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Unicore UFirebird UC6226 GNSS SoC


Ultra-low Power GNSS SoC



With the 28nm process and UFirebirdTM PMU design, the UFirebird UC6226 from Unicore features ultra-low power consumption and ultimate miniaturization, thus significantly improving the battery life. The UC6226 is equipped with a built-in Sensor Hub which is capable of providing access for multiple sensors for fusion positioning. Through precise identification of the scene and context, it can ensure faster and more accurate positioning experience even in the harsh signal environment. The UC6226 is developed for global applications, it supports GPS, BeiDou, GLONASS and Galileo. It can achieve multquadi-system joint positioning. The high integration design reduces the quantity of peripheral devices and the board area. For QFN40 package, UFirebird complies with the AEC-Q100 reliability standard.


  • Ultra-low power consumption
  • Global application, supporting GPS, BeiDou, GLONASS and Galileo systems as well as WAAS/QZSS/EGNOS/MSAS/GAGAN enhanced signal
  • Built in Sensor Hub, leading PDR algorithm, perfectly improved positioning accuracy, and ultimate power saving
  • Built-in anti-interference module
  • High integration, simple peripheral devices, and significantly reduced board area and hardware cost
  • Ultimate minaturization
  • Compatible mainstream package


  • Wearables
  • Positioning and Heading
  • Mobile Phone Tablet PC

Technical Specifications

GNSS Performance
Single Point Positioning: 2.0m CEP
D-GNSS: <1.0m CEP
Time to First Fix: Cold Start < 29s
AGNSS < 4s
Hot Start < 1s
Reacquisition < 1s
Velocity Accuracy: 0.1m/s
Sensitivity: Cold Start -147 dBm (GPS) -146 dBm (BeiDou) -146 dBm (GLONASS)
Hot Start -152 dBm (GPS -150 dBm (BeiDou) -150 dBm (GLONASS)
Tracking -162 dBm (GPS) -162 dBm (BeiDou) -160 dBm (GLONASS)
Reacquisition -157 dBm (GPS) -157 dBm (BeiDou) -157 dBm (GLONASS)
Sensor Hub: Post-processing,
Supports ten-axis sensor input (acceleration, gyroscope, magnetometer, barometer)
Supports vehicle odometer pulse / information input
Geo-fence: Required customized version
Hybrid: Sensor and GNSS fusion positioning
Anti-interference: Built-in, Active anti-jamming signal detection and removal
LNA: Built-in
DC-DC: Built-in, optional
Data Updating Rate: Maximum 10Hz
Data Format: NMEA0183, Unicore Protocol
GNSS Clock Input: Supports TCXO or Crystal
RTC Input: 32.768 kHz optional (Frequency can be divided by GNSS clock)
Storage: Built-in ROM firmware, supports external SPI Flash and AP SPI firmware
Operating Temperature: -40°C – +85°C
Storage Temperature: -50°C – +125°C
Humidity Sensor: MSL3
RoHS: Complaint
AEC-Q100: Optional, support QFN 40 packaging

Evaluation Kit

  • UC6226 NIS-EVK


The UFirebird UC6226 GNSS SoC from Unicore is available through TerrisGPS. Please use the Request Pricing form to contact us for further information.

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Client Testimonials

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"Thank you for your prompt service. All seems to be working well again. Your techs were very helpful with the troubleshooting."
J.O. - Ground Navigation
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F.A. - Survey Industry

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