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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  

 

 

37 

mA 

Vcc=3.0 V  

Tracking average 
current 

I

ACQ

 

19 

20 

21 

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 

2.1 

2.2 

2.3 

0.55 

0.65 

0.95 

1.0 

1.1 

1.2 

F 

0.7 

0.8 

0.9 

G 

0.3 

0.4 

0.5 

Summary of Contents for UM220-IV M0

Page 1: ...WWW UNICORECOMM COM INSTALLATION AND OPERATION USER MANUAL Data subject to change without notice Copyright 2009 2020 Unicore Communications Inc GNSS Positioning Module UM220 IV M0...

Page 2: ...ces and does not represent a commitment on the part of Unicore Communication Inc No part of this manual may be reproduced or transmitted in any form or by any means electronic or mechanical including...

Page 3: ...ers Structure of the Document This document includes the following Introduction Briefly explaining the functions performances and installing of the product Installation Contains the list of the produc...

Page 4: ...ECHNICAL SPECIFICATIONS 5 3 1 ELECTRICAL SPECIFICATIONS 5 3 2 OPERATION CONDITION 5 3 3 DIMENSIONS 5 3 4 PIN DEFINITION TOP VIEW 6 4 HARDWARE DESIGN 7 4 1 DESIGN IN CONSIDERATIONS 7 4 2 AVOID POWER CO...

Page 5: ...d used SMT pads to support fully automatic integration of standard discharge and reflow soldering especially suitable for low cost and low power consumption fields The radio equipment is in compliance...

Page 6: ...ot Start 1s Reacquisition 1s AGNSS1 4s Positioning accuracy 2 0m CEP dual system horizontal open sky 3 5m CEP dual system vertical open sky Velocity accuracy RMS 0 1m s dual system Open sky Sensitivit...

Page 7: ...ctrostatic discharge ESD may cause damage to the device All operations mentioned in this chapter shall be carried out in an antistatic workbench using both wearing an antistatic wrist strap and a cond...

Page 8: ...e follow the steps below to install Step 1 Make sure to make full anti static measures such as anti static wrist strap grounding the workbench Step 2 Open the UM220 IV M0 evaluation kit Step 3 Select...

Page 9: ...Vcc 2 8 3 3 3 6 V Peak current Iccp 37 mA Vcc 3 0 V Tracking average current IACQ 19 20 21 mA Vcc 3 0V Low level input voltage Vin_low 0 7 V High level input voltage Vin_high 1 2 V Low level output v...

Page 10: ...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 6 7 8 9 18 17 16 15 14 13 12 11 10 Figure 3 2 UM220 IV M0 No Name I O Electrical level De...

Page 11: ...CC power off and then on the power off time must be more than 10ms Recommended in serial concatenated RX place 1K resistance TX concatenated 33 or 1 K resistance other need PIO concatenated 4 7K resis...

Page 12: ...sensitive device dramatic changes in temperature will result in reduced performance keep it as far away from the high power high temperature air and heating devices as possible 4 2 Avoid Power Connec...

Page 13: ...2 UM220 IV M0 Active Antenna Other than 3v Solution If UM220 IV M0 uses passive antenna the antenna is directly connected to RF_IN pin while VCC_RF can be suspended It should be noted that the use of...

Page 14: ...UM220 IV M0 User Manual 10 UM220 IV M0 PC RS232 UART1 RS232 1 Figure 4 4 Connect COM to PC...

Page 15: ...M0 module is packaged in vacuum sealed aluminum foil anti static bag with desiccant and moisture proof agent When using reflow welding process to weld modules please strictly comply with IPC standard...

Page 16: ...m Carrier tape Space between 20mm Check the humidity indicator card before soldering The 30 indication is blue for normal conditions as shown in figure 6 2 Bake modules firstly before soldering if the...

Page 17: ...the shielding shell causing mildew and other problems 8 Reflow Soldering In order to avoid device falling off the module should be placed on the top of the main board during welding Reflow soldering t...

Page 18: ...UM220 IV M0 User Manual 14...

Page 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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