Features of the GPS module
The YW-16162G3 is a compact GPS antenna module with ultra-high sensitivity (-162dBm) in an ultra-small form factor (16*16*2mm).
Super Low Power Consumption
Ultra-small form factor: 16x16x2mm
Ultra‐High Sensitivity: ‐162dBm
L1 Frequency, C/A code, 72‐channels satellite searching
High Update Rate: up to 10Hz
DGPS and AGPS Support
With fast TTFF
Multi‐Path Detection and Compensation
1‐PPS Support for Timing Applications
Different interface supported
Supports any two of Beidou,SBAS simultaneously by firmware support
Integrated TCXO,LNA,SAW,RTC
Application of the Location Tracking Module
Handheld Beidou Device
Automotive
PDA, Pocket PC
Car Navigation and Tracking
Geographic Surveying
AVL and Location-Based Services
Sports and Recreation
Timing
Marine Navigation, Fleet Management
UAV
Parameters of YW-16162G3 Global Positioning System Module
Item | Parameters |
Model No. | YW-16162G3 |
Chip | As per order |
Frequency | L1 |
Number of Channels | 72, or per order requirements |
Positioning Accuracy | 2m to 5m |
Velocity | 515 m/s |
Velocity Accuracy | Without aid : 0.1m/s |
TTFF | Hot start: 1 second typical |
Sensitivity | Tracking Sensitivity: -162 dBm |
Baud Rate | 9600 bps (default) |
Max Navigation Update Rate | 1Hz (default), maximum 10Hz |
Timing Accuracy | 25 ns RMS |
Interface Options | UART, I2C, SPI, USB |
Data Output Format | NMEA 0183 |
Power Supply | 3.3V ~ 5V |
Power Consumption | 30mA acquisition, 24mA tracking |
Working Temperature Range | -40°C to 85°C |
Antenna Type | patch ceramic antenna |
AGPS | Supported |
Dimension | 16*16*2mm |
Package Type | SMD |
Pin Assignment of YW-16162G3 GPS Positioning Receiver
Pin No. | Pin name | I/O | Description | Remark |
1 | GND | O | power output ground | |
2 | VCC | I | Main power supply to the engine board | Voltage range: 3V~5V |
3 | TX | O | Data output | |
4 | VBAT | P | Ground |
Electrical Specification of Youwei Satellite Navigation Module
Parameter | Symbol | Min. | Typical | Max. | Units |
Power Supply Voltage | VCC | 3.3 | 3.3 | 5 | V |
VDD_USB | VDD_USB | 3.0 | 3.3 | 5 | V |
Average Supply Current | Acquisition | 45@3.3V | 50@3.3V | 59@3.3V | mA |
Tracking | 38@3.3V | 40@3.3V | 42@3.3V | mA | |
Backup Battery Voltage | V-BCKP | 1.4 | 3.3 | 3.6 | V |
Backup Battery Current | I_BCKP | 15 | uA | ||
Digital IO Voltage | Div | 2.08 | 2.83 | V | |
Storage temperature | Tstg | -40 | 105 | °C | |
Operating temperature | Topr | -40 | 85 | ||
Humidity | 95 | % |
The Significance of Low Power Consumption in GPS Modules
Low power consumption is a critical feature for GPS modules, especially in battery-dependent applications. Its key impacts include:
1. Extended Battery Life
• Enables longer operation for portable/wearable devices (e.g., smartwatches, pet trackers) without frequent recharging.
• Example: Reducing current draw from 50mA to 25mA can double device uptime.
2. Thermal Efficiency
• Minimizes heat generation, preventing performance degradation in compact or sealed enclosures (e.g., IoT sensors, asset tags).
3. Cost & Sustainability Benefits
• Smaller/lighter batteries suffice, reducing BOM costs and environmental footprint.
• Critical for mass-deployed applications (e.g., logistics trackers).
4. Enhanced Reliability
• Avoids voltage drops in power-constrained systems (e.g., solar-powered devices).
Technical Trade-offs
• Balance Required: Ultra-low-power modes (e.g., sleep/standby) may slightly increase TTFF. Advanced GNSS GPS modules (like Youwei’s) mitigate this with adaptive power cycling.
Industry Demand
• A key spec for consumer electronics (e.g., fitness bands) and industrial IoT (e.g., wireless sensors), where energy efficiency dictates market competitiveness.
In short, low power consumption directly enables smaller, cheaper, and longer-lasting location-aware devices.