u-blox LEA-5Q Manuals

Manuals and User Guides for u-blox LEA-5Q. We have 1 u-blox LEA-5Q manual available for free PDF download: Hardware Manual

u-blox LEA-5Q Hardware Manual

u-blox LEA-5Q Hardware Manual (68 pages)

5 Gps modules

Brand: u-blox | Category: GPS | Size: 1 MB

Table of Contents

Preface

3
Contents

5
- Table of Contents
  5
1 Hardware Description

8
- Overview
  8
- Architecture
  8
- Power Management
  9
  - Connecting Power
    9
  - Operating Modes
    10
  - V_Ant (Lea-5H/5S/5A, Tim-5H)
    11
- System Functions
  11
  - EXTINT - -Xternal Interrupt Pin
    11
  - System Monitoring
    11
- Interfaces
  11
  - Uart
    11
  - Usb (Lea-5, Neo-5)
    12
  - DDC (Lea-5, Neo-5)
    13
  - SPI (Planned with LEA-5Q and NEO-5Q/5G)
    17
- I/O Pins
  22
  - Reset_N (Lea-5, Tim-5H)
    22
  - Extint0
    22
  - Aadet_N (Lea-5, Tim-5H)
    22
  - Configuration Pins (LEA-5S/5A/5Q/5M, NEO-5)
    22
2 Design-In

23
- Design-In Checklist
  23
  - Layout Design-In Checklist
    23
  - Design Considerations
    25
- LEA-5 Design
  26
- NEO-5 Design
  30
  - Passive Antenna Design (NEO-5)
    30
- TIM-5H Design
  31
- Layout
  32
  - Footprint and Paste Mask
    32
  - Placement
    34
  - Antenna Connection and Grounding Plane Design
    36
  - Antenna Micro Strip
    37
- Antenna and Antenna Supervisor
  38
- EOS/ESD/EMI Precautions
  46
  - Abbreviations
    46
  - Electrostatic Discharge (ESD)
    46
  - ESD Protection Measures
    46
  - Electrical Overstress (EOS)
    47
  - EOS Protection Measures
    47
  - Electromagnetic Interference (EMI)
    47
  - GSM Applications
    48
  - Recommended Parts
    50
3 Handling and Soldering

51
- Packaging, Shipping, Storage and Moisture Preconditioning
  51
- ESD Handling Precautions
  51
- Soldering
  52
  - Soldering Paste
    52
  - Reflow Soldering
    52
  - Optical Inspection
    53
  - Cleaning
    53
  - Repeated Reflow Soldering
    54
  - Wave Soldering
    54
  - Hand Soldering
    54
  - Rework
    54
  - Conformal Coating
    54
  - Casting
    54
  - Grounding Metal Covers
    55
  - Use of Ultrasonic Processes
    55
4 Product Testing

56
Appendix

58
A Migration to U-Blox-5 Receivers

58
Related Documents

67
Revision History

67
Contact

68

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