PHILIPS TJA1053

INTEGRATED CIRCUITS
DATA SHEET
TJA1053
Fault-tolerant CAN transceiver
Preliminary specification
File under Integrated Circuits, IC18
1997 Oct 15
Philips Semiconductors
Preliminary specification
Fault-tolerant CAN transceiver
TJA1053
FEATURES
Support for low-power modes
Optimized for in-car low-speed communication
• Low current sleep/standby mode with wake-up via the
bus lines
• Baud rate up to 125 kbaud
• Power-on reset flag on the output.
• Up to 32 nodes can be connected
• Supports unshielded bus wires
• Low RFI due to built-in slope control function
GENERAL DESCRIPTION
• Fully integrated receiver filters
• Supports one-wire transmission modes with ground
offset voltages up to 1.5 V
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.
• Automatic switching to single-wire mode in the event of
bus failure
1. It is better equipped for networks with more than
15 nodes
• Automatic reset to differential mode if bus failure is
removed.
2. A timer has been integrated at the TXD input to
prevent a permanent dominant state
• Permanent dominant monitoring of TXD.
Bus failure management
3. Reduced supply current in VCC standby mode
Protection
4. CANH output driver is disabled in the event that CANH
is short-circuited to battery failure mode.
• 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.
QUICK REFERENCE DATA
SYMBOL
PARAMETER
VCC
supply voltage
VBAT
battery voltage
Isleep
sleep mode current
VCANH,VCANL CANH, CANL input voltage
CONDITIONS
MIN.
TYP.
MIN.
UNIT
4.75
−
5.25
V
no time limit
−0.3
−
+27
V
operating
6.0
−
27
V
load dump
−
−
40
V
VCC = 0 V; VBAT = 12 V
−
65
−
µA
VCC = 0 to 5.5 V; VBAT ≥ 0 V;
no time limit
−10
−
+27
V
VCC = 0 to 5.5 V; VBAT ≥ 0 V;
t < 0.1 ms; load dump
−40
−
+40
V
VDROP(H)
CANH transmitter drop voltage ICANH = 40 mA
−
−
1.4
V
VDROP(L)
CANL transmitter drop voltage ICANL = 40 mA
−
−
1.4
V
tPD
propagation delay
TXD to RXD
−
1
−
µs
tf
bus output fall time
90% to 10%
−
0.5
−
µs
tr
bus output rise time
10% to 90%
−
0.5
−
µs
Tamb
operating ambient temperature
−40
−
+125
°C
1997 Oct 15
2
Philips Semiconductors
Preliminary specification
Fault-tolerant CAN transceiver
TJA1053
ORDERING INFORMATION
PACKAGE
TYPE
NUMBER
NAME
TJA1053T
DESCRIPTION
SO14
VERSION
plastic small outline package; 14 leads; body width 3.9 mm
SOT108-1
BLOCK DIAGRAM
BAT
handbook, full pagewidth
14
INH
WAKE
STB
EN
VCC
10
12.5
kΩ
1
7
TEMPERATURE
PROTECTION
WAKE-UP
STANDBY
CONTROL
5
6
9
11
VCC
12
2
TXD
8
DRIVER
RTL
CANH
CANL
RTH
TIMER
TJA1053
NERR
FAILURE DETECTOR
PLUS WAKE UP
PLUS TIME-OUT
4
FILTER
RXD
RECEIVER
3
FILTER
13
MGL181
GND
Fig.1 Block diagram.
1997 Oct 15
3
Philips Semiconductors
Preliminary specification
Fault-tolerant CAN transceiver
TJA1053
PINNING
SYMBOL
PIN
DESCRIPTION
INH
1
inhibit output for switching external
5 V regulator
TXD
2
transmit data input, when LOW bus
data will be dominant, when HIGH
bus data will be recessive
RXD
3
receive data output, when LOW bus
data will be dominant
NERR
4
error output pin, when LOW a bus
error exists
STB
5
not standby digital control input
signal (active LOW)
INH
1
14 BAT
TXD
2
13 GND
RXD
3
12 CANL
NERR
4
TJA1053T 11 CANH
STB
5
10 VCC
EN
6
9
RTL
WAKE
7
8
RTH
EN
6
enable digital control input signal
WAKE
7
not wake input signal, when pulled
down INH becomes active for
wake-up (active LOW)
RTH
8
termination resistor, CANH line will
be high-impedance with certain bus
errors
RTL
9
termination resistor, CANL line will be
high-impedance with certain bus
errors
VCC
10
supply voltage (+5 V)
CANH
11
high voltage bus line, will be HIGH in
dominant state
CANL
12
low voltage bus line, will be LOW in
dominant state
GND
13
ground
BAT
14
battery voltage
1997 Oct 15
handbook, halfpage
MGL182
Fig.2 Pin configuration.
4
Philips Semiconductors
Preliminary specification
Fault-tolerant CAN transceiver
TJA1053
This time is needed to avoid false triggering by external RF
fields. Recovery from these failures is detected
automatically after a certain time-out (filtering) and no
transmission is lost. The CANH driver and the RTH pin are
switched off in the event of failure 3.
FUNCTIONAL 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 to
the bus and differential receive capability to the CAN
controller.
Failures 4 and 7 initially result in a permanent dominant
level at RXD. After a time-out, the CANL driver and the
RTL pin are switched off. Only a weak pull-up at RTL
remains. Reception continues by switching to the
single-wire mode via CANH. When failures 4 or 7 are
removed, the recessive bus levels are restored. If the
differential voltage remains below the recessive threshold
level for a certain period of time, reception and
transmission switch back to the differential mode.
To reduce RF interference the rise and fall slope are
limited. This allows the use of an unshielded twisted pair or
a parallel pair of wires for the bus. Moreover, it supports
transmission capability on either bus wire if one of the bus
wires is corrupted. The failure detection logic automatically
selects a suitable transmission mode.
In normal operation (no wiring failures) the differential
receiver is output to RXD. The differential receiver inputs
are connected to CANH and CANL through integrated
filters. The filtered input signals are also used for the single
wire receivers. The CANH and CANL receivers have
threshold voltages that ensure a maximum noise margin in
single-wire modes.
If any of the seven wiring failures occur, the output NERR
will be made LOW. On error recovery, NERR will be made
HIGH again.
During all single-wire transmissions, the EMC
performance (both immunity and emission) is worse than
in the differential mode. Integrated receiver filters
suppress any HF noise induced into the bus wires.
The cut-off frequency of these filters is a compromise
between propagation delay and HF suppression. In the
single-wire mode, low frequency noise cannot be
distinguished from the required signal.
A timer has been integrated at the TXD input. This timer
prevents the TJA1053 to drive the bus lines to permanent
dominant state.
Failure detector
Low power modes
The failure detector is active in the normal operation mode
and detects the following single bus failures and switches
to an appropriate mode:
The transceiver provides 3 low power modes which can be
entered and exited via pins STB and EN (see Table 1).
1. CANH wire interrupted
The sleep mode is the mode with the lowest power
consumption. The INH pin is switched to high-impedance
for deactivation of external voltage regulators. CANL is
biased to the battery voltage via the RTL output. If the
supply voltage is provided the RXD and NERR will signal
the wake-up interrupt
2. CANL wire interrupted
3. CANH short-circuited to battery
4. CANL short-circuited to ground
5. CANH short-circuited to ground
6. CANL short-circuited to battery
7. CANL mutually shorted to CANH.
The VBAT standby mode will react the same as the sleep
mode with an active INH output.
The differential receiver threshold is set at −2.9 V.
This ensures correct reception in the normal operating
modes and, in the event of failures 1, 2 and 5 with a noise
margin as high as possible. These failures, or recovery
from them, do not destroy ongoing transmissions.
The VCC standby mode is the VBAT standby with RTL
switched to the VCC voltage. In this mode the NERR output
signals the VBAT power-on flag and the RXD output will
show the wake-up interrupt.
Failures 3 and 6 are detected by comparators connected
to CANH and CANL, respectively. If the comparator
threshold is exceeded for a certain period of time, the
reception is switched to the single-wire mode.
1997 Oct 15
5
Philips Semiconductors
Preliminary specification
Fault-tolerant CAN transceiver
TJA1053
Wake-up requests are recognized by the transceiver when
a dominant signal is detected on either bus line or if the
WAKE pin is connected to ground. On a wake-up request
the transceiver will set the INH output which can be used
to activate the external VCC voltage regulator. If VCC is
provided the wake-up request can be read on the NERR or
RXD outputs, on which the external microcontroller can
wake up the transceiver (switch to normal operating mode)
via STB and EN.
The EN and STB pins will internally be set to LOW level, if
the VCC voltage is below a certain threshold level, to
provide fail safe functionality.
Protections
A current limiting circuit protects the transmitter output
stages against short-circuit to positive and negative
battery voltage.
If the junction temperature exceeds a maximum value, the
transmitter output stages are disabled. Because the
transmitter is responsible for the major part of the power
dissipation, this will result in a reduced power dissipation
and hence a lower chip temperature. All other parts of the
IC will remain operating.
To prevent false wake-up due to transients or RF fields,
wake-up voltage threshold levels have to be maintained
for a certain period of time. In the low power modes the
failure detection circuit remains partly active to prevent
increased power consumption should errors 3, 4 and 7
occur.
The CANH and CANL inputs are protected against
electrical transients which may occur in an automotive
environment.
Power on
After power-on VBAT is switched on, the INH pin will
become HIGH and an internal power-on flag will be set.
This flag can be read via the NERR pin (STB = 1, EN = 0)
and will be reset by entering the normal operation mode.
Table 1
Truth table of CAN transceiver
STB EN
MODE
INH
NERR
RXD
RTL
0
VBAT standby(1)
0
0
sleep(2)
floating
switched to VBAT
0
1
go to sleep command
floating
switched to VBAT
0
standby(3)
1
0
VCC
1
1
normal operation mode
HIGH
active LOW wake-up interrupt signal if VCC is present switched to VBAT
HIGH
active LOW VBAT
power-on flag
active LOW wake-up
interrupt
switched to VCC
HIGH
active LOW error flag
HIGH = receive;
LOW = dominant
received data
switched to VCC
Notes
1. Wake-up interrupts are released when entering normal operating mode.
2. If go to sleep command was used before (EN may turn LOW as VCC drops, without affecting internal functions
because of fail safe functionality).
3. VBAT power-on flag will be reset when entering normal operation mode.
1997 Oct 15
6
Philips Semiconductors
Preliminary specification
Fault-tolerant CAN transceiver
TJA1053
LIMITING VALUES
In accordance with the Absolute Maximum Rating System (IEC 134).
SYMBOL
PARAMETER
CONDITIONS
MIN.
MAX.
UNIT
VCC
supply voltage
−0.3
+6.0
V
VDD
DC input voltage at pins 2 to 6
−0.3
VCC + 0.3
V
VBUS
DC input voltage at pins 11 and 12
−10
+27
V
VCANH,L
DC input voltage at pins 11 and 12
VCC = 0 to 5.5 V;
−40
VBAT ≥ 0 V; t < 0.1 ms;
load dump
+40
V
Vtr
transient voltage at pins 11 and 12
see Fig.6
−150
+100
V
VWAKE
DC input voltage on pin 7
−
VBAT + 0.3 V
IWAKE
input current pin 7
−15
−
V1,8,9
DC input voltage on pins 1, 8 and 9
−0.3
VBAT + 0.3 V
VBAT
DC input voltage on pin 14
−0.3
+27
−
40
V
500
16000
Ω
−40
+150
°C
−55
+150
°C
voltage on pin 14
R8,9
termination resistances pins 8 and 9
Tvj
virtual junction temperature
Tstg
storage temperature
Vesd
electrostatic discharge voltage at any pin
load dump; 500 ms
note 1
mA
V
note 2
−2000
+2000
V
note 3
−200
+200
V
Notes
1. Junction temperature in accordance with IEC 747-1. An alternative definition is: Tvj = Tamb + PD × Rth vj-a.
Where: Rth vj-a is a fixed value to be used for the calculation of Tvj. The rating for Tvj limits the allowable combinations
of power dissipation and ambient temperature.
2. Human body model: equivalent to discharging a 100 pF capacitor through a 1.5 kΩ resistor.
3. Machine model: equivalent to discharging a 200 pF capacitor through a 25 Ω resistor.
THERMAL CHARACTERISTICS
SYMBOL
Rth vj-a
PARAMETER
thermal resistance from junction to ambient
CONDITIONS
in free air
QUALITY SPECIFICATION
Quality specification in accordance with “SNW-FQ-611-Part-E”.
1997 Oct 15
7
VALUE
UNIT
120
K/W
Philips Semiconductors
Preliminary specification
Fault-tolerant CAN transceiver
TJA1053
CHARACTERISTICS
VCC = 4.75 to 5.25 V; VSTB = VCC; VBAT = 6 to 27 V; Tamb = −40 to +125 °C; unless otherwise specified. All voltages are
defined with respect to ground. Positive currents flow into the IC. All parameters are guaranteed over the temperature
range by design, but only 100% tested at 25 °C.
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
Supplies
ICC
supply current
recessive; TXD = VCC;
normal operating mode
−
6
10
mA
dominant; TXD = 0 V; no
load; normal operating mode
−
29
35
mA
ICC + IBAT
supply current
VCC standby; VCC = 5 V;
VBAT = 12 V; Tamb < 90 °C
−
200
500
µA
IBAT + ICC
supply current
VBAT standby; VCC = 5 V;
VBAT = 12 V; Tamb < 90 °C
−
70
95
µA
IBAT
supply current
sleep mode; VCC = 0 V;
VBAT = 12 V; Tamb < 90 °C
−
65
90
µA
VBAT
battery voltage for setting
power-on flag
low power modes
−
−
1.0
V
tpwon
battery voltage low time for
setting power-on flag
low power modes
1
−
−
s
Pins STB, EN and TXD
VIH
HIGH-level input voltage
0.7VCC
−
VCC + 0.3
V
VIL
LOW-level input voltage
−0.3
−
0.3VCC
V
IIH
HIGH-level input current
(pins STB and EN)
Vi = 4 V
−
9
20
µA
IIL
LOW-level input current
(pins STB and EN)
Vi = 1 V
4
8
−
µA
IIH
HIGH-level input current
(pin TXD)
Vi = 4 V
−25
−80
−200
µA
IIL
LOW-level input current
(pin TXD)
Vi = 1 V
−100
−320
−800
µA
VCC
forced VBAT standby mode
(fail safe)
2.75
−
4.5
V
Pins RXD and NERR
VOH
HIGH-level output voltage
(pin NERR)
Io = −100 µA
VCC − 0.9
−
VCC
V
VOH
HIGH-level output voltage
(pin RXD)
Io = −250 µA
VCC − 0.9
−
VCC
V
VOL
LOW-level output voltage
Io = 1.25 mA
0
−
0.9
V
IIL
LOW-level input current
VWAKE = 0 V; VBAT = 27 V
−70
−40
−10
µA
Vwu(th)
wake-up threshold voltage
VSTB = 0 V
1.7
3.0
4.0
V
Pin WAKE
1997 Oct 15
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Philips Semiconductors
Preliminary specification
Fault-tolerant CAN transceiver
SYMBOL
PARAMETER
TJA1053
CONDITIONS
MIN.
TYP.
MAX.
UNIT
Pin INH
VdropH
ILI
HIGH-level voltage drop
leakage current
IINH = −0.18 mA; VBAT < 16 V −
−
0.8
V
IINH = −0.18 mA; VBAT > 16 V −
−
1.0
V
sleep mode; VINH = 0 V
−5.0
−
+5.0
µA
Pins CANH and CANL
Vdrx
differential receiver threshold
voltage
no bus failures
bus failures 1, 2 and 5
−3.25
−
−2.65
V
VoCANHrec
CANH recessive output voltage
TXD = VCC; RRTH < 4 kΩ
−
−
0.2
V
VoCANLrec
CANL recessive output voltage
TXD = VCC; RRTL < 4 kΩ
VCC − 0.2
−
−
V
VoCANHdom CANH dominant output voltage
TXD = 0 V; V6 = VCC;
ICANH = −40 mA
VCC − 1.4
−
−
V
VoCANLdom
CANL dominant output voltage
TXD = 0 V; V6 = VCC;
ICANL = 40 mA
−
−
1.4
V
IoCANH
CANH output current
IoCANL
CANL output current
VCANH = 0 V; TXD = 0 V
−
−75
−100
mA
sleep mode; VCANH = 12 V
−
0
−
µA
VCANL = 14 V; TXD = 0 V
−
90
130
mA
sleep mode; VCANL = 0 V;
VBAT = 12 V
−
0
−
µA
7.3
8.0
V
Vdet(th)H,L
voltage detection threshold for
normal mode
short-circuit to battery voltage on
CANH and CANL
6.5
Vdet(th)H
voltage detection threshold for
standby/sleep mode
short-circuit to battery voltage on
CANH
VBAT − 2.5 −
VBAT − 1
V
VwuL
CANL wake-up voltage
threshold
2.4
3.1
3.8
V
VwuH
CANH wake-up voltage
threshold
1.2
1.9
2.7
V
VwuL-VwuH
wake-up voltage threshold
difference
0.2
−
−
V
VCANH
CANH single-ended receiver
threshold
failures 4, 6 and 7
1.5
1.82
2.15
V
VCANL
CANL single-ended receiver
threshold voltage
failure 3
2.8
3.1
3.4
V
1997 Oct 15
9
Philips Semiconductors
Preliminary specification
Fault-tolerant CAN transceiver
SYMBOL
PARAMETER
TJA1053
CONDITIONS
MIN.
TYP.
MAX.
UNIT
Pins RTH and RTL
−
7
25
Ω
Io < 1 mA; VCC
standby mode
−
15
75
Ω
RTL to VBAT switch series
resistance
VBAT standby or sleep mode
8
12.5
23
kΩ
RRTH
RTH to ground switch-on
resistance
Io < 10 mA;
normal operating mode
−
43
95
Ω
VoRTH
RTH output voltage
Io = 1 mA; low power modes
−
0.7
1.0
V
IRTLpu
RTL pull-up current
normal operating mode,
failures 4, 6 and 7
−
75
−
µA
IRTHpd
RTH pull-down current
normal operating mode,
failure 3
−
75
−
µA
155
165
180
°C
RRTL
RTL to VCC switch-on resistance Io < 10 mA;
normal operating mode
Thermal shutdown
Tjsd
shutdown junction temperature
AC CHARACTERISTICS
VCC = 4.75 to 5.25 V; VSTB = VCC; VBAT = 6 to 27 V; Tamb = −40 to +125 °C; unless otherwise specified. All voltages are
defined with respect to ground. Positive currents flow into the IC. All parameters are guaranteed over the temperature
range by design, but only 100% tested at 25 °C.
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
tt(r-d)
CANL and CANH bus output
transition time
recessive-to-dominant
10% to 90%; C1 = 10 nF;
C2 = 0; R1 = 100 Ω
0.6
0.85
−
µs
tt(d-r)
CANL and CANH bus output
transition time
dominant-to-recessive
10% to 90%; C1 = 1 nF;
C2 = 0; R1 = 100 Ω
0.3
0.4
−
µs
tPD(L)
propagation delay TXD-to-RXD
LOW
C1 = 100 pF; C2 = 0;
R1 = 100 Ω; no failures and
bus failures 1, 2 and 5
−
0.75
1.25
µs
C1 = C2 = 3.3 nF;
R1 = 100 Ω; no failures and
bus failures 1, 2 and 5
−
1
1.5
µs
C1 = 100 pF; C2 = 0;
R1 = 100 Ω;
bus failures 3, 4, 6 and 7
−
0.85
1.3
µs
C1 = C2 = 3.3 nF;
R1 = 100 Ω;
bus failures 3, 4, 6 and 7
−
1.1
1.7
µs
1997 Oct 15
10
Philips Semiconductors
Preliminary specification
Fault-tolerant CAN transceiver
SYMBOL
tPD(H)
PARAMETER
propagation delay TXD-to-RXD
HIGH
TJA1053
CONDITIONS
MIN.
TYP.
MAX.
UNIT
C1 = 100 pF; C2 = 0;
R1 = 100 Ω; no failures and
bus failures 1, 2 and 5
−
0.95
1.5
µs
C1 = C2 = 3.3 nF;
Rl = 100 Ω; no failures and
bus failures 1 and 2
−
2.2
3.0
µs
C1 = 100 pF; C2 = 0;
R1 = 100 Ω;
bus failures 3, 4, 6 and 7
−
0.85
1.3
µs
C1 = C2 = 3.3 nF;
R1 = 100 Ω;
bus failures 3, 4, 5, 6 and 7
−
1.4
2.1
µs
twu(min)
minimum dominant time for
wake-up on CANL or CANH
low power modes
VBAT = 12 V
8
−
38
µs
tWAKE(min)
minimum WAKE LOW time for
wake-up
low power modes
VBAT = 12 V
8
−
38
µs
tfail
failure 3 detection time
normal mode
10
−
60
µs
failure 6 detection time
normal mode
50
−
400
µs
failure 3 recovery time
normal mode
10
−
60
µs
failure 6 recovery time
normal mode
150
−
750
µs
failures 4 and 7 detection time
normal mode
0.75
−
4.0
ms
failures 4 and 7 recovery time
normal mode
10
−
60
µs
failures 3, 4 and 7 detection time low power modes;
VBAT = 12 V
0.8
−
8.0
ms
failures 3, 4 and 7 recovery time
low power modes;
VBAT = 12 V
−
4
−
ms
tTXD
TXD permanent dominant timer,
disable time
normal mode and failure
modes
0.75
−
4.0
ms
th(min)
minimum hold time to go to sleep
command
5
−
50
µs
∆ec
edge-count difference between
CANH and CANL
normal mode
−
3
−
for failures 1, 2 and 5 recovery normal mode
−
1
−
for failures 1, 2 and 5
detection (NERR becomes
LOW)
1997 Oct 15
11
Philips Semiconductors
Preliminary specification
Fault-tolerant CAN transceiver
TJA1053
TEST AND APPLICATION INFORMATION
+5 V
handbook, full pagewidth
INH
WAKE
TXD
STB
EN
RXD
+12 V
BAT
1
14
10
7
8
2
12
R1
RTH
C2
11
6
9
3
CANH
RTL
R1
4
GND
C1
CANL
TJA1053
5
13
20 pF
VCC
C1
NERR
MGL183
Fig.3 Test circuit for dynamic characteristics.
handbook, full pagewidth
VCC
VTXD
0V
VCANL
5V
3.6 V
1.4 V
VCANH
0V
2.2 V
−2.9 V
−5 V
Vdiff
VRXD
0.7VCC
0.3VCC
tPD(H)
tPD(L)
Fig.4 Timing diagram for dynamic characteristics.
1997 Oct 15
12
MGL184
Philips Semiconductors
Preliminary specification
Fault-tolerant CAN transceiver
TJA1053
VBAT
handbook, full pagewidth
BATTERY
+5 V
P8xC292/P8xCE598
CAN CONTROLLER
+5 V
CTX0
CRXO
TXD
WAKE
2
RXD
STB
3
NERR
5
4
EN
6
INH
1
7
14
TJA1053
10
CAN TRANSCEIVER
13
8
11
RTH
12
CANH
BAT
VCC
GND
100 nF
9
CANL
RTL
CAN BUS LINE
MGL185
Fig.5 Application of the TJA1053.
handbook, full pagewidth
+5 V
+12 V
INH
WAKE
TXD
STB
EN
RXD
1
14
10
7
8
2
12
5
RTH
100 Ω
CANL
1 nF
TJA1053
11
6
CANH
1 nF
9
3
13
20 pF
VCC
BAT
4
GND
RTL
100 Ω
NERR
MGL186
Fig.6 Test circuit for automotive transients.
1997 Oct 15
13
GENERATOR
Philips Semiconductors
Preliminary specification
Fault-tolerant CAN transceiver
TJA1053
PACKAGE OUTLINE
SO14: plastic small outline package; 14 leads; body width 3.9 mm
SOT108-1
D
E
A
X
c
y
HE
v M A
Z
8
14
Q
A2
A
(A 3)
A1
pin 1 index
θ
Lp
1
L
7
e
0
detail X
w M
bp
2.5
5 mm
scale
DIMENSIONS (inch dimensions are derived from the original mm dimensions)
UNIT
A
max.
A1
A2
A3
bp
c
D (1)
E (1)
e
HE
L
Lp
Q
v
w
y
Z (1)
mm
1.75
0.25
0.10
1.45
1.25
0.25
0.49
0.36
0.25
0.19
8.75
8.55
4.0
3.8
1.27
6.2
5.8
1.05
1.0
0.4
0.7
0.6
0.25
0.25
0.1
0.7
0.3
0.010 0.057
0.004 0.049
0.01
0.019 0.0100 0.35
0.014 0.0075 0.34
0.16
0.15
0.050
0.028
0.024
0.01
0.01
0.004
0.028
0.012
inches 0.069
0.244
0.039
0.041
0.228
0.016
θ
Note
1. Plastic or metal protrusions of 0.15 mm maximum per side are not included.
REFERENCES
OUTLINE
VERSION
IEC
JEDEC
SOT108-1
076E06S
MS-012AB
1997 Oct 15
EIAJ
EUROPEAN
PROJECTION
ISSUE DATE
95-01-23
97-05-22
14
o
8
0o
Philips Semiconductors
Preliminary specification
Fault-tolerant CAN transceiver
TJA1053
SOLDERING
Wave soldering
Introduction
Wave soldering techniques can be used for all SO
packages if the following conditions are observed:
There is no soldering method that is ideal for all IC
packages. Wave soldering is often preferred when
through-hole and surface mounted components are mixed
on one printed-circuit board. However, wave soldering is
not always suitable for surface mounted ICs, or for
printed-circuits with high population densities. In these
situations reflow soldering is often used.
• A double-wave (a turbulent wave with high upward
pressure followed by a smooth laminar wave) soldering
technique should be used.
• The longitudinal axis of the package footprint must be
parallel to the solder flow.
• The package footprint must incorporate solder thieves at
the downstream end.
This text gives a very brief insight to a complex technology.
A more in-depth account of soldering ICs can be found in
our “IC Package Databook” (order code 9398 652 90011).
During placement and before soldering, the package must
be fixed with a droplet of adhesive. The adhesive can be
applied by screen printing, pin transfer or syringe
dispensing. The package can be soldered after the
adhesive is cured.
Reflow soldering
Reflow soldering techniques are suitable for all SO
packages.
Maximum permissible solder temperature is 260 °C, and
maximum duration of package immersion in solder is
10 seconds, if cooled to less than 150 °C within
6 seconds. Typical dwell time is 4 seconds at 250 °C.
Reflow soldering requires solder paste (a suspension of
fine solder particles, flux and binding agent) to be applied
to the printed-circuit board by screen printing, stencilling or
pressure-syringe dispensing before package placement.
A mildly-activated flux will eliminate the need for removal
of corrosive residues in most applications.
Several techniques exist for reflowing; for example,
thermal conduction by heated belt. Dwell times vary
between 50 and 300 seconds depending on heating
method. Typical reflow temperatures range from
215 to 250 °C.
Repairing soldered joints
Fix the component by first soldering two diagonallyopposite end leads. Use only a low voltage soldering iron
(less than 24 V) applied to the flat part of the lead. Contact
time must be limited to 10 seconds at up to 300 °C. When
using a dedicated tool, all other leads can be soldered in
one operation within 2 to 5 seconds between
270 and 320 °C.
Preheating is necessary to dry the paste and evaporate
the binding agent. Preheating duration: 45 minutes at
45 °C.
1997 Oct 15
15
Philips Semiconductors
Preliminary specification
Fault-tolerant CAN transceiver
TJA1053
DEFINITIONS
Data sheet status
Objective specification
This data sheet contains target or goal specifications for product development.
Preliminary specification
This data sheet contains preliminary data; supplementary data may be published later.
Product specification
This data sheet contains final product specifications.
Limiting values
Limiting values given are in accordance with the Absolute Maximum Rating System (IEC 134). Stress above one or
more of the limiting values may cause permanent damage to the device. These are stress ratings only and operation
of the device at these or at any other conditions above those given in the Characteristics sections of the specification
is not implied. Exposure to limiting values for extended periods may affect device reliability.
Application information
Where application information is given, it is advisory and does not form part of the specification.
LIFE SUPPORT APPLICATIONS
These products are not designed for use in life support appliances, devices, or systems where malfunction of these
products can reasonably be expected to result in personal injury. Philips customers using or selling these products for
use in such applications do so at their own risk and agree to fully indemnify Philips for any damages resulting from such
improper use or sale.
1997 Oct 15
16
Philips Semiconductors
Preliminary specification
Fault-tolerant CAN transceiver
TJA1053
NOTES
1997 Oct 15
17
Philips Semiconductors
Preliminary specification
Fault-tolerant CAN transceiver
TJA1053
NOTES
1997 Oct 15
18
Philips Semiconductors
Preliminary specification
Fault-tolerant CAN transceiver
TJA1053
NOTES
1997 Oct 15
19
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Internet: http://www.semiconductors.philips.com
© Philips Electronics N.V. 1997
SCA55
All rights are reserved. Reproduction in whole or in part is prohibited without the prior written consent of the copyright owner.
The information presented in this document does not form part of any quotation or contract, is believed to be accurate and reliable and may be changed
without notice. No liability will be accepted by the publisher for any consequence of its use. Publication thereof does not convey nor imply any license
under patent- or other industrial or intellectual property rights.
Printed in The Netherlands
897027/00/01/pp20
Date of release: 1997 Oct 15
Document order number:
9397 750 02465