Related Manuals for unicore UM220-IV NV
Summary of Contents for unicore UM220-IV NV
- Page 1 INSTALLATION AND OPERATION USER MANUAL WWW.UNICORECOMM.COM UM220-IV NV Automotive Grade Multi-GNSS Positioning Module Copyright© 2009-2023, Unicore Communications, Inc. Data subject to change without notice.
- Page 2 Revision History Version Revision History Date Unicorecomm UM220-IV NV-GN user manual Primary. Ver. 1.0.0 Dec.2017 Version 1.0 Alpha release. Update definition name and performance Ver. 1.0.1 Oct.2018 parameter of pins Alpha release. Update reflow soldering information; Update product label description;...
- Page 3 Information, such as product specifications, descriptions, features and user guide in this manual, are subject to change by Unicore at any time without prior notice, which may not be completely consistent with such information of the specific product you purchase.
- Page 4 Installation: Containing the list of the product package and the details of product installation Technical Specification: Offering technical specifications of the product Hardware Specification: Offering all the information of hardware interface of the product Mechanical Features: Offering UM220-IV NV-GN dimensions, layout, and top views.
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Page 5: Table Of Contents
UM220-IV NV User Manual Contents Introduction ......................1 Overview ........................1 Key Features ......................2 Interface ........................3 Product Installation ....................4 Installation Preparation ................... 4 Hardware Installation ....................5 Technical Specifications ..................6 Electrical Specifications ..................6 Operation Condition ....................6 Dimensions ...................... -
Page 6: Introduction
It can receive the QZSS signal and support AGNSS. When connected to network, the positioning speed will be improved by UNICORECOMM’s assist data service. UM220-IV NV-GN 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 power consumption fields. -
Page 7: Key Features
UM220-IV NV User Manual 1.2 Key Features Power Voltage +3.0~3.6 VDC Power Consumption 90mW RF Input Input VSWR ≤2.5 Input Impedance 50Ω Antenna Gain 15～30dB Physical Characteristics Dimension 16.0*12.2*2.4mm Weight 0.8g Environment Operating Temperature -40℃ ~ +85℃ Storage Temperature -45℃ ~ +90℃... -
Page 8: Interface
Figure 1-2 Structure Chart UART UM220-IV NV-GN module COM1 is the primary serial port, which supports data transfer and firmware upgrade function. The signal input/output level is LVTTL. The default baud rate varies according to the version of firmware, and the baud rate can be configured up... -
Page 9: Product Installation
Hold the edge of the module, not in direct contact with the components Please check carefully whether the module has obviously loose or damaged components. If you have questions, please contact us or your local dealer. Figure 2-1 shows the typical installation of UM220-IV NV-GN EVK suites Antenna Receiver or the... -
Page 10: Hardware Installation
UM220 EVK; Step 4：Connect the PC to the EVK serial port through direct serial cable; Step 5：Power the evaluation board and initialize the UM220-IV NV-GN; Step 6：Run the uSTAR Step 7：Control the receiver through uSTAR to display constellations view, log... -
Page 11: Technical Specifications
UM220-IV NV User Manual 3 Technical Specifications 3.1 Electrical Specifications Absolute Maximum Ratings Item Unit Condition Power Supply(VCC) -0.5 VCC Ripple Vrpp Digital IO -0.5 Vcc +0.2 Storage Temperature Tstg ℃ □Level 1 □Level 2 ■Level 3 □TBD 3.2 Operation Condition... -
Page 12: Dimensions
3.3 Dimensions Table 3-1 Dimensions Symbol Min (mm) Type (mm) Max (mm) 15.9 16.0 16.5 12.05 12.2 12.35 K (Outside the hole) N (Inside the hole) Figure 3-1 Mechanical Layout... -
Page 13: Pin Definition (Top View)
UM220-IV NV User Manual 3.4 Pin Definition (Top View) Figure 3-2 UM220-IV NV-GN Top View Name Electrical level Description For reset, Low level active, if you do not nRESET LVTTL use the pin, please leave it hanging AADET_N LVTTL Antenna detection... -
Page 14: Pcb Packaging
Main power — 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... -
Page 15: Hardware Design
UM220-IV NV User Manual 4 Hardware Design 4.1 Design in Considerations To ensure that UM220-IV NV-GN works normally, please pay attention to the following: Connect all the GND pins to ground. Connect the RF_IN signal to the antenna, and the line should keep 50Ω impedance ... -
Page 16: Power Supply Requirements
4.2 Power Supply Requirements 4.2.1 Main Supply (VCC) The voltage range of VCC is 3.0 V ~ 3.6 V. Notes: The VCC initial level when power-on should be less than 0.4 V. The VCC ramp when power-on should be monotonic, without plateaus. ... -
Page 17: Avoid Power Leakage
4.4 Reset If the reset pin nRESET of UM220-IV NV-GN module needs to be used, the following 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. -
Page 18: Serial Port
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. -
Page 19: Disassembly
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 desiccant and moisture-proof agent. When using reflow welding process to weld modules, please strictly comply with IPC standard to conduct humidity control on modules. - Page 20 6-2. Bake modules firstly before soldering if the 30% indication turns pink, as shown in figure 6-3. The UM220-IV NV-GN modules are rated at MSL level 3. For more MSL information, please visit www.jedec.org.
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Page 21: Clean
UM220-IV NV User Manual Figure 6-3 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, causing mildew and other problems. -
Page 22: Reflow Soldering
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 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 customer's own design requirements and inspection specifications, and the thickness of the stencil should be above 0.15mm,... - Page 23 和芯星通科技（北京）有限公司 Unicore Communications, Inc. 北京市海淀区丰贤东路 7 号北斗星通大厦三层 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...