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Related Manuals for YUGE LPM2100 bt Series
Summary of Contents for YUGE LPM2100 bt Series
- Page 1 Product name LPM2100 bt NB Module Hardware Usage Guide Number of pages Hardware design version V1.1 Document version V1.2 Date 2019/5/10 LPM2100 bt NB Module Hardware Usage Guide V1.2 Shanghai Yuge Information Technology Co., Ltd.
- Page 2 Author Description V1.1 2019/3/21 John.zhang Fix and add some configuration information Modify some information about hardware V1.1 V1.1 2019/5/10 John.zhang interface changes V1.2 2019/6/3 John.zhang Modify information for hardware V1.1 format - 2 - Shanghai Yuge Information Technology Co., Ltd.
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Page 3: Table Of Contents
3.8.2 SIM_DECT Hot swap reference design *........... - 28 - 3.9 ADC interface......................- 29 - 3.10 SPI interface......................- 30 - 3.11 I2C bus........................- 30 - 3.12 Network indication interface................- 31 - - 3 - Shanghai Yuge Information Technology Co., Ltd. - Page 4 6.2 Exterior........................- 42 - Chapter 7. Production and packaging...................- 45 - 7.1 Chapter overview....................- 45 - 7.2 Module packaging and storage................- 45 - 7.3 Production welding....................- 45 - Chapter 8. Abbreviation......................- 47 - - 4 - Shanghai Yuge Information Technology Co., Ltd.
- Page 5 Figure 6-1 Appearance of the LPM2100 bt series module...........- 42 - Figure 6-2 Front view and side view of the LPM2100 bt series module (unit MM)... - 43 - Figure 6-3 Bottom view of the LPM2100 bt series module (in MM)........- 44 - Figure 7-1 Reflow soldering temperature graph..............
- Page 6 Table 4-7 NB-IoT power consumption.................- 38 - Table 5-1 LPM2100 bt series module temperature range............ - 39 - Table 5-3 Electrical characteristics of the LPM2100 bt series module........ - 39 - Table 5-4 Operating voltage of the LPM2100 bt series module.......... - 39 - Table 5-5 LPM2100 bt ESD features...................
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Page 7: Chapter 1. Introduction
Combined with this and other application documents, users can quickly use this series of modules to design wireless products. - 7 - Shanghai Yuge Information Technology Co., Ltd. -
Page 8: Chapter2. Module Review
This series of modules is a chip module, which is packaged in LCC to meet the hardware interface between the customer's motherboards. The LPM2100 bt series modules feature low-power technology with standby power consumption of less than 1mA and deep sleep as low as 5uA. Supports 2.45V voltage, BDS/GPS/GLONASS/Galileo parallel reception and joint positioning. -
Page 9: Main Performance
One way hardware reset interface Two-way UART serial interface One way SPI interface One-way network status indication interface All the way PSM_EINT# interface One way ADC detection interface Working frequency Tri-band: Band3, Band5, Band8 - 9 - Shanghai Yuge Information Technology Co., Ltd. - Page 10 Normal operating temperature –20°C to +70°C Extreme operating temperature –40°C to +85°C temperature range Storage temperature: -45°C to +90°C AT command Support for standard AT instruction sets (Hayes 3GPP TS 27.007 and 27.005) - 10 - Shanghai Yuge Information Technology Co., Ltd.
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Page 11: Module Functional Block Diagram
LPM2100 bt NB Module Hardware Usage Guide 2.3 Module functional block diagram The functional block diagram of the LPM2100 bt series module mainly includes the following units： Baseband processing unit Power management unit RF transceiver unit RF front end unit ... - Page 12 After entering the PSM mode, the module can achieve the minimum power consumption, and the internal power of the module is turned off. The software except the RTC stops running, and the serial port cannot be used. - 12 - Shanghai Yuge Information Technology Co., Ltd.
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Page 13: Chapter 3. Interface Application Description
Chapter 3. Interface application description 3.1 Chapter overview The LPM2100 bt 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 14: Module Pin Description
3.2.2. Module pin description The module interface pin definition is described below： Table 3-1 Pin Parameter Abbreviations Symbol sign Description Input or output Power input Power Output Analog input Analog output Digital input - 14 - Shanghai Yuge Information Technology Co., Ltd. - Page 15 Keep away from interference sources SIM_GND SIM card Groud Status indication NETLIGHT Network status indication 1.8V voltage domain Main serial interface Clear send 1.8V voltage domain Request to send 1.8V voltage - 15 - Shanghai Yuge Information Technology Co., Ltd.
- Page 16 1.8V voltage domain SPI_CLK Serial clock signal 1.8V voltage domain SPI_CS Chip select signal 1.8V voltage domain CHARGE interface VBAT_TS Battery in-position detection Can be left unconnected when not in use - 16 - Shanghai Yuge Information Technology Co., Ltd.
- Page 17 1.1V voltage domain WAKEUP Hardware control PSM pull 1.1V voltage (PSM_EINT) high wake up domain WAKEUP_O Wake up host 1.8V voltage domain 7,24,25,44,49 ,50,55,56,57, Leave empty when 58,67,68,69, not in use 70,75,76,77,7 - 17 - Shanghai Yuge Information Technology Co., Ltd.
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Page 18: Power Interface
83,92,93,94, 95,96,97,98 3.3 Power interface LPM2100 bt series module power interface consists of two parts： VBAT is the working power of the module; VDD_EXT is an internal LDO 1.8V output supply (current load up to 50mA) for external use。... -
Page 19: Vdd_Ext Voltage Output
VBAT pin and place them near the VBAT pin. 3.4 VDD_EXT Voltage output After the LPM2100 bt series module is powered on normally, the 26th pin will output 1.8V and the current load will be 50mA. The external master can read the voltage of VDD_EXT to judge whether the module is powered on. -
Page 20: Module Shutdown
Boot time (according to uart status) 3.5.3 Module shutdown The LPM2100 bt series module shutdown can be powered down via the VBAT pin and shut down using the AT “at+cpof” command. When the module is powered on, the VBAT pin stops the power supply module and shuts down. - Page 21 -0.3 0.84 Figure 3-7 Reset timing diagram The LPM2100 bt series module supports AT command reset, and the AT command is AT+TRB to restart the module. Detailed instructions can be found in the LPM2100 bt AT instruction set manual. - 21 -...
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Page 22: Uart Interface
LPM2100 bt NB Module Hardware Usage Guide 3.6 UART interface The LPM2100 bt series modules provide three sets of UART interfaces. Main serial port, debug serial port, spare serial port. The serial port level is 1.8V. The module is a DCE (Data Communication Equipment) device. -
Page 23: Serial Application Circuit
The serial port of the module is TTL 1.8V level. If the serial port needs to be connected to the MCU of 3.3V level, it is necessary to add a level conversion chip externally to achieve level matching. The chip connection method can refer to the following circuit： - 23 - Shanghai Yuge Information Technology Co., Ltd. -
Page 24: Power Saving Technology
There are two ways for the module to exit the PSM mode: one data terminal device actively sends data wake-up, and the other is when the T3412 timer expires, the TAU starts, and the module exits the PSM. - 24 - Shanghai Yuge Information Technology Co., Ltd. -
Page 25: Power Saving Technology (Drx)
The delay depends on the eDRX cycle configuration, which can balance the low power consumption and the delay. Such as remote shutdown of the gas business. Figure 3-13 eDRX power saving technology - 25 - Shanghai Yuge Information Technology Co., Ltd. -
Page 26: Wakeup Interface
LPM2100 bt NB Module Hardware Usage Guide 3.7.4 WAKEUP interface The LPM2100 bt series module supports the PSM function and wakes up the module by pulling the WAKEUP pin high. Figure 3-14 WAKEUP wake-up module reference circuit 3.7.5 WAKEUP_OUT interface The LPM2100 bt series modules support the WAKEUP_OUT function. -
Page 27: Sim Interface
SIM card ground 3.8.1 SIM card reference circuit The LPM2100 bt 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 28: Sim_Dect Hot Swap Reference Design
3.8.2 SIM_DECT Hot swap reference design * The LPM2100 bt 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 pull-up high. The hot plug function can be turned on or off by AT+HOSCFG. -
Page 29: Adc Interface
③ "*" indicates that it is under development. 3.9 ADC interface The LPM2100 bt 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 30: Spi Interface
LPM2100 bt NB Module Hardware Usage Guide 3.10 SPI interface The LPM2100 bt series module provides a set of SPI interfaces with an interface voltage of 1.8V. Table 3-11 SPI Signal Definition Pin name Functional description Remarks SPI-DI-1 Host input slave output 1.8V voltage domain... -
Page 31: Network Indication Interface
3.12 Network indication interface The LPM2100 bt Series module provides a NENLIGHT pin to indicate network communication status and can be used to drive LED lights that indicate network status. Table 3-13 Network indicator pin definition... -
Page 32: General Purpose Gpio Interface
LED lamp parameters. 3.13 General purpose GPIO interface The LPM2100 bt series module provides four GPIOs. Some of these GPIOs can be reused for multiple functions. Consult the module provider for specific usage Table 3-15 General GPIO Pin Definitions... -
Page 33: Chapter 4. Overall Rf Technical Indicators
Main antenna interface 50Ω characteristic impedance The 53-pin of the LPM2100 bt series module is the main antenna interface. To facilitate the debugging of the antenna, you need to add a π-type matching circuit to the main board. Take the 50-ohm impedance line. The recommended circuit is as follows：... -
Page 34: Gnss Antenna
The 1 pin of the LPM2100 bt series module is the BT 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. -
Page 35: Rf Signal Line Routing Guide
LPM2100 bt NB Module Hardware Usage Guide Figure 4-2 GNSS antenna matching circuit diagram LPM2100 bt series module GNSS antenna is extracted by pad method。 The antenna impedance trace needs to be away from the digital signal line, power ①... -
Page 36: Rf Connector
50 ohm characteristic impedance coaxial connector. Hirose's UF.L-R-SMT connector is recommended. Figure 4-6 RF connector size chart The RF connector plug for this connector is HRS's U.FL-LP series.。 - 36 - Shanghai Yuge Information Technology Co., Ltd. -
Page 37: Working Frequency And Module Series
758 MHz – 803 MHz B28* BDS:B1 BDS:B1-1561.098MHZ GPS:L1 GPS:L1-1575.42MHZ GNSS GLONASS:L1-1602MHZ k*562.5 kHz，k=-7~+6 GLONASS:L1 Galileo:E1-1575.42MHZ Galileo:E1 4.7 Conducted transmit power and receive sensitivity Table 4-6 Conducted emission power indicators Frequency band Maximum Minimum - 37 - Shanghai Yuge Information Technology Co., Ltd. -
Page 38: Power Consumption Characteristics
Max power 125 bt_u:B3 22.2 Max power 182 bt_u:B5 23.1 Max power 176 bt_u:B8 Max power 177 bt:B3 22.3 Max power 182 bt:B5 23.1 Max power 182 bt:B8 23.2 Max power 188 - 38 - Shanghai Yuge Information Technology Co., Ltd. -
Page 39: Chapter 5. Interface Electrical Characteristics
-45°C 90°C 5.3 Module IO level The port IO levels of the LPM2100 bt series modules are as follows: Which corresponds to a 1.8V SIM application, SIM_VDD is 1.8V; corresponding to a 3V SIM application, SIM_VDD is 3V. Other digital IO levels are unified to 1.8V. -
Page 40: Electrostatic Property
5.5 Electrostatic property There is no overvoltage protection inside the LPM2100 bt series module. The module needs to protect against static electricity to ensure product quality. ESD design recommendations：... - Page 41 Height 0.8 m, 6 sides each time, dropped to the horizontal Visual inspection: normal marble platform IEC60068 Drop test Function check: normal Working mode: no packaging, -2-32 RF indicator check: normal Power on, do not boot - 41 - Shanghai Yuge Information Technology Co., Ltd.
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Page 42: Chapter 6. Structural And Mechanical Properties
Exterior Module mechanical size 6.2 Exterior The LPM2100 bt 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 bt series module - 42 -... - Page 43 LPM2100 bt NB Module Hardware Usage Guide Figure 6-2 Front view and side view of the LPM2100 bt series module (unit MM) - 43 - Shanghai Yuge Information Technology Co., Ltd.
- Page 44 LPM2100 bt NB Module Hardware Usage Guide Figure 6-3 Bottom view of the LPM2100 bt series module (in MM) - 44 - Shanghai Yuge Information Technology Co., Ltd.
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Page 45: Chapter 7. Production And Packaging
Celsius (allowing fluctuations of up to 5 degrees Celsius)。 7.3 Production welding The LPM2100 bt series modules are packaged in anti-static trays. The SMT line needs to be equipped with a Tray module. It is recommended to use a reflow oven above 7 temperature zones；... - Page 46 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℃～210℃） (t1～t2)：70s～120s Recirculation zone（> 217℃） (t3～t4)：40s～60s Peak temperature： 235℃～ 245℃ Cooling zone Cooling rate：2℃/s ≤ Slope ≤ 5℃/s - 46 - Shanghai Yuge Information Technology Co., Ltd.
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Page 47: Chapter 8. Abbreviation
Light-Emitting Diode Not Connected Universal Subscriber Identity Module Transient Voltage Suppressor Printed Circuit Board Transmitting Direction UART Universal Asynchronous Receiver-Transmitter QPSK Quadrature Phase Shift Keying Radio Frequency GNSS Global Navigation Satellite System - 47 - Shanghai Yuge Information Technology Co., Ltd.
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