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 UM220-IV M0 User Manual 

 
 

3

 

Technical Specifications 

3.1

 

Electrical Specifications 

Absolute Maximum Ratings 

Item  

Pin  

Min  

Max  

Unit 

Condition  

Power Supply (VCC)  

Vcc  

-0.5 

3.6 

 

VCC Ripple 

Vrpp 

 

50 

mV 

 

Digital IO  

Vin  

-0.5 

Vcc +0.2 

 

Storage Temperature  

Tstg  

-45 

90 

 

 

MSD (MSL) 

Level 1   

Level 2   

Level 3   

TBD 

3.2

 

Operation Condition 

Item 

Pin 

Min 

Typical 
Value 

Max 

Unit 

Condition 

Power Supply (VCC)  

Vcc  

2.8 

3.3 

3.6 

  

Peak Current 

Iccp  

 

 

53 

mA 

Vcc=3.0 V  

Tracking Average 
Current 

I

ACQ

 

29 

30 

31 

mA 

Vcc=3.0V 

Low Level Input Voltage  Vin_low 

 

 

0.7 

 

High Level Input 
Voltage 

Vin_high 

1.2 

 

 

 

Low Level Output 
Voltage 

Vout_low    

 

0.4 

Iout=-8 mA  

High Level Output 
Voltage 

Vout_high   Vcc–0.4   

 

Iout=8 mA  

Antenna Gain 

Gant  

15 

 

30 

dB 

 

Nosie Figure 

Nftot  

 

 

dB 

 

Operation Temperature 

Topr  

-40 

 

85 

 

 

3.3

 

Dimensions 

Table 3-1: Dimensions 

Symbol 

Min (mm) 

Typical Value (mm) 

Max (mm) 

9.6 

10.1 

10.7 

9.55 

9.7 

9.85 

1.9 

2.0 

2.1 

0.55 

0.65 

0.95 

1.0 

1.1 

1.2 

F 

0.5 

0.6 

0.7 

Содержание UM220-IV M0

Страница 1: ...WWW UNICORECOMM COM INSTALLATION AND OPERATION USER MANUAL Data subject to change without notice Communications Inc UM220 IV M0 Copyright 2009 2021 Unicore Positioning Module Industry Grade Multi GNSS...

Страница 2: ...ec 2020 R2 1 Add the descriptions of SMT stencil Jun 2021 Disclaimer Information in this document is subject to change without notices and does not represent a commitment on the part of Unicore Commun...

Страница 3: ...aders Structure of the Document This document includes the following Introduction Briefly explaining the functions performances and installing of the product Installation Containing the list of the pr...

Страница 4: ...HNICAL SPECIFICATIONS 6 3 1 ELECTRICAL SPECIFICATIONS 6 3 2 OPERATION CONDITION 6 3 3 DIMENSIONS 6 3 4 PIN DEFINITION TOP VIEW 7 4 HARDWARE DESIGN 8 4 1 DESIGN IN CONSIDERATIONS 8 4 2 AVOID POWER CONN...

Страница 5: ...nd single system positioning UM220 IV M0 is compact in size and uses SMT pads to support fully automatic integration of standard discharge and reflow soldering especially suitable for low cost and low...

Страница 6: ...Baud rate 4800 115200bps GNSS Performance Frequency BDS B1 1561 098MHz GPS L1 1575 42MHz TTFF Cold Start 28s Hot Start 1s Reacquisition 1s AGNSS1 4s Positioning Accuracy2 2 0m dual system horizontal o...

Страница 7: ...e 1 2 Structure Chart UART UM220 IV M0 module supports data transfer and firmware upgrade the signal input output level is LVTTL The default baud rate is 9600bps which is adjustable and can be configu...

Страница 8: ...s not available wear an antistatic wrist strap and connect the other end to a metal frame to play a role in anti static Hold the edge of the module not in direct contact with the components Please che...

Страница 9: ...ding the workbench Step 2 Open the UM220 IV M0 evaluation kit Step 3 Select the GNSS antenna with appropriate gain fix it in the non block area using the appropriate cable to connect the antenna to UM...

Страница 10: ...on Power Supply VCC Vcc 2 8 3 3 3 6 V Peak Current Iccp 53 mA Vcc 3 0 V Tracking Average Current IACQ 29 30 31 mA Vcc 3 0V Low Level Input Voltage Vin_low 0 7 V High Level Input Voltage Vin_high 1 2 V...

Страница 11: ...9 1 0 1 1 K 0 6 0 7 0 8 M 0 7 0 8 0 9 Figure 3 1 Mechanical Layout 3 4 Pin Definition Top View GND NC VCC_RF NC NC RXD TIMEPULSE GND TXD GND nRESET NC NC RF_IN NC V_BCKP VCC_IO VCC Top View 1 2 3 4 5...

Страница 12: ...section 15 NC I O Reserve 16 NC I O Reserve 17 NC I O Reserve 18 NC I O Reserve 4 Hardware Design 4 1 Design in Considerations To make UM220 IV M0 work normally you need to properly connect the follow...

Страница 13: ...igh power or high inductance devices such as a magnetic coil UART interfaces Ensure that the signals and baud rate of main equipment match that of UM220 IV M0 module Antenna interface Make sure the an...

Страница 14: ...sistor to TX and a 4 7K resistor to other necessary PIO in the Pin 4 3 Antenna If UM220 IV M0 uses a 3V active antenna it is recommended to use the VCC_RF pin output to power the antenna through a fee...

Страница 15: ...Figure 4 3 UM220 IV M0 Passive Antenna Solution 4 4 Serial Port UM220 IV M0 has one LVTTL serial port for PC connection please use a RS232 voltage level converter UM220 IV M0 PC RS232 UART1 RS232 1 F...

Страница 16: ...the module may lead to module damage 6 Package 6 1 Product Label Description 6 2 Package Description The UM220 IV M0 modules are packaged in vacuum sealed aluminum foil anti static bags with desiccant...

Страница 17: ...pe Space between 20mm Check the humidity indicator card before soldering The 30 indication is blue under normal conditions as shown in figure 6 2 Bake modules firstly before soldering if the 30 indica...

Страница 18: ...oid device falling off the module should be placed on the top of the main board during welding Reflow soldering temperature curve is recommended as shown in figure 8 1 below M705 GRN360 is recommended...

Страница 19: ...www unicorecomm com Unicore Communications Inc www unicorecomm com Phone 86 10 69939800 Fax 86 10 69939888 info unicorecomm com 7 F3 No 7 Fengxian East Road Haidian Beijing P R China 100094...

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