The I/O Expander / GPIO Extender is a critical component in modern automotive electronics, designed to expand the input/output capabilities of microcontrollers and processors. It enables efficient communication between different vehicle systems by providing additional general-purpose input/output (GPIO) pins, allowing for greater flexibility in connecting sensors, actuators, and other peripheral devices.
This device plays a key role in zonal and domain controller architectures, where it helps manage signals from various parts of the vehicle. By acting as an interface between the main control unit and peripheral components, the I/O Expander enhances system scalability and simplifies wiring complexity.
In connectivity and telematics applications, the I/O Expander supports data exchange between the vehicle and external networks, enabling features such as remote diagnostics, over-the-air updates, and real-time monitoring. Its integration into automotive systems ensures reliable signal handling and improved performance under varying environmental conditions.
Common applications include dashboard controls, infotainment systems, driver assistance technologies, and vehicle security modules. The I/O Expander is essential for achieving modular design, reducing the number of required microcontroller pins, and improving overall system efficiency.
Designed for high reliability and durability, this component meets automotive-grade standards, ensuring long-term performance in demanding environments. It supports multiple communication protocols, making it compatible with a wide range of automotive platforms. With its advanced functionality, the I/O Expander / GPIO Extender is a vital element in the development of next-generation vehicle systems.
Series Name | Description | Manufacturer Name | Attribute Description |
---|---|---|---|
Texas Instruments | 10/100/1000BASE-T1 automotive Ethernet PHY, -40°C to 125°C, supports IEEE 802.3ch, integrated RGMII, low EMI, functional safety compliant, up to 100m cable reach, single-pair Ethernet. | ||
Texas Instruments | 10-bit, 1.8V to 5.5V, I2C, 400kHz, low-power, automotive-grade I/O expander with interrupt, 24mA drive strength, -40°C to 125°C operating temperature. | ||
Texas Instruments | 10-bit I2C GPIO expander, 1.65V to 5.5V supply, 400kHz I2C interface, low-power CMOS technology, operating temperature: -40°C to +125°C, 16-pin VQFN package, interrupt output, configurable I/Os. | ||
Texas Instruments | 8-bit I2C GPIO expander, 1.65V to 5.5V supply, up to 400kHz I2C speed, interrupt output, low standby current, supports hot insertion, 0.5µA max shutdown current. | ||
Texas Instruments | 16-bit I2C GPIO expander, 1.8-V to 5.5-V supply, 400-kHz I2C interface, low standby current, interrupt output, reset pin, 24-pin QFN package, supports up to 8 slave addresses. | ||
Texas Instruments | 16-bit I2C I/O expander, 2.3V to 5.5V supply, open-drain interrupt output, supports up to 400kHz I2C bus, low standby current, 24-pin SSOP package. | ||
Texas Instruments | 24-bit I2C I/O expander, 1.8V to 5.5V supply, 400kHz I2C interface, low standby current, configurable interrupt and reset, open-drain I2C bus drivers. | ||
Texas Instruments | 3.3V to 5.5V supply, 250Mbps data rate, 4-channel digital isolator with 3000VRMS isolation, 100kV/µs CMTI, -40°C to 125°C, SOIC-16 package, suitable for automotive applications. | ||
Texas Instruments | 8-channel analog multiplexer/demultiplexer, 4.5V to 16.5V supply, low on-resistance, ESD protection, automotive grade, -40°C to 125°C operating temperature, TSSOP-16 package. | ||
Texas Instruments | Dual-channel analog switch, 1.65V to 5.5V supply, low on-resistance (5Ω typical), fast switching speed (t<10ns), low power consumption, ESD protection, operates from -40°C to +125°C. |