DP83TC817S-Q1

The DP83TC817S-Q1 is a high-performance Ethernet transceiver designed for automotive applications, manufactured by Texas Instruments. It supports 10BASE-T1L and 100BASE-T1 standards, enabling robust communication over single-pair copper cables in electric and hybrid vehicle systems. The device operates within an extended temperature range of -40°C to +125°C, making it suitable for harsh automotive environments. This transceiver features low power consumption, with typical standby current under 100 µA and active mode current below 20 mA, ensuring efficient operation in battery-powered systems. It includes integrated diagnostics such as link status monitoring, cable length detection, and fault reporting, which enhance system reliability and simplify troubleshooting. Additionally, the DP83TC817S-Q1 supports IEEE 802.3bw (100BASE-T1) and IEEE 802.3bp (10BASE-T1L) protocols, allowing flexible network configurations across various vehicle subsystems. The chip incorporates advanced electrostatic discharge (ESD) protection up to ±8 kV HBM, meeting automotive qualification requirements (AEC-Q100 Grade 1). Its compact WQFN-32 package facilitates easy integration into space-constrained designs. The transceiver also offers built-in signal conditioning, including adaptive equalization and jitter tolerance, to maintain signal integrity over long cable runs—up to 30 meters for 100BASE-T1 and up to 1000 meters for 10BASE-T1L. Designed for use in advanced driver-assistance systems (ADAS), infotainment units, telematics, and vehicle networking, the DP83TC817S-Q1 enables seamless data exchange between ECUs and sensors. It supports full-duplex communication and integrates a programmable wake-up feature for energy-efficient operation. The device also includes hardware-based auto-negotiation capabilities, simplifying configuration and reducing software overhead. With its robust design, wide operating temperature range, and compliance with automotive safety and reliability standards, the DP83TC817S-Q1 serves as a critical component in modern vehicle communication architectures. It ensures reliable, low-latency data transmission while supporting scalable network topologies essential for next-generation automotive electronics.