STMicroelectronics STA8089FGAD

Overview

STA8089FGAD 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 embedded ARM946 MCU (196 MHz), 256 KB SRAM, and 16 Mbit in-package SQI Flash. It enables high-accuracy dead reckoning via ST-DRAW firmware in telematics and in-dash navigation systems.

For engineers reviewing the STA8089FGAD datasheet, STA8089FGAD pinout, STA8089FGAD application, or STA8089FGAD equivalent, key selection criteria include multi-constellation RF front-end performance, integrated CAN/USB/I²C/UART peripherals, backup RTC operation under VINB (1.6–4.3 V), and VFQFPN56 package compatibility with STA8088FG.

Technical Context

The STA8089FGAD integrates a dedicated G3BB+ baseband processor handling simultaneous multi-constellation correlation across GPS, Galileo, GLONASS, BeiDou, and QZSS signals using 48 parallel tracking channels and two dedicated fast-acquisition engines. Its RF front-end employs a high-linearity LNA and dual-path VGA with automatic gain control driven by 3-bit IF ADC outputs (SIGN/MAG0/MAG1).

It features an ARM946E-S core with 16 KB I-Cache, 8 KB D-Cache, and switchable 7×16 KB TCM, coupled to APB peripherals including dual CAN 2.0B controllers, USB 2.0 full-speed PHY, three UARTs, one I²C master, one SSP (SPI-compatible), and a 10-bit dual-channel SAR ADC - all operating under independent voltage domains (VDD=1.1–1.32 V, VddIO=1.8 V±5% or 3.3 V±10%).

Key Specifications

Pinout & Package

STA8089FGAD is housed in a VFQFPN56 (7 × 7 × 1.0 mm, 0.4 mm pitch) thermally enhanced package with exposed pad for improved heat dissipation in automotive environments.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar GNSS receiver applications.

Compared with STA8088FG, STA8089FGAD adds dead reckoning and 2 dB better sensitivity but shares identical layout; versus u-blox M8030-KT, it trades external processing dependency for higher integration and automotive qualification - making it optimal for OEM-grade standalone positioning.

Availability

STA8089FGAD is available at Aetrix Electronics and suitable for automotive telematics, in-dash navigation, fleet tracking, and usage-based insurance (UBI) systems requiring stable component supply, long-term lifecycle assurance, and AEC-Q100-compliant sourcing.

Supply support for STA8089FGAD 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.

STA8089FGAD belongs to the Teseo III GNSS product line, engineered specifically for automotive-grade positioning with integrated RF, MCU, memory, and dead reckoning - targeting zero-defect field reliability in safety-critical navigation applications.

FAQ

What GNSS constellations does STA8089FGAD support?

STA8089FGAD natively supports GPS, Galileo, GLONASS, BeiDou, and QZSS across all operational modes. Its G3BB+ baseband processor performs concurrent acquisition and tracking on all five systems using shared correlator resources, enabling faster time-to-first-fix and improved accuracy in obstructed environments like urban canyons.

Does STA8089FGAD require external Flash memory?

No. STA8089FGAD integrates 16 Mbit SQI Flash directly within the VFQFPN56 package, storing GNSS firmware, almanac, ephemeris data, and application code. This eliminates external memory components and associated PCB routing, reducing system cost and improving security against firmware tampering.

How does ST-DRAW functionality work on STA8089FGAD?

ST-DRAW (Dead Reckoning Automotive Way) fuses GNSS position fixes with vehicle dynamics signals (wheel speed, steering angle, IMU) using the embedded ARM946 MCU. When GNSS signals are lost - such as in tunnels or underground parking - it extrapolates position with ≤15 m error over 2 minutes using calibrated motion models stored in on-chip Flash.

What are the voltage domain requirements for STA8089FGAD?

STA8089FGAD requires four distinct supply domains: VINL1/VINL2 (1.8 V ±5%) for LDO inputs; VCC_RF/VCC_PLL/VCC_CHAIN (1.2 V ±10%) for RF analog blocks; VDDIO_R1/R2 (1.8 V ±5% or 3.3 V ±10%) for I/O rings; and VINB (1.6–4.3 V) for RTC and backup logic. Each domain must be independently decoupled per datasheet layout guidelines.