TJA1145A datasheet(2/57 Pages) NXP

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TJA1145A

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Product data sheet

Rev. 2 — 23 September 2020

2 of 57

NXP Semiconductors

TJA1145A

High-speed CAN transceiver for partial networking



Hardware and software compatible with the TJA1145, with improved EMC

performance

2.2 Designed for automotive applications



8 kV ElectroStatic Discharge (ESD) protection, according to the Human Body Model

(HBM) on the CAN bus pins



6 kV ESD protection, according to IEC TS 62228 on pins BAT and WAKE and on the

CAN bus pins



CAN bus pins short-circuit proof to

58 V



Battery and CAN bus pins protected against transients according to ISO 7637-3, test

pulses 1, 2a, 3a and 3b.



Suitable for use in 12 V and 24 V systems



Available in SO14 and leadless HVSON14 package (3 mm

 4.5 mm) with improved

Automated Optical Inspection (AOI) capability



AEC-Q100 qualified



Dark green product (halogen free and Restriction of Hazardous Substances (RoHS)

compliant)

2.3 Advanced ECU power management system



Very low-current Standby and Sleep modes, with full wake-up capability



Entire node can be powered down via the inhibit output



Remote wake-up capability via standard CAN wake-up pattern or via

ISO 11898-2:2016 compliant selective wake-up frame detection



Local wake-up via the WAKE pin



Wake-up source recognition



Bit rates of 50 kbit/s, 100 kbit/s, 125 kbit/s, 250 kbit/s, 500 kbit/s and 1 Mbit/s

supported during selective wake-up'



Local wake-up can be disabled to reduce current consumption



Transceiver disengages from the bus when the battery supply is removed



VIO input allows for direct interfacing with 3.3 V to 5 V microcontrollers

2.4 Protection and diagnosis



16-, 24- or 32-bit SPI for configuration, control and diagnosis



Transmit Data (TXD) dominant time-out function with diagnosis



Overtemperature warning and shut-down



Undervoltage detection and recovery on pins VCC, VIO and BAT



Cold start diagnosis (via bits PO and NMS)



Advanced system and transceiver interrupt handling

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