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EC200U Series Hardware Design LTE Standard Module Series Version: 1.1.0 Date: 2022-03-01 Status: Preliminary...
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LTE Standard Module Series At Quectel, our aim is to provide timely and comprehensive services to our customers. If you require any assistance, please contact our headquarters: Quectel Wireless Solutions Co., Ltd. Building 5, Shanghai Business Park Phase III (Area B), No.1016 Tianlin Road, Minhang District, Shanghai...
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Except as otherwise set forth herein, nothing in this document shall be construed as conferring any rights to use any trademark, trade name or name, abbreviation, or counterfeit product thereof owned by Quectel or any third party in advertising, publicity, or other aspects.
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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 customers’ failure to comply with these precautions.
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LTE Standard Module Series About the Document Revision History Version Date Author Description King MA/ 2021-10-08 Creation of the document Nathan LIU King MA/ 2021-11-05 First official release Nathan LIU Reuben WANG/ 1.1.0 2022-03-01 Added the related content of EC200U-AU Nathan LIU EC200U_Series_Hardware_Design 4 / 94...
LTE Standard Module Series Contents Safety Information ............................3 About the Document ........................... 4 Contents ............................... 1 Table Index ..............................4 Figure Index ..............................6 Introduction ............................8 1.1. Special Marks ..........................8 Product Overview ..........................9 2.1. General Description ........................9 2.2.
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LTE Standard Module Series 3.13. PCM Interface .......................... 45 3.14. Analog Audio Interfaces ......................46 3.14.1. Notes on Audio Interface Design ................... 47 3.14.2. Microphone Interface Circuit ..................47 3.14.3. Loudspeaker Interface Circuit ..................48 3.15. LCD Interface ........................... 49 3.16.
LTE Standard Module Series 7.3.3. Packaging Process ......................91 Appendix References ........................92 EC200U_Series_Hardware_Design 3 / 94...
EC200U series module. To facilitate its application in different fields, relevant reference design is also provided for customers’ reference. Associated with application note and user guide, you can use EC200U series module to design and set up wireless applications easily.
GSM is optional. GNSS function is optional. EC200U series supports Bluetooth and Wi-Fi Scan functions. Due to the shared antenna interface, the two functions cannot be used at the same time; Bluetooth and Wi-Fi Scan functions are optional (supported or not supported simultaneously), please contact Quectel Technical Supports for details.
Bluetooth and Wi-Fi Scan Support With a compact profile of 28.0 mm × 31.0 mm × 2.4 mm, EC200U series can meet almost all requirements for M2M applications such as automotive, metering, tracking system, security, router, wireless POS, mobile computing device, PDA phone, tablet PC, etc.
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LTE Standard Module Series ⚫ FDD: Max. 10 Mbps (DL), Max. 5 Mbps (UL) ⚫ TDD: Max. 8.96 Mbps (DL), Max. 3.1 Mbps (UL) GPRS: ⚫ Supports GPRS multi-slot class 12 GSM Features ⚫ Coding scheme: CS-1, CS-2, CS-3 and CS-4 ⚫...
USB interface or FOTA ⚫ RoHS All hardware components are fully compliant with EU RoHS directive 2.3. Functional Diagram The following figure shows a block diagram of EC200U series and illustrates the major functional parts. ⚫ Power management ⚫ Baseband ⚫...
Figure 1: Functional Diagram 2.4. EVB In order to help customers to develop applications with EC200U series, Quectel provides an evaluation board (UMTS & LTE EVB), USB to RS-232 converter cable, earphone, antennas and other peripherals to control or test the module. For more details, please refer to document [1].
LTE Standard Module Series Application Interfaces 3.1. General Description EC200U series is equipped with 80 LCC pins plus 64 LGA pins that can be connected to cellular application platform. The subsequent chapters will provide detailed descriptions of the following interfaces.
LTE Standard Module Series 3.3. Pin Description The following tables show the pin definition of EC200U series module. Table 6: I/O Parameters Definition Type Description Analog Input Analog Output Analog Input/Output Digital Input Digital Output Digital Input/Output Open Drain Power Input...
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LTE Standard Module Series Power supply for external GPIO’s pull-up circuits. Add Provide 1.8 V for Vnom = 1.8 V 2.2 μF capacitor if VDD_EXT external circuit max = 50 mA used. If unused, keep it open. Turn on/off Pin Name Pin No.
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LTE Standard Module Series unused, keep it open. (U)SIM Interface Pin Name Pin No. Description DC Characteristics Comment Connect to the GND USIM_GND (U)SIM1 card GND of (U)SIM card connector. max = 50 mA For 1.8 V (U)SIM: Either 1.8 V or 3.0 V Vmax = 1.9 V (U)SIM1 card power can be recognized by...
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= 2.55 V SLEEP_IND, and W_DISABLE#. For (U)SIM2 card SLEEP_IND min = -0.3 V details, please hot-plug detect consult Quectel For 1.8 V (U)SIM: Technical Supports. max = 0.45 V min = 1.35 V W_DISABLE# (U)SIM2 card reset For 3.0 V (U)SIM: max = 0.45 V...
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LTE Standard Module Series Main UART ring max = 0.45 V MAIN_RI 1.8 V power domain. indication min = 1.35 V If unused, keep it Main UART data max = 0.45 V open. MAIN_DCD carrier detect min = 1.35 V Connect to DTE’s CTS.
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LTE Standard Module Series max = 2.0 V 1.8 V power domain. Auxiliary UART max = 0.45 V AUX_TXD If unused, keep it transmit min = 1.35 V open. ADC Interfaces Pin Name Pin No. Description DC Characteristics Comment Use 1 kΩ resistor in General-purpose Voltage range: ADC2...
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LTE Standard Module Series min = -0.3 V max = 0.6 V PCM_DIN PCM data input 1.8 V power domain. min = 1.26 V If unused, keep it max = 2.0 V open. max = 0.45 V PCM_DOUT PCM data output min = 1.35 V min = -0.3 V 1.8 V power domain.
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LTE Standard Module Series Backlight Configurable current current sink method, adjustment and connected to the backlight cathode, the brightness can be adjusted with current control. Matrix Keyboard Interface Pin Name Pin No. Description DC Characteristics Comment It can be multiplexed USB_BOOT Matrix key input0 as KEYIN0 after...
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LTE Standard Module Series SDIO1_CMD SDIO command SDIO1_VDD SDIO power supply WLAN Interface* Pin Name Pin No. Description DC Characteristics Comment WLAN_SLP_ If unused, keep it WLAN sleep clock open. 1.8 V power domain. WLAN_PWR_ WLAN power supply max = 0.45 V If unused, keep it enable control min = 1.35 V...
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LTE Standard Module Series max = 2.0 V WLAN function max = 0.45 V WLAN_EN enable control min = 1.35 V Antenna Interface Pin Name Pin No. Description DC Characteristics Comment Bluetooth and Wi-Fi Scan cannot be used simultaneously; The shared antenna Wi-Fi Scan antenna ANT_BT/WIFI_ interface of...
LTE Standard Module Series min = 1.26 V open. max = 2.0 V 1.8 V power domain. max = 0.45 V SLEEP_IND Sleep indicator If unused, keep it min = 1.35 V open. 1.8 V power domain. Pull-up by default. min = -0.3 V Driving the pin low Airplane...
LTE Standard Module Series Minimum AT+CFUN=0 can set the module to a minimum functionality mode without removing Functionality the power supply. In this case, RF function will be invalid. Mode AT+CFUN=4 or W_DISABLE# can set the module to airplane mode. In this case, RF Airplane Mode function will be invalid.
LTE Standard Module Series ⚫ Driving MAIN_DTR to low level by the host can wake up the module. ⚫ When the module has a URC to report, the URC will trigger the behavior of MAIN_RI pin. Please refer to Chapter 3.22 for details about MAIN_RI behavior. 3.5.1.2.
LTE Standard Module Series In this case, three preconditions can make the module enter the sleep mode. ⚫ Execute AT+QSCLK=1 to enable sleep mode. ⚫ Ensure the MAIN_DTR is held at high level, or keep it open. ⚫ Ensure the host’s USB bus, which is connected with the module’s USB interface, enters suspended state.
LTE Standard Module Series Module Host GPIO Power USB_VBUS Switch USB_DP USB_DP USB_DM USB_DM MAIN_RI EINT GPIO AP_READY Figure 6: Sleep Mode Application without Suspended Function The module will be wakened up when USB_VBUS is restored to be powered. NOTE Please pay attention to the level match shown in dotted line between the module and the host.
LTE Standard Module Series 3.6. Power Supply 3.6.1. Power Supply Pins The module provides four VBAT pins for connection with the external power supply. There are two separate voltage domains for VBAT. ⚫ Two VBAT_RF pins for module’s RF part. ⚫...
LTE Standard Module Series To decrease voltage drop, a bypass capacitor of about 100 µF with low ESR (ESR = 0.7 Ω) should be used, and a multi-layer ceramic chip (MLCC) capacitor array should also be reserved due to its ultra-low ESR.
LTE Standard Module Series MIC29302WU DC_IN VBAT 100K 470R 4.7K 470 μF 100 nF 470 μF 100 nF VBAT_EN Figure 9: Reference Circuit of Power Supply 3.6.4. Monitor the Power Supply You can use AT+CBC to monitor the VBAT_BB voltage value. For more details, see document [2]. 3.7.
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LTE Standard Module Series PWRKEY ≥ 2 s 4.7K 10 nF Turn-on pulse Figure 10: Turn on Module by Using Driving Circuit Another way to control the PWRKEY is to use a button directly. When pressing the button, electrostatic strike may generate from finger. Therefore, a TVS component is indispensable to be placed nearby the button for ESD protection.
LTE Standard Module Series NOTE1 ≥ 2 s VBAT ≤ 0.5 V PWRKEY About 1.15 s VDD_EXT RESET_N ≥ 5.05 s STATUS (DO) ≥ 4 s UART Inactive Active ≥ 2.23 s Inactive Active Figure 12: Power-up Timing NOTE Please make sure that VBAT is stable before PWRKEY is pulled down. It is recommended that the time interval between powering up VBAT and pulling down PWRKEY is no less than 30 ms.
LTE Standard Module Series 3.7.2.1. Turn off Module with PWRKEY Driving PWRKEY low for at least 3 s and releasing it, the module executes power-down procedure. The power-down scenario is illustrated in the following figure. VBAT ≥ 3 s ≥ 30 s PWRKEY STATUS (DO)
LTE Standard Module Series 3.7.3. Reset the Module The RESET_N can be used to reset the module. The module can be reset by driving RESET_N low for at least 100 ms and then releasing it. The RESET_N signal is sensitive to interference, so it is recommended to route the trace as short as possible and surround it with ground.
LTE Standard Module Series The timing of resetting module is illustrated in the following figure. VBAT ≥ 100 ms RESET_N ≤ 0.5 V Module Running Baseband restart Baseband resetting Status Figure 16: Timing of Resetting Module NOTE Ensure that there is no large capacitance exceeding 10 nF on PWRKEY and RESET_N. It is recommended to use RESET_N only when the module cannot be turned off by AT+QPOWD or PWRKEY.
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(U)SIM2 card hot-plug detect pins. For details, please consult Quectel Technical Supports. The module supports (U)SIM card hot-plug via the USIM_DET, and both high and low level detections are supported. By default, the function is disabled, and it can be enabled by AT+QSIMDET. Please see document [2] for more details about the AT+QSIMDET.
LTE Standard Module Series USIM_VDD 10 K 100 nF USIM_GND (U)SIM Card Connector USIM_VDD USIM_RST Module USIM_CLK USIM_DATA 33 pF 33 pF 33 pF Figure 18: Reference Circuit of (U)SIM Interface with a 6-Pin (U)SIM Card Connector In order to enhance the reliability and availability of the (U)SIM card in your applications, please follow the criteria below in (U)SIM circuit design: ⚫...
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LTE Standard Module Series interface only supports USB slave mode and it can be used for AT command communication, data transmission, software debugging and firmware upgrade. Table 14: Pin Description of USB Interface Pin Name Pin No. Description Comment Require differential USB_DP USB differential data bus (+) impedance of 90 Ω...
LTE Standard Module Series extra stubs of trace must be as short as possible. The following principles should be complied with when designing the USB interface, so as to meet USB 2.0 specification. ⚫ Route the USB signal traces as differential pairs with ground surrounded. The impedance of USB differential trace is 90 Ω.
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LTE Standard Module Series MAIN_TXD Main UART transmit MAIN_RXD Main UART receive Table 16: Pin Definition of Debug UART Interface Pin Name Pin No. Description Comment DBG_TXD Debug UART transmit 1.8 V power domain. If unused, keep them open. DBG_RXD Debug UART receive Table 17: Pin Definition of Auxiliary UART Interface Pin Name...
RTS. 3.11. SPI Interface The SPI interface of EC200U series module only supports master mode. It allows the full duplex synchronous communication between module and peripherals. Its working voltage is 1.8 V, and the maximum clock frequency is 25 MHz. If a universal 4-wire SPI interface is used to connect to Nor Flash, it provides the basic Flash operation including reading, writing and erasing, and does not support the file system.
LTE Standard Module Series SPI master mode that supports GNSS SPI_MOSI output function, the SPI function of – Pin 37 40 cannot be used SPI_MISO SPI master mode input and needs to be left unconnected. SPI_CLK SPI clock 3.12. I2C Interfaces The module provides two I2C interfaces.
LTE Standard Module Series 1.8 V power domain. PCM_DOUT PCM data output If unused, keep it open. 1.8 V power domain. PCM_SYNC PCM data frame sync If unused, keep it open. The PCM PCM_CLK PCM clock function only supports slave mode. The following figure shows the reference design of PCM and I2C interface with external Codec chip: NM 0R External 26MHz Crystal...
LTE Standard Module Series output (+) Loudspeaker differential LOUDSPK_N output (-) MIC_P Microphone analog input (+) MIC_N Microphone analog input (-) ⚫ AIN channel is a differential input channel, which can be applied for input of microphone (usually an electret microphone). ⚫...
LTE Standard Module Series 3.15. LCD Interface The LCD interface of the module supports a liquid crystal display with a maximum resolution of 320 × 240 and DMA transmission, 16-bit RGB565 and YUV formats. Table 22: Pin Definition of LCD Interface Pin Name Pin No.
LTE Standard Module Series it can be used as KEYIN0 after startup. 1.8 V power domain. If unused, keep it open. The KEYIN1 Matrix keyboard input1 KEYIN1 cannot be pulled up before startup. KEYIN2 Matrix keyboard input2 KEYIN3 Matrix keyboard input3 KEYOUT0 Matrix keyboard output0 1.8 V power domain.
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Make sure the adjacent trace spacing is more than two times of the trace width and the load capacitance of SDIO bus should be less than 15 pF. NOTE WLAN application interface conflicts with other functions, and please consult Quectel Technical Supports for details. EC200U_Series_Hardware_Design...
LTE Standard Module Series 3.19. ADC Interfaces The module provides three ADC interfaces. AT+QADC=0 can be used to read the voltage value on ADC0 pin. AT+QADC=1 can be used to read the voltage value on ADC1 pin. AT+QADC=2 can be used to read the voltage value on ADC2 pin.
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LTE Standard Module Series Table 28: Pin Definition of Network Connection Status/Activity Indicator Pin Name Pin No. Description Comment Indicate the module's network activity NET_MODE 1.8 V power domain. status If unused, keep them Indicate the module's network open. NET_STATUS registration mode Table 29: Working State of Network Connection Status/Activity Indicator Pin Name...
LTE Standard Module Series 3.21. STATUS The STATUS pin is an output for module’s operation status indication. When the module is turned on normally, the STATUS outputs high level. Table 30: Pin Definition of STATUS Pin Name Pin No. Description Comment 1.8 V power domain.
LTE Standard Module Series NOTE The AT+QURCCFG allows you to set the main UART, USB AT port or USB modem port as the URC output port. The USB AT port is used to send AT commands by default. In addition, MAIN_RI behaviors can be configured flexibly. The default behaviors of the MAIN_RI are shown as below.
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LTE Standard Module Series MODULE MODULE KEYOUT0 VDD_EXT Test points 4.7K USB_BOOT USB_BOOT Close to test points Close to test points Figure 28: Reference Circuit of USB_BOOT Interface NOTE Please make sure that VBAT is stable before PWRKEY is pulled down. It is recommended that the time interval between powering up VBAT and pulling down PWRKEY is no less than 30 ms.
NOTE EC200U series supports Bluetooth and Wi-Fi Scan functions. Due to the shared antenna interface, the two functions cannot be used at the same time; Bluetooth and Wi-Fi Scan functions are optional (supported or not supported simultaneously), please contact Quectel Technical Supports for details.
LTE Standard Module Series 4.1.3. Reference Design of RF Antenna Interfaces A reference design of ANT_MAIN and ANT_BT/WIFI_SCAN is shown as below. A π-type matching circuit should be reserved for better RF performance. The capacitors are not mounted by default. Main Module antenna...
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LTE Standard Module Series 50 Ω impedance. ANT_GNSS GNSS antenna interface If unused, keep it open. Table 38: GNSS Frequency Type Frequency Unit 1575.42 ± 1.023 – 1597.5 1605.8 GLONASS Galileo 1575.42 ± 2.046 BeiDou (Compass) 1561.098 ± 2.046 QZSS 1575.42 A reference design of GNSS antenna is shown as below: 0.1 uF...
LTE Standard Module Series 4.3. Reference Design of RF Layout For user’s PCB, the characteristic impedance of all RF traces should be controlled as 50 Ω. The impedance of the RF traces is usually determined by the trace width (W), the materials’ dielectric constant, height from the reference ground to the signal layer (H), and the space between the RF trace and the ground (S).
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LTE Standard Module Series Figure 33: Coplanar Waveguide Design on a 4-layer PCB (Layer 3 as Reference Ground) Figure 34: Coplanar Waveguide 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: ⚫...
LTE Standard Module Series For more details about RF layout, please refer to document [3]. 4.4. Antenna Installation 4.4.1. Antenna Requirement The following table shows the requirements of main antenna. Table 39: Antenna Requirements Type Requirements Frequency range: 1559–1609 MHz Polarization: RHCP or linear VSWR: <...
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LTE Standard Module Series Figure 35: Dimensions of 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 36: Mechanicals of U.FL-LP Connectors EC200U_Series_Hardware_Design 66 / 94...
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LTE Standard Module Series The following figure describes the space factor of mated connector. Figure 37: Space Factor of Mated Connector (Unit: mm) For more details, please visit http://hirose.com. EC200U_Series_Hardware_Design 67 / 94...
LTE Standard Module Series Electrical Characteristics, Radio and Reliability 5.1. 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 40: Absolute Maximum Ratings Parameter Min.
LTE Standard Module Series 5.2. Power Supply Ratings Table 41: Power Supply Ratings Parameter Description Conditions Min. Typ. Max. Unit The actual input VBAT_BB and voltages must be kept VBAT_RF between the minimum VBAT and maximum value. Voltage drop during Maximum power control burst transmission level on EGSM900.
LTE Standard Module Series Table 42: Operating and Storage Temperatures Parameter Min. Typ. Max. Unit Operating Temperature Range º C Extended Temperature Range º C Storage Temperature Range º C 5.4. Power Consumption Table 43: EC200U-CN Current Consumption Description Conditions Typ.
LTE Standard Module Series 5.5. Tx Power The following table shows the RF output power of EC200U series module. Table 46: EC200U-CN RF Output Power Frequency Bands Max. RF Output Power Min. RF Output Power EGSM900 33 dBm ± 2 dB 5 dBm ±...
In GPRS 4 slots TX mode, the maximum output power is reduced by 6 dB. The design conforms to the GSM specification as described in Chapter 13.16 of 3GPP TS 51.010-1. 5.6. Rx Sensitivity The following tables show conducted RF receiving sensitivity of EC200U series module. Table 49: EC200U-CN Conducted RF Receiving Sensitivity Receiving Sensitivity (Typ.)
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LTE Standard Module Series LTE-TDD B40 (10 MHz) -99.4 dBm -96.3 dBm LTE-TDD B41 (10 MHz) -98.9 dBm -94.3 dBm NOTE The GSM network access technology of EC200U-CN is optional. If the module that you select doesn’t support GSM network access technology, there is no corresponding RF receiving sensitivity data. Table 50: EC200U-EU Conducted RF Receiving Sensitivity Receiving Sensitivity (Typ.) Frequency...
LTE Standard Module Series Mechanical Information This chapter describes the mechanical dimensions of the module. All dimensions are measured in millimeter. The tolerances for dimensions without tolerance values are ± 0.2 mm. 6.1. Mechanical Dimensions Figure 38: Module Top and Side Dimensions EC200U_Series_Hardware_Design 83 / 94...
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LTE Standard Module Series Pin 1 Figure 39: Module Bottom Dimensions NOTE The package warpage level of the module conforms to the JEITA ED-7306 standard. EC200U_Series_Hardware_Design 84 / 94...
LTE Standard Module Series 6.2. Recommended Footprint Pin 1 Figure 40: Recommended Footprint (Top View) NOTE Keep at least 3 mm between the module and other components on the motherboard to improve soldering quality and maintenance convenience. EC200U_Series_Hardware_Design 85 / 94...
Figure 41: Top & Bottom View of the Module NOTE 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. EC200U_Series_Hardware_Design 86 / 94...
LTE Standard Module Series Storage, Manufacturing & Packaging 7.1. Storage Conditions The module is provided with vacuum-sealed packaging. MSL of the module is rated as 3. The storage requirements are shown below. Recommended Storage Condition: The temperature should be 23 ± 5 ° C and the relative humidity should be 35–60 %.
LTE Standard Module Series NOTE 1. To avoid blistering, layer separation and other soldering issues, extended exposure of the module to the air is forbidden. 2. Take out the module from the package and put it on high-temperature-resistant fixtures before baking.
PCB or shielding cover, and prevent the coating material from flowing into the module. Due to the complexity 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, ultrasonic soldering) that is not mentioned in document [4].
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LTE Standard Module Series Table 55: Plastic Reel Dimension Table (Unit: mm) øD1 øD2 44.5 7.3.3. Packaging Process Place the module into the carrier tape and use the cover tape to cover them; then wind the heat-sealed carrier tape to the plastic reel and use the protective tape for protection.
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LTE Standard Module Series Appendix References Table 56: Related Documents Document Name [1] Quectel_UMTS<E_EVB_User_Guide [2] Quectel_EC200U&EG915U_Series_AT_Commands_Manual [3] Quectel_RF_Layout_Application_Note [4] Quectel_Module_SMT_User_Guide Table 57: Terms and Abbreviations Abbreviation Description Analog-to-Digital Converter Adaptive Multi-Rate Bits Per Second CHAP Challenge Handshake Authentication Protocol CMUX Connection Multiplexing Coding Scheme Clear to Send...
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LTE Standard Module Series Data Terminal Ready Enhanced Full Rate EGSM Enhanced GSM Electromagnetic Interference Electrostatic Discharge Equivalent Series Resistance Evaluation Board Frequency Division Duplex Full Rate File Transfer Protocol FTPS FTP-over-SSL Ground Global System for Mobile Communications Half Rate HTTP Hypertext Transfer Protocol HTTPS...
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LTE Standard Module Series Password Authentication Protocol Printed Circuit Board Personal Digital Assistant Protocol Data Unit Paging Frame Point of Sale Point-to-Point Protocol Radio Frequency Red, Green, Blue Smart Media Short Message Service SMTP Simple Mail Transfer Protocol Secure Sockets Layer Transmission Control Protocol Time Division Duplexing UART...
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LTE Standard Module Series Minimum High-level Input Voltage Maximum Low-level Input Voltage Minimum Low-level Input Voltage Maximum High-level Output Voltage Minimum High-level Output Voltage Maximum Low-level Output Voltage Minimum Low-level Output Voltage VSWR Voltage Standing Wave Ratio WCDMA Wideband Code Division Multiple Access WLAN Wireless Local Area Network EC200U_Series_Hardware_Design...
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