The TJA1101 is a high-performance, single-port 100BASE-T1 compliant Ethernet PHY specifically designed for automotive applications such as gateways, IP camera links, and driver assistance systems. It supports 100 Mbit/s transmit and receive capability over a single unshielded twisted-pair (UTP) cable up to 15 meters. The device is ISO 26262 ASIL-A compliant and optimized for low power consumption, robustness, and minimal system cost by eliminating the need for external filtering or ESD protection components in the MDI path. It supports MII and RMII interfaces and features advanced diagnostic capabilities including real-time signal quality indication.
| RoHS |
Compliant |
| REACH |
Compliant |
| Protocol |
Ethernet 100BASE-T1 |
| Data Rate |
100Mbps |
| Lead Free |
Yes |
| Halogen Free |
Yes |
| Qualification |
AEC-Q100 Grade 1 |
| Interface Type |
MII, RMII |
| Functional Safety |
ISO 26262 ASIL-A |
| Package Dimensions |
6 x 6mm |
| Supply Voltage - Max |
3.3V |
| Number of Transceivers |
1 |
| Operating Temperature Max |
125°C |
| Operating Temperature Min |
-40°C |
| Supply Voltage - Digital Core |
1.8V |