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The J113,126 is a component within the NXP portfolio, specifically identified as part of the TJA1103 family. The TJA1103 is a third-generation Automotive Ethernet PHY transceiver designed for 100BASE-T1 applications. It complies with IEEE 802.3bw standards and ISO 26262 functional safety requirements at the ASIL B level. The device supports OPEN Alliance TC-1 advanced features and IEEE 1588v2/802.1AS time stamping. It operates on a single supply and is housed in an HVQFN36 package measuring 6 x 6 mm with wettable flanks. The silicon is designated for NDA customers.
Verify that the specific ordering code J113,126 corresponds to the TJA1103 silicon revision intended for your design. Access to documentation and software requires an active Non-Disclosure Agreement (NDA) with NXP. Confirm package availability and lead times directly through official NXP sales channels or authorized distributors, as this component is restricted to qualified partners.
Select this component when designing automotive networks requiring ASIL B compliance for 100 Mbps Ethernet links. Ensure the system architecture supports single-supply operation and utilizes the HVQFN36 footprint. Validate compatibility with existing platform designs against the drop-in compatible TJA1120 if higher data rates are considered for future iterations.
This part belongs to the TJA11xx series of Automotive Ethernet PHYs from NXP. It serves as a robust physical layer interface for connecting electronic control units (ECUs) in modern vehicles. The series emphasizes functional safety and diagnostic capabilities to meet stringent automotive industry standards for reliability and security in connected car environments.
The TJA1103 is drop-in compatible with the TJA1120. Designers may consider the TJA1120 if 1 Gbps data rate support is required while maintaining similar form factors and integration levels.