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STMicroelectronics STA8089FGBTR
- Part No.:
- STA8089FGBTR
- Manufacturer:
- STMicroelectronics
- Category:
- RF Receivers
- Package:
- 56-VFQFN Exposed Pad
- Datasheet:
-
STA8089FGBTR.pdf
- Description:
- RF RX GNSS 1.561/1.575GHZ 56QFPN
- Quantity:
- Payment:
- Shipping:
Inventory:2,060
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Product details
Overview
STA8089FGBTR from STMicroelectronics is a fully integrated, single-die GNSS receiver IC supporting GPS/Galileo/GLONASS/BeiDou/QZSS with 48 tracking + 2 fast acquisition channels, -162 dBm indoor tracking sensitivity, and embedded 16 Mbit SQI Flash memory - deployed in automotive telematics, fleet tracking, and portable navigation devices.
For engineers reviewing the STA8089FGBTR datasheet, STA8089FGBTR pinout, STA8089FGBTR application, or STA8089FGBTR equivalent, key selection considerations include multi-constellation TTFF performance (<1 s hot start), ARM946 MCU (196 MHz) with 256 KB SRAM, dual CAN 2.0B interfaces, USB 2.0 full-speed PHY, and VFQFPN56 package compatibility with STA8088FG.
Technical Context
The STA8089FGBTR integrates a G3BB+ baseband processor handling simultaneous multi-constellation signal correlation, acquisition, and navigation solution computation, coupled with a dedicated RF front-end featuring LNA, dual-band downconversion (GPS/Galileo at 1575.42 MHz → 4.092 MHz; GLONASS/BeiDou at 1601.718/1561.098 MHz → 8.57/10.23 MHz), and on-chip 3-bit ADC for IF digitization.
Its ARM946E-S subsystem runs embedded GNSS firmware without external memory, supported by real-time peripherals including RTC, 32-bit watchdog timer, three UARTs, I²C master, SSP (SPI-compatible), dual CAN controllers, and two 10-bit ADC channels - all coordinated via AHB/APB bus architecture with dedicated voltage domains (VDD = 1.0–1.32 V, VCC_RF = 1.2 V ±10%, VddIO = 1.8 V ±5% or 3.3 V ±10%).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| GNSS Constellations | GPS, Galileo, GLONASS, BeiDou, QZSS - enables robust positioning in urban canyons and weak-signal environments via multi-system signal fusion. |
| Tracking Channels | 48 channels - supports concurrent satellite tracking across constellations for high-accuracy PVT solutions. |
| Indoor Sensitivity | -162 dBm (tracking) - allows reliable position lock indoors or under dense foliage using low-noise RF chain and optimized baseband processing. |
| TTFF Performance | <1 s (hot start), 30 s (cold start) - achieved via fast acquisition engine and embedded flash-stored ephemeris/almanac data. |
| MCU Core | ARM946E-S @ up to 196 MHz - executes full GNSS stack and user applications without external processor or memory. |
| Embedded Memory | 256 KB SRAM + 16 Mbit in-package SQI Flash - stores firmware, navigation data, and application code; eliminates external memory BOM cost and layout complexity. |
| Interface Peripherals | 2× CAN 2.0B, USB 2.0 FS (12 Mbps w/ PHY), 3× UART, I²C, SSP, 2× ADC (10-bit) - enables direct integration into vehicle networks and host systems without bridge ICs. |
| Supply Voltages | VINL = 1.8 V ±5%, VDD = 1.0–1.32 V, VCC_RF = 1.2 V ±10%, VddIO = 1.8 V ±5% or 3.3 V ±10% - supports flexible power architecture with internal LDOs and backup domain operation. |
Pinout & Package
Package: VFQFPN56 (7 × 7 × 1.0 mm, 0.4 mm pitch), RoHS-compliant, thermally enhanced with exposed pad.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| RSTn | Reset Input | Schmitt-triggered active-low reset with noise filtering; initiates cold boot sequence and firmware reload. |
| STDBYn / STDBY_OUT | Standby Control / Status | Active-low entry into ultra-low-power standby mode; STDBY_OUT asserts low to signal active standby state. |
| USB_DP / USB_DM | USB 2.0 Full-Speed Interface | Differential D+/D− lines with integrated PHY - enables direct connection to host USB controller without external transceiver. |
| CAN0_TX / CAN0_RX CAN1_TX / CAN1_RX |
CAN 2.0B Transceivers | Dual independent CAN controllers with dedicated TX/RX pins - supports redundant vehicle bus communication or multi-node topology. |
| ADC_IN1 / ADC_IN2 | Analog Inputs | 10-bit SAR ADC inputs (0–1.4 V range) - used for battery monitoring, temperature sensing (via TSENSE), or auxiliary sensor interfacing. |
| XTAL_IN / XTAL_OUT | 32.768 kHz Crystal Interface | Connects to external 32.768 kHz crystal for RTC timing; low-jitter oscillator circuit ensures accurate timekeeping during backup operation. |
| LNA_IN | RF Front-End Input | Single-ended 50 Ω input for GNSS antenna signal; integrated LNA provides >17 dB gain and <2.0 dB NF for optimal SNR. |
| VINB | Backup Supply Input | 1.6–4.3 V input powering RTC, BKRAM, and oscillator during main supply loss - enables seamless time and position continuity. |
Key Features
| Feature | Design Value |
|---|---|
| Multi-constellation GNSS Engine | Simultaneous GPS/Galileo/GLONASS/BeiDou/QZSS tracking - improves satellite visibility and reduces position error in obstructed environments. |
| Embedded Firmware Execution | Full GNSS stack (acquisition, tracking, navigation, NMEA output) runs directly from on-chip Flash - eliminates need for external microcontroller or memory. |
| Dual CAN 2.0B Controllers | Independent CAN0/CAN1 with configurable bit rates up to 1 Mbps - supports automotive diagnostics (UDS), ECU bridging, or fleet data aggregation. |
| Integrated USB 2.0 PHY | Full-speed (12 Mbps) transceiver with suspend/resume support - enables plug-and-play PC connectivity for configuration, firmware updates, and raw data logging. |
| Low-Power Standby Mode | <10 µA typical current draw in standby with RTC and backup RAM active - extends battery life in portable and always-on tracking devices. |
| Thermal & Voltage Robustness | Operates from -40°C to +85°C; supports dual I/O voltage rings (1.8 V / 3.3 V) and multiple regulated domains - simplifies power design in harsh automotive environments. |
Applications
| Automotive Telematics | Fleet Management Systems |
|---|---|
|
Use Scenario: Real-time vehicle location, speed, heading, and diagnostic data transmission over cellular network. IC Role / Device Role / Timing Role: Primary GNSS positioning engine with CAN interface for OBD-II data fusion and USB for field firmware updates. Use Value: Sub-2.5 m CEP accuracy under dynamic conditions, enabled by multi-constellation tracking and 30 s cold-start TTFF - critical for dispatch optimization and compliance reporting. |
Use Scenario: GPS-enabled asset tracking across geographically dispersed commercial vehicles with periodic wake-up and low-duty-cycle reporting. IC Role / Device Role / Timing Role: Standalone positioning node with VINB-backed RTC and ultra-low-power standby - maintains time and last-known position during sleep cycles. Use Value: <10 µA standby current and embedded Flash reduce battery drain and eliminate external memory, extending operational life to >5 years on primary Li-SOCl₂ cells. |
| Portable Navigation Devices | Emergency Response Terminals |
|
Use Scenario: Handheld or in-vehicle navigation units requiring instant location lock, map rendering, and pedestrian routing. IC Role / Device Role / Timing Role: High-performance GNSS receiver with ARM946 MCU executing UI logic and sensor fusion (via ADC inputs). Use Value: <1 s hot-start TTFF and -162 dBm indoor sensitivity enable rapid reacquisition after tunneling or building entry - essential for turn-by-turn guidance continuity. |
Use Scenario: Personal emergency beacons (PEBs) and maritime distress transmitters requiring guaranteed position fix under adverse RF conditions. IC Role / Device Role / Timing Role: Mission-critical positioning core with dual CAN for redundancy and USB for post-event forensic data download. Use Value: Multi-constellation support increases probability of ≥4 visible satellites in polar regions or mountainous terrain - meeting IMO/GMDSS position reliability requirements. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar GNSS receiver applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| STA8088FG | Pin-to-pin compatible; identical package and peripheral set but lacks TESEO-DRAW dead reckoning support and has lower Flash density (8 Mbit vs. 16 Mbit). | Targeted at cost-sensitive designs where dead reckoning and extended firmware storage are not required. | Select when migrating legacy designs with minimal firmware footprint and no inertial augmentation needs. |
| u-blox UBX-M8030-KT | 32-channel GPS/GLONASS only; no BeiDou/QZSS support; requires external Flash and MCU; no integrated CAN or USB PHY. | Used in compact consumer electronics where multi-constellation is secondary to size/cost, and host processor handles protocol stack. | Choose for non-automotive applications with simpler constellation requirements and existing host MCU infrastructure. |
Compared with STA8088FG, STA8089FGBTR delivers higher Flash capacity and optional dead reckoning firmware; versus u-blox UBX-M8030-KT, it offers full multi-constellation support, integrated peripherals, and autonomous operation - reducing total system BOM count and software development effort.
Availability
STA8089FGBTR is available at Aetrix Electronics and suitable for automotive telematics, fleet management systems, and portable navigation devices requiring stable component supply, long-term lifecycle assurance, and AEC-Q100-aligned manufacturing traceability.
Supply support for STA8089FGBTR includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
STMicroelectronics is a global semiconductor leader headquartered in Geneva, Switzerland, designing and manufacturing analog, microcontroller, power, and sensor solutions for automotive, industrial, and consumer markets.
STA8089FGBTR belongs to the Teseo III family - a product line engineered specifically for high-accuracy, low-power, multi-constellation GNSS positioning in automotive and professional navigation applications.
FAQ
Does STA8089FGBTR support dead reckoning functionality?
Only the STA8089FGBD variant (not FGBTR) supports TESEO-DRAW dead reckoning firmware. The FGBTR version includes the same hardware platform and pinout but ships with standard GNSS-only firmware. Dead reckoning capability requires separate firmware licensing and validation through STMicroelectronics.
What is the role of the VINB supply pin, and what happens if it's unconnected?
VINB (1.6–4.3 V) powers the backup domain, enabling RTC operation, BKRAM retention, and oscillator function during main supply loss. If unconnected, RTC stops, backup RAM loses contents, and the device cannot maintain time or position context across power cycles - though normal GNSS operation remains unaffected when VINL/VDD are active.
Can STA8089FGBTR operate without an external crystal?
No - a 32.768 kHz crystal must be connected between XTAL_IN and XTAL_OUT for RTC functionality and system clock stability. The device does not support external clock input or internal RC oscillator for this function; omission prevents RTC initialization and may impact time-tagged navigation outputs.
Is the USB interface capable of host-mode operation?
No - STA8089FGBTR implements USB 2.0 full-speed device-mode only, with integrated PHY and endpoint controllers. It functions exclusively as a USB peripheral (e.g., virtual COM port or CDC device) and cannot act as a USB host to enumerate external devices like GNSS antennas or storage drives.
STA8089FGBTR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- STMicroelectronics
- Series:
- -
- Package/Case:
- 56-VFQFN Exposed Pad
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Frequency:
- 1.561GHz, 1.575GHz, 1.601GHz
- Sensitivity:
- -162dBm
- Data Rate (Max):
- 12Mbps
- Modulation or Protocol:
- BeiDou, Galileo, GLONASS, GNSS, GPS
- Applications:
- General Purpose
- Current - Receiving:
- -
- Data Interface:
- I2C, SPI, UART
- Memory Size:
- 256kB SRAM, 512kB ROM
- Antenna Connector:
- PCB, Surface Mount
- Features:
- -
- Voltage - Supply:
- 1.08V ~ 1.32V
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 56-VFQFPN (7x7)
STA8089FGBTR FAQ
1.How can I place an order for STA8089FGBTR through Aetrix?
Please submit a Request for Quotation (RFQ) for STA8089FGBTR on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for STA8089FGBTR reliable?
The price and inventory of STA8089FGBTR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for STA8089FGBTR is usually 5 days.
3.What payment methods are accepted for STA8089FGBTR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for STA8089FGBTR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for STA8089FGBTR?
STA8089FGBTR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your STA8089FGBTR order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for STA8089FGBTR?
For technical support, including STA8089FGBTR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your STA8089FGBTR requirements.
6.How does Aetrix verify that STA8089FGBTR is sourced from the original manufacturer or authorized distributors?
All STA8089FGBTR products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that STA8089FGBTR meets industry standards.
7.What is the process for return or replacement of STA8089FGBTR?
All STA8089FGBTR units undergo pre-shipment inspection (PSI). If there is an issue with STA8089FGBTR, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The STA8089FGBTR part is unused and in its original packaging.
Return procedure for STA8089FGBTR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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