Product Description
The MTK MT3332N is a highly integrated, low-power GPS solution designed to meet the needs of modern devices requiring accurate and reliable location-based services. It is particularly well-suited for portable, battery-operated devices due to its low power consumption and small form factor. Whether used in smartphones, wearables, automotive navigation systems, or IoT devices, the MT3332N offers several advantages that make it an excellent choice for a variety of applications.
One of the most notable features of the MT3332N is its multi-GNSS support. By supporting GPS, GLONASS, and QZSS, the MT3332N is able to track signals from multiple satellite systems, which improves its positioning accuracy and robustness in different environments. This multi-constellation capability ensures that the chip can still function well even in areas where satellite visibility is limited or obstructed, such as in urban areas with tall buildings or dense forests.
The high sensitivity of the MT3332N allows it to maintain a strong satellite connection even in weak signal conditions. With cold start sensitivity of -148 dBm and hot start sensitivity of -160 dBm, the chip can reliably acquire GPS signals even in challenging environments. This makes the MT3332N ideal for use in devices that are often used in areas where GPS signal strength may be a problem.
Another standout feature of the MT3332N is its low power consumption. The chip consumes only 30-40 mA during active GPS operation, and its low voltage range of 2.7V to 3.6V makes it compatible with a wide variety of devices. The inclusion of power-saving modes like Sleep mode and Standby mode further extends battery life in devices that are designed to run for long periods without frequent recharging.
The fast TTFF performance of the MT3332N is another key advantage. It can acquire GPS signals and calculate the user's position quickly, even after being powered on from a cold start. This is especially important for applications such as navigation systems, where quick and accurate position fixes are essential for real-time location tracking.
The MT3332N also supports Assisted GPS (A-GPS), which helps reduce the time it takes to acquire a GPS fix by using external data, such as Wi-Fi or cellular network information, to improve positioning speed, especially in environments where GPS signals are weak or blocked.
The compact design of the MT3332N integrates all of the essential GPS components into a single chip, reducing the need for additional external components. This makes the chip an ideal solution for small devices where space and cost are important considerations.
With its support for both UART and I2C interfaces, the MT3332N is highly flexible and can be easily integrated into various embedded systems, making it a great choice for use in GPS modules, IoT devices, and other GPS-dependent products.
In terms of update rate, the MT3332N supports up to 10 Hz, which is ideal for applications that require frequent position updates, such as sports tracking, automotive navigation, and other real-time location-based services.
Specification
Chip Type: Single-chip GPS solution with multi-GNSS support (GPS, GLONASS, QZSS).
Frequency Bands: The MT3332N operates in the L1 frequency band (1575.42 MHz), which is the primary frequency for GPS-based systems.
Accuracy:
Position Accuracy: Typically 2.5 meters in open sky conditions.
Velocity Accuracy: 0.1 m/s.
Time Accuracy: 50 ns.
Sensitivity:
Cold Start Sensitivity: -148 dBm.
Hot Start Sensitivity: -160 dBm.
Power Consumption:
Operating Voltage: 2.7V to 3.6V.
Typical Current Consumption: 30-40 mA during active GPS operation, with low consumption in power-saving modes.
Data Interfaces: The MT3332N supports both UART and I2C interfaces, allowing for easy integration with various microcontrollers and embedded systems.
Satellite Tracking: The chip can track up to 22 satellites simultaneously, ensuring reliable positioning even when the number of visible satellites fluctuates.
Update Rate: The MT3332N supports an update rate of up to 10 Hz, providing fast and frequent position updates.
Antenna Support: The chip supports both active and passive antennas, offering flexibility in signal reception based on the needs of the application.
A-GPS Support: The MT3332N supports Assisted GPS (A-GPS), which speeds up the acquisition of GPS signals by utilizing external network data when satellite signals are weak or unavailable.
