Table of Contents
Related Manuals for YUGE LPM2100 bg Series
Summary of Contents for YUGE LPM2100 bg Series
- Page 1 LPM2100 bg NB Module Hardware Usage Product name Guide Number of pages Hardware design version V1.0 Document version Date 2019/11/5 LPM2100 bg NB Module Hardware Usage Guide V1.5 Shanghai Yuge Information Technology Co., Ltd.
- Page 2 2019/8/5 John.zhang Modify some editing errors V1.4 2019/9/5 John.zhang Added B20/B28, software supported after V4.0 Increase B1 and increase the low voltage version V1.5 2019/11/5 John.zhang Modify boot item Update appearance - 2 - Shanghai Yuge Information Technology Co., Ltd.
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Page 3: Table Of Contents
3.9 SPI interface......................- 23 - 3.10 I2C bus......................... - 24 - 3.11 Network indication interface*................- 24 - 3.12 General purpose GPIO interface................- 25 - 3.13 Other interface...................... - 25 - - 3 - Shanghai Yuge Information Technology Co., Ltd. - Page 4 6.2 Exterior........................- 35 - Chapter 7. Production and packaging...................- 37 - 7.1 Chapter overview....................- 37 - 7.2 Module packaging and storage................- 37 - 7.3 Production welding....................- 37 - Chapter 8. Abbreviation......................- 39 - - 4 - Shanghai Yuge Information Technology Co., Ltd.
- Page 5 Figure 6-1 Appearance of the LPM2100 bg series module..........- 35 - Figure 6-2 Front view and side view of the LPM2100 bg series module (unit MM)..- 35 - Figure 6-3 Bottom view of the LPM2100 bg series module (unit MM)......- 36 - Figure 7-1 Reflow soldering temperature graph..............
- Page 6 Table 4-6 Power consumption....................- 31 - Table 5-1 LPM2100 bg series module temperature range............- 32 - Table 5-2 Electrical Characteristics of the LPM2100 bg Series Module......- 32 - Table 5-3 Operating voltage of the LPM2100 bg series module..........- 32 - Table 5-4 LPM2100 bg ESD features..................
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Page 7: Chapter 1. Introduction
LPM2100 bg NB Module Hardware Usage Guide Chapter 1. Introduction This document is a hardware solution manual for the LPM2100 bg series 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: Chapter2. Module Review
Chapter2. Module review 2.1 Module introduction LPM2100 bg series model LPM2100 bg Physical characteristics LPM2100 bg Application Series model Table 2-1 LPM2100 bg series models LPM2100 bg series Support method Operating Voltage Typical voltage Module supply voltage... -
Page 9: Main Performance
(B1, B3, B5, B8, B20, B28), bg_u (B1, B3, B5, B8, B20, B28) Working frequency The module can automatically search for the frequency band, and the band selection can be set by the AT command. Need to - 6 - Shanghai Yuge Information Technology Co., Ltd. -
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 bg series module mainly includes the following units： Baseband processing unit Power management unit ... -
Page 11: Module Working Mode
LPM2100 bg NB Module Hardware Usage Guide Figure 2-1 Functional block diagram of the LPM2100 bg series module 2.4 Module working mode Table 2-3 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 bg series modules have a total of 98 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
(software can be customized, default 1.8V) System switch control RESET Hardware reset control, active low SIM interface SIM_DECT* DI SIM card hot plug detection Internal level has been pulled up - 10 - Shanghai Yuge Information Technology Co., Ltd. - Page 14 Internal 10K resistor pull-up I2C1_SDA I2C bus data input and Internal 10K resistor output pull-up SPI interface SPI_DI_1 Host input slave output IO voltage domain SPI_DI_0 Host output slave input IO voltage domain - 11 - Shanghai Yuge Information Technology Co., Ltd.
- Page 15 WAKEUP_O Wake up host Reserved 1,7,8,9,11,12, 13,14,24,25,3 6,44,49,50,55 ,56,57,58,67, Leave empty when 68,69,70,75,7 not in use 6,77,78,79,80 ,84,85,86,87, 88,89,90,91 2,43,47,48,51 ,52,54,59,60, Ground signal 61,62,63,64, 65,66,71,72, 73,74,81,82, 83,92,93,94, 95,96,97,98 - 12 - Shanghai Yuge Information Technology Co., Ltd.
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Page 16: Power Interface
100nF, 100uF) to the VBAT pin and place them near the VBAT pin. 3.3.2 VDD_EXT Voltage output After the LPM2100 bg series module is powered on normally, the 26th pin will output the IO voltage domain, and the current load can be up to 50mA. The external master can read the voltage of VDD_EXT to judge whether the module is powered on. -
Page 17: Switching Machine Reset Mode
Boot time (according to status status) Ton(uart) Boot time (according to uart status) 3.4.2 Shut down The LPM2100 bg series module can be powered off by the VBAT pin or by using the AT “at+cpof” command. - 14 - Shanghai Yuge Information Technology Co., Ltd. -
Page 18: Reset
Shutdown time (according to uart status) 3.4.3 Reset The PIN15 signal of the LPM2100 bg 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 19: Uart Interface
"RDA_AT Command Manual" provided by the domain. 3.5 UART interface The LPM2100 bg series modules provide three sets of UART interfaces. Main serial port, debug serial port, auxiliary serial port. The serial port level is the IO output level value. The module is a DCE (Data Communication Equipment) device. -
Page 20: Serial Application Circuit
If you need to use a 4-wire serial port, you can refer to the following connection methods: Figure 3-8 Full-featured serial port design If you need to use a 2-wire serial port, you can refer to the following serial port design. - 17 - Shanghai Yuge Information Technology Co., Ltd. -
Page 21: Power Saving Technology
eDRX (Extended DRX, extended discontinuous reception mode) 3.6.1 PSM The main purpose of the PSM function is to reduce module power consumption and extend battery life. The module consumes a maximum of 5uA in PSM mode. - 18 - Shanghai Yuge Information Technology Co., Ltd. -
Page 22: Drx
The module will detect whether there is a downlink service arrival, which is suitable for services with high latency requirements. Module equipment generally adopts the way of power supply, such as street light business. Figure 3-12 DRX power saving technology - 19 - Shanghai Yuge Information Technology Co., Ltd. -
Page 23: Edrx
Such as remote shutdown of the gas business. Figure 3-13 eDRX power saving technology 3.7 SIM interface The LPM2100 bg series module provides an ISO 7816-3 compliant SIM card interface. The SIM card power supply is provided by the module's internal power manager and supports 1.8V/3.0V. -
Page 24: Sim Card Reference Circuit
LPM2100 bg NB Module Hardware Usage Guide 3.7.1 SIM card reference circuit The LPM2100 bg series module does 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 card is high when it is in position. When AT+HOSCFG=1,0 is set, the state of the SIM card is low when it is in position. When AT+HOSCFG=0,0 is set. The SIM card hot plug function is turned off. ③ "*" indicates that it is under development. - 22 - Shanghai Yuge Information Technology Co., Ltd.
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Page 26: Adc Interface
High value Description Universal analog to digital converter interface 3.9 SPI interface The LPM2100 bg series module provides a set of SPI interfaces with an interface voltage of IO output level. Table 3-11 SPI Signal Definition Pin name Functional description... -
Page 27: I2C Bus
Figure 3-17 SPI write timing diagram 3.10 I2C bus The LPM2100 bg 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 3-12 I2C pin definition... -
Page 28: General Purpose Gpio Interface
Universal input/output port Reserved 3.13 Other interface 3.13.1 WAKEUP interface The LPM2100 bg series module supports the PSM function, and wakes up the module by pulling the WAKEUP pin on the 19-pin. - 25 - Shanghai Yuge Information Technology Co., Ltd. -
Page 29: Wakeup_Out Interface
Figure 3-20 WAKEUP wake-up module reference circuit 3.13.2 WAKEUP_OUT interface* The LPM2100 bg 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 30: Chapter 4. Overall Rf Technical Indicators
RF power consumption characteristics. 4.2 Antenna design 4.2.1 Main antenna The main antenna interface is provided on pin 53 of the LPM2100 bg series module. In the circuit design, the trace between the module and the antenna must be guaranteed to 50 ohms. -
Page 31: Rf Signal Line Routing Guide
LPM2100 bg NB Module Hardware Usage Guide Figure 4-1 Main antenna matching circuit diagram LPM2100 bg series module RF antenna is extracted by pad method. ① The antenna impedance trace needs to be away from the digital signal line, power supply and other interference signals. -
Page 32: Rf Connector
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. - 29 - Shanghai Yuge Information Technology Co., Ltd. -
Page 33: Working Frequency
832 MHz – 862 MHz 791 MHz – 821 MHz 703 MHz – 748 MHz 758 MHz – 803 MHz 4.6 Conducted transmit power and receive sensitivity Table 4-4 Conducted emission power indicators - 30 - Shanghai Yuge Information Technology Co., Ltd. -
Page 34: Rf Power Consumption Characteristics
Table 4-6 Power consumption Call Current（mA） Power Types Power Avg Current 22.5 Max power 151 22.3 Max power 142 Max power 129 22.3 Max power 125 Max power 130 22.3 Max power 134 - 31 - Shanghai Yuge Information Technology Co., Ltd. -
Page 35: Chapter 5. Interface Electrical Characteristics
-45°C 90°C 5.3 Module IO level The port IO levels of the LPM2100 bg series modules 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 bg Series Module... -
Page 36: Electrostatic Property
5.5 Electrostatic property There is no overvoltage protection inside the LPM2100 bg series module. The module needs to protect against static electricity to ensure product quality. ESD design recommendations：... - Page 37 Visual inspection: normal IEC60068- Drop test marble platform Function check: normal 2-32 Working mode: no packaging, RF indicator check: normal no Power on, do not boot - 34 - Shanghai Yuge Information Technology Co., Ltd.
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Page 38: Chapter 6. Structural And Mechanical Properties
The LPM2100 bg series module is a single-sided layout PCBA. The module appearance is shown below： Figure 6-1 Appearance of the LPM2100 bg series module Figure 6-2 Front view and side view of the LPM2100 bg series module (unit MM) - 35 - Shanghai Yuge Information Technology Co., Ltd. - Page 39 LPM2100 bg NB Module Hardware Usage Guide Figure 6-3 Bottom view of the LPM2100 bg series module (unit MM) - 36 - Shanghai Yuge Information Technology Co., Ltd.
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Page 40: Chapter 7. Production And Packaging
The LPM2100 bg series modules are packaged in trays and packaged in vacuum-sealed bags. The 1000PCS is shipped in a vacuum sealed bag. The storage of the LPM2100 bg series module module is subject to the following conditions： The module has a moisture sensitivity rating of 3 levels. - Page 41 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℃ Cooling zone Cooling rate：2°C/s ≤ Slope ≤ 5°C/s - 38 - Shanghai Yuge Information Technology Co., Ltd.
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Page 42: Chapter 8. Abbreviation
Electromagnetic Compatibility Electrostatic Discharge Light-Emitting Diode Not Connected USIM Universal Subscriber Identity Module Transient Voltage Suppressor Printed Circuit Board Transmitting Direction UART Universal Asynchronous Receiver-Transmitter QPSK Quadrature Phase Shift Keying Radio Frequency - 39 - Shanghai Yuge Information Technology Co., Ltd.