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unicore UM220-IV NV, Installation And Operation User Manual

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unicore UM220-IV NV Installation And Operation User Manual Download Page 18

 

 

13 

 

V_BIAS

UM220 -IV NV-GN

RF_IN

VCC_RF

 

Figure 4-2 UM220-IV NV-GN Active Antenna Solution  

If UM220-IV NV-GN uses a passive antenna, the antenna can be directly connected to 

the RF_IN pin. It should be noted that the use of passive antennas may cause a 

decrease in GNSS performance compared to active antennas. 

UM220 -IV NV-GN

RF_IN

VCC_RF

 

Figure 4-3 UM220-IV NV-GN Passive Antenna Solution 

4.6

 

Serial Port 

UM220-IV NV-GN has two LVTTL serial ports, for PC connection, please use a RS232 

voltage level converter. 

UM220-IV 

NV-GN

 

PC

RS232 

UART2

UART1

RS232 2

RS232 1

 

Figure 4-4 Connect COM to PC 

 

 

Summary of Contents for UM220-IV NV

Page 1: ...NSTALLATION AND OPERATION USER MANUAL WWW UNICORECOMM COM Copyright 2009 2023 Unicore Communications Inc Data subject to change without notice UM220 IV NV Automotive Grade Multi GNSS Positioning Modul...

Page 2: ...a position Chapter 6 2 Package description add the shelf life Sep 2019 R2 Chapter 6 2 revise the MSL instructions Revise the following parameters power consumption Iccp IACQ and Input VSWR 1 1 Overvie...

Page 3: ...expressly implied by estoppel or any other form the granting or transferring of Unicore rights and or interests including but not limited to the aforementioned trademark rights in whole or in part Di...

Page 4: ...ders Structure of the file This document includes the following Introduction Briefly explaining the functions performances and installation of the product Installation Containing the list of the produ...

Page 5: ...tions 6 3 2 Operation Condition 6 3 3 Dimensions 7 3 4 Pin Definition Top View 8 3 5 PCB Packaging 9 4 Hardware Design 10 4 1 Design in Considerations 10 4 2 Power Supply Requirements 11 4 2 1 Main Su...

Page 6: ...support fully automatic integration of standard discharge and reflow soldering especially suitable for low cost and low power consumption fields Figure 1 1 UM220 IV NV GN Module Diagram Model PN Stan...

Page 7: ...85 Storage Temperature 45 90 RoHS Accord Input Output Data Interface UART 2 UART LVTTL Acceptable baud rate 9600 460800bps GNSS Performance Frequency BDS B1 1561 098MHZ GPS L1 1575 42MHZ GLO L1 1602 5...

Page 8: ...Interface GNSS IC LNA SAW TCXO Battery RTC Crystal RESET_N UART PPS UM220 IV NV Figure 1 2 Structure Chart UART UM220 IV NV GN module COM1 is the primary serial port which supports data transfer and f...

Page 9: ...e ESD may cause damage to the device All operations mentioned in this chapter should be carried out on an antistatic workbench wear an antistatic wrist strap and use a conductive foam pad If an antist...

Page 10: ...arations follow the steps below to install Step 1 Make sure to take full anti static measures such as wearing an anti static wrist strap grounding the workbench Step 2 Open the UM220 IV NV GN evaluati...

Page 11: ...el 2 Level 3 TBD 3 2 Operation Condition Item Pin Min Typical Max Unit Condition Power Supply VCC Vcc 3 0 3 3 3 6 V Peak Current Iccp 60 mA Vcc 3 0 V Tracking Average Current IACQ 28 30 32 mA Vcc 3 0V...

Page 12: ...Min mm Type mm Max mm A 15 9 16 0 16 5 B 12 05 12 2 12 35 C 2 2 2 4 2 6 D 0 9 1 0 1 3 E 1 0 1 1 1 2 F 2 9 3 0 3 1 G 0 9 1 0 1 3 H 0 7 0 8 0 9 K Outside the hole 0 7 0 8 0 9 N Inside the hole 0 4 0 5 0...

Page 13: ...O Electrical level Description 1 nRESET I LVTTL For reset Low level active if you do not use the pin please leave it hanging 2 AADET_N I LVTTL Antenna detection 3 TIMEPULSE O LVTTL Time pulse 1PPS 4 N...

Page 14: ...3 6V Backup voltage supply If you do not use the hot start function connect V_BCKP to VCC Do NOT connect it to ground or leave it floating 23 VCC 3 0V 3 6 V Main power 24 GND Ground 3 5 PCB Packaging...

Page 15: ...lace LDO close to the module in layout Widen the power circuit or use copper pour surface to transmit current Avoid walking through any high power or high inductance devices such as a magnetic coil UA...

Page 16: ...ackup Supply V_BCKP If the hot start function is needed users should supply backup power to the module The voltage range of V_BCKP is 1 65 V 3 6 V Notes The V_BCKP initial level when power on should b...

Page 17: ...lowing timing requirements must be met between the nRESET and the power supply VCC During normal operation of the module pulling down the nRESET pin over the 5ms can also reset the UM220 IV NV GN VCC...

Page 18: ...d be noted that the use of passive antennas may cause a decrease in GNSS performance compared to active antennas UM220 IV NV GN RF_IN VCC_RF Figure 4 3 UM220 IV NV GN Passive Antenna Solution 4 6 Seri...

Page 19: ...odule or it may lead to module damage 6 Package 6 1 Product Label Description 6 2 Package Description The UM220 IV NV GN module is packaged in vacuum sealed aluminum foil anti static bag with desiccan...

Page 20: ...pe 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 30 indicati...

Page 21: ...3 The 30 Indication Is Pink The shelf life of UM220 IV NV GN is one year 7 Clean Do not use alcohol or other organic solvents to clean or it may lead to flux residues seeping into the shielding shell...

Page 22: ...ing temperature curve is recommended as shown in figure 8 1 below M705 GRN360 is recommended for solder paste Figure 8 1 Reflow Soldering Profile Note The apertures in the stencil need to meet the cus...

Page 23: ...Unicore Communications Inc 7 F3 No 7 Fengxian East Road Haidian Beijing P R China 100094 www unicorecomm com Phone 86 10 69939800 Fax 86 10 69939888 info unicorecomm com www unicorecomm com...

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