The STA8135GA from STMicroelectronics is a Multi-frequency, Multi-constellation GNSS Receiver IC for automotive applications. It has 80 tracking channels and 4 fast acquisition channels with a notch filter for anti-jamming. The receiver supports GPS, Galileo, Glonass, BeiDou, NAVIC (former IRNSS), and QZSS, in L1, L2, L5, and E6 frequency bands. It provides the precise raw measurements of all the visible GNSS satellites to the main host via the serial interface. The IC also provides an autonomous precision positioning calculation to the main host using all the satellites constellations.
The chip is compliant with ST Automotive Grade qualification which adds to AEC-Q100 requirements with a set of production flow methodologies targeting zero-defect per million.
The receiver has an ARM® Cortex® M7 core with a clock frequency of 314 MHz, a nested vector interrupt controller, and JTAG debugging capability. It is manufactured using CMOS technology and embeds separated LDOs to supply, the analog parts, the digital core, and the IO ring of the device facilitating requirements to an external power supply. It has a 32-channel DMA with three UARTs, Synchronous serial port (SPI supported), I2C, two multimode serial interfaces, ad two CAN interfaces. The chip uses USB2.0 that has a max speed of 12 Mb/s with an integrated physical layer transceiver and Secure-Digital Multimedia Memory Card interfaces (SDMMC). The power management unit of this IC has a separate power supply domain and on-chip LDO and high voltage/low voltage monitors. It requires a DC supply from 1.7 to 3.6 V.
The STA8135GA is available in a TFBGA package that measures 11 x 7 mm and is an ideal solution for in-dash navigation, smart antenna, car to car, V2X, OEM telematics, marine, drone, lawnmower, and many other applications requiring a precise position.
