单频多系统GNSS定位芯片

With the advanced process and high integration design，ICOE UC6228CI features low power consumption and ultimate miniaturization, which supports GPS, GLONASS*, BDS, Galileo* multi-system positioning.
UC6228CI is suitable for global applications and adopts WLCSP package. The chip has provided built-in PMU and LNA, etc. With the simple peripheral devices, it can achieve a complete GNSS receiver function, which can significantly reduce the PCB area and save hardware costs for users. UC6228CI is widely used in wearable devices, trackers, smartphones, tablets, and other application fields.

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Technical advantages

Ultra-miniaturization, multi-system, integration

Ultra-miniaturized, single-frequency multi-system and RF-baseband integrated GNSS SoC.

Multi-system joint positioning

Supports BDS, GPS, Galileo*, GLONASS*, QZSS, and SBAS* multi-system joint positioning.

Two startup modes

Supports booting with built-in ROM or AP loaded firmware.

Low power design and high integration

The power consumption of multi-system joint positioning is about 22mW, with the high integration design and simple peripheral devices.

Support active antenna detection

Supports antenna short circuit, open circuit, and insertion reporting.

Package

Industrial grade 1.73x2.87x0.54(mm) WLCSP package, 5000pcs/reel

Product Specifications

Technical performance

Constellations

Supports joint positioning of GPS, BDS, GLONASS*, Galileo*, QZSS, and SBAS*. BDS and GLONASS are mutually exclusive.

Positioning accuracy^①

Horizontal positioning accuracy<2.0m（CEP50）
Vertical positioning accuracy<3.0m（CEP50）
Velocity accuracy：0.1m/s

TTFF^②

Cold start：28s
Hot start：1s
Re-acquisition：1s
AGNSS^⑤⑥：4S

Sensitivity^③④

Cold start(dBm)：-147
Hot start(dBm)：-155 ；147(without backup battery)
Tracking (dBm)：-160
Re-acquisition(dBm)：-158

Update Rate

1Hz

Data format

NMEA-0183, ICOE protocol

Others

Main power supply

1.7V~1.9V

Operating temperature

-40~+85℃

Storage temperature

-40~+125℃

Reliability and certification

Complies with JEDEC, RoHS and REACH standards

Package

Industrial grade 1.73x2.87x0.54(mm) WLCSP package, 5000pcs/reel

Operational limites

Dynamic range≤4 g
Altitude≤18,000 m
Velocity≤500 m/s

Note:
^①Scenario: linear and uniform motion at 33m/s with a simulator.
^②Tested with a simulator, satellite signal strength reaching -130dBm.
^③C/N0 needs to achieve 41 dB when the signal strength is -130 dBm.
^④Externally matching LNA to ensure superior performance
^⑤Assisted data injection in time.
^⑥Assisted time data should be input by the AIDTIME command.^*Indicates that the function is in developing.
(The detailed parameters of the product shall be subject to the latest version of the product datasheet)