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TJA1053 Datasheet

Fault-tolerant CAN transceiver

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INTEGRATED CIRCUITS
DATA SHEET
TJA1053
Fault-tolerant CAN transceiver
Preliminary specification
File under Integrated Circuits, IC18
1997 Oct 15


NXP Semiconductors Electronic Components Datasheet

TJA1053 Datasheet

Fault-tolerant CAN transceiver

No Preview Available !

Philips Semiconductors
Fault-tolerant CAN transceiver
Preliminary specification
TJA1053
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
Low RFI due to built-in slope control function
Fully integrated receiver filters
Permanent dominant monitoring of TXD.
Bus failure management
Supports one-wire transmission modes with ground
offset voltages up to 1.5 V
Automatic switching to single-wire mode in the event of
bus failure
Automatic reset to differential mode if bus failure is
removed.
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/standby mode with wake-up via the
bus lines
Power-on reset flag on the output.
GENERAL DESCRIPTION
The TJA1053 is the interface between the CAN protocol
controller and the physical bus. 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 a single-wire
transmitter and/or receiver. The TJA1053 is derived from
the PCA82C252.
1. It is better equipped for networks with more than
15 nodes
2. A timer has been integrated at the TXD input to
prevent a permanent dominant state
3. Reduced supply current in VCC standby mode
4. CANH output driver is disabled in the event that CANH
is short-circuited to battery failure mode.
QUICK REFERENCE DATA
SYMBOL
PARAMETER
CONDITIONS
VCC
VBAT
supply voltage
battery voltage
no time limit
operating
load dump
Isleep
sleep mode current
VCANH,VCANL CANH, CANL input voltage
VCC = 0 V; VBAT = 12 V
VCC = 0 to 5.5 V; VBAT 0 V;
no time limit
VCC = 0 to 5.5 V; VBAT 0 V;
t < 0.1 ms; load dump
VDROP(H)
VDROP(L)
tPD
tf
tr
Tamb
CANH transmitter drop voltage ICANH = 40 mA
CANL transmitter drop voltage ICANL = 40 mA
propagation delay
TXD to RXD
bus output fall time
90% to 10%
bus output rise time
10% to 90%
operating ambient temperature
MIN.
4.75
0.3
6.0
10
TYP.
65
MIN.
5.25
+27
27
40
+27
UNIT
V
V
V
V
µA
V
40
+40 V
−−
−−
1
0.5
0.5
40
1.4
1.4
+125
V
V
µs
µs
µs
°C
1997 Oct 15
2


Part Number TJA1053
Description Fault-tolerant CAN transceiver
Maker NXP
Total Page 20 Pages
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