The TJA1059 is a dual high-speed CAN transceiver that provides an interface between a
Controller Area Network (CAN) protocol controller and the physical two-wire CAN-bus.
The transceiver is designed for high-speed CAN applications in the automotive and truck
industries. It provides differential transmit and receive capabilities to (a microcontroller
with) a CAN protocol controller.
The TJA1059 belongs to the third generation of high-speed CAN transceivers from NXP®
Semiconductors, offering significant improvements over first- and second-generation
devices such as the TJA1040. It offers improved Electro Magnetic Compatibility (EMC)
and ElectroStatic Discharge (ESD) performance, and also features:
- Ideal passive behavior to the CAN-bus when the supply voltage is off
- A very low-current Standby mode with bus wake-up capability on both channels
- Can be interfaced directly to microcontrollers with supply voltages from 3 V to 5 V
- Complies with global OEM requirements, allowing a one-fits-all approach
The TJA1059 implements the CAN physical layer as defined in the current ISO11898
standard (ISO11898-2:2003, ISO11898-5:2007). Pending the release of the updated
version of ISO11898-2 including CAN FD, additional timing parameters defining loop
delay symmetry are specified. This implementation enables reliable communication in the
CAN FD fast phase at data rates up to 2 Mbit/s.
These features make the TJA1059 an excellent choice for all types of HS-CAN networks
containing more than one HS-CAN interface requiring a low-power mode with wake-up
capability via the CAN-bus, especially for Body Control and Gateway units.