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Summary of Contents for Tyco Electronics A1029
- Page 1 GPS Receivers A1029 A description of Tyco Electronics’ GPS modules A1029-A/-C and A1029-B/-D including Dead Reckoning interface User’s Manual Version 4.0 Hardware Revision 04/05...
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Page 3: Revision History
Minor corrections after R&D review. 10-06-04 Minor corrections. 10-11-04 Format changes, correct pin-out of A1029B, added tray descrip- tion on A1029-B. 02-23-05 Introduced new contact details. 07-01-05 Description of additional Dead Reckoning signal interface (HW version 02), added details for use of nRST signal. - Page 4 SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF TYCO ELEC- TRONICS. THIS DOCUMENT MAY PROVIDE LINKS TO OTHER WORLD WIDE WEB SITES OR RESOURCES. BECAUSE TYCO ELECTRONICS HAS NO CONTROL OVER SUCH SITES AND RESOURCES, TYCO ELECTRONICS SHALL NOT BE RESPONSIBLE FOR THE AVAILABILITY OF SUCH EXTERNAL SITES OR...
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Page 5: Table Of Contents
1.3 Characteristics ....................8 1.4 Handling Precautions ..................9 2 Ordering Information ..................10 2.1 GPS Receiver A1029-A/-C and A1029-B/-D ........... 10 2.2 Packing ......................10 2.2.1 Packaging of the A1029-A/-C ................... 10 2.2.2 Packaging of the A1029-B/-D ................... 11 2.3 Additional Equipment .................. - Page 6 11.9.1 Simple Example...................... 43 11.9.2 Integrated solution ....................44 12 Demonstration Kits ..................45 12.1 USB Kit A1029-A/-C..................45 12.2 Evaluation Kit A1029-A/-C ................45 12.3 Demonstration Kit A1029-B/-D ..............45 13 Related Information ..................46 13.1 Contact......................46 13.2 Related Documents..................46 14 List of Tables ....................
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Page 7: Introduction
All modules are capable of receiving signals from up to 12 GPS satellites and transferring them into position and timing information that can be read over a serial port. The A1029-C (and therefore the A1029-D) is using a TCXO (thermal compensated crystal oscillator) to improve TTFF by around 25% instead of a standard crystal used by the A1029-A. -
Page 8: Dead Reckoning
In order to be able to support all necessary signals, the I/O connector of the A1029-B/-D was extended by two pins on each side (total of 4 pins) keeping the center pins (signals and position) identical. -
Page 9: Handling Precautions
GPS Receivers A1029-A/-C, A1029-B/-D 1.4 Handling Precautions The GPS receiver modules A1029-A/-C and A1029-B/-D are modules that are sen- sitive to electrostatic discharge (ESD). Please handle with appropriate care. V4.0 – 03/07 User’s Manual Page 9 of 47... -
Page 10: Ordering Information
The functionality of both software versions is reflected in the according manuals. 2.2 Packing 2.2.1 Packaging of the A1029-A/-C The A1029-A/-C GPS module comes in a tape and reel package suitable for pick and place machines. Figure 2: A1029-A/-C tape specifications (1) Page 10 of 47 User’s Manual... -
Page 11: Packaging Of The A1029-B/-D
GPS Receivers A1029-A/-C, A1029-B/-D Figure 3: A1029-A/-C tape specifications (2) 2.2.2 Packaging of the A1029-B/-D The A1029-B/-D comes in trays, with 12 modules per tray. Figure 4: A1029-B/-D tray specification V4.0 – 03/07 User’s Manual Page 11 of 47... -
Page 12: Additional Equipment
GPS Receivers A1029-A/-C, A1029-B/-D 2.3 Additional Equipment V23993USB1029A Demonstration Kit (including one module V23993A1029A) V23993USB1029C Demonstration Kit (including one module V23993A1029C) V23993EVA1029A Evaluation Kit (including one module V23993A1029A) V23993EVA1029C Evaluation Kit (including one module V23993A1029C) V23993DKS1029B Demonstration Kit (including one module V23993A1029B) -
Page 13: Quick Start
A1029-A/-C, A1029-B/-D 3 Quick Start In order to allow an easy and quick start with the modules A1029-A/-C or A1029-B/- D, this chapter provides a short overview on the most important steps to receive NMEA messages with position information on a serial port. For details please refer to the according chapters. -
Page 14: Antenna
This is described in the firmware manual. Please refer there to chapter “Start-up Support” in the document T.E. GPS Firmware A1029. Page 14 of 47 User’s Manual... -
Page 15: Mechanical Outline
GPS Receivers A1029-A/-C, A1029-B/-D 4 Mechanical Outline 4.1 Overview A1029-A/-C 4.1.1 Overall module dimensions All dimensions in [mm], 1) Minimum, 2) Maximum Figure 6: Mechanical outline overview A1029-A/-C V4.0 – 03/07 User’s Manual Page 15 of 47... -
Page 16: Details Component Side A1029-A
GPS Receivers A1029-A/-C, A1029-B/-D 4.1.2 Details Component Side A1029-A All dimensions in [mm] Figure 7: Mechanical outline component side A1029-A/-C Page 16 of 47 User’s Manual V4.0 - 03/07... -
Page 17: Details Solder Side A1029-A/-C
Distance between solder pads within groups 1-9, 10-17, 18-25, 26-34: 1.27 Distance between groups (1-9 to 10-17 and 18-25 to 26-34): 5.08 All dimensions in [mm] Figure 8: Mechanical outline solder side A1029-A/-C V4.0 – 03/07 User’s Manual Page 17 of 47... -
Page 18: Overview A1029-B/-D
Figure 9: Mechanical outline overview A1029-B/-D 4.2.2 Connector A1029-B/-D The power and I/O connector used on the A1029-B/-D is a 1.27mm (0.05”) low pro- file, double row socket with a height of 2.21mm (.087”) and a total of 26 contacts on HW version 02 and higher (used to be 22 on HW version 01). -
Page 19: Pin-Out Information
GPS Receivers A1029-A/-C, A1029-B/-D 5 Pin-out Information 5.1 Layout A1029-A/-C Figure 10: Pin-out information A1029-A/-C (top view) V4.0 – 03/07 User’s Manual Page 19 of 47... -
Page 20: Description A1029-A/-C Signals
AGND Analog ground - see above Res. Reserved – do not connect Res. Reserved – do not connect AGND Analog ground - see above Table 5: Pin description A1029-A/-C (part 1) Page 20 of 47 User’s Manual V4.0 - 03/07... -
Page 21: Table 6: Pin Description A1029-A/-C (Part 2)
AGND Analog ground - see above Table 6: Pin description A1029-A/-C (part 2) Pins 10 thru 17 used to be all AGND pins on HW version 01, pin 31 used to be a “Res.” pin on HW version 01. For use without Dead Reckoning, no design modifica- tion is necessary. -
Page 22: Layout A1029-B/-D
GPS Receivers A1029-A/-C, A1029-B/-D 5.3 Layout A1029-B/-D Figure 11: Pin out information A1029-B/-D (bottom and top view) Bottom view is showing the side of the module that will face the carrier board. Page 22 of 47 User’s Manual V4.0 - 03/07... -
Page 23: Description A1029-B/-D Signals
Reserved for test purposes – do not connect Power supply antenna – provide according VANT voltage. Odometer input (required for DR, otherwise leave open) Table 7: Pin description A1029-B/-D (part 1 – odd pin row) Symbol Description (HW 02) (HW 01) Res. -
Page 24: General Comments
Serial 0 (NMEA) 57600 baud, 8 data bits, no parity, 1 stop bit, no flow control • Antenna (Antenna connected to Antenna Pin – A1029-A/-C only) Use ground pins (pin 21, pin 23) close to the antenna input for RF ground. -
Page 25: Dead Reckoning Interface
GPS Receivers A1029-A/-C, A1029-B/-D 6 Dead Reckoning Interface Dead Reckoning (DR) functionality requires the correct firmware (“2xx”) and the correct hardware set-up on the main board. Two digital signals (odometer and re- verse), a gyro and according power supply for the internal ADC are necessary to support this feature. -
Page 26: Gyro And Gyro Signal
GPS Receivers A1029-A/-C, A1029-B/-D 6.2 Gyro and Gyro Signal The gyro is of utmost importance for the performance of the DR system. The follow- ing data shall provide a guideline for selecting the right gyro: Basic gyro data • Supply voltage: 5V (more gyros available, also used in the example) or 3V •... - Page 27 GPS Receivers A1029-A/-C, A1029-B/-D Other comparable gyros are Murata MEV50A or Analog ADXRS401. Figure 8: Connecting the gyro Murata ENV-05G (Attention: not recommended for new designs, but to illustrate the principle) A one-to-one replacement that is available for new designs is the Panasonic EWTS86NN21.
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Page 28: Power Supply For Internal Adc
Figure 14: Power supply for internal ADC (Vcc3A) 6.4 Dead Reckoning Application In comparison to the A1030-A the A1029-A/-C or A1029-B/-D do not offer external SRAM that can be backed-up with a battery. Therefore the current calibration and Kalman state data need to be stored using a command: •... - Page 29 “T.E. GPS Firmware DR A1030” document. All other aspects, especially the integration and calibration process are identical. It has to be considered that the A1029 Dead Reckoning firmware does not support SBAS or Data Logging. V4.0 – 03/07 User’s Manual...
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Page 30: Electrical Characteristics
GPS Receivers A1029-A/-C, A1029-B/-D 7 Electrical Characteristics 7.1 Operating Conditions Description Typical AC BD 9 Vcc 3.0V 3.3V 3.6V Current draw (without active Antenna) 50mA Input current in standby mode 30µA 1PPS (1 pulse per second), reference GPS +120ns time (active and passive antenna) -
Page 31: Mounting
A1029-A/-C, A1029-B/-D 8 Mounting This chapter covers the mounting of the A1029-A/-C. The A1029-B/-D offer a power and I/O connector with a 1.27mm (0.05”) low profile, double row socket with a total of 26 contacts (on HW version 02 and higher or 22 contacts on HW version 01). -
Page 32: Recommended Profile For Reflow Soldering
6 minutes max. Time 25°C to peak temperature Table 11: Reflow soldering profile A1029-A/-C As results of soldering may vary among different soldering systems and types of solder and depend on additional factors like density and types of components on board, the values above should be considered as a starting point for further optimi- zation. -
Page 33: Use Of Antenna
9 Use of Antenna 9.1 Connection of RF Signal This chapter affects the GPS receiver module A1029-A/-C only. The ANT pin is used to connect the receiver with the GPS antenna. The design of the antenna connection has to be done strictly according to RF design rules. A 50Ω... -
Page 34: Active Antenna
9.3 Passive Antenna Note: Different passive antenna set-ups have been tested with positive results on the performance of the A1029 modules. Anyhow, it is the responsibility of the sys- tem integrator to qualify the final configuration. Please consider that it is crucial to keep the connection from the antenna to the ANT pin as short as possible. -
Page 35: Quality And Reliability
Prior to product qualification the GPS receiver is preconditioned according to EIA/JEDEC standard JESD22-A113-B / Level 3. Basic qualification tests: • Reflow simulation on test PCB (A1029-A/-C only) • Temperature Cycling –40°C … +85°C • Temperature Humidity Bias 85°C / 85% RH •... -
Page 36: Applications And Hints
GPS Receivers A1029-A/-C, A1029-B/-D 11 Applications and Hints 11.1 Minimum Configuration Please refer to chapter 3.1 Minimum Configuration for details. In addition, for opti- mized start-up behavior it is strongly recommended to add a battery back-up circuit (see chapter 3.4)! 11.2 Antenna Sensor Pin (ANTSTAT) - Page 37 GPS Receivers A1029-A/-C, A1029-B/-D Figure 18: Application note: Antenna sensor adaptation 11.2.1.2 Antennas with Different Current Draw incl. Current Limiter This proposal is similar to the first one, but includes a current limiter. Comments and notes as above apply. We strongly recommend simulating and testing your realized version before use. In any case it is the responsibility of the designer to test and verify the implementation.
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Page 38: Gain Select Pin (Gs)
GPS Receivers A1029-A/-C, A1029-B/-D 11.3 Gain select pin (GS) The LNA Gain Select pin is an input pin. • Pin at GND (low) or open: LNA Gain 14dB (default) • Pin at Vcc (high): LNA Gain 4dB It is recommended to leave the pin unconnected. This allows for amplification of weaker signals and a firmware implementation of an automatic gain control (AGC) function. -
Page 39: Vant Pin (Antenna Voltage Input Pin)
The easiest way to do that is to connect Vcc to VANT. The maximum current is 50mA. Note: Shortcut between ANT and GND may damage the A1029 GPS receiver mod- ule. This should be avoided by using an antenna current limiter. -
Page 40: Lock Pin (Position Fix Pin)
GPS satellites. While the current date and time is transmitted in NMEA sentences, an exact and accurate timing signal is provided via the 1PPS pin of the A1029 modules. The 1PPS signal is valid only, whenever the GPS modules provide a valid position fix. -
Page 41: Reset Signal
11.8 Reset Signal The nRST pin is an input pin. The nRST pin can be used to generate a reset on the A1029 modules. Resetting the module will result in a restart of the complete firmware including the boot loader. -
Page 42: Battery Back-Up
11.9 Battery Back-up This application note describes an example on how to back-up the RTC of the GPS receiver modules. The note applies to the A1029-C and A1029-D in the same way. V is considered to be 3.3V (3.0V to 3.6V) and V... -
Page 43: Simple Example
GPS Receivers A1029-A/-C, A1029-B/-D 11.9.1 Simple Example Figure 23: Application note: Battery back-up semi-discrete solution Note: The capacitor C1 is a switch over capacitor to protect the module. The battery back-up circuit has to fulfill two tasks: • Control the ENABLE input •... -
Page 44: Integrated Solution
GPS Receivers A1029-A/-C, A1029-B/-D In order to overcome these weaknesses, a more sophisticated solution is described in the following paragraph. 11.9.2 Integrated solution Figure 24: Application note: Battery back-up integrated solution This circuit uses the Texas Instruments battery back-up supervisor TPS3613-01. In fact, only a part of the complete functionality of the IC is needed to fulfill the two tasks described above. -
Page 45: Demonstration Kits
12.1 USB Kit A1029-A/-C For demonstration and easy evaluation of GPS performance Tyco Electronics offers a Demonstration Kit (including one GPS A1029-A/-C module). It contains a USB interface with according drivers to connect easily to a PC. The USB interface is an extension of the serial port 0, therefore sending NMEA sentences and accepting commands. -
Page 46: Related Information
This manual was created with due diligence. We hope that it will be helpful to the user to get the most out of the GPS module. Anyway, inputs about errors or mistakable verbalizations and comments or propos- als to TYCO Electronics, Power Systems in Munich, Germany, for further improve- ments are highly appreciated. Tyco Electronics... -
Page 47: List Of Tables
Table 5: Pin description A1029-A/-C (part 1) ............20 Table 6: Pin description A1029-A/-C (part 2) ............21 Table 7: Pin description A1029-B/-D (part 1 – odd pin row) ........23 Table 8: Pin description A1029-B/-D (part 2 – even pin row) ......... 23 Table 9: Operating Conditions ................
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