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unicore UM220-IV NV, Инструкция по установке и эксплуатации

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unicore UM220-IV NV Скачать руководство пользователя страница 14

 

 

9 

 

No

 

Name

 

I/O

 

Electrical level

 

Description

 

16 

NC 

 

 

reserve 

17 

NC 

 

 

reserve 

18 

NC 

I/O  LVTTL 

reserve 

19 

NC 

I/O  LVTTL 

reserve 

20 

TXD1 

O 

LVTTL 

UART 1-TX 

21 

RXD1 

I 

LVTTL 

UART 1-RX 

22 

V_BCKP 

I 

1.65V~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 

 

 

 

Figure 3-3 UM220-IV NV-GN Recommended PCB Packaging (unit: mil, in brackets: mm) 

 

In the design of PCB solder, make sure the area of the UM220-IV NV-GN modules are fully 

covered with solder layer 

 

Содержание UM220-IV NV

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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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