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Multi-GNSS Positioning SoC

Single-frequency, multi-constellation GNSS SoC with low power consumption and a miniature design. It integrates RF and baseband on a single chip. The chip provides fast and accurate positioning with excellent performance. UC6226 adopts the QFN40 package and complies with the AEC-Q100 automotive grade. The chip is most suitable for in-dash vehicle navigation and other industrial applications.

Ordering Information

Supply at multiples of 3000 pieces

gnss chip
gnss chip

Product Advantages

  • 64 channels

  • 28 nm compact size, low power design, 5 × 5 mm QFN40 package

  • Supports GPS, BDS, GLONASS, Galileo, QZSS and SBAS; supports single system standalone positioning and multi-system joint positioning

  • Built-in anti-jamming technology, adaptable to various environments

  • Positioning accuracy better than 2.0 m

  • Ultra high sensitivity: tracking: -160 dBm; acquisition: -147 dBm

  • Supports A-GNSS and DGNSS

Technical Specifications

Channel64 channels
FrequencyGPS L1, BDS B1, GLONASS G1, Galileo L1
(Concurrent reception of 2 or 3 GNSS signals)
Positioning Accuracy(RMS)Horizontal: <2.0 m
Time To First Fix (TTFF)1Cold Start < 28 s
AGNSS2 < 4 s
Hot Start < 1 s
Reacquisition < 1 s
Velocity Accuracy0.1 m/s
Tracking          -160 dBm
Cold Start        -147 dBm
Hot Start         -154 dBm
Reacquisition   -158 dBm
Power Consumption @ 3.3 VAcquisition 24 mA (Dual-GNSS joint positioning)
Tracking 12 mA (Dual-GNSS joint positioning)
Operating Temperature-40 °C ~ + 85 °C
Data Update Rate1 Hz
Data FormatNMEA0183, Unicore
InterfacesUART× 2
Other FunctionsAnti-jamming: Built-in, active detection and removal
LNA: Built-in
RTC input: 32.768 kHz
DC/DC: Built-in, optional

ProductPackageFlashGradeMain SupplyIO Supply
UC6226NIS-E310E15.0 × 5.0 × 0.75 mmYesIndustrial3.0 ~ 3.6 V3.0 ~ 3.6 V
UC6226NIS-E310E2QFN40 5.0 × 5.0 × 0.75 mmYesIndustrial1.2 ~ 1.98 V1.7 ~ 1.9 V
UC6226NASQFN40 5.0 × 5.0 × 0.75 mmYesAutomotive3.0 ~ 3.6 V3.0 ~ 3.6 V


1. Satellite signal strength reaching -130 dBm

2. Timely input of assisted data


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