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STMicroelectronics STA8089GATR
- Part No.:
- STA8089GATR
- Manufacturer:
- STMicroelectronics
- Category:
- RF Receivers
- Package:
- 56-VFQFN Exposed Pad
- Datasheet:
-
STA8089GATR.pdf
- Description:
- AUTOMOTIVE GRADE GPS/GALILEO/GLO
- Quantity:
- Payment:
- Shipping:
Inventory:2,593
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Product details
Overview
STA8089GAT from STMicroelectronics is an AEC-Q100 Grade 2 qualified, single-die standalone 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), USB 2.0 full-speed PHY, dual CAN, dual UART, I²C, SQI Flash interface, RTC, and 256 KB SRAM. It targets automotive in-dash navigation and OEM telematics systems requiring high-accuracy positioning under urban multipath conditions.
For engineers reviewing the STA8089GAT datasheet, STA8089GAT pinout, STA8089GAT application, or STA8089GAT equivalent, key selection criteria include multi-constellation support, automotive temperature range (-40/+105°C), embedded dead reckoning readiness (STA8089GATD variant), RF front-end integration, and compliance with ST Automotive Grade zero-defect production flow.
Technical Context
The STA8089GAT integrates a proprietary G3BB+ baseband processor handling simultaneous Galileo/GPS (4.092 MHz IF), GLONASS (8.57 MHz IF), and BeiDou (10.23 MHz IF) signal processing with sign-magnitude 3-bit ADC digitization and VGA gain control via SPI. Its RF front-end embeds LNA, synthesizer, and dual-path downconversion with 10–52 MHz reference clock acceptance.
The ARM946E-S subsystem operates up to 196 MHz with 16 KB I-Cache, 8 KB D-Cache, 16 KB high-speed I-TCM, and 128 KB switchable I/D-TCM, coupled to APB peripherals including dual CAN controllers (ISO 11898-1 compliant), two UARTs, I²C master/slave, 10-bit dual-channel SAR ADC, and USB 2.0 full-speed transceiver with on-chip PHY.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| GNSS Constellations | GPS, Galileo, GLONASS, BeiDou, QZSS - enables robust position fix in urban canyons via multi-system signal fusion |
| Tracking Channels | 48 concurrent channels - supports simultaneous satellite tracking across all constellations for improved accuracy and continuity |
| Indoor Sensitivity | -162 dBm (tracking mode) - allows reliable position lock indoors or under dense foliage using weak signal correlation |
| TTFF (Cold Start) | <30 s - reduces time-to-first-fix without external assistance data, leveraging embedded ephemeris prediction |
| Operating Temp | -40°C to +105°C - meets AEC-Q100 Grade 2 and ST Automotive Grade requirements for under-hood and dashboard deployment |
| Supply Voltages | VINL: 1.8 V ±5%, VDD: 1.1–1.32 V, VCC_RF/VCC_PLL: 1.2 V ±10%, VddIO: 1.8 V ±5% or 3.3 V ±10% - enables flexible power architecture with internal LDOs |
| Package | VFQFPN56 (7 × 7 × 1.0 mm, 0.4 mm pitch) - surface-mount package optimized for automotive PCB thermal and mechanical reliability |
Pinout & Package
STA8089GAT is housed in a VFQFPN56 (7 × 7 × 1.0 mm) package with 0.4 mm pitch and exposed thermal pad. Pin functions are validated per STMicroelectronics DS11777 Rev 5, Sections 2.2–2.7.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VINL1 / VINL2 | Main LDO input supply | 1.8 V (VINL1) and 1.6–4.3 V (VINL2) inputs powering digital core and ADC; enable low-noise internal regulation |
| VCC_RF / VCC_PLL / VCC_CHAIN | Analog RF supply rails | 1.2 V ±10% dedicated supplies for RF front-end, PLL, and signal chain - isolate noise-sensitive analog blocks from digital switching |
| USB_DP / USB_DM | USB 2.0 differential pair | Integrated full-speed PHY eliminates external transceiver; supports direct connection to host controller with ESD protection |
| CAN0_TX / CAN0_RX / CAN1_TX / CAN1_RX | CAN bus interface terminals | Dual ISO 11898-1 compliant CAN controllers with independent TX/RX pins - enable redundant vehicle network connectivity or gateway functionality |
| ADC_IN1 / ADC_IN2 | Analog sensor inputs | 10-bit SAR ADC inputs with 0–1.4 V range - support direct connection of vehicle sensors (e.g., temperature, battery voltage) without external signal conditioning |
| XTAL_IN / XTAL_OUT | 32.768 kHz crystal interface | Drives internal RTC oscillator; supports low-power backup timing during main supply shutdown |
Key Features
| Feature | Design Value |
|---|---|
| ST Automotive Grade qualification | Exceeds AEC-Q100 Grade 2 with zero-defect production flow - ensures long-term reliability in safety-critical automotive applications |
| Embedded TESEO-DRAW readiness | Hardware support for ST's dead reckoning firmware (STA8089GATD variant) - enables seamless position hold during GNSS outages using IMU fusion |
| Pin-to-pin compatibility with STA8088GA | Direct drop-in replacement for legacy Teseo II designs - accelerates migration without PCB redesign or firmware revalidation |
| Integrated RF front-end + LNA | Eliminates external RF filters, SAWs, and matching networks - reduces BOM count and layout complexity while improving noise figure |
| Backup domain with RTC & BKRAM | Retains real-time clock and 32 KB backup RAM during main power loss - maintains timekeeping and critical state across ignition cycles |
Applications
| Automotive In-Dash Navigation | OEM Telematics Control Unit (TCU) |
|---|---|
|
Use Scenario: Real-time turn-by-turn navigation in urban environments with tall buildings and signal blockage. IC Role / Device Role / Timing Role: Primary GNSS positioning engine performing multi-constellation acquisition, tracking, and PVT computation; RTC provides time-stamping for NMEA output. Use Value: Delivers sub-5 m CEP accuracy and <30 s cold-start TTFF even with partial sky view, enabling reliable guidance without cellular assistance. |
Use Scenario: Fleet tracking and remote diagnostics in commercial vehicles with intermittent GNSS coverage. IC Role / Device Role / Timing Role: Core location engine interfacing with CAN bus for vehicle data aggregation and USB/UART for cellular modem handoff. Use Value: Dual CAN interfaces allow concurrent communication with engine ECU and body control module; embedded firmware handles assisted-GNSS data parsing and storage. |
| Automotive Emergency Call (eCall) System | Advanced Driver Assistance Systems (ADAS) Positioning |
|
Use Scenario: Automatic crash notification with precise location transmission within 100 ms of airbag deployment. IC Role / Device Role / Timing Role: Standby-mode GNSS receiver woken by WAKEUP pin; delivers last-known position and timestamp via CAN/UART upon trigger. Use Value: STDBYn/STDBY_OUT signals enable ultra-low-power standby (<10 µA); backup domain preserves RTC and position history across power loss. |
Use Scenario: Centimeter-level positioning augmentation for lane-level ADAS features using RTK or SBAS corrections. IC Role / Device Role / Timing Role: High-sensitivity GNSS baseband processor feeding raw pseudorange and carrier-phase measurements to external RTK engine via UART/SQI. Use Value: -162 dBm tracking sensitivity and 48-channel correlator array maintain lock on weak, multipath-distorted signals critical for high-integrity positioning. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar GNSS receiver applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| u-blox UBX-M8030-KT | 33 tracking channels, no integrated ARM MCU, requires external host processor; supports GPS/Galileo/GLONASS only | Lacks embedded processing and dual CAN; suited for host-based architectures rather than standalone navigation units | Select when system already includes a capable application processor and GNSS functionality is delegated to a peripheral module |
| Qualcomm WGR7640 | Multi-GNSS + LTE Cat M1 combo chip; integrated modem but no automotive temp rating or AEC-Q100 qualification | Targets connected IoT, not automotive safety-critical systems; lacks ST Automotive Grade production traceability | Select for non-automotive telematics where cellular connectivity is primary and GNSS is secondary |
Compared with u-blox UBX-M8030-KT and Qualcomm WGR7640, STA8089GAT uniquely combines AEC-Q100 Grade 2 qualification, embedded ARM946 MCU, dual CAN, and multi-constellation support in a single die - making it the only option for automotive-grade standalone navigation without external host dependency.
Availability
STA8089GAT is available at Aetrix Electronics and suitable for automotive in-dash navigation, OEM telematics control units, and emergency call (eCall) systems requiring stable component supply across extended temperature ranges and long product lifecycles.
Supply support for STA8089GAT 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 management solutions with over 40 years of microelectronics innovation.
STA8089GAT belongs to the Teseo III family - a line of automotive-qualified GNSS receivers designed specifically for high-reliability positioning in safety-critical vehicle systems, emphasizing multi-constellation resilience, low-power operation, and seamless integration into automotive ECUs.
FAQ
Is STA8089GAT pin-compatible with STA8088GA?
Yes, STA8089GAT is pin-to-pin compatible with STA8088GA per STMicroelectronics documentation. This enables direct hardware replacement in existing Teseo II designs without PCB revision. Firmware updates may be required to leverage new features like QZSS support and enhanced dead reckoning capabilities.
What GNSS constellations does STA8089GAT support natively?
STA8089GAT natively supports GPS, Galileo, GLONASS, BeiDou, and QZSS using its 48-channel G3BB+ baseband processor. It processes Galileo/GPS at 4.092 MHz IF, GLONASS at 8.57 MHz IF, and BeiDou at 10.23 MHz IF - all simultaneously - without external configuration or firmware patching.
Does STA8089GAT include an integrated USB physical layer?
Yes, STA8089GAT integrates a full-speed USB 2.0 PHY compliant with USB specification 2.0, supporting 12 Mbps data rates. The USB_DP and USB_DM pins connect directly to a USB connector without external transceivers, and the embedded driver stack enables CDC ACM class enumeration for NMEA streaming.
What is the role of the backup domain (BK_Domain) in STA8089GAT?
The backup domain powers the RTC, 32 KB BKRAM, and oscillator circuit from VINB (1.6–4.3 V), maintaining timekeeping and critical data during main supply loss. It enables wake-up via WAKEUP pin and preserves last-known position and timestamp - essential for eCall and ignition-cycle continuity in automotive applications.
STA8089GATR 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:
- 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)
STA8089GATR FAQ
1.How can I place an order for STA8089GATR through Aetrix?
Please submit a Request for Quotation (RFQ) for STA8089GATR 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 STA8089GATR reliable?
The price and inventory of STA8089GATR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for STA8089GATR is usually 5 days.
3.What payment methods are accepted for STA8089GATR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for STA8089GATR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for STA8089GATR?
STA8089GATR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your STA8089GATR 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 STA8089GATR?
For technical support, including STA8089GATR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your STA8089GATR requirements.
6.How does Aetrix verify that STA8089GATR is sourced from the original manufacturer or authorized distributors?
All STA8089GATR 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 STA8089GATR meets industry standards.
7.What is the process for return or replacement of STA8089GATR?
All STA8089GATR units undergo pre-shipment inspection (PSI). If there is an issue with STA8089GATR, 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 STA8089GATR part is unused and in its original packaging.
Return procedure for STA8089GATR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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