STA1078EOA is an advanced automotive-grade GNSS receiver developed by STMicroelectronics, specifically designed to provide accurate real-time global positioning for modern vehicles. As part of the ST GNSS chip family, this module supports multiple satellites and delivers reliable performance in harsh automotive environments, making it an ideal solution for navigation systems, telematics control units (TCUs), and advanced driver assistance systems (ADAS).
The STA1078EOA features high sensitivity, fast time-to-first-fix (TTFF) and low power consumption, making it the ideal choice for original equipment manufacturers and Tier 1 suppliers developing next-generation connected and autonomous vehicles.
Technical specifications
- GNSS satellite support:
- GPS, Galileo, GLONASS, Beidou, and QZSS
- Frequency range L1
- Receiver type:
- 32 parallel channels
- Accuracy:
- Position accuracy: ~2.5 m CEP (typical value)
- Speed accuracy: ~0.1 m/s
- Sensitivity:
- Acquisition: –147 dB
- Tracking: –163 dB
- Time to first fix (TTFF):
- Cold start: <35 seconds
- Warm start: <1 second
- Interface:
- UART (NMEA protocol)
- I²C / SPI control interface
- Power supply:
- 1.8 V for core, 3.3 V for input/output
- Package:
- QFN
- Temperature range:
- –40 °C to +85 °C (automotive standard, AEC-Q100 certified)
- Other features:
- Multiple track suppression
- SBAS support (WAAS, EGNOS, MSAS)
- AGNSS (GNSS assistant) function
🔗 Product page STA1078 – STMicroelectronics
Key features
- ✅ Multi-satellite GNSS for global coverage and repeatability
- ✅ Certified to automotive standards (AEC-Q100)
- ✅ High sensitivity in signal reception and tracking, making it suitable for use in cities and environments with weak signals
- ✅ Fast start-up and signal reacquisition for smooth navigation
- ✅ Low power consumption, suitable for continuous operation applications
- ✅ Compact QFN package, suitable for automotive modules with limited space
STA1078EOA applications
- Car navigation systems
The STA1078EOA provides accurate real-time positioning data for car navigation systems, ensuring:
- Smooth navigation
- Lane-level accuracy
- Real-time updates for traffic-aware navigation
- Vehicle control unit (TCU)
This GNSS receiver is essential for managing internet-connected fleets, tracking stolen vehicles, and remote diagnostics, providing:
- Continuous vehicle tracking
- Geographic and location services
- E-call (emergency call) integration
- ADAS and autonomous driving
As part of the ADAS sensor suite, the STA1078EOA assists in:
- position and speed estimation
- sensor integration with inertial systems and camera systems
- semi-automatic driving and autonomous driving
- Smart antenna
It can be integrated into a smart GNSS antenna mounted on the roof of a vehicle, simplifying system design by placing the receiver close to the antenna, thereby minimizing radio signal loss.
- GPS devices for retrofitting
This chip is also suitable for in-vehicle information processing units, recording devices and insurance tracking devices, where it provides:
- reliable GNSS performance
- compact design
- low power consumption
Why buy STA1078EOA from DRex Electronics?
DRex Electronics specializes in supplying GNSS chips designed for automobiles, such as the STA1078EOA, to original equipment manufacturers, first-tier component suppliers, and engineering teams worldwide.
Why choose DRex?
- ✅ Wide range of GNSS receivers, processors and integrated circuits for the automotive industry
- ✅ ISO 9001 certified for purchasing and quality assurance
- 📦 Fast worldwide delivery with shipment tracking
- 🔧 Professional support for component selection, bill of materials (BOM) optimization, and integration
- 🌍 Support for legacy components and long-life automotive projects
