Automotive Dead Reckoning GNSS Module with Integrated MEMS Sensors

AEC-Q100 qualified positioning solution with automatic ADR/UDR mode for seamless car navigation in tunnels and multipath environments

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How Can You Ensure Continuous Navigation in Tunnels and Underground Parking Without GPS Signal Loss?

The ST-1612r-DGX automatically switches between ADR and UDR modes using built-in MEMS sensors (3-axis accelerometer and gyroscope) to maintain accurate positioning when GNSS signals are unavailable. With no installation orientation requirements and automatic calibration, your navigation systems deliver seamless performance in tunnels, parking structures, and urban canyons. Contact us to integrate this AEC-Q100 qualified solution into your automotive navigation platform.

Engineered for mission-critical automotive applications, the ST-1612r-DGX delivers continuous positioning performance where GNSS signals are degraded or unavailable, including tunnels, indoor parking lots, and urban canyon environments. The compact 16 x 12.2 x 2.3 mm SMD form factor features multiple interface options (UART/CAN BUS/USB), supports vehicle speed input via CAN Bus (ISO 15765-4), and operates reliably across -40°C to 85°C temperature ranges. With LOCOSYS IATF 16949 quality control, SBAS capability (WAAS, EGNOS, MSAS), and fast TTFF at low signal levels, this module reduces position errors in multipath environments while delivering seamless navigation for automotive OEM, aftermarket, M2M, and fleet management applications.

ST-1612r-DGX

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ST-1612r-DGX

The LOCOSYS ST-1612r-DGX Dead Reckoning (DR) module is the perfect solution for automotive application.
The LOCOSYS ST-1612r-DGX Dead Reckoning (DR) module is the perfect solution for automotive application.

LOCOSYS ST-1612r-DGx dead reckoning (DR) modules are the perfect solution for automotive application. They not only support GPS, GLONASS, GALILEO and QZSS, but also have inertial sensors (3-axis accelerometers and 3-axis gyros) to provide dead reckoning. They will detect if there is an odometer connection or vehicle speed input, and then automatically operate in ADR or UDR mode.
Both raw data of the inertial sensors and vehicle’s altitude including pitch, roll and heading angles are outputted for the driver behavior analysis. For example, the internet connected vehicles can automatically send emergency calls (i.e. E-Call) for help based on the vehicle’s altitude. No requirement of installation orientation and automatic calibration function make them easy to use. With these features, ST-1612r-DGx can reduce position errors in multipath environment and continue to work where GNSS signals are poor or not available, such as tunnels and indoor parking lots, as well as deliver seamless car navigation.

Features

  • AEC-Q100 qualified GNSS chip
  • Support GPS, GLONASS, GALILEO and QZSS
  • Capable of SBAS (WAAS, EGNOS, MSAS)
  • Fast TTFF at low signal level
  • Built-in MEMS sensor (3-axis gyroscope and 3-axis accelerometer)
  • Support MEMS raw data output (up to 100Hz)
  • No requirement for installation orientation
  • Auto detect and operate in ADR or UDR mode
  • Support odometer (wheel-tick pulse) and forward/reverse signal input
  • Support vehicle speed input from UART port
  • Support vehicle speed input from CAN Bus (ISO 15765-4)
  • Support AGPS autonomous solution
  • LOCOSYS IATF 16949 quality control
  • Small form factor 16 x 12.2 x 2.3 mm
  • SMD type, RoHS compliant

Specification

  • Satellite System: GPS + GLONASS + GALILEO + QZSS
  • Interface: UART / CAN BUS / USB
  • Input Voltage: 3.0V - 4.3V
  • Power (mA): TBD
  • VB (uA): TBD
  • Operating Temp (°C): -40 ~ 85
  • Dimension (mm): 16 x 12.2 x 2.3 mm

Applications

  • Automotive Navigation.
  • M2M.
  • Track patrol and examine car.

                 

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Press Release

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