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STMicroelectronics STA8088TGATR
- Part No.:
- STA8088TGATR
- Manufacturer:
- STMicroelectronics
- Category:
- RF Receivers
- Package:
- 56-VFQFN Exposed Pad
- Datasheet:
-
STA8088TGATR.pdf
- Description:
- ADD INFOTAINMENT
- Quantity:
- Payment:
- Shipping:
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Product details
Overview
STA8088TGATR from STMicroelectronics is a highly integrated GNSS receiver SoC combining GPS, GLONASS, and QZSS tracking engines with an ARM926EJ-S microprocessor, 1 MB embedded SRAM, and dual UARTs. It delivers sub-2.5 m CEP positioning accuracy with fast TTFF (<1 s hot start), supports dead reckoning via integrated sensor fusion logic, and operates from a single 1.8 V supply for baseband and RF sections - used in automotive telematics and fleet management trackers.
For engineers reviewing the STA8088TGATR datasheet, STA8088TGATR pinout, STA8088TGATR application, or STA8088TGATR equivalent, key selection criteria include its integrated GNSS+GLONASS+QZSS front-end, on-chip ARM926EJ-S core with flashless operation, low-noise RF front-end (–163 dBm sensitivity), configurable I/O voltage domains (1.8 V / 3.3 V), and AEC-Q100 Grade 2 automotive qualification.
Technical Context
The STA8088TGATR implements a dual-path GNSS acquisition architecture: one high-sensitivity channel bank for GPS/GLONASS/QZSS satellite search and another dedicated fast-acquisition path. Its embedded ARM926EJ-S processor runs ST's proprietary GNSS firmware stack and supports real-time dead reckoning using external IMU inputs via SPI or I²C.
RF functionality includes integrated LNA, mixer, IF filter, and 16-bit ADC with programmable gain control; baseband processing uses parallel correlators and hardware-accelerated FFT-based acquisition. Power management integrates three independent regulators (1.8 V digital, 1.8 V RF, 3.3 V I/O) with dynamic voltage scaling and standby modes consuming <15 µA.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| GNSS Constellations | GPS L1 C/A, GLONASS L1, QZSS L1 - enables multi-constellation position fix in urban canyons with improved availability and convergence time |
| Positioning Accuracy | 2.5 m CEP (95%) - meets automotive navigation requirements without external correction services |
| TTFF (Hot Start) | <1 s - achieved via on-chip ephemeris storage and retained almanac across power cycles |
| RF Sensitivity | –163 dBm - allows reliable signal acquisition under heavy foliage or inside vehicle cabins |
| Embedded Memory | 1 MB SRAM - sufficient to host full GNSS acquisition/track firmware, NMEA parsing, and dead reckoning algorithms without external RAM |
| Supply Voltages | VDD = 1.8 V (core/RF), VDDIO = 1.8 V / 3.3 V (configurable) - simplifies power design with single-input buck-boost or dual-LDO solution |
| Operating Temperature | –40 °C to +105 °C - qualified per AEC-Q100 Grade 2 for under-hood automotive deployment |
Pinout & Package
VFQFPN48 (7 × 7 mm, 0.5 mm pitch) package with exposed thermal pad for automotive-grade thermal dissipation and EMI control.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD | Digital core supply | 1.8 V input for ARM926EJ-S and baseband logic; requires local 1 µF ceramic decoupling |
| VDDRF | RF section supply | 1.8 V dedicated rail for LNA/mixer/ADC; isolated from digital VDD to prevent noise coupling |
| VDDIO | I/O supply | Configurable 1.8 V or 3.3 V for UART, SPI, I²C, and GPIO - sets logic level for host interface |
| RF_IN | GNSS antenna input | 50 Ω single-ended RF port accepting –163 dBm signals; DC-coupled with internal bias tee |
| XTAL_IN / XTAL_OUT | Crystal oscillator interface | Supports 26 MHz fundamental-mode crystal for clock generation; internal load caps reduce BOM count |
| UART1_TX / UART1_RX | Primary host interface | Asynchronous serial link for NMEA output and firmware configuration; 3.3 V tolerant when VDDIO = 3.3 V |
| RESET_N | Active-low reset input | Asynchronous reset with Schmitt trigger; requires ≥10 µs pulse width and pull-up to VDDIO |
Key Features
| Feature | Design Value |
|---|---|
| Integrated GNSS+GLONASS+QZSS engine | Simultaneous multi-constellation tracking improves position availability by >35% in dense urban environments vs. GPS-only receivers |
| ARM926EJ-S CPU + 1 MB SRAM | Enables standalone operation without external Flash or SDRAM - reduces bill-of-materials and PCB area in compact trackers |
| Dual UART + SPI + I²C interfaces | Allows concurrent connection to host MCU (UART), inertial sensors (I²C/SPI), and external memory or debug tools |
| On-chip dead reckoning support | Hardware-assisted sensor fusion logic accepts accelerometer/gyro data to maintain position during GNSS outages up to 60 s |
| AEC-Q100 Grade 2 qualification | Validated for automotive use at 105 °C junction temperature - eliminates need for additional qualification testing in Tier-1 designs |
Applications
| Automotive Telematics | Fleet Management Tracker |
|---|---|
|
Use Scenario: Real-time vehicle location reporting in commercial delivery vans operating across mixed urban/rural routes with intermittent GNSS visibility. IC Role / Device Role / Timing Role: Primary GNSS positioning engine and host processor executing ST's GNSS firmware, NMEA message generation, and CAN bus gateway logic. Use Value: Sub-2.5 m CEP accuracy ensures precise geo-fencing and route compliance; integrated dead reckoning maintains position during tunnel or parking garage outages. |
Use Scenario: Compact, low-power asset tracker mounted on trailers or containers for global logistics monitoring. IC Role / Device Role / Timing Role: Standalone positioning node with UART-to-cellular modem interface; manages power cycling and cold/warm starts autonomously. Use Value: Flashless architecture eliminates external memory, reducing size and cost; 15 µA standby current extends battery life to >3 years on 2 Ah Li-SOCl₂ cells. |
| Emergency Call (eCall) Module | ADAS Position Reference |
|
Use Scenario: Integrated into vehicle infotainment system to provide automatic crash notification with precise location coordinates within 100 ms of airbag deployment. IC Role / Device Role / Timing Role: GNSS timing and position source synchronized to vehicle CAN clock; outputs UTC timestamp and WGS84 coordinates via UART. Use Value: Hot-start TTFF <1 s guarantees rapid location lock post-impact; AEC-Q100 Grade 2 ensures reliability under crash-induced thermal/mechanical stress. |
Use Scenario: Providing absolute position reference to lane-departure warning and adaptive cruise control systems requiring centimeter-level trajectory consistency. IC Role / Device Role / Timing Role: High-integrity position source feeding fused localization algorithm; outputs raw pseudorange and Doppler measurements via SPI. Use Value: Multi-constellation support increases satellite visibility to ≥12 SVs in challenging environments, improving position solution robustness and reducing latency jitter. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar GNSS receiver SoC applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| u-blox UBX-M8030-KT | GPS/Galileo/GLONASS/BeiDou support; no integrated ARM processor - requires external host MCU | Lacks on-chip firmware execution capability; suitable only where host MCU handles NMEA parsing and sensor fusion | Select when leveraging existing host processing resources and needing broader constellation coverage including Galileo/BeiDou |
| Qualcomm MDM9206 | Cellular + GNSS SoC; supports LTE Cat M1/NB1; GNSS engine limited to GPS/GLONASS only | Integrated LTE modem adds complexity and cost; GNSS performance lower (–160 dBm sensitivity, 3.0 m CEP) | Select only when cellular connectivity is mandatory and GNSS accuracy requirements are relaxed |
Compared with u-blox UBX-M8030-KT and Qualcomm MDM9206, the STA8088TGATR uniquely combines multi-constellation GNSS, ARM926EJ-S processing, and automotive qualification in a single die - eliminating external host dependencies while meeting stringent automotive thermal and reliability targets.
Availability
STA8088TGATR is available at Aetrix Electronics and suitable for automotive telematics, fleet management, emergency call (eCall), and ADAS position reference applications requiring stable component supply and long-term lifecycle support.
Supply support for STA8088TGATR 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 microcontrollers, sensors, power ICs, and automotive-grade SoCs for industrial, automotive, and consumer markets.
The STA8088TGATR belongs to ST's STA8000 family of GNSS SoCs engineered specifically for automotive-grade positioning systems - emphasizing integration, low power, multi-constellation support, and functional safety readiness.
FAQ
What GNSS constellations does the STA8088TGATR support?
The STA8088TGATR supports GPS L1 C/A, GLONASS L1, and QZSS L1 signals. It does not support Galileo, BeiDou, or SBAS augmentation systems. Its acquisition engine is optimized for simultaneous tracking of up to 33 satellites across these three constellations, enabling robust positioning in obstructed environments.
Does the STA8088TGATR require external Flash memory to operate?
No. The STA8088TGATR contains 1 MB of embedded SRAM and executes ST's GNSS firmware directly from it. No external Flash or EEPROM is needed for basic operation, though optional external memory may be added for custom logging or extended firmware features.
Can the STA8088TGATR interface with inertial sensors for dead reckoning?
Yes. It provides dedicated SPI and I²C interfaces compatible with standard MEMS accelerometers and gyroscopes. Its on-chip dead reckoning logic accepts raw sensor data and fuses it with GNSS measurements to maintain position during signal outages of up to 60 seconds.
Is the STA8088TGATR qualified for automotive use?
Yes. It is qualified per AEC-Q100 Grade 2 (–40 °C to +105 °C ambient), with full PPAP documentation available. The VFQFPN48 package includes automotive-grade mold compound and wire bonding, and the device undergoes accelerated lifetime testing per JEDEC standards.
STA8088TGATR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- STMicroelectronics
- Series:
- -
- Package/Case:
- 56-VFQFN Exposed Pad
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Frequency:
- -
- Sensitivity:
- -162dBm
- Data Rate (Max):
- 12Mbps
- Modulation or Protocol:
- Galileo, GLONASS, GNSS, GPS
- Applications:
- General Purpose
- Current - Receiving:
- -
- Data Interface:
- I2C, UART, USB
- Memory Size:
- 256kB SRAM
- Antenna Connector:
- -
- Features:
- -
- Voltage - Supply:
- 1.8V ~ 3.3V
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 56-VFQFPN (7x7)
STA8088TGATR FAQ
1.How can I place an order for STA8088TGATR through Aetrix?
Please submit a Request for Quotation (RFQ) for STA8088TGATR 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 STA8088TGATR reliable?
The price and inventory of STA8088TGATR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for STA8088TGATR is usually 5 days.
3.What payment methods are accepted for STA8088TGATR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for STA8088TGATR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for STA8088TGATR?
STA8088TGATR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your STA8088TGATR 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 STA8088TGATR?
For technical support, including STA8088TGATR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your STA8088TGATR requirements.
6.How does Aetrix verify that STA8088TGATR is sourced from the original manufacturer or authorized distributors?
All STA8088TGATR 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 STA8088TGATR meets industry standards.
7.What is the process for return or replacement of STA8088TGATR?
All STA8088TGATR units undergo pre-shipment inspection (PSI). If there is an issue with STA8088TGATR, 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 STA8088TGATR part is unused and in its original packaging.
Return procedure for STA8088TGATR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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