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STMicroelectronics STA8088GA
- Part No.:
- STA8088GA
- Manufacturer:
- STMicroelectronics
- Category:
- RF Receivers
- Package:
- 56-VFQFN Exposed Pad
- Datasheet:
-
STA8088GA.pdf
- Description:
- AUTOMOTIVE GRADE GPS/GALILEO/GLO
- Quantity:
- Payment:
- Shipping:
Inventory:2,568
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Product details
Overview
STA8088GA from STMicroelectronics is a pin-to-pin compatible automotive-grade GNSS receiver IC supporting GPS, Galileo, GLONASS, BeiDou, and QZSS constellations with 48 tracking + 2 fast acquisition channels. It integrates RF front-end, low-noise amplifier, ARM946 MCU (up to 196 MHz), 256 KB SRAM, USB 2.0 full-speed PHY, dual CAN, dual UART, I²C, SQI Flash interface, RTC, watchdog timer, and 10-bit dual-channel ADC. Designed for in-dash navigation and OEM telematics, it achieves -162 dBm indoor tracking sensitivity and <1 s hot-start TTFF.
For engineers reviewing the STA8088GA datasheet, STA8088GA pinout, STA8088GA application, or STA8088GA equivalent, key selection criteria include AEC-Q100 qualification, multi-constellation support, embedded MCU performance, RF supply voltage tolerance (VCC_RF = 1.2 V ±10%), and VFQFPN56 package compatibility with legacy Teseo III designs.
Technical Context
The STA8088GA implements a dual-path RF front-end with dedicated signal paths for GALGPS (1575.42 MHz → 4.092 MHz) and GNSCOM (GLONASS/BeiDou at 1601.718/1561.098 MHz → 8.57/10.23 MHz), each feeding a 3-bit sign-magnitude ADC. Its G3BB+ baseband processor performs simultaneous acquisition and tracking across up to four constellations, with GLONASS and BeiDou mutually exclusive in concurrent operation.
The integrated ARM946E-S core runs at up to 196 MHz with 16 KB I-cache, 8 KB D-cache, and switchable 7×16 KB TCM; peripherals include two CAN 2.0B controllers, USB 2.0 FS transceiver, SQI interface for external flash, and dual 10-bit SAR ADCs with 0–1.4 V input range. Power architecture features five independent LDOs (VINL1/VINL2/VINB inputs; VDDIO_R1/R2 configurable at 1.8 V or 3.3 V).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| GNSS Constellations | GPS, Galileo, GLONASS, BeiDou, QZSS - enables global positioning coverage and urban canyon resilience via multi-system signal fusion |
| Tracking Channels | 48 channels + 2 fast-acquisition channels - supports simultaneous satellite signal processing across multiple frequencies and constellations |
| RF Sensitivity | -162 dBm (tracking mode) - ensures reliable position lock indoors and under dense foliage or partial signal blockage |
| Time-to-First-Fix | <1 s (hot start), 30 s (cold start) - reduces user wait time and improves UX in automotive infotainment and telematics |
| MCU Core | ARM946E-S @ up to 196 MHz - provides real-time navigation computation, firmware execution, and peripheral control without external host |
| ADC Resolution | 10-bit SAR, dual channel, 0–1.4 V input range - supports analog sensor interfacing (e.g., temperature, IMU bias calibration) |
| Operating Temp | -40°C to +85°C - meets automotive cabin and under-hood environmental requirements per AEC-Q100 Grade 3 |
| Supply Voltages | VINL: 1.8 V ±5%, VINB: 1.6–4.3 V, VDDIO_R1/R2: 1.8 V ±5% or 3.3 V ±10%, VCC_RF: 1.2 V ±10% - enables flexible power system design with backup retention capability |
Pinout & Package
STA8088GA is housed in a VFQFPN56 (7 mm × 7 mm × 1.0 mm, 0.4 mm pitch) thermally enhanced package with exposed pad for improved heat dissipation in automotive environments.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VINL1 | Main digital supply input | 1.8 V ±5% input powering LDO1 and ADC subsystem; must be present within 200 µs after STDBYn deassertion |
| VINB | Backup supply input | 1.6–4.3 V input enabling RTC and BKRAM retention during main power loss |
| VCC_RF | RF analog supply | 1.2 V ±10% dedicated rail for LNA and RF chain - critical for noise floor and sensitivity stability |
| XTAL_IN / XTAL_OUT | Crystal oscillator interface | Supports 32.768 kHz crystal for RTC and optional high-frequency TCXO for RF clock generation |
| CAN0_TX / CAN0_RX CAN1_TX / CAN1_RX |
CAN 2.0B differential interfaces | Two isolated CAN buses compliant with ISO 11898-2; support vehicle network integration without external transceivers |
| USB_DP / USB_DM | USB 2.0 full-speed PHY | Integrated physical layer eliminates need for external USB transceiver; supports 12 Mbps data transfer |
| SQI_SIO0–SIO3 / SQI_CLK / SQI_CEN | SPI Quad I/O Flash interface | Enables direct connection to external SQI NOR flash for firmware storage and over-the-air updates |
| ADC_IN1 / ADC_IN2 | Analog sensor inputs | 10-bit SAR ADC channels with 0–1.4 V input range; used for temperature monitoring or IMU bias compensation |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q100 Grade 3 qualified | Validated for automotive use (-40°C to +85°C), zero-defect production flow, and long-term reliability in safety-critical systems |
| Multi-constellation GNSS engine | G3BB+ baseband supports concurrent GPS/Galileo + GLONASS or BeiDou - improves positional accuracy and availability in obstructed environments |
| Embedded ARM946E-S MCU | 196 MHz operation with cache and TCM enables standalone navigation stack execution without host processor dependency |
| Dual CAN 2.0B controllers | Direct integration into vehicle CAN networks for telematics data routing, OTA update coordination, and diagnostic communication |
| USB 2.0 full-speed PHY | On-chip transceiver eliminates external PHY component - reduces BOM count and PCB area in compact automotive modules |
| Backup domain with RTC | Independent VINB-powered circuitry maintains real-time clock and 32 KB backup RAM during main power interruption |
Applications
| Automotive In-Dash Navigation | OEM Telematics Control Unit (TCU) |
|---|---|
|
Use Scenario: Integrated navigation system in vehicle head unit with map rendering, route guidance, and traffic overlay. IC Role / Device Role / Timing Role: Primary GNSS positioning engine providing PVT (Position-Velocity-Time) solutions at 1 Hz update rate with sub-5 m CEP accuracy. Use Value: Delivers fast cold-start TTFF (<30 s) and robust urban canyon performance via multi-constellation tracking, reducing driver disorientation. |
Use Scenario: Cellular-connected vehicle module aggregating location, diagnostics, and event-triggered data for remote services. IC Role / Device Role / Timing Role: GNSS timing and position source synchronized with cellular modem; RTC provides accurate timestamping for crash/event logs. Use Value: Enables precise geofencing, emergency call (eCall) location reporting, and predictive maintenance alerts using fused GNSS + CAN data. |
| Commercial Fleet Tracking Device | ADAS Positioning Reference |
|
Use Scenario: Compact, sealed GPS tracker mounted in cargo van or delivery truck for real-time asset location and route compliance. IC Role / Device Role / Timing Role: Standalone positioning node interfacing with microcontroller via UART/SQI; operates continuously on battery-backed VINB supply. Use Value: Achieves -162 dBm indoor sensitivity and <1 s hot-start TTFF, ensuring rapid reacquisition after tunnel or garage entry. |
Use Scenario: High-integrity positioning reference for lane-level ADAS functions requiring centimeter-grade relative accuracy. IC Role / Device Role / Timing Role: GNSS front-end feeding raw measurements (pseudorange, carrier phase) to external RTK/PPP engine via UART or SQI. Use Value: Provides multi-constellation observables with low-jitter 1 PPS output (via GPIO1) for time-synchronized sensor fusion in autonomous driving stacks. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar GNSS receiver applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| STA8089GA | Pin-to-pin compatible successor with identical VFQFPN56 footprint; adds ST DRAW dead reckoning support (STA8089GAD variant only) and enhanced RF linearity | Same automotive navigation/telematics use cases; enables firmware upgrade path without hardware redesign | Select when migrating to newer Teseo III firmware stack or requiring dead reckoning capability |
| u-blox UBX-M8030-KT | 32-channel GPS/GLONASS/Galileo/QZSS; no integrated MCU; requires external host processor and flash memory | Targeted at host-based architectures where GNSS is one of many peripherals; lacks standalone navigation capability | Select when system already includes capable host MCU and minimal BOM cost is prioritized over integration |
Compared with STA8088GA, STA8089GA offers backward-compatible migration with enhanced RF performance and optional dead reckoning, while u-blox UBX-M8030-KT trades integration for flexibility in host-controlled systems - choice depends on whether standalone processing or modular peripheral integration is required.
Availability
STA8088GA is available at Aetrix Electronics and suitable for automotive in-dash navigation, OEM telematics control units, and commercial fleet tracking devices requiring stable component supply, AEC-Q100 compliance, and long-term lifecycle support.
Supply support for STA8088GA 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 ICs with vertical manufacturing and rigorous quality systems.
STA8088GA belongs to the Teseo III GNSS product line, designed specifically for automotive-grade positioning applications demanding high sensitivity, multi-constellation support, and functional safety-aware integration.
FAQ
Is STA8088GA pin-compatible with STA8089GA?
Yes, STA8088GA is fully pin-to-pin compatible with STA8089GA per STMicroelectronics documentation. Both share identical VFQFPN56 packaging, power pin mapping, and peripheral interface layout, enabling drop-in replacement and simplified design migration without PCB revision.
What GNSS constellations does STA8088GA support?
STA8088GA supports GPS, Galileo, GLONASS, BeiDou, and QZSS. Its G3BB+ baseband processor enables simultaneous tracking of signals from all five systems, with GLONASS and BeiDou operating in mutually exclusive modes when used concurrently with GPS/Galileo.
Does STA8088GA include an integrated microcontroller?
Yes, STA8088GA integrates an ARM946E-S MCU running at up to 196 MHz with 16 KB instruction cache, 8 KB data cache, and 256 KB embedded SRAM. This enables standalone execution of GNSS firmware, navigation algorithms, and peripheral control without external host processor dependency.
What is the minimum supply voltage for backup operation (VINB)?
The minimum VINB supply voltage is 1.6 V, supporting RTC and backup RAM retention during main power loss. VINB operates over a wide 1.6–4.3 V range, allowing direct connection to supercapacitors or coin-cell batteries without external regulation.
STA8088GA Specifications
- Product attributes
- Attribute value
- Manufacturer:
- STMicroelectronics
- Series:
- -
- Package/Case:
- 56-VFQFN Exposed Pad
- Packaging:
- Tray
- 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)
STA8088GA FAQ
1.How can I place an order for STA8088GA through Aetrix?
Please submit a Request for Quotation (RFQ) for STA8088GA 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 STA8088GA reliable?
The price and inventory of STA8088GA are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for STA8088GA is usually 5 days.
3.What payment methods are accepted for STA8088GA?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for STA8088GA transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for STA8088GA?
STA8088GA orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your STA8088GA 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 STA8088GA?
For technical support, including STA8088GA datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your STA8088GA requirements.
6.How does Aetrix verify that STA8088GA is sourced from the original manufacturer or authorized distributors?
All STA8088GA 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 STA8088GA meets industry standards.
7.What is the process for return or replacement of STA8088GA?
All STA8088GA units undergo pre-shipment inspection (PSI). If there is an issue with STA8088GA, 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 STA8088GA part is unused and in its original packaging.
Return procedure for STA8088GA:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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