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Summary of Contents for UNICORECOMM UM620N
- Page 1 INSTALLATION AND OPERATION USER MANUAL WWW.UNICORECOMM.COM UM620N Automotive Grade Dual-frequency Multi-GNSS Positioning Module Copyright© 2009-2022, Unicore Communications, Inc. Data subject to change without notice.
- Page 2 Unicore holds the trademarks of “和芯星通”, “UNICORECOMM” and other trade name, trademark, icon, logo, brand name and/or service mark of Unicore products or their product serial referred to in this manual (collectively “Unicore Trademarks”).
- Page 3 UM620N User Manual Foreword This document describes the information of the hardware, installation, specification and the use of Unicore UM620N modules. Document Structure 1. Product introduction 2. Installation guide 3. Technical specifications 4. Package 5. Clean 6. Reflow soldering...
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Page 4: Table Of Contents
Contents Introduction ......................1 Overview ......................... 1 Key Specifications ......................2 Interfaces ........................3 Product Installation ....................5 Preparations ........................5 Hardware Installation ....................6 Technical Specifications ..................7 Electrical Specifications ....................7 Operational Conditions ....................7 Dimensions ........................8 Pin Definition ......................... -
Page 5: Introduction
UM620N supports multi-system joint positioning and single system standalone positioning. It can output accurate positioning results even in complex scenarios. The chip of UM620N conforms to the requirements of AEC-Q100, and the manufacturing process is in line with IATF 16949. -
Page 6: Key Specifications
1.2 Key Specifications Power Voltage +2.7 V ~ 3.6 V DC Power Consumption 300 mW RF Input Constellations GPS/GLONASS/BDS/Galileo/QZSS/NAVIC (IRNSS) Standing Wave Ratio ≤ 2.5 Input Impedance 50 Ω Antenna Gain 15 dB ~ 30 dB Physical Characteristics Dimensions 16.0 mm * 12.2 mm * 2.4 mm Input / Output Data Interface LVTTL level UART x 2... -
Page 7: Interfaces
Power Supply UM620N Backup Power Supply Figure 1-1 UM620N Block Diagram UART UM620N has two configurable UART ports. UART1 is the main serial port, which supports data transmission and firmware upgrade, and the signal input/output voltage UC-00-M30 EN R1.0 Introduction... - Page 8 PC or an external processor for firmware upgrade. UART2 only supports data transmission and can’t be used for firmware upgrade. 1PPS UM620N outputs 1PPS with adjustable pulse width and polarity. 1PPS is not for timing application. nRESET Active low, and the active time is required to last at least 10 ms.
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Page 9: Product Installation
UM620N User Manual 2 Product Installation 2.1 Preparations UM620N modules are Electrostatic Sensitive Devices (ESD) and must be installed with special precautions when handling. Please follow the instructions below before opening the anti-static plastic box. Follow the steps in section 2.2 in the correct order. -
Page 10: Hardware Installation
Step 1: Make sure to take full anti-static measures, such as wearing an anti-static wrist strap and grounding the workbench. Step 2: Open the UM620N evaluation kit and take out the evaluation board. Step 3: Use the GNSS antenna with appropriate gain and fix it in a non-blocking area;... -
Page 11: Technical Specifications
UM620N User Manual 3 Technical Specifications 3.1 Electrical Specifications Absolute Maximum Ratings Item Unit Description Power Supply (VCC) -0.5 Main power supply Backup Voltage (V_BCKP) -0.5 Backup power supply for RTC Voltage of the digital signal Digital IO Voltage -0.5... -
Page 12: Dimensions
3.3 Dimensions Symbol Min (mm) Typical (mm) Max (mm) 15.9 16.0 16.5 12.05 12.2 12.35 K (Outer edge of the stamp hole) N (Inner edge of the stamp hole) Figure 3-1 Mechanical Layout Technical Specifications UC-00-M30 EN R1.0... -
Page 13: Pin Definition
UM620N User Manual 3.4 Pin Definition LNA_EN RF_IN VCC_RF nRESET Top View SDA / SPI CS_N SCL / SPI CLK TXD2 RXD2 TXD1 / SPI MISO RXD1 / SPI MOSI V_BCKP TIME PULSE nRESET Figure 3-2 Pin Assignment Pin No. - Page 14 Pin No. Name Electrical Level Description RF_IN — GNSS signal input — — Ground — — Ground LNA_EN — Enable external LNA — — Floating — — Floating — — Floating SDA / SPI C data (D_SEL=VCC or floating)/SPI — —...
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Page 15: Pcb Packaging
43.3 (1.1) 50 (1.27) 480 (12.2) Figure 3-3 UM620N Recommended PCB Packaging (unit: mil, in brackets: mm) When designing PCB solder mask, make sure that the area under UM620N is completely coated with solder mask. UC-00-M30 EN R1.0 Technical Specifications... -
Page 16: Package
16.0 mm x 12.2 mm, 500 pieces/reel 4.3 Package Description The UM620N modules use carrier tape and reel (suitable for mainstream surface mount devices), packaged in vacuum-sealed aluminum foil antistatic bags, with a desiccant inside to prevent moisture. When using reflow soldering process to solder the modules, please strictly comply with IPC standard to conduct temperature and humidity control. -
Page 17: Clean
Width: 24 mm Thickness: 2.0 mm Carrier Tape Space between (center-to-center distance): 20 mm UM620N modules are rated at MSL level 3. Please refer to the relevant IPC/JEDEC standards for baking requirements. Users may access to the website www.jedec.org get more information. -
Page 18: Reflow Soldering
6 Reflow Soldering In order to avoid the device falling off, the module should be placed on the top of the main board during soldering. Reflow soldering temperature curve is recommended as shown in figure 6-1 below (M705-GRN360 is recommended for solder paste). Note: The module can only be soldered once. - Page 19 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...
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