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Summary of Contents for YUGE LPM2100 mg
- Page 1 LPM2100 mg NB Module Hardware User Product name Guide Number of pages Hardware design version V1.0 Document version V1.5 Date 2019/11/7 LPM2100 mg NB Module Hardware User Guide V1.5 Shanghai Yuge Information Technology Co., Ltd.
- Page 2 LPM2100 mg NB Module Hardware User Guide Update record Version Date Author Description V1.0 2019/3/25 John.zhang Fix and add some configuration information Modify some information about hardware V1.1 V1.1 2019/5/17 John.zhang interface changes 1．Unified limit operating temperature V1.2 2019/6/22 John.zhang 2．Modify information related to IO voltage...
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Page 3: Table Of Contents
Chapter 3. Interface application description.................- 11 - 3.1 Chapter overview....................- 11 - 3.2 Module interface.....................- 11 - 3.2.1 LPM2100 mg pin distribution map............- 11 - 3.2.2. Module pin description................- 12 - 3.3 Power interface.......................- 15 - 3.3.1 VBAT interface....................- 15 - 3.3.2 VDD_EXT Voltage output................ - Page 4 LPM2100 mg NB Module Hardware User Guide 3.13 Other interface...................... - 28 - 3.13.1 WAKEUP interface..................- 28 - 3.13.2 WAKEUP_OUT interface*............... - 29 - Chapter 4. Overall RF technical indicators................- 30 - 4.1 Chapter overview....................- 30 - 4.2 Main antenna and Bluetooth antenna..............- 30 - 4.3 RF signal line routing guide...................
- Page 5 Figure 6-1 Appearance of the LPM2100 mg series module..........- 39 - Figure 6-2 Front view and side view of the LPM2100 mg series module (unit MM)..- 39 - Figure 6-3 Bottom view of the LPM2100 mg series module (unit MM)......- 40 - - 4 - Shanghai Yuge Information Technology Co., Ltd.
- Page 6 Table 4-6 Power consumption....................- 35 - Table 5-1 LPM2100 mg series module temperature range..........- 36 - Table 5-2 Electrical Characteristics of the LPM2100 mg Series Module......- 36 - Table 5-3 Operating voltage of the LPM2100 mg series module........- 36 - Table 5-4 LPM2100 mg ESD features.................
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Page 7: Chapter 1. Introduction
LPM2100 mg NB Module Hardware User Guide Chapter 1. Introduction This document is a hardware solution manual for the LPM2100 mg NB module of the wireless solution product. It is intended to describe the hardware components and functional characteristics of the module solution, application interface definition and usage instructions, electrical performance and mechanical characteristics. -
Page 8: Chapter 2. Module Review
(B5,B8,B20,B28) （ 3.1~4.2V） Physical characteristics LPM2100 mg is a multi-band NB-IoT series module that complies with 3GPP Release With a total of 44 pins and an ultra-small size of 15.8mm*17.7mm*2.2mm, the modules meet almost all M2M requirements. -
Page 9: Main Performance
Logistics support (industrial assets, container tracking, location and status updates, etc.). “*”Indicates that it is under development. “LPM2100 mg” refers to the collective name of the LPM2100 mg Nb-IoT series module in the documentation. 2.2 Main performance Table 2-1 Key Features... -
Page 10: Module Functional Block Diagram
Support for standard AT instruction sets (Hayes 3GPP TS 27.007 and 27.005) 2.3 Module functional block diagram The functional block diagram of the LPM2100 mg series module mainly includes the following units： Baseband processing unit Power management unit ... -
Page 11: Module Working Mode
LPM2100 mg NB Module Hardware User Guide Figure 2-1 Functional block diagram of the LPM2100 mg series module 2.4 Module working mode Table 2-2 Working mode Operating mode Description Shut down Module does not work in shutdown Flight mode The module turns off the module RF circuit and cannot interact with the network. -
Page 12: Chapter 3. Interface Application Description
Chapter 3. Interface application description 3.1 Chapter overview The LPM2100 mg series modules have a total of 44 pins and include the following partial unit interface functions. The functions of each unit interface will be described in detail in later chapters. -
Page 13: Module Pin Description
LPM2100 mg NB Module Hardware User Guide Figure 3-1 LPM2100 mg pin assignment diagram ① The SIM card port level supports 1.8V and 3.0V. ② This module defines that the NC pin is floating and must not be used. ③ The module WAKEUP (PSM_EINT) pin voltage domain is 1.1V. - Page 14 LPM2100 mg NB Module Hardware User Guide Table 3-2 Interface definition Pin name Functional description Remarks Powered by 42,43 VBAT Module power supply Input voltage 3.1~4.2V (Low voltage version: 2.45~4.2V) VDD_EXT Internal regulated power IO voltage domain supply output 1.8V or 2.8V (software can be customized, default 1.8V)
- Page 15 LPM2100 mg NB Module Hardware User Guide RXD_DBG Module debug data Debug serial port reception TXD_DBG Module debug data Debug serial port transmission Secondary serial interface RXD_AUX Data reception IO voltage domain TXD_AUX Data transmission IO voltage domain CTS_AUX Request to send...
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Page 16: Power Interface
Ground signal 40，41 3.3 Power interface The LPM2100 mg series module power connector consists of two parts： VBAT is the working power of the module; VDD_EXT is the internal LDO output IO voltage domain (current load up to 50mA) for external use。... -
Page 17: Vdd_Ext Voltage Output
3.4 Switching machine reset mode 3.4.1 Boot When the LPM2100 mg series module is turned off, it can be turned on by pulling PWRKEY low on pin 7 for at least 800ms. It is recommended to use the open collector drive circuit to control the PWRKEY pin. -
Page 18: Shut Down
LPM2100 mg NB Module Hardware User Guide Figure 3-5 boot timing diagram Another way to control the PWRKEY of the LPM2100 mg series module is through a mechanical push button switch. A TVS tube is placed near the button for ESD protection. The reference circuit diagram is as follows. -
Page 19: Reset
Shutdown time (according to uart status) 3.4.3 Reset The PIN15 signal of the LPM2100 mg series module is the RESET reset pin. The application detects that the module is abnormal. When the software does not respond, the module can be reset. Pull the pin low for 100-450ms to reset the module. The RESET pin is sensitive to interference. -
Page 20: Uart Interface
LPM2100 mg NB Module Hardware User Guide Figure 3-9 Reset timing diagram The LPM2100 mg series module supports AT command reset, and the AT command is AT+TRB to restart the module. Detailed instructions can be found in the "RDA_AT Command Manual" provided by the domain. -
Page 21: 1Serial Application Circuit
LPM2100 mg NB Module Hardware User Guide RXD_AUX Data reception IO voltage domain TXD_AUX Data transmission IO voltage domain CTS_AUX Request to send IO voltage domain RTS_AUX Clear send IO voltage domain Table 3-6 Serial port logic levels Parameter Minimum... -
Page 22: Power Saving Technology
LPM2100 mg NB Module Hardware User Guide The module serial port TTL is the IO output level value. If the serial port needs to be connected to the 3.3V level MCU, an external level conversion chip needs to be added externally to achieve level matching. -
Page 23: Drx
LPM2100 mg NB Module Hardware User Guide When the module is in the PSM mode, related activities such as searching for cell messages, cell reselection, and connecting to the network are turned off. However, the T3412 timer continues to work. -
Page 24: Sim Interface
3.7.1 SIM card reference circuit The LPM2100 mg series modules do not have a SIM card slot. Users need to design a SIM card slot on their own interface board. SIM card interface reference circuit is as follows：... -
Page 25: Sim_Dect Hot Swap Reference Design
3.7.2 SIM_DECT Hot swap reference design * The LPM2100 mg series modules support SIM hot plugging. The SIM_DECT pin acts as an input detection pin to determine whether the SIM card is inserted or not. The SIM_DECT pin defaults to a high level. The hot plug function can be turned on or off by AT+HOSCFG. -
Page 26: Adc Interface
③ "*" indicates that it is under development. 3.8 ADC interface The LPM2100 mg series module provides a 10-bit analog-to-digital conversion input interface for sample monitoring such as external temperature. The ADC pin voltage can be read by the AT command. -
Page 27: Spi Interface
High value Description ADC0 Universal analog to digital converter interface 3.9 SPI interface The LPM2100 mg series module provides a set of SPI interfaces with an interface voltage of IO output level. Table 3-10 SPI Signal Definition Pin name Functional description... -
Page 28: I2C Bus
LPM2100 mg NB Module Hardware User Guide 3.10 I2C bus The LPM2100 mg series module provides a set of hardware 5.0 protocol bidirectional serial bus with a clock rate of 400KHZ and an interface voltage of IO output level. Table 3-11 I2C pin definition... -
Page 29: General Purpose Gpio Interface
LED lamp parameters. 3.12 General purpose GPIO interface The LPM2100 mg series modules offer two GPIOs. Some of these GPIOs can be reused for multiple functions. Consult the module provider for specific usage. Table 3-14 General GPIO Pin Definitions... -
Page 30: Wakeup_Out Interface
Figure 3-22 WAKEUP wake-up module reference circuit 3.13.2 WAKEUP_OUT interface* The LPM2100 mg series modules support the WAKEUP_OUT function. When the module is in the sleep state, if a wake-up event is received, the pin will wake up the host by pulling high. -
Page 31: Chapter 4. Overall Rf Technical Indicators
IO RF antenna interface 50Ωcharacteristic impedance The 35-pin of the LPM2100 mg series module is the main antenna interface. To facilitate the debugging of the antenna, it is necessary to add a π-type matching circuit to the motherboard, and take the 50-ohm impedance line. The recommended circuit is as follows：... - Page 32 LPM2100 mg NB Module Hardware User Guide Figure 4-1 Main antenna matching circuit diagram The 26-pin of the LPM2100 mg series module is a Bluetooth antenna interface. To facilitate antenna debugging, a π-type matching circuit needs to be added to the motherboard, and the 50-ohm impedance line is taken.
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Page 33: Rf Signal Line Routing Guide
LPM2100 mg NB Module Hardware User Guide 4.3 RF signal line routing guide For the user, the characteristic impedance of all RF signal lines should be controlled at 50Ω. The impedance of the RF signal line is determined by the dielectric constant of the material, the trace width (W), the ground clearance (S), and the height of the reference ground plane (H). -
Page 34: Rf Connector
LPM2100 mg NB Module Hardware User Guide 4.4 RF connector If you need to use the RF connector connection during the design process, the antenna connector must use a 50 ohm characteristic impedance coaxial connector. Hirose's UF.L-R-SMT connector is recommended. -
Page 35: Working Frequency
LPM2100 mg NB Module Hardware User Guide Characteristic impedance 50 Ω –40°C to +85°C 4.5 Working frequency Table 4-3 RF frequency table LPM2100_ mx Band Uplink frequency Download frequency 1920 MHz–1980 MHz 2110 MHz–2170 MHz 1710 MHz–1785 MHz 1805 MHz–1880 MHz 824 MHz –... -
Page 36: Rf Power Consumption Characteristics
LPM2100 mg NB Module Hardware User Guide 4.7 RF power consumption characteristics Table 4-6 Power consumption Call Current（mA） Power Types Power Avg Current 22.1 Max power 151 22.3 Max power 140 Max power 130 22.3 Max power 127 Max power 135 22.3... -
Page 37: Chapter 5. Interface Electrical Characteristics
-45°C 90°C 5.3 Module IO level The LPM2100 mg series module port IO levels are as follows: Which corresponds to 1.8V SIM application, SIM_VDD is 1.8V; corresponding to 3V SIM application, SIM_VDD is 3V. Table 5-2 Electrical Characteristics of the LPM2100 mg Series Module... -
Page 38: Electrostatic Property
5.5 Electrostatic property There is no overvoltage protection inside the LPM2100 mg series modules. The modules need to be protected against static electricity to ensure product quality. ESD design recommendations：... - Page 39 LPM2100 mg NB Module Hardware User Guide work Test duration: 24 h RF indicator check: normal High temperature: 75℃ Low temperature: –20℃ Visual inspection: normal Temperature JESD22-A Working mode: normal work Function check: normal cycle 105-B Test duration: 30 RF indicator check: normal Cycles;1 h+1h /cycle...
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Page 40: Chapter 6. Structural And Mechanical Properties
The LPM2100 mg series module is a PCBA with a single-sided layout. The appearance of the module is as follows： Figure 6-1 Appearance of the LPM2100 mg series module Figure 6-2 Front view and side view of the LPM2100 mg series module (unit MM) - 39 - Shanghai Yuge Information Technology Co., Ltd. - Page 41 LPM2100 mg NB Module Hardware User Guide Figure 6-3 Bottom view of the LPM2100 mg series module (unit MM) - 40 - Shanghai Yuge Information Technology Co., Ltd.
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Page 42: Chapter 7. Production And Packaging
To ensure the quality of the module paste, the thickness of the stencil corresponding to the pad portion of the LPM2100 mg series module is recommended to be 0.18mm. The recommended reflow temperature is 235~245oC, which cannot exceed 260oC. - Page 43 LPM2100 mg NB Module Hardware User Guide Figure 7-1 Reflow soldering temperature graph Table 7-1 Reflow process parameter table Warm zone Time key parameter Preheating zone （40℃～165℃） Heating rate：1℃/s～3℃/s Temperature zone（160℃～ (t1～t2)：70s～120s 210℃） Recirculation zone（> 217℃） (t3～t4)：40s～60s Peak temperature：235℃～ 245℃...
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Page 44: Chapter 8. Abbreviation
LPM2100 mg NB Module Hardware User Guide Chapter 8. Abbreviation Table 8-1 Abbreviations Abbreviations Full name 3GPP Third Generation Partnership Project Adaptive Multi-rate Clear to Send Data Terminal Ready Down Link Data Terminal Equipment Electromagnetic Compatibility Electrostatic Discharge Light-Emitting Diode...
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