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Dual-frequency Multi-constellation GNSS Positioning SoC

Dual-frequency, multi-constellation GNSS SoC with low power consumption and a miniature design. It integrates RF and baseband on a single chip, adopts multi-path mitigation technology and high-precision GNSS positioning technology. The chip provides fast and accurate positioning with excellent performance, especially in urban multi-path environments. Most suitable for intelligent driving, vehicle navigation, consumer UAVs, and handheld devices.

gps chips

UC6580 Features

  • 96 channels

  • Compact size with low-power design, 5 × 5 mm QFN40 package

  • L1+L5/L1+L2 dual frequencies, excellent multi-path mitigation ability

  • Positioning accuracy better than 1.5 m

  • Ultra high sensitivity: tracking -162 dBm, acquisition -148 dBm

  • Industrial grade & automotive grade, of which the automotive chip qualified according to AEC-Q100

  • Supports A-GNSS and DGNSS

UC6580 Technical Specifications

Channels96 channels
Mode 1Mode 2
GPSL1 + L5L1 + L2
BDSB1I, B1C* + B2aB1I, B1C* + B2I
GalileoE1 + E5aE1 + E5b
QZSSL1 + L5L1 + L2

Single Point


Horizontal: 1.5 m
Vertical: 2.5 m
Velocity Accuracy (RMS)*0.1 m/s
Time Accuracy (RMS)5 ns, peak-to-peak value 30 ns (24h)
Time to First Fix (TTFF)Cold start < 30 s
Hot start < 2 s
Power Consumption @3V< 40 mA
SensitivityTracking: -165 dBm
Acquisition: -148 dBm
Hot Start -156dBm
Reacquisition -159dBm
Interfaces2 × UART*(LVTTL)
1 × I2C
1 × SPI
Power SupplyVCC: 1.7 ~ 3.6 V
VIO: 1.7 ~ 3.6 V
Vbackup: 1.7 ~ 3.6 V
Update RateGNSS 1 Hz / 5 Hz / 10 Hz
Differential DataRTCM V3.X
Data Format
NMEA-0183, Unicore

ProductPackageFlashOperating Temp.Grade
global navigation systemUC6580AQFN40
5.0 × 5.0 × 0.85 mm
Yes-40 ~ + 105 °CAutomotive
global positioning satellite systemUC6580IQFN40
5.0 × 5.0 × 0.85 mm
Yes-40 ~ + 85°CIndustrial

Note: Items marked with * 68% at 30 m/s for dynamic operation, open sky.


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