UM680A
Automotive Grade Multi-GNSS Dual-frequency High Precision RTK Positioning Module
UM680A is a high precision GNSS dual-frequency navigation car gps moduledeveloped by Unicore for the intelligent driving market. Based on the proprietary multi-system dual-frequency high-performance SoC-UC6580A, the module supports multi-system dual-frequency joint positioning with centimeter-level accuracy, and it operates at temperatures up to 105 °C.
Ordering Information
Supply at multiples of 250 pieces
Product Characteristics
Supports concurrent operation of vechicle gps, BDS, GLONASS and Galileo
Dual-frequency single point positioning, providing higher accuracy and reliability
compared to single-frequency solution
Supports A-GNSS to reduce the TTFF
GNSS chip qualified according to AEC-Q100 and production process conforms to IATF16949
Anti-jamming design to ensure the module working stably in complex electromagnetic environment
Centimeter-level positioning accuracy & raw data output
Technical Specifications
Performance Specifications
|
Channel |
96 channels, based on UFirebirdII |
|
Frequency |
GPS L1C/A, L5 |
|
BDS B1I, B1C*, B2a |
|
|
GLONASS G1* |
|
|
Galileo E1, E5a |
|
|
NavIC L5* |
|
|
QZSS L1, L5 |
|
|
SBASL1C/A |
|
|
Modes |
Single-system standalone positioning |
|
Multi-system joint positioning |
|
|
Time to First Fix (TTFF) |
Cold Start: ≤ 26 s |
|
Hot Start: ≤ 2 s |
|
|
Re-acquisition : ≤ 2 s |
|
|
DGNSS (RMS) |
Horizontal: 1.5 m (open sky) |
|
Vertical: 2.5 m (open sky) |
|
|
RTK (RMS) |
Horizontal: 1 cm + 1 ppm (open sky) |
|
Vertical: 1 cm + 1 ppm (open sky) |
|
|
Velocity Accuracy(RMS)1 |
|
|
1PPS |
20 ns |
|
Sensitivity (GNSS) |
BDS+GPS+GLONASS+Galile |
|
Tracking: -162 dBm |
|
|
Cold start: -147 dBm |
|
|
Hot Start：-157 dBm |
|
|
Reacquisition: -158 dBm |
|
|
Data Update Rate |
1 Hz / 5 Hz / 10 Hz |
|
Correction |
RTCM V3.X |
|
Data Format |
NMEA 0183,Unicore |
Physical Specifications
|
Dimensions |
|
|
Package |
54 pin, LGA |
|
Operating Temperature |
-40°C ~ +85 °C / 105 °C |
|
Storage Temperature |
-40°C ~ +85 °C /105 °C |
Electrical Specifications
|
Voltage |
|
|
LNA Feed Power |
|
|
Power Consumption |
270 mW |
Interfaces
|
2 × UART(LVTTL) |
|
1 × I2C* |
|
1 × SPI* |
|
1 × 1PPS(LVTTL) |
Functional Characteristics
|
Passive Antenna, Active Antenna, AGNSS * |
NOTE: * Supported by specific firmware
1 Open sky, continuous tracking
For more information about gnss board, please feel free to contact us!
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