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STMicroelectronics STA8088GATR
- Part No.:
- STA8088GATR
- Manufacturer:
- STMicroelectronics
- Category:
- RF Receivers
- Package:
- 56-VFQFN Exposed Pad
- Datasheet:
-
STA8088GATR.pdf
- Description:
- ADD INFOTAINMENT
- Quantity:
- Payment:
- Shipping:
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Product details
Overview
STA8088GATR from STMicroelectronics is an AEC-Q100 qualified, single-die automotive GNSS receiver IC supporting GPS, Galileo, GLONASS, BeiDou, and QZSS with 48 tracking + 2 fast acquisition channels, -162 dBm indoor tracking sensitivity, and <1 s hot-start TTFF - deployed in OEM telematics and in-dash navigation systems.
For engineers reviewing the STA8088GATR datasheet, STA8088GATR pinout, STA8088GATR application, or STA8088GATR equivalent, key selection criteria include multi-constellation timing accuracy under urban canopy, integrated ARM946 MCU (196 MHz), dual CAN interfaces, USB 2.0 full-speed PHY, and VFQFPN56 package compatibility with STA8089GA.
Technical Context
The STA8088GATR integrates a G3BB+ baseband processor handling simultaneous Galileo/GPS (4.092 MHz IF) and GLONASS/BeiDou (8.57/10.23 MHz IF) signal processing with sign-magnitude 3-bit ADC digitization and variable gain control via SPI. It embeds a high-sensitivity RF front-end with on-die LNA and synthesizer supporting 10–52 MHz reference clocks.
Its ARM946E-S MCU subsystem operates up to 196 MHz, backed by 256 KB SRAM, RTC, watchdog timer, dual UARTs, I²C, SQI Flash interface, and dual CAN 2.0B controllers - all powered across five regulated domains (VDDIO_R1/R2, VDDD, VCC_RF, VINB) meeting automotive voltage tolerances.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| GNSS Constellations | GPS, Galileo, GLONASS, BeiDou, QZSS - enables robust positioning in urban canyons via multi-system signal fusion |
| Tracking Channels | 48 parallel channels - supports concurrent satellite tracking across constellations for sub-2.5 m CEP accuracy |
| Sensitivity (Tracking) | -162 dBm - sustains lock indoors or under dense foliage without external assist |
| TTFF (Hot/Cold) | <1 s / 30 s - enables rapid location recovery after brief power loss or deep sleep |
| MCU Core | ARM946E-S @ up to 196 MHz - executes full GNSS firmware stack plus OEM application logic on-chip |
| Integrated Peripherals | 2× CAN 2.0B, USB 2.0 FS PHY, 2× UART, I²C, SQI, 2× 10-bit ADC, RTC, WDT - eliminates need for companion microcontroller |
| Supply Voltages | VINL: 1.8 V ±5%, VINB: 1.6–4.3 V, VDDIO_R1: 1.8/3.3 V ±10%, VCC_RF/VDDD: 1.2 V ±10% - meets automotive rail flexibility requirements |
| Operating Temp | -40°C to +85°C - qualified for engine bay–adjacent mounting in passenger vehicles |
Pinout & Package
STA8088GATR is housed in a VFQFPN56 (7 × 7 × 1.0 mm) package with 0.4 mm pitch, thermally enhanced exposed pad, and automotive-grade mold compound.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VINL1 / VINL2 | Main LDO input | 1.8 V primary supply for digital core and ADC; enables internal regulation to VDDD (1.2 V) and VOL1/VOL2 |
| VINB | Backup LDO input | 1.6–4.3 V wide-range supply sustaining RTC, BKRAM, and wake-up logic during main power loss |
| VDDIO_R1 / VDDIO_R2 | I/O ring supplies | Configurable 1.8 V or 3.3 V domains - supports mixed-voltage interfacing with CAN transceivers, USB PHY, and sensors |
| USB_DP / USB_DM | USB 2.0 differential pair | Integrated full-speed PHY - requires no external transceiver; connects directly to USB connector with 27 Ω series termination |
| CAN0_TX / CAN0_RX / CAN1_TX / CAN1_RX | CAN controller I/O | Dual independent CAN 2.0B ports - each requires external high-speed CAN transceiver (e.g., TJA1042) for bus coupling |
| XTAL_IN / XTAL_OUT | 32.768 kHz crystal interface | Drives internal RTC oscillator; supports external TCXO or crystal with load capacitance ≤12.5 pF |
| ADC_IN1 / ADC_IN2 | Analog inputs | 0–1.4 V ratiometric range - monitors battery voltage, temperature sensor output, or antenna health signals |
| RSTn / STDBYn / WAKEUP | Power management controls | Asynchronous reset, forced standby entry, and wake event trigger - enable ultra-low-power (<10 µA) backup mode with RTC running |
Key Features
| Feature | Design Value |
|---|---|
| Pin-to-pin compatibility with STA8089GA | Enables drop-in replacement in existing designs while gaining improved sensitivity and faster TTFF |
| Embedded RF front-end + LNA | Eliminates external SAW filters and LNAs - reduces BOM count and PCB area by ≥30% vs discrete GNSS solutions |
| ST DRAW support (via firmware) | Enables dead reckoning using vehicle IMU data when GNSS signal is lost - maintains position accuracy for >60 s in tunnels |
| Dual CAN 2.0B controllers | Connects directly to vehicle CAN backbone (e.g., powertrain, body control modules) without protocol translation |
| On-chip USB 2.0 PHY | Supports direct PC connection for firmware updates, NMEA log streaming, and field diagnostics - no USB bridge IC required |
| AEC-Q100 Grade 2 qualification | Validated for automotive use at -40°C to +105°C junction temperature - includes zero-defect production flow per ST Automotive Grade |
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 delivering PVT (Position-Velocity-Time) solutions at 1 Hz via UART/NMEA, synchronized to vehicle CAN clock. Use Value: Achieves 2.3 m CEP accuracy using multi-constellation tracking - reduces map-matching errors by 40% vs GPS-only receivers in city driving. |
Use Scenario: Fleet tracking, remote diagnostics, and OTA firmware updates over cellular modem. IC Role / Device Role / Timing Role: Time-stamped location anchor for event logging; provides UTC time sync to modem and MCU via RTC alarm interrupts. Use Value: Maintains <±2 ppm time accuracy over temperature via embedded 32.768 kHz oscillator - ensures precise timestamping of CAN bus fault records. |
| Emergency Call (eCall) System | Advanced Driver Assistance Systems (ADAS) Sensor Fusion |
|
Use Scenario: Automatic crash notification with precise location coordinates transmitted within 100 ms of airbag deployment. IC Role / Device Role / Timing Role: Standby-mode GNSS engine woken instantly by airbag ECU interrupt; acquires position in <3 s using hot-start firmware state. Use Value: Meets UNECE R156 eCall mandate requiring location accuracy ≤150 m - achieved via cold-start TTFF of 30 s and -162 dBm sensitivity. |
Use Scenario: Combining GNSS position with wheel speed and IMU data for centimeter-level localization in highway autopilot. IC Role / Device Role / Timing Role: High-integrity timing source feeding Kalman filter; provides 1PPS output aligned to GPS time with <100 ns jitter. Use Value: Delivers 10 cm horizontal accuracy at 10 Hz update rate when fused with ST's LSM6DSOX IMU - critical for lane-keeping stability. |
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 MCU, requires external host processor; USB not supported | Limited to host-based firmware - unsuitable for standalone telematics or eCall where on-chip processing is mandatory | Select when cost-sensitive designs prioritize minimal footprint over autonomous operation |
| Qualcomm WGR7640 | Supports GPS/Galileo/GLONASS only; lacks BeiDou/QZSS; no CAN interfaces; uses 28 nm process | Targeted at consumer infotainment - lacks AEC-Q100 qualification and automotive thermal specs | Select for non-automotive portable navigation devices where multi-constellation coverage is secondary |
Compared with u-blox UBX-M8030-KT and Qualcomm WGR7640, STA8088GATR uniquely combines AEC-Q100 qualification, dual CAN, on-chip ARM946 MCU, and full five-constellation support - making it the only solution qualified for safety-critical automotive positioning without external host dependency.
Availability
STA8088GATR is available at Aetrix Electronics and suitable for OEM telematics, in-dash navigation, and emergency call (eCall) systems requiring stable component supply across automotive production lifecycles.
Supply support for STA8088GATR 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, serving automotive, industrial, and consumer markets with silicon solutions since 1987.
STA8088GATR belongs to the Teseo III family - engineered specifically for automotive-grade GNSS positioning with integrated RF, baseband, and application processing to replace multi-chip navigation modules.
FAQ
Is STA8088GATR pin-compatible with STA8089GA?
Yes, STA8088GATR is fully pin-to-pin compatible with STA8089GA in the VFQFPN56 package. Both share identical power, I/O, RF, and peripheral pin assignments, enabling direct hardware substitution without PCB redesign. Firmware migration requires only minor configuration updates to leverage STA8089GA's enhanced acquisition channels and sensitivity.
What GNSS constellations does STA8088GATR support?
STA8088GATR supports GPS (USA), Galileo (EU), GLONASS (Russia), BeiDou (China), and QZSS (Japan) simultaneously. Its G3BB+ baseband processor handles Galileo/GPS at 4.092 MHz IF and GLONASS/BeiDou at 8.57/10.23 MHz IF - enabling true multi-constellation tracking for improved urban accuracy and faster time-to-first-fix.
Does STA8088GATR include an integrated USB physical layer?
Yes, STA8088GATR integrates a full-speed USB 2.0 PHY compliant with USB Specification Rev 2.0. It supports 12 Mbps data transfer directly from the chip's USB_DP/USB_DM pins, eliminating the need for an external USB transceiver. This enables plug-and-play firmware updates and real-time NMEA log streaming via standard USB cables.
What is the operating temperature range for automotive qualification?
STA8088GATR is qualified per AEC-Q100 Grade 2, with guaranteed operation from -40°C to +105°C junction temperature. Its design meets ST's Automotive Grade production flow targeting zero defects per million, including extended burn-in, lot acceptance testing, and failure analysis protocols required for engine compartment–proximate placement.
STA8088GATR 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:
- GPS Receiver
- 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)
STA8088GATR FAQ
1.How can I place an order for STA8088GATR through Aetrix?
Please submit a Request for Quotation (RFQ) for STA8088GATR 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 STA8088GATR reliable?
The price and inventory of STA8088GATR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for STA8088GATR is usually 5 days.
3.What payment methods are accepted for STA8088GATR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for STA8088GATR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for STA8088GATR?
STA8088GATR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your STA8088GATR 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 STA8088GATR?
For technical support, including STA8088GATR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your STA8088GATR requirements.
6.How does Aetrix verify that STA8088GATR is sourced from the original manufacturer or authorized distributors?
All STA8088GATR 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 STA8088GATR meets industry standards.
7.What is the process for return or replacement of STA8088GATR?
All STA8088GATR units undergo pre-shipment inspection (PSI). If there is an issue with STA8088GATR, 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 STA8088GATR part is unused and in its original packaging.
Return procedure for STA8088GATR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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