UM620A
UM620A
Automotive Grade Dual-frequency Multi-System dual GNSS Positioning Module
Dual-frequency navigation module based on the proprietary multi-system dual-frequency high-performance SoC, UC6580A. The module supports multi-system dual-frequency joint positioning or single-system standalone positioning, ensuring high positioning accuracy even in complex environments such as multi-path surroundings. It is a good choice for vehicle navigation.
Product Characteristics
Automotive grade dual frequency gps navigation and positioning module
Supports GPS L1C/A, L5; BDS B1I/B1C*, B2a; GLONASS G1; Galileo E1, E5a; NavIC L5*; QZSS; SBAS
Conforms to AEC-Q100 standard and IATF16949 standard
Anti-interference design, working stably in complex electromagnetic environments
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
SBAS
Modes
Single-System Positioning
Multi-System Positioning
Time to First Fix (TTFF)1
Cold Start < 26 s
Hot Start < 2 s
Re-acquisition < 2 s
Positioning Accuracy (CEP)1
Horizontal: 1.5 m(Dual-frequency quad-system )
Velocity Accuracy (RMS)2
0.05 m/s
1PPS
20ns
Sensitivity
GNSS
Tracking -162 dBm
Cold Start -148 dBm
Hot Start -158 dBm
Reacquisition -160 dBm
Update Rate
1 Hz / 5 Hz* / 10 Hz*
Data Format
NMEA 0183, Unicore
Physical Specifications
Dimensions
12.2 x 16.0 x 2.4 mm
Package
24 pin, SMD
Temperature
Operating -40 °C ~ +85 °C
Storage -40 °C ~ +85 °C
Electrical Specifications
Voltage
2.7V ~ 3.6 V DC
LNA
2.7V ~ 3.3 V, <100 mA
Power Consumption3
300 mW
Functional Ports
2 × UART (LVTTL)
1 × I2C*
1 × SPI*
1 × 1PPS (LVTTL)
Functional Characteristics
Passive Antenna, Active Antenna
AGNSS*
Note: Items marked with * are only supported by specific firmware.
1 Open sky
2 Typical value, < 30 m/s open sky
3 68% at 30 m/s for dynamic operation，open sky
4 Open sky, continuous tracking
