STA8090GATR - GPS/Galileo/Glonass Receiver IC | STMicroelectronics
N.º de pieza: STA8090GATR ✓ Activo| Cant. | Precio unitario | Total |
|---|---|---|
| 1 | $12.5 | $12,50 |
| 10 | $11.25 | $112,50 |
| 100 | $10 | $1.000,00 |
| 500 | $9 | $4.500,00 |
| 1.000 | $8.5 | $8.500,00 |
STA8090GATR Descripción general
A GNSS receiver is a specialized radio receiver that processes signals from satellite navigation systems to determine precise geographic position, velocity, and time. It is a critical component in the broader positioning and navigation system hierarchy, which includes antennas, RF front-ends, baseband processors, and application processors. The STA8090GATR combines these functions into a single chip, reducing system complexity and power consumption.
Key features of the STA8090GATR include support for concurrent reception of GPS, Galileo, GLONASS, and BeiDou signals, a high-sensitivity RF front-end with -162 dBm tracking sensitivity, and an integrated ARM-based baseband processor. It also features a low-power mode with typical current consumption of 25 mA during continuous tracking, and a standby current of 10 uA. The device operates from a 1.8V supply and includes an integrated LDO for internal voltage regulation.
The STA8090GATR utilizes advanced CMOS technology and a multi-core architecture to handle complex signal processing algorithms, including multipath mitigation and interference rejection. Its high sensitivity and fast time-to-first-fix (TTFF) make it suitable for demanding environments such as urban canyons and dense foliage. The device also supports assisted GPS (A-GPS) and ephemeris prediction for faster fixes.
Typical applications include automotive navigation systems, fleet management, telematics, and portable navigation devices. The STA8090GATR is also used in IoT devices requiring location tracking, such as asset trackers and wearables. Its low power consumption and small footprint make it an excellent choice for battery-powered applications.
When designing with the STA8090GATR, ensure proper antenna matching and grounding for optimal RF performance. The device requires a clean 1.8V supply and careful PCB layout to minimize noise and interference. Refer to the STMicroelectronics application notes for detailed design guidelines.
Alternativas directas para STA8090GATR — mismo encapsulado, compatible pin a pin. Se excluyen las piezas de otro encapsulado que requieren retrabajo de la PCB.
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STA8090GA
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STA8090GATR
✅ Sustitución directa✓ En stock
$8.5 / unidad
Ver hoja de datos →STA8090GATR Especificaciones (publicadas por el fabricante)
| Constellations | GPS, Galileo, GLONASS, BeiDou |
| Tracking Sensitivity | -162 dBm |
| Acquisition Sensitivity | -148 dBm |
| Time-to-First-Fix (TTFF) | 1 s (hot start), 30 s (cold start) |
| Tensión de alimentación | 1.8 V |
| Tracking Current | 25 mA |
| Standby Current | 10 uA |
| Temperatura de funcionamiento | -40C to +85C |
| Encapsulado | VFQFPN-56 (8x8 mm) |
| Tipo de montaje | Surface Mount |
| Interfaz | UART, SPI, I2C |
| Integrated LDO | Yes |
| Estado RoHS | Compliant |
| AEC-Q100 | Qualified |
| Antenna Supply | 3.3 V (external) |
Configuración de pines de STA8090GATR
| Pin 1 | VCC — Main power supply (1.8V) |
| Pin 2 | GND — Ground |
| Pin 3 | RF_IN — RF input from antenna |
| Pin 4 | VCC_RF — RF supply (1.8V) |
| Pin 5 | GND_RF — RF ground |
| Pin 6 | UART_TX — UART transmit |
| Pin 7 | UART_RX — UART receive |
| Pin 8 | SPI_CLK — SPI clock |
| Pin 9 | SPI_MOSI — SPI master out slave in |
| Pin 10 | SPI_MISO — SPI master in slave out |
| Pin 11 | SPI_CS — SPI chip select |
| Pin 12 | I2C_SCL — I2C clock |
| Pin 13 | I2C_SDA — I2C data |
| Pin 14 | RESET — Reset input |
| Pin 15 | VCC_IO — I/O supply (1.8V) |
| Pin 16 | GND_IO — I/O ground |
Características de potencia y térmicas
| Entrada de potencia | 1.8 V |
| Temperatura de funcionamiento | -40C to +85C |
Parámetros de entrada de potencia y térmicos para STA8090GATR según lo publicado por el fabricante.
Aplicaciones típicas
STA8090GATR es adecuado para 6 aplicacións: Automotive Navigation, Fleet Management, Asset Tracking, Wearable Devices, Drone Navigation, IoT Location Services.
Automotive Navigation
The STA8090GATR provides accurate positioning for in-vehicle navigation systems. Its multi-constellation support and high sensitivity ensure reliable performance in urban environments. The device interfaces with the host processor via UART or SPI, delivering NMEA data for map display and route guidance. Its AEC-Q100 qualification ensures reliability in automotive temperature ranges.
Recomendado
Fleet Management
In fleet management, the STA8090GATR enables real-time vehicle tracking and telematics. Its low power consumption and high sensitivity allow continuous tracking without draining the vehicle battery. The device supports multiple constellations, improving accuracy in remote areas. It communicates with a central server via cellular or satellite links, providing location updates at regular intervals.
Recomendado
Asset Tracking
The STA8090GATR is ideal for asset tracking devices that require long battery life. Its standby current of 10 uA and tracking current of 25 mA enable extended operation on small batteries. The device's high sensitivity ensures reliable location updates even in dense urban environments. It can be integrated with motion sensors to wake up only when movement is detected, further conserving power.
Recomendado
Wearable Devices
For wearables, the STA8090GATR provides location tracking with minimal power consumption. Its compact VFQFPN-56 package fits into small form factors. The device supports assisted GPS for faster fixes, which is beneficial for fitness trackers and smartwatches. Its low standby current extends battery life between charges.
Recomendado
Drone Navigation
The STA8090GATR enables precise positioning for drone navigation and autonomous flight. Its high sensitivity and multi-constellation support provide reliable location data even in challenging environments. The device's low power consumption is crucial for maximizing flight time. It interfaces with the flight controller via UART, providing position updates at high rates.
Recomendado
IoT Location Services
In IoT applications, the STA8090GATR provides location data for smart devices such as pet trackers, bike locks, and logistics sensors. Its low power consumption and small size make it suitable for battery-powered IoT nodes. The device supports multiple constellations, improving accuracy in urban canyons. It can be integrated with LoRa or NB-IoT modules for long-range communication.
Recomendado
Resumen de productos recomendados
Datos de referencia de ingeniería para STA8090GATR — comparación, orientación de diseño e información de cumplimiento.
Guía de selección
Comparación con alternativas
| Parámetro | Este producto | STA8090GA | NEO-M8N |
|---|---|---|---|
| Package | VFQFPN-56 | VFQFPN-56 | LCC-24 |
| Brand | STMicroelectronics | STMicroelectronics | u-blox |
| Constellations | GPS, Galileo, GLONASS, BeiDou | GPS, Galileo, GLONASS, BeiDou | GPS, GLONASS, BeiDou |
| Tracking Sensitivity | -162 dBm | -162 dBm | -167 dBm |
| Supply Voltage | 1.8V | 1.8V | 2.7V-3.6V |
| Tracking Current | 25 mA | 25 mA | 25 mA |
| Standby Current | 10 uA | 10 uA | 20 uA |
| AEC-Q100 | Qualified | Qualified | Not qualified |
Diferenciadores clave
- Multi-constellation support including Galileo (frente a NEO-M8N)
- AEC-Q100 qualification (frente a NEO-M8N)
- Lower standby current (frente a NEO-M8N)
Notas de diseño
For optimal RF performance, place the STA8090GATR close to the antenna and ensure a 50-ohm impedance-controlled trace for the RF input. Use a ground plane beneath the RF section and add decoupling capacitors (100nF and 10uF) near the VCC and VCC_RF pins. Follow STMicroelectronics' layout guidelines for the VFQFPN-56 package.
The STA8090GATR requires a clean 1.8V supply. Use a low-noise LDO to power the device and avoid sharing the supply with digital circuits that may introduce noise. Add a ferrite bead in series with the supply to filter high-frequency noise. The integrated LDO helps regulate internal voltages, but external decoupling is still necessary.
Ensure the antenna is properly matched and has a clear view of the sky for optimal signal reception. Avoid placing the device near sources of electromagnetic interference, such as switching regulators or high-speed digital lines. Also, verify that the UART/SPI/I2C lines are not routed near the RF input to prevent coupling.
Información de cumplimiento
RoHS compliant per STMicroelectronics product page. AEC-Q100 qualified for automotive applications.
