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STMicroelectronics STA8089GAD
- Part No.:
- STA8089GAD
- Manufacturer:
- STMicroelectronics
- Category:
- RF Receivers
- Package:
- 56-VFQFN Exposed Pad
- Datasheet:
-
STA8089GAD.pdf
- Description:
- AUTOMOTIVE GRADE GPS/GALILEO/GLO
- Quantity:
- Payment:
- Shipping:
Inventory:4,252
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Product details
Overview
STA8089GAD from STMicroelectronics is an AEC-Q100 qualified, single-die automotive GNSS receiver IC supporting GPS/Galileo/GLONASS/BeiDou/QZSS with 48 tracking + 2 fast acquisition channels, -162 dBm indoor tracking sensitivity, <1 s hot-start TTFF, and integrated ARM946 MCU (196 MHz), 256 KB SRAM, dual CAN, USB 2.0 FS PHY, and TESEO-DRAW dead reckoning firmware support - deployed in OEM telematics and in-dash navigation systems.
For engineers reviewing the STA8089GAD datasheet, STA8089GAD pinout, STA8089GAD application, or STA8089GAD equivalent, key selection criteria include multi-constellation timing accuracy under urban canopy, backup power domain operation (VINB 1.6–4.3 V), RF front-end integration (LNA + VGA + 3-bit ADC), SQI Flash interface compatibility, and VFQFPN56 package thermal performance at -40/+85°C.
Technical Context
The STA8089GAD integrates a G3BB+ baseband processor capable of simultaneous Galileo/GPS (4.092 MHz IF) and GLONASS/BeiDou (8.57/10.23 MHz IF) signal processing using sign-magnitude 3-bit digitization, with configurable VGA gain via SPI and on-chip clock generation (64×/192× Fo). Its RF front-end embeds LNA, RF chain LDOs (VCC_RF/VCC_PLL/VCC_CHAIN @ 1.2 V ±10%), and crystal oscillator interface (XTAL_IN/XTAL_OUT @ 1.2 V).
The MCU subsystem features ARM946E-S core with 16 KB I-Cache, 8 KB D-Cache, 16 KB high-speed I-TCM, 128 KB switchable I/D-TCM, and APB peripherals including dual CAN controllers (CAN0/CAN1), two UARTs, I²C master/slave, 10-bit dual-channel SAR ADC, RTC, and watchdog timer - all powered across five independent voltage domains (VINL, VINB, VDD, VCC, VddIO).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| GNSS Constellations | GPS, Galileo, GLONASS, BeiDou, QZSS - enables position fix in >95% urban canyon scenarios via multi-system signal fusion |
| Tracking Channels | 48 parallel channels + 2 fast-acquisition channels - supports concurrent satellite visibility across ≥4 constellations |
| Indoor Sensitivity | -162 dBm (tracking mode) - maintains lock indoors using low-noise RF front-end and adaptive AGC |
| TTFF Performance | <1 s hot start, 30 s cold start - achieved via embedded 256 KB SRAM for ephemeris caching and fast baseband correlation |
| MCU Core | ARM946E-S @ up to 196 MHz - executes TESEO-DRAW dead reckoning firmware with sensor fusion logic |
| Interface Support | USB 2.0 FS (integrated PHY), SQI Flash, 2× CAN 2.0B, 2× UART, I²C, 10-bit dual ADC - enables direct connection to vehicle bus and external memory |
| Supply Domains | VINL = 1.8 V ±5%, VINB = 1.6–4.3 V, VDD = 1.1–1.32 V, VCC = 1.2 V ±10%, VddIO = 1.8 V ±5% or 3.3 V ±10% - isolates RF, digital, and backup logic for noise immunity |
Pinout & Package
STA8089GAD is housed in a VFQFPN56 (7 × 7 × 1.0 mm, 0.4 mm pitch) thermally enhanced package with exposed pad for PCB heat dissipation and automotive-grade moisture sensitivity level (MSL3).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VINL1 / VINL2 | Main digital supply inputs | 1.8 V primary LDO input (VINL1); 1.6–4.3 V secondary LDO input (VINL2) - powers core logic and ADC |
| VINB | Backup supply input | 1.6–4.3 V input for RTC, BKRAM, and wake-up circuitry - sustains timekeeping during main power loss |
| VCC_RF / VCC_PLL / VCC_CHAIN | RF analog supplies | 1.2 V ±10% dedicated rails for LNA, PLL, and RF chain - minimize phase noise and spurious emissions |
| LNA_IN | RF front-end input | Differential-capable 1.2 V input for GPS/Galileo/GLONASS/BeiDou antenna signal - integrated LNA achieves NF <2.5 dB |
| XTAL_IN / XTAL_OUT | 32.768 kHz crystal interface | Drives RTC oscillator amplifier - supports external TCXO or crystal for ±20 ppm stability in automotive thermal cycling |
| CAN0_TX / CAN0_RX / CAN1_TX / CAN1_RX | Controller Area Network interfaces | Two isolated CAN 2.0B physical layers - enable direct connection to vehicle chassis and infotainment networks |
| USB_DP / USB_DM | USB 2.0 Full-Speed interface | Integrated PHY eliminates external transceiver - supports firmware updates and NMEA data streaming at 12 Mbps |
| SQI_SIO0–SIO3 / SQI_CLK / SQI_CEN | Serial Quad Interface | 4-line quad-SPI interface for external Flash memory - bootable, supports XIP for fast firmware execution |
Key Features
| Feature | Design Value |
|---|---|
| TESEO-DRAW dead reckoning | ST's proprietary firmware fuses GNSS, IMU, wheel speed, and steering angle inputs - delivers continuous positioning during GNSS outages (tunnels, garages) |
| Multi-constellation baseband (G3BB+) | Simultaneous Galileo/GPS + GLONASS/BeiDou processing with sign-magnitude 3-bit IF digitization - reduces correlation latency by 40% vs prior Teseo II |
| Dual independent CAN controllers | Two fully compliant CAN 2.0B interfaces with message RAM and filtering - supports redundant vehicle bus communication without external bridge IC |
| Embedded voltage regulation | Three on-chip LDOs (LDO1/LDO2/BKLDO) generate VDD, VOL1/VOL2, and VOB - eliminates 5 external regulators in typical automotive layout |
| Automotive qualification | AEC-Q100 Grade 2 (-40/+105°C ambient) plus ST's zero-defect production flow - validated for 15-year OEM lifecycle in safety-critical telematics |
Applications
| Automotive In-Dash Navigation | OEM Telematics Control Unit (TCU) |
|---|---|
Use Scenario: Real-time turn-by-turn guidance with lane-level accuracy in dense urban environments. IC Role / Device Role / Timing Role: Primary GNSS positioning engine performing multi-constellation acquisition, tracking, and PVT computation; RTC provides time-stamping for map-matching algorithms. Use Value: Achieves sub-3 m CEP accuracy with <1 s hot-start TTFF using TESEO-DRAW to maintain continuity during signal blockage from overpasses and tunnels. |
Use Scenario: Embedded connectivity module transmitting location, crash data, and diagnostic codes to cloud platform. IC Role / Device Role / Timing Role: Central timing and positioning node interfacing with CAN FD backbone, cellular modem, and inertial sensors via GPIO/ADC. Use Value: Dual CAN ports enable concurrent communication with powertrain (CAN0) and body control (CAN1); SQI Flash stores OTA update images securely. |
| Commercial Fleet Tracking | Emergency Call (eCall) System |
Use Scenario: High-duty-cycle asset monitoring for logistics vehicles operating across national borders. IC Role / Device Role / Timing Role: Multi-system GNSS receiver ensuring continuous fix across EU (Galileo), Russia (GLONASS), China (BeiDou), and Japan (QZSS) coverage zones. Use Value: 48-channel correlator handles >20 visible satellites simultaneously - improves dilution of precision (HDOP) to <1.8 in mixed-constellation mode. |
Use Scenario: Automatic crash notification with precise location and timestamp within 100 ms of impact detection. IC Role / Device Role / Timing Role: Safety-critical positioning source with VINB-backed RTC and STDBYn-controlled low-power wake-up - meets ETSI EN 302 637-2 timing requirements. Use Value: Backup domain retains RTC time and last known position during main power failure; WAKEUP pin triggers immediate GNSS reacquisition post-impact. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar multi-constellation GNSS receiver applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| u-blox UBX-M8030-KT | 33 tracking channels, no integrated MCU or CAN; requires external host processor and transceivers | Targeted at compact modules where host MCU handles dead reckoning and vehicle bus protocol stack | Select when system architecture uses discrete GNSS + application processor; avoid if TESEO-DRAW firmware or dual CAN are required |
| Qualcomm Snapdragon Automotive GNSS Platform (SA8155P + GNSS) | SoC-integrated GNSS with Hexagon DSP acceleration; supports L1/L5 but lacks QZSS/BeiDou full-band support | Used in centralized infotainment platforms where GNSS is one subsystem among compute, audio, and display | Select for high-throughput ADAS data fusion; avoid for cost-sensitive standalone TCU designs requiring AEC-Q100 standalone qualification |
Compared with u-blox UBX-M8030-KT and Qualcomm SA8155P GNSS, STA8089GAD uniquely combines AEC-Q100 qualification, embedded ARM946 MCU with TESEO-DRAW, dual CAN, and full 5-constellation support in a single VFQFPN56 package - reducing BOM count and enabling deterministic real-time positioning without host dependency.
Availability
STA8089GAD is available at Aetrix Electronics and suitable for automotive in-dash navigation, OEM telematics control units, commercial fleet tracking, and emergency call (eCall) systems requiring stable component supply, long-lifecycle support, and AEC-Q100 compliance.
Supply support for STA8089GAD 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, specializing in automotive, industrial, and power technologies with over 40 years of microcontroller and analog IP development.
STA8089GAD belongs to the Teseo III family - ST's third-generation automotive GNSS platform designed specifically for safety-critical, high-reliability positioning in OEM telematics and navigation systems with integrated dead reckoning and multi-constellation support.
FAQ
What is the difference between STA8089GA and STA8089GAD?
STA8089GAD is the variant certified and shipped with TESEO-DRAW dead reckoning firmware preloaded and enabled, while STA8089GA is the base part without DRAW firmware activation. Both share identical silicon, pinout, electrical specs, and VFQFPN56 packaging - only firmware configuration differs.
Does STA8089GAD support QZSS L1-SAIF augmentation?
Yes, STA8089GAD supports QZSS L1-SAIF (Sub-meter Class Augmentation Information Format) for sub-meter accuracy in Japan and Asia-Pacific regions. The G3BB+ baseband processes SAIF messages alongside standard navigation data to correct ionospheric delays and improve horizontal accuracy to ≤1.5 m CEP.
Can STA8089GAD operate without external Flash memory?
Yes - STA8089GAD contains 256 KB embedded SRAM and ROM-based bootloader, enabling basic GNSS operation (NMEA output via UART) without external Flash. However, TESEO-DRAW firmware, multi-constellation almanac storage, and field-upgradable features require external SQI Flash memory.
What is the thermal resistance (θJA) of the VFQFPN56 package?
The VFQFPN56 (7 × 7 mm) package has a typical junction-to-ambient thermal resistance (θJA) of 42 °C/W under JEDEC JESD51-7 4-layer board conditions. With 1 cm² copper pour under the exposed pad, θJA improves to ≤31 °C/W - enabling sustained 196 MHz MCU operation at +85°C ambient.
STA8089GAD Specifications
- Product attributes
- Attribute value
- Manufacturer:
- STMicroelectronics
- Series:
- -
- Package/Case:
- 56-VFQFN Exposed Pad
- Packaging:
- Tray
- 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:
- GPS Receiver
- Current - Receiving:
- -
- Data Interface:
- I2C, SPI, UART, USB
- 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:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 56-VFQFPN (7x7)
STA8089GAD FAQ
1.How can I place an order for STA8089GAD through Aetrix?
Please submit a Request for Quotation (RFQ) for STA8089GAD 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 STA8089GAD reliable?
The price and inventory of STA8089GAD are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for STA8089GAD is usually 5 days.
3.What payment methods are accepted for STA8089GAD?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for STA8089GAD transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for STA8089GAD?
STA8089GAD orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your STA8089GAD 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 STA8089GAD?
For technical support, including STA8089GAD datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your STA8089GAD requirements.
6.How does Aetrix verify that STA8089GAD is sourced from the original manufacturer or authorized distributors?
All STA8089GAD 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 STA8089GAD meets industry standards.
7.What is the process for return or replacement of STA8089GAD?
All STA8089GAD units undergo pre-shipment inspection (PSI). If there is an issue with STA8089GAD, 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 STA8089GAD part is unused and in its original packaging.
Return procedure for STA8089GAD:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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