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TJA1054 Datasheet

Fault-tolerant CAN transceiver

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TJA1054 pdf
INTEGRATED CIRCUITS
DATA SHEET
TJA1054
Fault-tolerant CAN transceiver
Preliminary specification
File under Integrated Circuits, IC18
1999 Feb 11


NXP Semiconductors Electronic Components Datasheet

TJA1054 Datasheet

Fault-tolerant CAN transceiver

No Preview Available !

TJA1054 pdf
Philips Semiconductors
Fault-tolerant CAN transceiver
Preliminary specification
TJA1054
FEATURES
Optimized for in-car low-speed communication
Baud rate up to 125 kBaud
Up to 32 nodes can be connected
Supports unshielded bus wires
Very low Radio Frequency Interference (RFI) due to
built-in slope control function and a very good matching
of the CANL and CANH bus outputs
Fully integrated receiver filters
Permanent dominant monitoring of transmit data input
Good immunity performance of ElectroMagnetic
Compatibility (EMC) in normal operating mode and in
low power modes.
Bus failure management
Supports single-wire transmission modes with ground
offset voltages up to 1.5 V
Automatic switching to single-wire mode in the event of
bus failures, even when the CANH bus wire is
short-circuited to VCC
Automatic reset to differential mode if bus failure is
removed
Fully wake-up capability during failure modes.
GENERAL DESCRIPTION
The TJA1054 is the interface between the protocol
controller and the physical wires of the bus lines in a
Control Area Network (CAN). It is primarily intended for
low-speed applications, up to 125 kBaud, in passenger
cars. The device provides differential transmit capability
but will switch in error conditions to single-wire transmitter
and/or receiver.
The TJA1054T is pin and upwards compatible with the
PCA82C252T and the TJA1053T. This means that these
two devices can be replaced by the TJA1054T with
retention of all functions.
The most important improvements are:
Very low RFI due to a very good matching of the CANL
and CANH bus lines outputs
Good immunity performance of EMC, especially in low
power modes
Fully wake-up capability during failure modes
Extended bus failure management including
short-circuit of the CANH bus line to VCC
Supports easy fault localization
Two-edge sensitive wake-up input signal via pin WAKE.
Protection
Short-circuit proof to battery and ground in
12 V powered systems
Thermally protected
Bus lines protected against transients in an automotive
environment
An unpowered node does not disturb the bus lines.
Support for low power modes
Low current sleep and standby mode with wake-up via
the bus lines
Power-on reset flag on the output.
ORDERING INFORMATION
TYPE
NUMBER
TJA1054T
NAME
SO14
PACKAGE
DESCRIPTION
plastic small outline package; 14 leads; body width 3.9 mm
VERSION
SOT108-1
1999 Feb 11
2


Part Number TJA1054
Description Fault-tolerant CAN transceiver
Maker NXP
Total Page 20 Pages
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