Overview
The STA8090WG is a fully integrated GPS/Galileo/Glonass/QZSS receiver developed by STMicroelectronics. It belongs to the Teseo III family of products and is designed as a single die standalone positioning receiver. This device embeds the new ST GNSS positioning engine, capable of receiving signals from multiple satellite navigation systems, including GPS, Galileo, GLONASS, BeiDou, and QZSS. The STA8090WG is ideal for low-cost and small footprint products such as hand-held computers, cameras, data loggers, and sports accessories due to its minimal Bill of Materials (BOM) and compact WLCSP77 package.
Key Specifications
| Parameter | Value |
|---|---|
| Number of Tracking Channels | 48 |
| Number of Fast Acquisition Channels | 2 |
| Supported Satellite Systems | GPS, Galileo, GLONASS, BeiDou, QZSS |
| Indoor Sensitivity (Tracking Mode) | -162 dBm |
| Time To First Fix (TTFF) | < 1 s (Hot Start), 30 s (Cold Start) |
| Microcontroller | ARM946 MCU (up to 196 MHz) |
| Embedded SRAM | 256 Kbyte |
| External Interface | SQI Flash |
| Timers/Counters | 8 free running timers/counters (32 bit) |
| Communication Interfaces | 3 UARTs, 1 I2C master, 1 SSP (Motorola-SPI supported), USB2.0 full speed (12 MHz) |
| Power Management | Power Management Unit (PMU) with switching regulator |
| Main Voltage Regulator (VINL) | 1.6 V to 4.3 V |
| Backup Voltage (VINB) | 1.6 V to 4.3 V |
| Digital Voltage (VDD) | 1.0 V to 1.32 V |
| RF Core Voltage (VCC) | 1.2 V ± 10% |
| IO Ring Voltage (VddIO) | 1.8 V ± 5% or 3.3 V ± 10% |
| Package | WLCSP77 (3.861 x 3.843 x 0.6 mm) 0.4 pitch |
| Operating Temperature Range | -40°C to +85°C |
Key Features
- STMicroelectronics positioning receiver with 48 tracking channels and 2 fast acquisition channels supporting GPS, Galileo, GLONASS, BeiDou, and QZSS systems.
- Single die standalone receiver embedding RF Front-End and low noise amplifier.
- -162 dBm indoor sensitivity in tracking mode.
- Fast Time To First Fix (TTFF) of less than 1 second in Hot Start and 30 seconds in Cold Start.
- High performance ARM946 MCU with a clock speed of up to 196 MHz.
- 256 Kbyte embedded SRAM and external SQI Flash interface.
- 8 free running timers/counters (32 bit) and Real Time Clock (RTC) circuit.
- 32-bit Watch-dog timer.
- Multiple communication interfaces including 3 UARTs, 1 I2C master, 1 Synchronous Serial Port (SSP, Motorola-SPI supported), and USB2.0 full speed (12 MHz).
- Power Management Unit (PMU) with a switching regulator.
- Optional Controller Area Network (CAN) interface for the STA8090WGBD variant.
Applications
The STA8090WG is designed for use in various low-cost and small footprint products, including:
- Hand-held computers
- Cameras
- Data loggers
- Sports accessories
Its compact size and comprehensive feature set make it an ideal solution for any application requiring precise and reliable satellite navigation capabilities.
Q & A
- What satellite navigation systems does the STA8090WG support?
The STA8090WG supports GPS, Galileo, GLONASS, BeiDou, and QZSS systems.
- What is the indoor sensitivity of the STA8090WG in tracking mode?
The indoor sensitivity is -162 dBm in tracking mode.
- What is the Time To First Fix (TTFF) for the STA8090WG?
The TTFF is less than 1 second in Hot Start and 30 seconds in Cold Start.
- What type of microcontroller does the STA8090WG use?
The STA8090WG uses a high performance ARM946 MCU with a clock speed of up to 196 MHz.
- What communication interfaces are available on the STA8090WG?
The device includes 3 UARTs, 1 I2C master interface, 1 Synchronous Serial Port (SSP, Motorola-SPI supported), and USB2.0 full speed (12 MHz).
- Does the STA8090WG have a Power Management Unit?
Yes, the STA8090WG includes a Power Management Unit (PMU) with a switching regulator.
- What is the operating temperature range of the STA8090WG?
The operating temperature range is -40°C to +85°C.
- What package type is the STA8090WG available in?
The STA8090WG is available in a WLCSP77 package (3.861 x 3.843 x 0.6 mm) with a 0.4 pitch.
- Does the STA8090WG support CAN interface?
Yes, the CAN interface is available for the STA8090WGBD variant.
- What is the purpose of the Real Time Clock (RTC) circuit in the STA8090WG?
The Real Time Clock (RTC) circuit provides timekeeping functionality, which is essential for various navigation and logging applications.
