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Smart LTE Module Series

SC650T Hardware Design

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If RTC is ineffective, it can be synchronized through network after the module is powered on.



2.0V~3.25V input voltage range and 3.0V typical value for VRTC, when VBAT is disconnected.



When powered by VBAT, the RTC error is 50ppm. When powered by VRTC, the RTC error is about

200ppm.



If the rechargeable battery is used, the ESR of battery should be less than 2K, and it is

recommended to use the MS621FE FL11E of SEIKO.

3.7. Power Output

SC650T supports output of regulated voltages for peripheral circuits. During application, it is

recommended to use parallel capacitors (33pF and 10pF) in the circuit to suppress high frequency noise.

Table 6: Power Description

Pin Name

Default Voltage (V)

Drive Current (mA)

Idle

LDO5_1P8

1.8

Keep

LDO6_1P8

1.8

300

LDO10_2P8

2.8

150

LDO17_2P85

2.85

300

LDO13_3P075

3.125

150

LDO2_1P1

1.1

1200

LDO22_2P8

2.8

150

LDO23_1P2

1.2

600

SD_LDO12

1.8/2.95

SD_LDO11

2.95

800

USIM1_VDD

1.8/2.95

USIM2_VDD

1.8/2.95

Содержание Smart LTE Module Series

Страница 1: ...SC650T Hardware Design Smart LTE Module Series Rev SC650T_Hardware_Design_V1 1 Date 2019 03 01 Status Preliminary www quectel com...

Страница 2: ...S 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 INFO...

Страница 3: ...Smart LTE Module Series SC650T Hardware Design SC650T_Hardware_Design 2 131 About the Document History Revision Date Author Description 1 0 2019 02 26 Arsene Initial...

Страница 4: ...ly Pins 39 3 4 2 Decrease Voltage Drop 39 3 4 3 Reference Design for Power Supply 40 3 5 Turn on and off Scenarios 41 3 5 1 Turn on Module Using the PWRKEY 41 3 5 2 Turn off Module 43 3 6 VRTC Interfa...

Страница 5: ...idelines 86 6 Antenna Interfaces 87 6 1 Main Rx diversity Antenna Interfaces 87 6 1 1 Main and Rx diversity Antenna Interfaces Reference Design 88 6 1 2 Reference Design of RF Layout 89 6 2 Wi Fi BT A...

Страница 6: ...E Module Series SC650T Hardware Design SC650T_Hardware_Design 5 131 9 Storage Manufacturing and Packaging 106 9 1 Storage 106 9 2 Manufacturing and Soldering 107 9 3 Packaging 108 10 Appendix A Refere...

Страница 7: ...ABLE 19 PIN DEFINITION OF VIBRATOR DRIVE INTERFACE 61 TABLE 20 PIN DEFINITION OF LCM INTERFACES 62 TABLE 21 PIN DEFINITION OF TOUCH PANEL INTERFACES 66 TABLE 22 PIN DEFINITION OF CAMERA INTERFACES 67...

Страница 8: ...5 SC650T EM CURRENT CONSUMPTION 98 TABLE 46 SC650T NA RF OUTPUT POWER 99 TABLE 47 SC650T EM RF OUTPUT POWER 99 TABLE 48 SC650T NA RF RECEIVING SENSITIVITY X 100 TABLE 49 SC650T EM RF RECEIVING SENSITI...

Страница 9: ...GURE 20 REFERENCE CIRCUIT DESIGN FOR LCM0 INTERFACE 64 FIGURE 21 REFERENCE CIRCUIT DESIGN FOR LCM1 INTERFACE 65 FIGURE 22 REFERENCE DESIGN OF LCM EXTERNAL BACKLIGHT DRIVING CIRCUIT 65 FIGURE 23 REFERE...

Страница 10: ...42 DIMENSIONS OF THE U FL R SMT CONNECTOR UNIT MM 94 FIGURE 43 MECHANICALS OF U FL LP CONNECTORS 95 FIGURE 44 SPACE FACTOR OF MATED CONNECTOR UNIT MM 95 FIGURE 45 MODULE TOP AND SIDE DIMENSIONS 102 FI...

Страница 11: ...TNA Contains IC 10224A 19SC650TNA The FCC ID IC ID can be used only when all FCC IC compliance requirements are met In the event that these conditions cannot be met for example certain laptop configur...

Страница 12: ...ttre le fonctionnement The device could automatically discontinue transmission in case of absence of information to transmit or operational failure Note that this is not intended to prohibit transmiss...

Страница 13: ...itter 10224A 19SC650TNA has been approved by Innovation Science and Economic Development Canada to operate with the antenna types listed below with the maximum permissible gain indicated Antenna types...

Страница 14: ...hardware interface which are connected with customers applications This document can help customers quickly understand module interface specifications electrical and mechanical details as well as oth...

Страница 15: ...e consult the airline staff for more restrictions on the use of wireless devices on boarding the aircraft Wireless devices may cause interference on sensitive medical equipment so please be aware of t...

Страница 16: ...sitioning systems Support multiple audio and video codecs Built in high performance AdrenoTM 506 graphics processing unit Provide multiple audio and video input output interfaces as well as abundant G...

Страница 17: ...computing devices PDA phone tablet PC etc 2 2 Key Features The following table describes the detailed features of SC650T module Table 3 SC650T Key Features Features Details Application Processor SC65...

Страница 18: ...ding up to 1080P 60fps Audio Interfaces Audio Input Two analog microphone inputs two digital microphone inputs integrating internal bias voltage Audio Output Class AB stereo headphone output Class AB...

Страница 19: ...upported Antenna Interfaces Main antenna Rx diversity antenna GNSS antenna and Wi Fi BT antenna interfaces Physical Characteristics Size 43 0 0 15 mm 44 0 0 15 mm 2 85 0 2 mm Package LCC LGA Weight ap...

Страница 20: ...oard In order to help customers develop applications with SC650T conveniently Quectel supplies the evaluation board USB to RS232 converter cable USB Type C data cable power adapter earphone antenna an...

Страница 21: ...ers provide the detailed description of pins interfaces listed below Power supply VRTC interface Charging interface USB interface UART interfaces U SIM interfaces SD card interface GPIO interfaces I2C...

Страница 22: ...Smart LTE Module Series SC650T Hardware Design SC650T_Hardware_Design 21 131 3 2 Pin Assignment The following figure shows the pin assignment of SC650T module Figure 1 Pin Assignment Top View...

Страница 23: ...l characteristics Table 5 Pin Description Power Supply Pin Name Pin No I O Description DC Characteristics Comment VBAT 36 37 38 PI PO Power supply for the battery Vmax 4 4V Vmin 3 55V Vnorm 3 8V It mu...

Страница 24: ...eep this pin open LDO6_1P8 10 PO 1 8V output power supply Vnorm 1 8V IOmax 300mA Power supply for I O VDD of cameras LCDs and sensors Add a 1 0uF 2 2uF bypass capacitor if used If unused keep this pin...

Страница 25: ...ly Vnorm 2 8V IOmax 150mA Power supply for AVDD of cameras Add a 1 0uF 4 7uF bypass capacitor if used If unused keep this pin open GND 3 4 18 20 3 1 34 35 40 43 47 56 6 2 87 98 10 1 112 125 128 130 13...

Страница 26: ...MIC1_P 218 AI Analog microphone positive input for channel 1 AMIC1_M 217 AI Analog microphone negative input for channel 1 AMIC2_P 216 AI Analog microphone positive input for headset AMIC2_M 215 AI An...

Страница 27: ...171 AI USB 3 0 differential receive plus USB 3 0 standard compliant 90 differential impedance USB_SS_RX _M 172 AI USB 3 0 differential receive minus USB_SS_TX_ P 174 AO USB 3 0 differential transmit...

Страница 28: ...U SIM1 card power supply 1 8V U SIM Vmax 1 85V Vmin 1 75V 2 95V U SIM Vmax 3 1V Vmin 2 8V Either 1 8V or 2 95V U SIM card is supported USIM2_DET 256 DI U SIM2 card detection VILmax 0 63V VIHmin 1 17V...

Страница 29: ...fault VILmax 0 63V VIHmin 1 17V UART4_TXD 7 DO UART4 transmit data VOLmax 0 45V VOHmin 1 35V UART4_RXD 8 DI UART4 receive data VILmax 0 63V VIHmin 1 17V UART5_RXD 198 DI UART5 receive data VILmax 0 63...

Страница 30: ...0 37V VOHmin 2 2V SD_DATA1 67 IO SD_DATA2 66 IO SD_DATA3 65 IO SD_DET 64 DI SD card insertion detection VILmax 0 63V VIHmin 1 17V Active low SD_LDO11 63 PO Power supply for SD card Vnorm 2 95V IOmax 8...

Страница 31: ...BIAS_P 21 PO LCD positive bias voltage LCD_BIAS_N 22 AI LCD negative bias voltage WLED_EN 158 DO LCD enable for backlight WLED_PWM 30 DO PWM signal output LCD0_RST 127 DO LCD0 reset signal VOLmax 0 45...

Страница 32: ...tive DSI1_CLK_N 103 AO LCD1 MIPI clock signal negative DSI1_CLK_P 102 AO LCD1 MIPI clock signal positive DSI1_LN0_N 105 AO LCD1 MIPI lane 0 data signal negative DSI1_LN0_P 104 AO LCD1 MIPI lane 0 data...

Страница 33: ...era positive CSI0_LN1_N 93 AI MIPI lane 1 data signal of rear camera negative CSI0_LN1_P 92 AI MIPI lane 1 data signal of rear camera positive CSI0_LN2_N 95 AI MIPI lane 2 data signal of rear camera n...

Страница 34: ...5V 1 8V power domain SCAM_MCLK 100 DO Master clock signal of front camera VOLmax 0 45V VOHmin 1 35V 1 8V power domain MCAM_RST 74 DO Reset signal of rear camera VOLmax 0 45V VOHmin 1 35V 1 8V power do...

Страница 35: ...en VOL_DOWN 147 DI Volume down VILmax 0 63V VIHmin 1 17V If unused keep this pin open SENSOR_I2C Interfaces Pin Name Pin No I O Description DC Characteristics Comment SENSOR_I2C _SCL 131 OD I2C clock...

Страница 36: ...connected Antenna Interfaces Pin Name Pin No I O Description DC Characteristics Comment ANT_MAIN 19 IO Main antenna interface 50 impedance ANT_DRX 149 AI Diversity antenna interface ANT_GNSS 134 AI G...

Страница 37: ...GPIO GPIO_60 232 IO GPIO GPIO_90 231 IO GPIO GPIO_97 229 IO GPIO GPIO_98 177 IO GPIO GPIO_99 178 IO GPIO GPIO_105 242 IO GRFC1 GRFC is only used for RF Tuner control GPIO_107 241 IO GRFC2 SPI Interfac...

Страница 38: ...3 IO Data2 signal of I2S interface I2S_1_D3 214 IO Data3 signal of I2S interface Vibrator Drive Interface Pin Name Pin No I O Description DC Characteristics Comment VIB_DRV 161 AO Vibrator drive Conne...

Страница 39: ...emergency download mode Other Interfaces Pin Name Pin No I O Description DC Characteristics Comment GNSS_LNA_ EN 202 DO LNA enable signal If unused keep this pin open OPTION 211 DI Choose different ch...

Страница 40: ...a transient peak current up to 3A If the power supply capability is not sufficient there will be voltage drops and if the voltage drops below 3 1V the module will be powered off automatically Therefo...

Страница 41: ...ower for SC650T But if battery is not intended to be used it is recommended to use a regulator for SC650T If the voltage difference between the input and output is not too high it is suggested to use...

Страница 42: ...ic shutdown so the design of power supply should be consistent with the configuration of fuel gauge driver 3 5 Turn on and off Scenarios 3 5 1 Turn on Module Using the PWRKEY The module can be turned...

Страница 43: ...S1 TVS 1K Figure 6 Turn on the Module Using Keystroke The turning on scenario is illustrated in the following figure VBAT Type 3 8V PWRKEY 1 6s Others LDO5_1P8 38s LDO6_1P8 61 2ms Software controlled...

Страница 44: ...urn 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 scenario is illustrated in the following figure VBAT PWRKEY Others 8s...

Страница 45: ...ery should be less than 2K and it is recommended to use the MS621FE FL11E of SEIKO 3 7 Power Output SC650T supports output of regulated voltages for peripheral circuits During application it is recomm...

Страница 46: ...ult the system will switch to CC mode The charging current is programmable from 300mA 3000mA The default charging current is 500mA for USB charging and 2A for adapter Constant voltage mode CV mode Whe...

Страница 47: ...dable state of charge estimate throughout the entire life of the battery and across a broad range of operating conditions It effectively protects the battery from over discharging and also allows user...

Страница 48: ...f 90 USB_DP 32 IO USB 2 0 USB differential data bus plus USB_SS_RX_P 171 AI USB 3 0 differential receive plus Require differential impedance of 90 USB_SS_RX_M 172 AI USB 3 0 differential receive minus...

Страница 49: ...B1 B1 C0 C0 C1 C1 SEL PD USB_SS_TX_P USB_SS_TX_M USB_SS_RX_P USB_SS_RX_M CC_OUT R1 VDD 4 7uF C1 VDD_3V TX2 TX2 VBUS_ VBUS CC1 D D RX2 RX2 CC2 CC1 CC2 TX1 TX1 RX1 RX1 USB 3 0 C6 C7 C8 C9 C10 C11 C12 C1...

Страница 50: ...ngth Difference DP DM 33 USB_DM 40 02 0 04 32 USB_DP 39 99 171 USB_SS_RX_P 27 89 0 01 172 USB_SS_RX_M 27 90 174 USB_SS_TX_P 21 51 0 91 175 USB_SS_TX_M 22 42 3 10 UART Interfaces The module provides th...

Страница 51: ...uld be used if customers application is equipped with a 3 3V UART interface A level translator chip TXS0104EPWR provided by Texas Instruments is recommended The following figure shows a reference desi...

Страница 52: ...er to UART5 reference circuit design for UART2 UART4 and UART6 s 3 11 U SIM Interfaces SC650T provides two U SIM interfaces which both meet ETSI and IMT 2000 requirements Dual SIM Dual Standby is supp...

Страница 53: ...to USIM2_VDD with a 10K resistor USIM2_VDD 210 PO U SIM2 card power supply Either 1 8V or 2 95V U SIM card is supported SC650T supports U SIM card hot plug via the USIM_DET pin which is disabled by de...

Страница 54: ...citance should not exceed 1uF The capacitor should be placed near to U SIM card To avoid cross talk between USIM_DATA and USIM_CLK keep them away from each other and shield them with ground USIM_RST a...

Страница 55: ...tection Active low A reference circuit for SD card interface is shown as below SD_CMD 120K NM_51K SD_DATA3 SD_DATA2 LDO5_1P8 SD_CLK SD_DATA0 SD_DET SD_DATA1 P1 DAT2 P2 CD DAT3 P3 CMD P4 VDD P5 CLK P8...

Страница 56: ...as 50 10 and ground shielding is required The total trace length difference between CLK and other signal line traces should not exceed 1mm Table 13 SD Card Signal Trace Length Inside the Module Pin N...

Страница 57: ...ukp Wakeup UART4_RXD 8 GPIO_13 B PD nppukp Wakeup SENSOR_I2C_SDA 132 GPIO_14 B PD nppukp SENSOR_I2C_SCL 131 GPIO_15 B PD nppukp UART5_TXD 199 GPIO_16 B PD nppukp UART5_RXD 198 GPIO_17 B PD nppukp Wake...

Страница 58: ...GPIO_43 253 GPIO_43 B PD nppukp Wakeup GPIO_44 254 GPIO_44 B PD nppukp Wakeup GPIO_45 255 GPIO_45 B PD nppukp Wakeup GPIO_46 153 GPIO_46 B PD nppukp Wakeup GPIO_48 240 GPIO_48 B PD nppukp Wakeup GPIO...

Страница 59: ...pukp I2S_1_D3 214 GPIO_95 B PD nppukp WSA_EN 230 GPIO_96 B PD nppukp GPIO_97 229 GPIO_97 B PD nppukp Wakeup GPIO_98 177 GPIO_98 B PD nppukp GPIO_99 178 GPIO_99 B PD nppukp GPIO_105 242 GPIO_105 B PD n...

Страница 60: ...Description Comment TP0_I2C_SCL 140 OD I2C clock signal of touch panel Used for TP0 TP0_I2C_SDA 206 OD I2C data signal of touch panel TP1_I2C_SCL 205 OD I2C clock signal of touch panel Used for TP1 T...

Страница 61: ...n of SPI interface Can be multiplexed into SPI_MOSI UART6_RXD 61 DI Master in salve out of SPI interface Can be multiplexed into SPI_MISO FP_SPI_CS0 203 DO Chip selection signal of SPI interface Used...

Страница 62: ...of ADC Interfaces Pin Name Pin No I O Description Comment PMU_MPP4 152 AI General purpose ADC interface Maximum input voltage 1 7V PMU_MPP2 151 AI General purpose ADC interface Maximum input voltage...

Страница 63: ...p to eight lanes Table 20 Pin Definition of LCM Interfaces Pin Name Pin No I O Description Comment LDO6_1P8 10 PO 1 8V output power supply for LCM logic circuit and DSI LDO17_2P85 12 PO 2 85V output p...

Страница 64: ...DSI0_LN2_P 121 AO LCD0 MIPI lane 2 data signal positive DSI0_LN3_N 124 AO LCD0 MIPI lane 3 data signal negative DSI0_LN3_P 123 AO LCD0 MIPI lane 3 data signal positive DSI1_CLK_N 103 AO LCD1 MIPI cloc...

Страница 65: ...MIPI_TDP2 MIPI_TDN2 GND MIPI_TDP1 MIPI_TDN1 GND LDO 6_1P8 1 2 3 4 5 6 7 8 9 10 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 MIPI_TDP0 MIPI_TDN0 GND MIPI_TCP MIPI_TCN 29 28 30 3 4 5 6 3 4 5 6 3 4 5...

Страница 66: ..._BIAS_N 1uF C1 10V 1uF C2 10V Figure 20 Reference Circuit Design for LCM1 Interface MIPI are high speed signal lines It is recommended that common mode filters should be added in series near the LCM c...

Страница 67: ...ply for TP VDD power Vnorm 2 8V IOmax 150mA LDO6_1P8 10 PO 1 8V output power supply Pull up power supply of I2C Vnorm 1 8V IOmax 300mA TP0_INT 139 DI Interrupt signal of touch panel TP0 TP0_RST 138 DO...

Страница 68: ...standard MIPI CSI input interface SC650T module supports 2 cameras 4 lane 4 lane with maximum pixels up to 24MP The video and photo quality are determined by various factors such as camera sensor cam...

Страница 69: ...ignal of rear camera positive CSI0_LN3_N 97 AI MIPI lane 3 data signal of rear camera negative CSI0_LN3_P 96 AI MIPI lane 3 data signal of rear camera positive CSI2_CLK_N 78 AI MIPI clock signal of fr...

Страница 70: ...a SCAM_RST 72 DO Reset signal of front camera SCAM_PWDN 71 DO Power down signal of front camera CAM_I2C_SCL 75 OD I2C clock signal of camera CAM_I2C_SDA 76 OD I2C data signal of camera DCAM_MCLK 194 D...

Страница 71: ...I2_CLK_P CSI2_CLK_N LDO6_1P8 LDO2_1P1 LDO22_2P8 2 2K 2 2K Front camera connector 4 7uF 1uF 1uF MCAM_RST EMI EMI EMI EMI EMI EMI EMI EMI EMI EMI LDO17_2P85 AVDD AF_VDD DVDD DOVDD 1uF CSI0_LN0_P CSI0_LN...

Страница 72: ...nded to maintain the intra lane spacing as trace width and the inter lane spacing as two times of the trace width Any cut or hole on GND reference plane under MIPI signals should be avoided It is reco...

Страница 73: ...12 0 65 108 DSI1_LN2_P 14 47 111 DSI1_LN3_N 16 15 0 01 110 DSI1_LN3_P 16 14 89 CSI0_CLK_N 17 80 0 06 88 CSI0_CLK_P 17 86 91 CSI0_LN0_N 17 73 0 01 90 CSI0_LN0_P 17 73 93 CSI0_LN1_N 12 98 0 03 92 CSI0_...

Страница 74: ...ut current up to 1 5A in flash mode and 300mA in torch mode The default output current is 1A in flash mode and 300mA in torch mode Table 24 Pin Definition of Flashlight Interfaces Pin Name Pin No I O...

Страница 75: ...sensor GPIO_44 254 DI Interrupt signal of direction sensor compass GPIO_42 252 DI Interrupt signal of acceleration sensor GPIO_45 255 DI Interrupt signal of gyroscopic sensor 3 23 Audio Interfaces SC...

Страница 76: ...er clock interface External connect to WSA8810 WSA8815 PDM_DATA 54 AO External audio power amplifier data interface External connect to WSA8810 WSA8815 WSA_EN 230 DO External audio power amplifier ena...

Страница 77: ...rophone Interfaces AMICx_P ECM MIC R2 R1 Module AMICx_M 0R 0R R3 1 1K MIC_BIASn R4 1 1K 0 1uF C1 Figure 25 Reference Circuit Design for Analog ECM type Microphone AMICx_P MEMS MIC R2 R1 Module AMICx_M...

Страница 78: ...DMIC_CLK NC MIC_BIAS NC 10uF C3 DMIC_CLK DMIC_DATA GND VDD L R NC Figure 27 Reference Circuit Design for Digital Microphone 3 23 2 Reference Circuit Design for Earpiece Interface EAR_P EAR_N R2 NM_33...

Страница 79: ...2pF C1 C2 WSA8810 WSA8815 D1 D2 GND VPH_PWR LDO5_1P8 WSA_EN PDM_CLK PDM_DATA EARP EA RN Module GND VPH_PWR LDO5_1P8 WSA_EN PDM_CLK PDM_DATA F2 F1 12V 12V Figure 30 Reference Circuit Design for Loudspe...

Страница 80: ...ired In order to decrease radio or other signal interference RF antennas should be placed away from audio interfaces and audio traces Power traces cannot be parallel with and also should be far away f...

Страница 81: ...ed LED light The output current does not exceed 12mA LED_GRN 24 PO Green LED light The output current does not exceed 12mA LED_BLU 25 PO Blue LED light The output current does not exceed 12mA A refere...

Страница 82: ...dual band WLAN wireless communication based on IEEE 802 11a b g n ac standard protocols The maximum data rate is up to 433Mbps The features are as below Support Wake on WLAN WoWLAN Support ad hoc mode...

Страница 83: ...11n HT20 MCS0 17dBm 2 5dB 802 11n HT20 MCS7 16dBm 2 5dB 802 11n HT40 MCS0 17dBm 2 5dB 802 11n HT40 MCS7 16dBm 2 5dB 802 11ac VHT20 MCS0 16dBm 2 5dB 802 11ac VHT20 MCS8 15dBm 2 5dB 802 11ac VHT40 MCS0...

Страница 84: ...MAC and PHY October 2009 IEEE 802 11 2007 WLAN MAC and PHY June 2007 IEEE Std 802 11b IEEE Std 802 11d IEEE Std 802 11e IEEE Std 802 11g IEEE Std 802 11i IEEE 802 11 2007 WLAN MAC and PHY June 2007 4...

Страница 85: ...th 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 4 2 1 BT Performance Th...

Страница 86: ...LONASS and BeiDou With an embedded LNA the module provides greatly improved positioning accuracy 5 1 GNSS Performance The following table lists the GNSS performance of SC650T module in conduction mode...

Страница 87: ...nents should be placed far away from high speed circuits switched mode power supplies power inductors the clock circuit of single chip microcomputers etc For applications with harsh electromagnetic en...

Страница 88: ...Definition of Main Rx diversity Antenna Interfaces Pin Name Pin No I O Description Comment ANT_MAIN 19 IO Main antenna interface 50 impedance ANT_DRX 149 AI Diversity and MIMO antenna interface 50 im...

Страница 89: ...MHz LTE FDD B20 791 821 832 862 MHz LTE FDD B28 758 803 703 748 MHz 6 1 1 6 1 1 6 1 1 Main and Rx diversity Antenna Interfaces Reference Design A reference circuit design for main and Rx diversity an...

Страница 90: ...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...

Страница 91: ...RF pins should not be designed as thermal relief pads and should be fully connected to ground The distance between the RF pins and the RF connector should be as short as possible and all the right an...

Страница 92: ...Table 37 Wi Fi BT Frequency Type Frequency Unit 802 11a b g n ac 2402 2482 5180 5825 MHz BT4 2 LE 2402 2480 MHz A reference circuit design for Wi Fi BT antenna interface is shown as below A type matc...

Страница 93: ...ive ceramic antennas and other types of passive antennas A reference circuit design is given below Passive Antenna Module ANT_GNSS NM C1 C2 R1 C4 NM 0R Figure 39 Reference Circuit Design for GNSS Pass...

Страница 94: ...NSS Active Antenna 6 4 Antenna Installation 6 4 1 Antenna Requirements The following table shows the requirements on main antenna Rx diversity Wi Fi BT antenna and GNSS antenna Table 40 Antenna Requir...

Страница 95: ...17dBi Typ 1 It is recommended to use a passive GNSS antenna when LTE B13 or B14 is supported as the use of active antenna may generate harmonics which will affect the GNSS performance 6 4 2 Recommend...

Страница 96: ...gn SC650T_Hardware_Design 95 131 Figure 42 Mechanicals of U FL LP Connectors The following figure describes the space factor of mated connector Figure 43 Space Factor of Mated Connector Unit mm For mo...

Страница 97: ...d in the following table Table 41 Absolute Maximum Ratings Parameter Min Max Unit VBAT 0 5 6 V USB_VBUS 0 5 20 V Current on VBAT 0 3 A Voltage on Digital Pins 0 3 2 3 V 7 2 Power Supply Ratings Table...

Страница 98: ...e temperature range 40 90 C 1 1 Within operation temperature range the module is 3GPP compliant 2 2 Within extended temperature range the module remains the ability to establish and maintain a voice S...

Страница 99: ...wer 591 mA LTE FDD B4 max power 566 mA LTE FDD B5 max power 540 mA LTE FDD B7 max power 654 mA LTE FDD B12 max power 541 mA LTE FDD B13 max power 561 mA LTE FDD B14 max power 532 mA LTE FDD B25 max po...

Страница 100: ...wer of SC650T module Table 46 SC650T NA RF Output Power Frequency Max Min LTE FDD B2 23dBm 2dB 39dBm LTE FDD B4 23dBm 2dB 39dBm LTE FDD B5 23dBm 2dB 39dBm LTE FDD B7 23dBm 2dB 39dBm LTE FDD B12 23dBm...

Страница 101: ...y Typ 3GPP SIMO Primary Diversity SIMO LTE FDD B2 10M 99 5dBm 100 4dBm 102 9dBm 94 3dBm LTE FDD B4 10M 98 7dBm 99 6dBm 102 3dBm 96 3dBm LTE FDD B5 10M 100 3dBm 99 7dBm 103 6dBm 94 3dBm LTE FDD B7 10M...

Страница 102: ...sing handling and operation of any application that incorporates the module The following table shows the electrostatic discharge characteristics of SC650T module Table 50 ESD Characteristics Temperat...

Страница 103: ...imensions 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 05mm 8 1 Mechanic...

Страница 104: ...Smart LTE Module Series SC650T Hardware Design SC650T_Hardware_Design 103 131 Figure 45 Module Bottom Dimensions Top View...

Страница 105: ...sign 104 131 8 2 Recommended Footprint Figure 46 Recommended Footprint Top View 1 For easy maintenance of the module keep about 3mm between the module and other components on host PCB 2 All RESERVED p...

Страница 106: ..._Design 105 131 8 3 Top and Bottom View of the Module Figure 47 Top View of the Module Figure 48 Bottom View of the Module These are renderings of SC650T module For authentic dimension and appearance...

Страница 107: ...rs at the factory environment of 30 C 60 RH Stored at 10 RH 3 Devices require baking before mounting if any circumstance below occurs When the ambient temperature is 23 C 5 C and the humidity indicati...

Страница 108: ...e details please refer to document 4 It is suggested that the peak reflow temperature is 240 245 C and the absolute maximum reflow temperature is 245 C To avoid damage to the module caused by repeated...

Страница 109: ...reel carriers Each reel is 330mm in diameter and contains 200 modules The following figures show the package details measured in mm Figure 50 Tape Dimensions Reflow Zone Max slope 2 to 3 C sec Reflow...

Страница 110: ...650T_Hardware_Design 109 131 Figure 51 Reel Dimensions Table 52 Reel Packaging Model Name MOQ for MP Minimum Package 200pcs Minimum Package 4 800pcs SC650T 200 Size 398mm 383mm 83mm N W 1 92kg G W 3 6...

Страница 111: ...pplication_Note RF Layout Application Note 4 Quectel_Module_Secondary_SMT_User_Guide Module Secondary SMT User Guide 5 Quectel_SC650T_Reference_Design Reference Design for SC650T Table 54 Terms and Ab...

Страница 112: ...D Liquid Crystal Display LCM LCD Module LED Light Emitting Diode LNA Low Noise Amplifier LRA Linear Resonant Actuator MIPI Mobile Industry Processor Interface PCB Printed Circuit Board PDU Protocol Da...

Страница 113: ...sal Mobile Telecommunications System U SIM Universal Subscriber Identity Module Vmax Maximum Voltage Value Vnorm Normal Voltage Value Vmin Minimum Voltage Value VI Voltage Input VIHmin Minimum Input H...

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