS GPS 1575 42 1 023 MHz GLONASS 1597 5 1605 8 MHz BeiDou 1561 098 2 046 MHz Mode Frequency LTE FDD B2 B4 B5 B7 B12 B13 B25 B26 WCDMA B1 B2 B4 B5 B8 GSM 850 1900 MHz Wi Fi 802 11a b g n 2400 2482 MHz 518...

Page 17: ...850 900 1800 1900 MHz Wi Fi 802 11a b g n 2400 2482 MHz 5180 5825 MHz Bluetooth 4 2 LE 2402 2480 MHz GNSS GPS Galileo 1575 42 1 023 MHz GLONASS 1597 5 1605 8 MHz BeiDou 1561 098 2 046 MHz Mode Frequency LTE FDD B1 B3 B8 B18 B19 B26 LTE TDD B41 WCDMA B1 B6 B8 B19 Wi Fi 802 11a b g n 2400 2496 MHz 5180 5825 MHz Bluetooth 4 2 LE 2402 2480 MHz GNSS GPS Galileo 1575 42 1 023 MHz GLONASS 1597 5 1605 8 M...

Page 18: ...mart phone digital signage alarm panel security and industry PDA etc 2 2 Key Features The following table describes the detailed features of the module Table 7 Key Features Type Frequency LTE FDD B1 B2 B3 B5 B7 B8 B20 B28A LTE TDD B38 WCDMA B1 B2 B5 B8 GSM 850 900 1800 1900 MHz Wi Fi 802 11a b g n 2400 2482 MHz 5180 5825 MHz Bluetooth 4 2 LE 2402 2480 MHz GNSS GPS Galileo 1575 42 1 023 MHz GLONASS...

Page 19: ...ss 3 23 dBm 2 dB for LTE TDD bands LTE Features Supports 3GPP R10 Cat 4 FDD and TDD Supports 1 4 3 5 10 20 MHz RF bandwidth Supports DL 2 2 MIMO FDD Max 150 Mbps DL Max 50 Mbps UL TDD Max 130 Mbps DL Max 30 Mbps UL UMTS Features Supports 3GPP R8 DC HSDPA HSPA HSDPA HSUPA WCDMA Supports 16QAM 64QAM and QPSK modulation DC HSDPA Max 42 Mbps HSUPA Max 5 76 Mbps WCDMA Max 384 kbps DL Max 384 kbps UL TD...

Page 20: ...el up to 8 MP 1 lane MIPI_CSI for front camera maximum pixel up to 2 MP Video Codec Video encoding 720P H 264 30 fps WVGA MPEG 4 VP8 30 fps Video decoding 1080P H 264 MPEG 4 VP8 H 265 DivX4 5 6 30 fps WVGA H 263 30 fps Audio Interfaces Audio inputs Two analog microphone inputs integrating internal bias voltage Audio outputs Class AB stereo headphone output Class AB earpiece differential output Cla...

Page 21: ...ed for debugging Motor Drive Interface Drives ERM motor SD Card Interface Supports SD 3 0 4 bit SDIO Supports SD card hot plug I2C Interfaces Three I2C interfaces Used for peripherals such as camera sensor touch panel etc ADC Interfaces Three ADC interfaces Used for battery voltage detection battery temperature detection and general purpose ADC Real Time Clock Supported Antenna Interfaces Main ant...

Page 22: ...amera MIPI interfaces Audio interfaces Figure 1 Functional Diagram 2 4 EVB To help you develop applications with the module Quectel supplies the evaluation board Smart EVB USB to RS 232 converter cable USB data cable power adapter earphone antenna and other peripherals to control or test the module For more details see document 1 ...

Page 23: ...e following chapters provide the detailed description of pins interfaces listed below Power supply VRTC interface USB interface UART interfaces U SIM interfaces SD card interface GPIO interfaces SPI interface I2C interfaces ADC interfaces Motor drive interface LCM interface Touch panel interface Camera interfaces Sensor interfaces Audio interfaces Emergency download interface ...

Page 24: ...dware_Design 23 133 3 2 Pin Assignment The following figure shows the pin assignment of SC20 series Figure 2 Pin Assignment Top View As for SC20 AX EX pins 105 116 117 118 119 are GPIO_15 GPIO_3 GPIO_2 GPIO_1 and GPIO_0 respectively NOTE ...

Page 25: ...l Input Output OD Open drain PI Power Input PO Power Output PIO Power Input Output Power Supply Pin Name Pin No I O Description DC Characteristics Comment VBAT_BB 1 2 PI Power supply for module s baseband part Vmax 4 2 V Vmin 3 5 V Vnom 3 8 V You must provide them with sufficient current of up to 3 0 A It is suggested to add a TVS for surge protection VBAT_RF 145 146 PI Power supply for module s R...

Page 26: ...85 V output Vnom 2 85 V IOmax 300 mA Power supply for peripherals If it is used connect an external 2 2 4 7 μF capacitor to this pin in parallel If it is not used keep it open GND Pin Name Pin No GND 3 7 12 15 27 51 62 69 76 78 85 86 88 89 120 122 130 132 135 140 143 144 147 150 160 178 180 182 184 186 188 189 192 193 198 200 201 208 209 Audio Interfaces Pin Name Pin No I O Description DC Characte...

Page 27: ... power input and USB insertion detection Vmax 6 3 V Vmin 4 35 V Vnom 5 0 V USB_DM 13 AIO USB 2 0 differential data Compliant with USB 2 0 standard Require differential impedance of 90 Ω USB_DP 14 AIO USB 2 0 differential data USB_ID 16 AI USB ID detect High level by default U SIM Interfaces Pin Name Pin No I O Description DC Characteristics Comment USIM2_DETECT 17 DI U SIM2 card hot plug detect VI...

Page 28: ...7 V Active low Externally pull it up to 1 8 V If unused keep this pin open USIM1_RST 23 DO U SIM1 card reset VOLmax 0 4 V VOHmin 0 8 USIM1_VDD USIM1_CLK 24 DO U SIM1 card clock USIM1_DATA 25 DIO U SIM1 card data VILmax 0 2 USIM1_VDD VIHmin 0 7 USIM1_VDD VOLmax 0 4 V VOHmin 0 8 USIM1_VDD Externally pull it up to USIM1_VDD with a 10 kΩ resistor USIM1_VDD 26 PO U SIM1 card power supply For 1 8 V U SI...

Page 29: ... 0 63 V VIHmin 1 17 V 1 8 V power domain If unused keep these pins open UART2_TX 94 DO UART2 transmit Debug port by default VOLmax 0 45 V VOHmin 1 35 V SD Card Interface Pin Name Pin No I O Description DC Characteristics Comment SD_LDO11 38 PO SD card power supply Vnom 2 95 V IOmax 600 mA SD_LDO12 32 PO 1 8 2 95 V output power for SD card pull up circuits Vnom 1 8 2 95 V IOmax 50 mA SD_CLK 39 DO S...

Page 30: ...OLmax 0 45 V VOHmin 1 35 V 1 8 V power domain Active low TP_I2C_SCL 47 OD TP I2C clock 1 8 V power domain TP_I2C_SDA 48 OD TP I2C data 1 8 V power domain LCM Interface Pin Name Pin No I O Description DC Characteristics Comment PWM 29 DO PWM output VOLmax 0 45 V VOHmax VBAT_BB Adjust the backlight brightness LCD_RST 49 DO LCD reset VOLmax 0 45 V VOHmin 1 35 V 1 8 V power domain Active low LCD_TE 50...

Page 31: ...KP 64 AI Rear camera MIPI clock MIPI_CSI0_LN0N 65 AI Rear camera MIPI data 0 MIPI_CSI0_LN0P 66 AI Rear camera MIPI data 0 MIPI_CSI0_LN1N 67 AI Rear camera MIPI data 1 MIPI_CSI0_LN1P 68 AI Rear camera MIPI data 1 MIPI_CSI1_CLKN 70 AI Front camera MIPI clock MIPI_CSI1_CLKP 71 AI Front camera MIPI clock MIPI_CSI1_LN0N 72 AI Front camera MIPI data MIPI_CSI1_LN0P 73 AI Front camera MIPI data CAM0_MCLK ...

Page 32: ...in open KEY_VOL_DOWN 96 DI Volume down If unused keep this pin open SENSOR_I2C Interface Pin Name Pin No I O Description DC Characteristics Comment SENSOR_I2C_ SCL 91 OD I2C clock for external sensor 1 8 V power domain SENSOR_I2C_ SDA 92 OD I2C data for external sensor 1 8 V power domain ADC Interfaces Pin Name Pin No I O Description DC Characteristics Comment ADC 128 AI General purpose ADC Maximu...

Page 33: ...ce ANT_GNSS 121 AI GNSS antenna interface ANT_WIFI BT 77 AIO Wi Fi Bluetooth antenna interface GPIO Interfaces Pin Name Pin No I O Description DC Characteristics Comment GPIO_23 33 DIO General purpose input output VILmax 0 63 V VIHmin 1 17 V VOLmax 0 45 V VOHmin 1 4 V 1 8 V power domain GPIO_32 90 DIO General purpose input output GPIO_31 97 DIO General purpose input output GPIO_92 98 DIO General p...

Page 34: ...purpose input output GPIO_95 115 DIO General purpose input output GPIO_11 116 3 DIO General purpose input output GPIO_3 GPIO_10 117 3 DIO General purpose input output GPIO_2 GPIO_9 118 3 DIO General purpose input output GPIO_1 GPIO_8 119 3 DIO General purpose input output GPIO_0 GPIO_16 123 DIO General purpose input output GPIO_17 124 DIO General purpose input output Other Interfaces Pin Name Pin ...

Page 35: ...current of the module may surge up to 3 A If the supply voltage is not enough there will be voltage drops and if the voltage drops below 3 1 V the module will be turned off automatically Therefore make sure the input voltage never drops RESET_N 179 DI Resets the module Disabled by default and can be enabled through software configuration USB_BOOT 46 DI Forces the module to enter emergency download...

Page 36: ...lication must be a single voltage source and can be expanded to two sub paths with star structure The width of VBAT_BB trace should be no less than 1 5 mm and the width of VBAT_RF trace should be no less than 2 mm In principle the longer the VBAT trace is the wider it should be In addition in order to get a stable power source it is suggested to use a TVS diode and place it as close to the VBAT_BB...

Page 37: ...opts an LDO MIC29302WU from MICREL The typical output voltage is 3 8 V and the maximum load current is 3 0 A Figure 5 Reference Circuit of Power Supply 1 It is recommended to switch off the power supply when the module is in abnormal state and then switch on the power to restart the module 2 The module supports battery charging by default If the above power supply design is adopted make sure the c...

Page 38: ... The other way to control the PWRKEY is using a button directly A TVS component is indispensable to be placed nearby the button for ESD protection A reference circuit is shown in the following figure Figure 7 Turn on the Module Using Keystroke The turning on scenario is illustrated in the following figure ...

Page 39: ...re pulling down PWRKEY pin The recommended time between them is no less than 30 ms PWRKEY pin cannot be pulled down all the time 3 5 2 Turn off Drive the PWRKEY pin low for at least 1 s 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 low for at least 8 s The module will execute forced shutdown The forced power down scen...

Page 40: ...hen the module is powered down and there is no power supply for the VBAT The external power source can be a capacitor or rechargeable battery such as coil cells according to application demands The following are some reference circuit designs when an external battery or capacitor is utilized for powering RTC Figure 10 RTC Powered by Coin Cell Figure 11 RTC Powered by Capacitor ...

Page 41: ... a 100 μF capacitor with low ESR The capacitor will be able to power the real time clock for 45 seconds 3 7 Power Output SC20 series supports output of regulated voltages for peripheral circuits During application it is recommended to add capacitors 33 pF and 10 pF in parallel to suppress high frequency noise Table 10 Power Description 3 8 Battery Charging and Management SC20 series can supports b...

Page 42: ... kΩ 1 NTC thermistor with B constant of 4050 K by default SDNT1608X473F4050FTF of SUNLORD is recommended and the thermistor is connected to VBAT_THERM pin If VBAT_THERM pin is not connected there will be malfunctions such as battery charging failure battery level display error etc The default battery temperature range is 3 0 C to 48 5 C A reference design for battery charging circuit is shown as b...

Page 43: ...s well as for battery charging via the internal PMU The input voltage of power supply ranges from 4 35 V to 6 3 V and the typical value is 5 0 V SC20 series supports charging management for a single Li ion battery but different charging parameters should be set for batteries with different models or capacities The module is available with a built in linear charging circuit which supports maximally...

Page 44: ...igure 13 USB Interface Reference Design OTG is not Supported Figure 14 USB Interface Reference Design OTG is Supported SC20 series supports OTG protocol If OTG function is needed see the above figure for the reference design AW3605DNR is a high efficiency DC DC chip manufactured by AWINIC and you can also choose a suitable one according to your own demands ...

Page 45: ...elding on not only upper and lower layer but also right and left sides Make sure the trace length difference between USB_DM and USB_DP is not exceeding 6 6 mm Table 12 USB Trace Length Inside the Module 3 10 UART Interfaces The module provides two UART interfaces UART1 4 wire UART interface with RTS CTS hardware flow control baud rate up to 4 Mbps UART2 2 wire UART interface used for debugging Tab...

Page 46: ...1_CTS UART1_TX RTS_3 3V RXD_3 3V CTS_3 3V TXD_3 3V VDD_3 3V TXS0104EPWR C1 100 pF C2 U1 100 pF Figure 15 Reference Circuit with Level Translator Chip for UART1 The following figure is an example of connection between the module and PC A voltage level translator and a RS 232 level translator chip are recommended to be added between the module and PC Figure 16 RS 232 Level Match Circuit for UART1 If...

Page 47: ... low Externally pull it up to 1 8 V If unused keep this pin open USIM2_RST 18 DO U SIM2 card reset USIM2_CLK 19 DO U SIM2 card clock USIM2_DATA 20 DIO U SIM2 card data Externally pull it up to USIM2_VDD with a 10 kΩ resistor USIM2_VDD 21 PO U SIM2 card power supply Either 1 8 V or 2 95 V U SIM card is supported by the module automatically USIM1_DETECT 22 DI U SIM1 card hot plug detect Active low E...

Page 48: ...IM interface with a 6 pin U SIM card connector Figure 18 Reference Circuit for U SIM Interface with a 6 pin U SIM Card Connector In order to ensure good performance and avoid damage to U SIM cards follow the criteria below in U SIM circuit design Keep placement of U SIM card connector as close to the module as possible Keep the trace length of U SIM card signals as less than 200 mm as possible Kee...

Page 49: ...rallel on USIM_DATA USIM_CLK and USIM_RST signal lines to filter RF interference and they should be placed as close to the U SIM card connector as possible 3 12 SD Card Interface The SD card interface of SC20 series supports SD 3 0 protocol and 4 bit SDIO The pin definition is shown below Table 15 Pin Definition of SD Card Interface Pin Name Pin No I O Description Comment SD_LDO11 38 PO SD card po...

Page 50: ...onnector SD_CMD SD_CLK SD_DATA0 SD_DATA1 SD_DATA2 and SD_DATA3 are all high speed signal lines In PCB design control the characteristic impedance of them as 50 Ω and do not cross them with other traces It is recommended to route the traces on the inner layer of PCB and keep the same trace length for them Additionally SD_CLK needs ground shielding Layout guidelines Control impedance as 50 Ω 10 and ...

Page 51: ...m 43 SD_DATA2 14 53 44 SD_DATA3 14 57 Pin No Pin Name GPIO No Default state Comment 30 TP_INT GPIO_13 B PD nppukp 4 Wakeup 5 31 TP_RST GPIO_12 B PD nppukp Wakeup 33 GPIO_23 GPIO_23 B PD nppukp 34 UART1_TX GPIO_20 B PD nppukp Wakeup 35 UART1_RX GPIO_21 B PD nppukp Wakeup 36 UART1_CTS GPIO_111 B PD nppukp Wakeup 37 UART1_RTS GPIO_112 B PD nppukp Wakeup 45 SD_DET GPIO_38 B PD nppukp Wakeup 47 TP_I2C_...

Page 52: ... nppukp Wakeup 82 CAM1_PWD GPIO_33 B PD nppukp 83 CAM_I2C_SCL GPIO_30 B PD nppukp 84 CAM_I2C_SDA GPIO_29 B PD nppukp 90 GPIO_32 GPIO_32 B PD nppukp 91 SENSOR_I2C_SCL GPIO_7 B PD nppukp 92 SENSOR_I2C_SDA GPIO_6 B PD nppukp 93 UART2_RX GPIO_5 B PD nppukp Wakeup 94 UART2_TX GPIO_4 B PD nppukp 95 KEY_VOL_UP GPIO_90 B PD nppukp Wakeup 96 KEY_VOL_DOWN GPIO_91 B PD nppukp Wakeup 97 GPIO_31 GPIO_31 B PD n...

Page 53: ... PD nppukp Wakeup 108 GPIO_36 GPIO_36 B PD nppukp Wakeup 109 GPIO_65 GPIO_65 B PD nppukp Wakeup 110 GPIO_96 GPIO_96 B PD nppukp Wakeup 112 GPIO_58 GPIO_58 B PD nppukp Wakeup 113 GPIO_99 GPIO_99 B PD nppukp 115 GPIO_95 GPIO_95 B PD nppukp Wakeup 116 7 GPIO_11 GPIO_11 B PD nppukp Wakeup GPIO_3 GPIO_3 117 7 GPIO_10 GPIO_10 B PD nppukp GPIO_2 GPIO_2 118 7 GPIO_9 GPIO_9 B PD nppukp GPIO_1 GPIO_1 119 7 ...

Page 54: ...espectively as for SC20 AX SC20 EX pins 105 116 117 118 and 119 are GPIO_15 GPIO_3 GPIO_2 GPIO_1 and GPIO_0 respectively Pin Name Pin No I O Description Comment GPIO_8 119 8 IO SPI master out slave in Can be multiplexed into SPI_MOSI GPIO_0 GPIO_9 118 8 IO SPI master in slave out Can be multiplexed into SPI_MISO GPIO_1 GPIO_10 117 8 DO SPI chip select Can be multiplexed into SPI_CS_N GPIO_2 GPIO_1...

Page 55: ...n design via the ADC pin instead of VBAT_SNS 3 17 Motor Drive Interface The pin definition of motor drive interface is listed below SENSOR_I2C_SCL 91 OD I2C clock signal for external sensor Used for external sensor SENSOR_I2C_SDA 92 OD I2C data signal for external sensor Pin Name Pin No I O Description Comment ADC 128 AI General purpose ADC Maximum input voltage 1 7 V VBAT_SNS 133 AI Battery volta...

Page 56: ...nterface which is MIPI_DSI standard compliant The interface supports high speed differential data transmission with one 4 lane MIPI_DSI and a transmission rate of up to 1 5 Gbps lane It supports up to 720P resolution display Table 22 Pin Definition of LCM Interface Pin Name Pin No I O Description Comment VIB_DRV 28 PO Motor drive Connect it to the negative pole of the motor Pin Name Pin No I O Des...

Page 57: ...mple LCD_RST 49 DO LCD reset 1 8 V power domain Active low LCD_TE 50 DI LCD tearing effect 1 8 V power domain MIPI_DSI_CLKN 52 AO LCD MIPI clock MIPI_DSI_CLKP 53 AO LCD MIPI clock MIPI_DSI_LN0N 54 AO LCD MIPI data 0 MIPI_DSI_LN0P 55 AO LCD MIPI data 0 MIPI_DSI_LN1N 56 AO LCD MIPI data 1 MIPI_DSI_LN1P 57 AO LCD MIPI data 1 MIPI_DSI_LN2N 58 AO LCD MIPI data 2 MIPI_DSI_LN2P 59 AO LCD MIPI data 2 MIPI...

Page 58: ...e design with other displays is required connect the LCD_ID pin of LCM to the module s ADC pin and please note that the output voltage of LCD_ID cannot exceed the voltage range of ADC pin External backlight driving circuit needs to be designed for LCM and a reference circuit design is shown in the following figure Backlight brightness adjustment can be realized by PWM pin of SC20 series by adjusti...

Page 59: ... as an example TP_RST TP_I2C_SCL TP_I2C_SDA TP_INT 1 2 3 4 5 6 2 2K 2 2K LDO17_2V85 LDO6_1V8 4 7 μF 100 nF Module RESET 1 8 V SCL 1 8 V SDA 1 8 V INT 1 8 V GND VDD 2 8 V TP R2 R1 C1 C2 D1 D2 D3 D4 D5 Figure 23 Reference Circuit Design for TP Interface Pin Name Pin No I O Description Comment LDO6_1V8 125 PO 1 8 V output power supply for TP I O power domain and I2C pull up circuit Vnom 1 8 V IOmax 1...

Page 60: ...erface The rear camera realizes transmission and control via its FPC and a connector which is connected to the module The rear camera interface integrates a two lane MIPI_CSI for differential data transmission and it supports up to 8 MP camera The pin definition of rear camera interface is shown below Table 24 Pin Definition of Rear Camera Interface Pin Name Pin No I O Description Comment LDO6_1V8...

Page 61: ...e DVDD_1V2 is used to power the rear camera core and VDD_AF_2V8 is used to power the rear camera AF circuit Both are powered by external LDOs 3 20 2 Front Camera Interface The front camera interface integrates a one lane MIPI_CSI for differential data transmission and it supports up to 2 MP camera CAM0_RST 79 DO Reset of rear camera CAM0_PWD 80 DO Power down of rear camera CAM_I2C_SCL 83 OD I2C cl...

Page 62: ..._1V8 125 PO 1 8 V output power supply for DOVDD of camera Vnom 1 8 V IOmax 100 mA LDO17_2V85 129 PO 2 85 V output power supply for AVDD of camera Vnom 2 85 V IOmax 300 mA MIPI_CSI1_CLKN 70 AI Front camera MIPI clock MIPI_CSI1_CLKP 71 AI Front camera MIPI clock MIPI_CSI1_LN0N 72 AI Front camera MIPI data MIPI_CSI1_LN0P 73 AI Front camera MIPI data CAM1_MCLK 75 DO Clock of front camera CAM1_RST 81 D...

Page 63: ...mmended to route the traces on the inner layer of PCB and do not cross them with other traces For the same video device keep all the MIPI traces of the same length In order to avoid crosstalk 1 5 times of the trace width is recommended to be maintained among MIPI signal lines During impedance matching do not connect GND on different planes to ensure impedance consistency It is recommended to selec...

Page 64: ...08 0 63 53 MIPI_DSI_CLKP 6 45 54 MIPI_DSI_LN0N 6 15 0 30 55 MIPI_DSI_LN0P 5 85 56 MIPI_DSI_LN1N 6 64 0 04 57 MIPI_DSI_LN1P 6 60 58 MIPI_DSI_LN2N 8 20 0 74 59 MIPI_DSI_LN2P 8 94 60 MIPI_DSI_LN3N 9 28 0 96 61 MIPI_DSI_LN3P 10 24 63 MIPI_CSI0_CLKN 10 55 0 54 64 MIPI_CSI0_CLKP 11 09 65 MIPI_CSI0_LN0N 12 13 0 40 66 MIPI_CSI0_LN0P 12 53 67 MIPI_CSI0_LN1N 13 73 0 76 68 MIPI_CSI0_LN1P 14 49 70 MIPI_CSI1_C...

Page 65: ..._I2C_SCL 91 OD I2C clock for external sensor 1 8 V power domain SENSOR_I2C_SDA 92 OD I2C data for external sensor 1 8 V power domain GPIO_88 99 DI Gyroscope sensor interrupt 2 Default configuration Including but not limited to these GPIO pins GPIO_89 100 DI Gyroscope sensor interrupt 1 GPIO_94 107 DI Proximity sensor interrupt GPIO_36 108 DI Compass sensor interrupt GPIO_65 109 DI Gravity sensor i...

Page 66: ...wer is 879 mW when VBAT is 4 2 V and load is 8 Ω The headphone interface features stereo left and right channel output and supports headphone insertion detect 3 22 1 Reference Circuit Design for Microphone Interface Figure 26 Reference Circuit Design for Microphone Interface SPKP 10 AO Speaker output SPKN 11 AO Speaker output HPH_R 136 AO Headphone right channel output HPH_GND 137 AI Headphone ref...

Page 67: ... Circuit Design for Earpiece Interface EARP EARN F2 33 pF 0R 0R 33 pF 33 pF C2 C3 C1 F1 Module D1 D2 Figure 27 Reference Circuit Design for Earpiece Interface 3 22 3 Reference Circuit Design for Headphone Interface Figure 28 Reference Circuit Design for Headphone Interface ...

Page 68: ... vendors to choose the most suitable capacitor to filter out the high frequency noises The severity of RF interference in the voice channel during GSM transmitting largely depends on the application design In some cases EGSM900 TDD noise is more severe while in other cases DCS1800 TDD noise is more obvious Therefore you should select a suitable capacitor according to the test results Sometimes eve...

Page 69: ...can force the module to enter emergency download mode by pulling it up to LDO5_1V8 during power up This is an emergency option when failures such as abnormal start up or running occur For firmware upgrade and debugging in the future reserve the following reference design Figure 30 Reference Circuit Design for Emergency Download Interface ...

Page 70: ...WLAN wireless communication based on IEEE 802 11a b g n standard protocols The maximum data rate is up to 150 Mbps The features are as below Supports Wake on WLAN WoWLAN Supports ad hoc mode Supports WAPI SMS4 hardware encryption Supports AP mode Supports Wi Fi Direct Supports MCS 0 7 for HT20 and HT40 4 1 1 Wi Fi Performance The following table lists the Wi Fi transmitting and receiving performan...

Page 71: ...HT20 12 dBm 2 dB 802 11n HT40 11 dBm 2 5 dB WLAN 5 3GHz 802 11a 11 dBm 2 5 dB 802 11n HT20 12 dBm 2 dB 802 11n HT40 11 dBm 2 5 dB WLAN 5 3GHz 802 11a 11 dBm 2 dB 802 11n HT20 11 dBm 2 5 dB 802 11n HT40 10 dBm 2 5 dB WLAN 5 8GHz 802 11a 10 dBm 2 5 dB 802 11n HT20 10 dBm 2 dB 802 11n HT40 9 dBm 2 dB Standard Rate Sensitivity 2 4 GHz 802 11b 1 Mbps 96 dBm 802 11b 11 Mbps 87 dBm 802 11g 6 Mbps 91 dBm ...

Page 72: ...Maximally supports up to 7 wireless connections Maximally supports up to 3 5 piconets at the same time Supports one SCO or eSCO connection The BR EDR channel bandwidth is 1 MHz and can accommodate 79 channels The BLE channel bandwidth is 2 MHz and can accommodate 40 channels Table 31 Bluetooth Data Rate and Version 802 11n HT20 MCS7 72 dBm 802 11n HT40 MCS0 87 dBm 802 11n HT40 MCS7 68 dBm 5 GHz 80...

Page 73: ...009 4 2 1 Bluetooth Performance The following table lists the Bluetooth transmitting and receiving performance of SC20 series Table 32 Bluetooth Transmitting and Receiving Performance 2 0 EDR 3 Mbit s 80 kbit s 3 0 HS 24 Mbit s Reference 3 0 HS 4 2 24 Mbit s Reference 4 2 LE Transmitter Performance Packet Types DH5 2 DH5 3 DH5 Transmitting Power 10 dBm 2 5 dB 8 dBm 2 5 dB 8 dBm 2 5 dB Receiver Per...

Page 74: ...S BeiDou Galileo With an embedded LNA the module provides greatly improved positioning accuracy 5 1 GNSS Performance The following table lists the GNSS performance of the SC20 series in conduction mode Table 33 GNSS Performance Parameter Description Typ Unit Sensitivity Cold start 146 dBm Reacquisition 157 dBm Tracking 157 dBm TTFF Cold start 32 s Warm start 30 s Hot start 2 s Static Drift CEP 50 ...

Page 75: ...l lines and RF components far away from high speed circuits switch mode power supplies power inductors the clock circuit of single chip microcomputers etc For applications with harsh electromagnetic environment or high ESD protection requirements it is recommended to add ESD protective diodes for the antenna interface The junction capacitance of the diodes should be less than 0 5 pF Otherwise it w...

Page 76: ...s is shown below Table 34 Pin Definition of Main Rx diversity Antenna Interfaces 6 1 1 Operating Frequency Table 35 SC20 CE R1 1 CEL R1 1 Operating Frequencies Pin Name Pin No I O Description Comment ANT_MAIN 87 AIO Main antenna interface 50 Ω impedance ANT_DRX 131 AI Rx diversity antenna interface 3GPP Band Receive Transmit Unit EGSM900 925 960 880 915 MHz DCS1800 1805 1880 1710 1785 MHz WCDMA B1...

Page 77: ... TDD B38 2570 2620 2570 2620 MHz LTE TDD B39 1880 1920 1880 1920 MHz LTE TDD B40 2300 2400 2300 2400 MHz LTE TDD B41 9 2555 2655 2555 2655 MHz 3GPP Band Receive Transmit Unit GSM850 869 894 824 849 MHz EGSM900 925 960 880 915 MHz DCS1800 1805 1880 1710 1785 MHz PCS1900 1930 1990 1850 1910 MHz WCDMA B1 2110 2170 1920 1980 MHz WCDMA B5 869 894 824 849 MHz WCDMA B8 925 960 880 915 MHz LTE FDD B1 2110...

Page 78: ...655 MHz 3GPP Band Receive Transmit Unit GSM850 869 894 824 849 MHz PCS1900 1930 1990 1850 1910 MHz WCDMA B1 2110 2170 1920 1980 MHz WCDMA B2 1930 1990 1850 1910 MHz WCDMA B4 2110 2155 1710 1755 MHz WCDMA B5 869 894 824 849 MHz WCDMA B8 925 960 880 915 MHz LTE FDD B2 1930 1990 1850 1910 MHz LTE FDD B4 2110 2155 1710 1755 MHz LTE FDD B5 869 894 824 849 MHz LTE FDD B7 2620 2690 2500 2570 MHz LTE FDD ...

Page 79: ...0 1990 1850 1910 MHz WCDMA B5 869 894 824 849 MHz WCDMA B8 925 960 880 915 MHz LTE FDD B1 2110 2170 1920 1980 MHz LTE FDD B3 1805 1880 1710 1785 MHz LTE FDD B5 869 894 824 849 MHz LTE FDD B7 2620 2690 2500 2570 MHz LTE FDD B8 925 960 880 915 MHz LTE FDD B28 758 803 703 748 MHz LTE TDD B40 2300 2400 2300 2400 MHz 3GPP Band Receive Transmit Unit WCDMA B1 2110 2170 1920 1980 MHz WCDMA B6 875 885 830 ...

Page 80: ...55 MHz 3GPP Band Receive Transmit Unit GSM850 869 894 824 849 MHz EGSM900 925 960 880 915 MHz DCS1800 1805 1880 1710 1785 MHz PCS1900 1930 1990 1850 1910 MHz WCDMA B1 2110 2170 1920 1980 MHz WCDMA B2 1930 1990 1850 1910 MHz WCDMA B5 869 894 824 849 MHz WCDMA B8 925 960 880 915 MHz LTE FDD B1 2110 2170 1920 1980 MHz LTE FDD B2 1930 1990 1850 1910 MHz LTE FDD B3 1805 1880 1710 1785 MHz LTE FDD B5 86...

Page 81: ...ennas as possible The capacitors are not mounted by default and the resistors are 0 Ω Figure 31 Reference Circuit Design for Main and Rx diversity Antenna Interfaces 6 2 Wi Fi Bluetooth Antenna Interface The following tables show the pin definition and frequency specification of the Wi Fi Bluetooth antenna interface Table 41 Pin Definition of Wi Fi Bluetooth Antenna Interface Table 42 Wi Fi Blueto...

Page 82: ...d be placed as close to the antenna as possible and are mounted according to the actual debugging C1 and C2 are not mounted by default and the resistor is 0 Ω Figure 32 Reference Circuit Design for Wi Fi Bluetooth Antenna 6 3 GNSS Antenna Interface The following tables show pin definition and frequency specification of the GNSS antenna interface Table 43 Pin Definition of GNSS Antenna Interface 51...

Page 83: ...an external LNA circuit for better GNSS receiving performance and the LNA should be placed close to the antenna 6 3 2 Recommended Circuit for Active Antenna The active antenna is powered by a 56 nH inductor through the antenna s signal path The common power supply voltage ranges from 3 3 V to 5 0 V Despite its low power consumption the active antenna still requires stable and clean power supplies ...

Page 84: ...nce of the RF traces is usually determined by the trace width W the materials dielectric constant the height from the reference ground to the signal layer H and the spacing between RF traces and grounds S Microstrip or coplanar waveguide is typically used in RF layout to control characteristic impedance The following are reference designs of microstrip or coplanar waveguide with different PCB stru...

Page 85: ...rdware_Design 84 133 Figure 36 Coplanar Waveguide Design on a 2 layer PCB Figure 37 Coplanar Waveguide Design on a 4 layer PCB Layer 3 as Reference Ground Figure 38 Coplanar Waveguide Design on a 4 layer PCB Layer 4 as Reference Ground ...

Page 86: ...nd RF traces and the reference ground to improve RF performance The distance between the ground vias and RF traces should be no less than two times the width of RF signal traces 2 W Keep RF traces away from interference sources and avoid intersection and paralleling between traces on adjacent layers For more details about RF layout see document 3 6 5 Antenna Installation 6 5 1 Antenna Requirements...

Page 87: ...18 B19 B20 B26 B28 Cable Insertion Loss 1 5 dB DCS1800 PCS1900 WCDMA B1 B2 B4 TD SCDMA B34 B39 LTE FDD B1 B2 B3 B4 B25 LTE TDD B39 Cable Insertion Loss 2 dB LTE FDD B7 LTE TDD B38 B40 B41 Wi Fi Bluetooth VSWR 2 Gain Bluetooth WLAN 2 4G Antenna 0 47dBi WLAN 5 2G Antenna 0 67 dBi WLAN 5 3G Antenna 0 19 dBi WLAN 5 5G Antenna 1 28 dBi WLAN 5 8G Antenna 1 10 dBi Max Input Power 50 W Input Impedance 50 ...

Page 88: ...re 39 Dimensions of the U FL R SMT Connector Unit mm U FL LP serial connectors listed in the following figure can be used to match the U FL R SMT Figure 40 Mechanicals of U FL LP Connectors The following figure describes the space factor of the mated connector ...

Page 89: ...Smart Module Series SC20_Series_Hardware_Design 88 133 Figure 41 Space Factor of Mated Connectors Unit mm For more details visit http www hirose com ...

Page 90: ...wing table Table 46 Absolute Maximum Ratings 7 2 Power Supply Ratings Table 47 Module Power Supply Ratings Parameter Min Max Unit VBAT 0 5 6 V USB_VBUS 0 5 16 V Peak Current of VBAT 0 3 A Voltage on Digital Pins 0 3 2 3 V Parameter Description Conditions Min Typ Max Unit VBAT VBAT The actual input voltages must stay between the minimum and maximum values 3 5 3 8 4 2 V Voltage drop during transmitt...

Page 91: ...2 0 3 0 3 25 V Parameter Min Typ Max Unit Trickle charging A current 81 90 99 mA Trickle charging A threshold voltage range 15 62 mV steps 2 5 2 796 2 984 V Trickle charging B threshold voltage range 18 75 mV steps 3 0 3 2 3 581 V Charge voltage range 25 mV steps 4 4 2 4 775 V Charge voltage accuracy 2 Charge current range 90 mA steps 90 1440 mA Charge current accuracy 10 Charge termination curren...

Page 92: ...erature range the module is 3GPP compliant Parameter Min Typ Max Unit Operating temperature range 13 35 25 75 ºC Storage Temperature Range 40 90 ºC Description Conditions Typ Unit OFF state Power down 20 μA GSM GPRS supply current Sleep USB disconnected DRX 2 3 85 mA Sleep USB disconnected DRX 5 3 01 mA Sleep USB disconnected DRX 9 2 91 mA WCDMA supply current Sleep USB disconnected DRX 6 3 30 mA ...

Page 93: ... 67 mA GSM voice call EGSM900 PCL 5 31 84 dBm 290 mA EGSM900 PCL 12 18 49 dBm 150 mA EGSM900 PCL 19 4 95 dBm 104 mA DCS1800 PCL 0 28 91 dBm 220 mA DCS1800 PCL 7 15 35 dBm 150 mA DCS1800 PCL 15 0 21 dBm 120 mA EVDO CDMA voice call BC0 max power 23 91 dBm 560 mA BC0 min power 60 28 dBm 190 mA WCDMA voice call B1 max power 22 61 dBm 560 mA B8 max power 22 74 dBm 580 mA EDGE data transfer EGSM900 1UL ...

Page 94: ... dBm 560 mA B8 HSUPA 21 56 dBm 550 mA LTE data transfer LTE FDD B1 22 96 dBm 750 mA LTE FDD B3 22 95 dBm 700 mA LTE FDD B5 22 90 dBm 680 mA LTE FDD B8 23 17 dBm 680 mA LTE TDD B38 22 02 dBm 400 mA LTE TDD B39 22 13 dBm 410 mA LTE TDD B40 22 01 dBm 410 mA LTE TDD B41 22 31 dBm 400 mA Description Conditions Typ Unit OFF state Power down 20 μA GSM GPRS supply current Sleep USB disconnected DRX 2 3 58...

Page 95: ...X 8 2 14 mA LTE TDD supply current Sleep USB disconnected DRX 5 5 93 mA Sleep USB disconnected DRX 6 3 74 mA Sleep USB disconnected DRX 7 2 70 mA Sleep USB disconnected DRX 8 2 17 mA GSM voice call GSM850 PCL 5 33 13 dBm 263 8 mA GSM850 PCL 12 19 15 dBm 134 7 mA GSM850 PCL 19 5 31 dBm 109 2 mA EGSM900 PCL 5 33 07 dBm 271 2 mA EGSM900 PCL 12 19 53 dBm 137 3 mA EGSM900 PCL 19 5 59 dBm 110 6 mA DCS18...

Page 96: ...64 0 mA EGSM900 1UL 4DL 33 10 dBm 272 7 mA EGSM900 2UL 3DL 33 00 dBm 445 0 mA EGSM900 3UL 2DL 30 96 dBm 512 0 mA EGSM900 4UL 1DL 29 93 dBm 599 2 mA DCS1800 1UL 4DL 29 96 dBm 205 8 mA DCS1800 2UL 3DL 29 86 dBm 314 3 mA DCS1800 3UL 2DL 29 73 dBm 420 8 mA DCS1800 4UL 1DL 29 63 dBm 531 7 mA PCS1900 1UL 4DL 29 77 dBm 199 3 mA PCS1900 2UL 3DL 29 64 dBm 307 2 mA PCS1900 3UL 2DL 29 54 dBm 411 5 mA PCS1900...

Page 97: ...900 1UL 4DL 26 14 dBm 171 0 mA PCS1900 2UL 3DL 26 11 dBm 260 5 mA PCS1900 3UL 2DL 26 11 dBm 349 6 mA PCS1900 4UL 1DL 25 70 dBm 442 3 mA WCDMA data transfer B1 HSDPA 22 43 dBm 503 8 mA B5 HSDPA 22 23 dBm 471 6 mA B8 HSDPA 22 24 dBm 481 6 mA B1 HSUPA 22 30 dBm 504 6 mA B5 HSUPA 21 93 dBm 460 5 mA B8 HSUPA 21 90 dBm 464 8 mA LTE data transfer LTE FDD B1 23 29 dBm 737 mA LTE FDD B3 23 29 dBm 756 mA LT...

Page 98: ...ly current Sleep USB disconnected DRX 6 4 211 mA Sleep USB disconnected DRX 7 3 195 mA Sleep USB disconnected DRX 8 2 879 mA Sleep USB disconnected DRX 9 2 63 mA LTE FDD supply current Sleep USB disconnected DRX 5 7 819 mA Sleep USB disconnected DRX 6 5 036 mA Sleep USB disconnected DRX 7 3 605 mA Sleep USB disconnected DRX 8 2 956 mA LTE TDD supply current Sleep USB disconnected DRX 5 7 653 mA Sl...

Page 99: ...29 72 dBm 273 92 mA PCS1900 PCL 7 16 72 dBm 232 21 mA PCS1900 PCL 15 0 98 dBm 231 1 mA WCDMA voice call B1 max power 23 18 dBm 581 58 mA B5 max power 23 22 dBm 529 42 mA B8 max power 23 29 dBm 533 35 mA GPRS data transfer GSM850 1UL 4DL 33 12 dBm 293 43 mA GSM850 2UL 3DL 33 02 dBm 414 81 mA GSM850 3UL 2DL 30 50 dBm 478 39 mA GSM850 4UL 1DL 29 49 dBM 563 98 mA EGSM900 1UL 4DL 33 10 dBm 342 12 mA EG...

Page 100: ...50 43 mA GSM850 3UL 2DL 26 63 dBm 458 69 mA GSM850 4UL 1DL 26 54 dBm 575 9 mA EGSM900 1UL 4DL 27 05 dBm 240 84 mA EGSM900 2UL 3DL 27 13 dBm 356 9 mA EGSM900 3UL 2DL 27 28 dBm 464 04 mA EGSM900 4UL 1DL 27 19 dBm 581 18 mA DCS1800 1UL 4DL 26 04 dBm 227 2 mA DCS1800 2UL 3DL 25 98 dBm 322 96 mA DCS1800 3UL 2DL 25 71 dBm 415 19 mA DCS1800 4UL 1DL 25 46 dBm 517 24 mA PCS1900 1UL 4DL 26 14 dBm 209 57 mA ...

Page 101: ...28 dBm 862 03 mA LTE FDD B8 23 44 dBm 621 15 mA LTE FDD B20 23 36 dBm 824 42 mA LTE TDD B38 23 19 dBm 504 64 mA LTE TDD B40 23 17 dBm 440 76 mA LTE TDD B41 23 19 dBm 492 68 mA Description Conditions Typ Unit OFF state Power down 20 μA GSM GPRS supply current Sleep USB disconnected DRX 2 4 08 mA Sleep USB disconnected DRX 5 3 10 mA Sleep USB disconnected DRX 9 2 77 mA WCDMA supply current Sleep USB...

Page 102: ...Bm 196 60 mA PCS1900 PCL 7 16 23 dBm 158 40 mA PCS1900 PCL 15 0 62 dBm 135 50 mA WCDMA voice call B1 max power 23 24 dBm 548 13 mA B2 max power 23 40 dBm 575 70 mA B4 max power 23 20 dBm 561 35 mA B5 max power 23 47 dBm 558 00 mA B8 max power 23 5 dBm 557 10 mA GPRS data transfer GSM850 1UL 4DL 32 18 dBm 254 50 mA GSM850 2UL 3DL 32 00 dBm 410 70 mA GSM850 3UL 2DL 30 43 dBm 496 10 mA GSM850 4UL 1DL...

Page 103: ... 456 50 mA WCDMA data transfer B1 HSDPA 22 24 dBm 506 35 mA B2 HSDPA 22 44 dBm 535 10 mA B4 HSDPA 22 23 dBm 523 07 mA B5 HSDPA 22 38 dBm 513 13 mA B8 HSDPA 22 47 dBm 512 30 mA B1 HSUPA 22 2 dBm 516 00 mA B2 HSUPA 22 4 dBm 545 60 mA B4 HSUPA 21 93 dBm 527 93 mA B5 HSUPA 22 26 dBm 528 94 mA B8 HSUPA 22 dBm 507 70 mA LTE data transfer LTE FDD B2 23 05 dBm 710 01 mA LTE FDD B4 23 3 dBm 736 50 mA LTE F...

Page 104: ...rent Sleep USB disconnected DRX 6 3 7 mA Sleep USB disconnected DRX 7 3 1 mA Sleep USB disconnected DRX 8 2 8 mA Sleep USB disconnected DRX 9 2 7 mA LTE FDD supply current Sleep USB disconnected DRX 5 6 8 mA Sleep USB disconnected DRX 6 4 5 mA Sleep USB disconnected DRX 7 3 5 mA Sleep USB disconnected DRX 8 3 mA GSM voice call GSM850 PCL 5 33 1 dBm 369 49 mA GSM850 PCL 12 19 04 dBm 205 485 mA GSM8...

Page 105: ... 568 51 mA PCS1900 1UL 4DL 30 49 dBm 230 49 mA PCS1900 2UL 3DL 29 87 dBm 334 16 mA PCS1900 3UL 2DL 27 54 dBm 385 52 mA PCS1900 4UL 1DL 26 89dBm 464 14 mA EDGE data transfer GSM850 1UL 4DL 27 22 dBm 211 59 mA GSM850 2UL 3DL 25 95 dBm 287 5 mA GSM850 3UL 2DL 24 dBm 335 15 mA GSM850 4UL 1DL 22 92 dBm 393 81 mA PCS1900 1UL 4DL 26 67 dBm 200 204 mA PCS1900 2UL 3DL 25 19 dBm 289 62 mA PCS1900 3UL 2DL 23...

Page 106: ...23 44 dBm 749 6 mA LTE FDD B5 23 61 dBm 702 76 mA LTE FDD B7 23 50 dBm 866 24 mA LTE FDD B12 23 16 dBm 649 1 mA LTE FDD B13 23 04 dBm 684 23 mA LTE FDD B25 23 30 dBm 813 32 mA LTE FDD B26 23 44 dBm 805 7 mA Description Conditions Typ Unit OFF state Power down 20 μA GSM GPRS supply current Sleep USB disconnected DRX 2 3 31 mA Sleep USB disconnected DRX 5 2 30 mA Sleep USB disconnected DRX 9 2 01 mA...

Page 107: ... DRX 5 5 52 mA Sleep USB disconnected DRX 6 3 71 mA Sleep USB disconnected DRX 7 2 76 mA Sleep USB disconnected DRX 8 2 28 mA GSM voice call GSM850 PCL 5 32 96 dBm 268 mA GSM850 PCL 12 18 83 dBm 133 mA GSM850 PCL 19 5 31 dBm 109 mA EGSM900 PCL 5 32 96 dBm 267 mA EGSM900 PCL 12 19 21 dBm 137 mA EGSM900 PCL 19 5 60 dBm 108 mA DCS1800 PCL 0 29 93 dBm 202 mA DCS1800 PCL 7 16 29 dBm 152 mA DCS1800 PCL ...

Page 108: ...2 92 dBm 266 mA EGSM900 2UL 3DL 32 74 dBm 396 mA EGSM900 3UL 2DL 30 85 dBm 509 mA EGSM900 4UL 1DL 29 58 dBm 583 mA DCS1800 1UL 4DL 39 81 dBm 205 mA DCS1800 2UL 3DL 39 70 dBm 316 mA DCS1800 3UL 2DL 29 50 dBm 398 mA DCS1800 4UL 1DL 29 34 dBm 530 mA PCS1900 1UL 4DL 29 58 dBm 182 mA PCS1900 2UL 3DL 29 48 dBm 285 mA PCS1900 3UL 2DL 29 31 dBm 385 mA PCS1900 4UL 1DL 29 40 dBm 498 mA EDGE data transfer GS...

Page 109: ... mA PCS1900 2UL 3DL 26 07 dBm 257 mA PCS1900 3UL 2DL 25 81 dBm 345 mA PCS1900 4UL 1DL 25 70 dBm 436 mA WCDMA data transfer B1 HSDPA 23 02 dBm 517 mA B2 HSDPA 23 11 dBm 550 mA B5 HSDPA 22 68 dBm 486 mA B8 HSDPA 22 72 dBm 466 mA B1 HSUPA 22 39 dBm 521 mA B2 HSUPA 23 19 dBm 509 mA B5 HSUPA 22 44 dBm 503 mA B8 HSUPA 22 25 dBm 474 mA LTE data transfer LTE FDD B1 23 37 dBm 698 mA LTE FDD B3 23 06 dBm 70...

Page 110: ... LTE FDD supply current Sleep USB disconnected DRX 5 5 17 mA Sleep USB disconnected DRX 6 3 50 mA Sleep USB disconnected DRX 7 2 60 mA Sleep USB disconnected DRX 8 2 16 mA LTE TDD supply current Sleep USB disconnected DRX 5 5 40 mA Sleep USB disconnected DRX 6 3 53 mA Sleep USB disconnected DRX 7 2 62 mA Sleep USB disconnected DRX 8 2 17 mA WCDMA voice call B1 max power 22 80 dBm 460 mA B6 max pow...

Page 111: ... 40 dBm 637 mA LTE FDD B18 23 45 dBm 650 mA LTE FDD B19 23 42 dBm 642 mA LTE FDD B26 23 36 dBm 645 mA LTE TDD B41 23 23 dBm 451 mA Description Conditions Typ Unit OFF state Power down 20 μA GSM GPRS supply current Sleep USB disconnected DRX 2 3 58 mA Sleep USB disconnected DRX 5 2 46 mA Sleep USB disconnected DRX 9 2 13 mA WCDMA supply current Sleep USB disconnected DRX 6 2 99 mA Sleep USB disconn...

Page 112: ...ed DRX 8 2 17 mA GSM voice call GSM850 PCL 5 32 29 dBm 245 mA GSM850 PCL 12 19 04 dBm 127 mA GSM850 PCL 19 5 21 dBm 101 mA EGSM900 PCL 5 32 44 dBm 250 mA EGSM900 PCL 12 19 23 dBm 128 mA EGSM900 PCL 19 5 64 dBm 103 mA DCS1800 PCL 0 29 46 dBm 189 mA DCS1800 PCL 7 16 31 dBm 141 mA DCS1800 PCL 15 0 65 dBm 123 mA PCS1900 PCL 0 29 69 dBm 188 mA PCS1900 PCL 7 16 62 dBm 141 mA PCS1900 PCL 15 1 03 dBm 122 ...

Page 113: ...76 dBm 195 mA DCS1800 2UL 3DL 29 62 dBm 305 mA DCS1800 3UL 2DL 27 34 dBm 357 mA DCS1800 4UL 1DL 26 50 dBm 432 mA PCS1900 1UL 4DL 30 04 dBm 191 mA PCS1900 2UL 3DL 29 92 dBm 298 mA PCS1900 3UL 2DL 27 98 dBm 356 mA PCS1900 4UL 1DL 26 80 dBm 425 mA EDGE data transfer GSM850 1UL 4DL 26 39 dBm 171 mA GSM850 2UL 3DL 26 32 dBm 257 mA GSM850 3UL 2DL 24 39 dBm 310 mA GSM850 4UL 1DL 23 58 dBm 372 mA EGSM900 ...

Page 114: ...data transfer B1 HSDPA 22 48 dBm 494 mA B2 HSDPA 22 45 dBm 490 mA B5 HSDPA 22 41 dBm 510 mA B8 HSDPA 22 41 dBm 479 mA B1 HSUPA 21 85 dBm 496 mA B2 HSUPA 21 86 dBm 475 mA B5 HSUPA 21 46 dBm 489 mA B8 HSUPA 21 52 dBm 468 mA LTE data transfer LTE FDD B1 22 87 dBm 652 mA LTE FDD B2 22 97 dBm 713 mA LTE FDD B3 22 79 dBm 672 mA LTE FDD B5 23 03 dBm 641 mA LTE FDD B7 22 41 dBm 749 mA LTE FDD B8 23 22 dBm...

Page 115: ...30 dBm 2 dB 0 dBm 5 dB WCDMA B1 24 dBm 1 3 dB 49 dBm WCDMA B2 24 dBm 1 3 dB 49 dBm WCDMA B4 24 dBm 1 3 dB 49 dBm WCDMA B5 24 dBm 1 3 dB 49 dBm WCDMA B6 24 dBm 1 3 dB 49 dBm WCDMA B8 24 dBm 1 3 dB 49 dBm WCDMA B19 24 dBm 1 3 dB 49 dBm EVDO CDMA BC0 24 dBm 3 1 dB 49 dBm TD SCDMA B34 24 dBm 1 3 dB 49 dBm TD SCDMA B39 24 dBm 1 3 dB 49 dBm LTE FDD B1 23 dBm 2 dB 39 dBm LTE FDD B2 23 dBm 2 dB 39 dBm LTE...

Page 116: ...L R1 1 RF Receiving Sensitivity LTE FDD B8 23 dBm 2 dB 39 dBm LTE FDD B12 23 dBm 2 dB 39 dBm LTE FDD B13 23 dBm 2 dB 39 dBm LTE FDD B18 23 dBm 2 dB 39 dBm LTE FDD B19 23 dBm 2 dB 39 dBm LTE FDD B20 23 dBm 2 dB 39 dBm LTE FDD B25 23 dBm 2 dB 39 dBm LTE FDD B26 23 dBm 2 dB 39 dBm LTE FDD B28 23 dBm 2 dB 39 dBm LTE TDD B38 23 dBm 2 dB 39 dBm LTE TDD B39 23 dBm 2 dB 39 dBm LTE TDD B40 23 dBm 2 dB 39 d...

Page 117: ...m LTE FDD B5 10 MHz 98 3 dBm 99 5 dBm 101 7 dBm 94 3 dBm LTE FDD B8 10 MHz 98 2 dBm 99 dBm 101 dBm 93 3 dBm LTE TDD B38 10 MHz 98 3 dBm 98 dBm 99 dBm 96 3 dBm LTE TDD B39 10 MHz 98 5 dBm 98 8 dBm 99 5 dBm 96 3 dBm LTE TDD B40 10 MHz 98 8 dBm 98 6 dBm 101 dBm 96 3 dBm LTE TDD B41 10 MHz 98 5 dBm 98 dBm 101 dBm 94 3 dBm Frequency Bands Receiving Sensitivity Typ 3GPP SIMO Primary Diversity SIMO GSM85...

Page 118: ... B40 10 MHz 97 dBm 98 dBm 100 dBm 96 3 dBm LTE TDD B41 10 MHz 96 dBm 98 dBm 100 dBm 94 3 dBm Frequency Bands Receiving Sensitivity Typ 3GPP SIMO Primary Diversity SIMO GSM850 109 5 dBm 102 dBm EGSM900 109 5 dBm 102 dBm DCS1800 109 dBm 102 dBm PCS1900 109 dBm 102 dBm WCDMA B1 109 5 dBm 109 5 dBm 106 7 dBm WCDMA B5 110 dBm 110 dBm 104 7 dBm WCDMA B8 110 dBm 110 dBm 103 7 dBm LTE FDD B1 10 MHz 97 5 d...

Page 119: ...0 109 dBm 102 dBm WCDMA B1 110 dBm 110 dBm 113 dBm 106 7 dBm WCDMA B2 110 dBm 110 dBm 113 dBm 104 7 dBm WCDMA B4 110 dBm 110 dBm 113 dBm 106 7 dBm WCDMA B5 110 dBm 111 dBm 113 dBm 104 7 dBm WCDMA B8 110 dBm 103 7 dBm LTE FDD B2 10 MHz 98 dBm 99 dBm 102 dBm 94 3 dBm LTE FDD B4 10 MHz 97 5 dBm 98 dBm 101 dBm 96 3 dBm LTE FDD B5 10 MHz 99 5 dBm 99 5 dBm 102 5 dBm 94 3 dBm LTE FDD B7 10 MHz 97 dBm 99 ...

Page 120: ...12 dBm 114 dBm 104 7 dBm WCDMA B8 110 0 dBm 103 7 dBm LTE FDD B2 10 MHz 97 dBm 99 2 dBm 100 8 dBm 94 3 dBm LTE FDD B4 10 MHz 97 dBm 99 5 dBm 101 dBm 96 3 dBm LTE FDD B5 10 MHz 99 5 dBm 99 9 dBm 102 6 dBm 94 3 dBm LTE FDD B7 10 MHz 96 5 dBm 97 7 dBm 100 7 dBm 94 3 dBm LTE FDD B12 10 MHz 98 5 dBm 98 5 dBm 101 5 dBm 93 3 dBm LTE FDD B13 10 MHz 96 8 dBm 98 9 dBm 101 dBm 93 3 dBm LTE TDD B25 10 MHz 98 ...

Page 121: ...Bm 94 3 dBm LTE FDD B8 10 MHz 98 dBm 100 dBm 102 dBm 93 3 dBm LTE FDD B28 10 MHz 97 5 dBm 100 dBm 101 8 dBm 94 8 dBm LTE TDD B40 10 MHz 97 dBm 98 dBm 100 7 dBm 96 3 dBm Frequency Bands Receiving Sensitivity Typ 3GPP SIMO Primary Diversity SIMO WCDMA B1 110 dBm 110 dBm 113 dBm 106 7 dBm WCDMA B6 110 dBm 112 dBm 113 dBm 106 7 dBm WCDMA B8 110 dBm 110 dBm 113 dBm 103 7 dBm WCDMA B19 110 dBm 111 dBm 1...

Page 122: ...102 dBm WCDMA B1 110 dBm 110 dBm 113 dBm 106 7 dBm WCDMA B2 110 dBm 104 7 dBm WCDMA B5 110 dBm 104 7 dBm WCDMA B8 110 dBm 110 dBm 113 dBm 103 7 dBm LTE FDD B1 10 MHz 98 dBm 99 dBm 101 dBm 96 3 dBm LTE FDD B2 10 MHz 98 dBm 94 3 dBm LTE FDD B3 10 MHz 98 dBm 99 dBm 101 dBm 93 3 dBm LTE FDD B5 10 MHz 99 dBm 94 3 dBm LTE FDD B7 10 MHz 96 dBm 98 dBm 100 dBm 94 3 dBm LTE FDD B8 10 MHz 98 dBm 100 dBm 102 ...

Page 123: ...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 the SC20 series Table 67 ESD Characteristics Temperature 25 ºC Humidity 45 Tested Interfaces Contact Discharge Air Discharge Unit VBAT GND 5 10 kV All Antenna Interfaces...

Page 124: ...anical Information This chapter describes the mechanical dimensions of the module All dimensions are measured in millimeter mm and the tolerances for dimensions without tolerance values are 0 2 mm 8 1 Mechanical Dimensions Figure 42 Module Top and Side Dimensions ...

Page 125: ...Smart Module Series SC20_Series_Hardware_Design 124 133 Figure 43 Module Bottom Dimensions Top View The package warpage level of the module conforms to JEITA ED 7306 standard NOTE ...

Page 126: ... 2 Recommended Footprint Figure 44 Recommended Footprint Top View 1 For easy maintenance of the module keep at least 5 mm between the module and other components on the host PCB 2 All RESERVED pins should be kept open and MUST NOT be connected to ground NOTE ...

Page 127: ...26 133 8 3 Top and Bottom Views Figure 45 Top and Bottom Views of the Module Images above are for illustration purpose only and may differ from the actual module For authentic appearance and label please refer to the module received from Quectel NOTE ...

Page 128: ...lative humidity is less than 10 e g a drying cabinet 4 The module should be pre baked to avoid blistering cracks and inner layer separation in PCB under the following circumstances The module is not stored in Recommended Storage Condition Violation of the third requirement above occurs Vacuum sealed packaging is broken or the packaging has been removed for over 24 hours Before module repairing 5 I...

Page 129: ... 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 Apply proper force on the squeegee to produce a clean stencil surface on a single pass To guarantee module soldering quality the thickness of stencil for the module is recommended to be 0 18 0 20 mm For more details see document 4 The peak reflow temp...

Page 130: ...of the SMT process please contact Quectel Technical Supports in advance for any situation that you are not sure about or any process e g selective soldering that is not mentioned in document 4 9 3 Packaging Specification SC20 series is packaged in tape and reel carriers Each reel is 12 32 meters long and contains 200 modules The following figures show the package details measured in mm Factor Reco...

Page 131: ...e 47 Tape Dimensions Figure 48 Reel Dimensions Table 69 Reel Packaging Model Name MOQ for MP Minimum Package 200 pcs Minimum Package 4 800 pcs SC20 series 200 pcs Size 370 mm 350 mm 85 mm N W 1 92 kg G W 3 17 kg Size 380 mm 365 mm 365 mm N W 7 68 kg G W 13 63 kg ...

Page 132: ...ies_GPIO_Configuration 3 Quectel_RF_Layout_Application_Note 4 Quectel_Module_Secondary_SMT_Application_Note 5 Quectel_SC20_Series_Reference_Design Abbreviation Description ADC Analog to Digital Converter AMR Adaptive Multi rate AP Access Point bps Bits per Second CDMA Code Division Multiple Access CS Coding Scheme CSD Circuit Switched Data CSI Camera Serial Interface CTS Clear to Send DC Dual Carr...

Page 133: ...quivalent Series Resistance FDD Frequency Division Duplex FR Full Rate GMSK Gaussian Minimum Shift Keying GNSS Global Navigation Satellite System GPIO General Purpose Input Output GPRS General Packet Radio Service GPS Global Positioning System GPU Graphics Processing Unit GSM Global System for Mobile Communications HR Half Rate HSDPA High Speed Downlink Packet Access HSPA High Speed Packet Access ...

Page 134: ...ise Amplifier LTE Long Term Evolution MCS Modulation and Coding Scheme MIPI Mobile Industry Processor Interface NTC Negative Temperature Coefficient PCB Printed Circuit Board PDU Protocol Data Unit PWM Pulse Width Modulation PSK Phase Shift Keying QAM Quadrature Amplitude Modulation QPSK Quadrature Phase Shift Keying RF Radio Frequency RTC Real Time Clock RTS Request to Send Rx Receive SAW Surface...

Page 135: ...al Mobile Telecommunications System USB Universal Serial Bus U SIM Universal Subscriber Identity Module VBAT Voltage at Battery Pin Vmax Maximum Voltage Vmin Minimum Voltage Vnom Nominal Voltage VI Voltage Input VIHmin Minimum High level Input Voltage VILmax Maximum Low level Input Voltage VOHmax Maximum High level Output Voltage VOHmin Minimum High level Output Voltage VOLmax Maximum Low level Ou...

Page 136: ... regulations limiting both maximum RF output power and human exposure to RF radiation maximum External Antenna gain including cable loss must not exceed radiation maximum antenna gain including cable loss must not exceed Operating Band FCC Max Antenna Gain dBi FCC Max Antenna Gain dBi SC20 AX SC20 AX without 2 3G version GSM850 3 NA GSM1900 1 NA WCDMA BAND II 8 NA WCDMA BAND IV 5 NA WCDMA BAND V 9...

Page 137: ... changes or modifications not expressly approved by the party responsible for compliance could void the user s authority to operate the equipment In cases where the manual is provided only in a form other than paper such as on a computer disk or over the Internet the information required by this section may be included in the manual in that alternative form provided the user can reasonably be expe...

Page 138: ... all times when installed in the host product otherwise the host product must be labeled to display the Innovation Science and Economic Development Canada certification number for the module preceded by the word Contains or similar wording expressing the same meaning as follows Contains IC 10224A 2022SC20AX or where 10224A 2022SC20AX is the module s certification number Le produit hôte doit être c...

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