TLE8250SJ
Hi gh speed CAN transceiver
Features
•
Compliant to ISO 11898-2:2016
•
Wide common mode range for electromagnetic immunity (EMI)
•
Very low electromagnetic emission (EME)
•
Excellent ESD robustness
•
Guaranteed and improved loop delay symmetry to support CAN FD data
frames up to 2 MBit/s
•
Extended supply range on VCC supply
•
CAN short circuit proof to ground, battery and VCC
•
TxD time-out function
•
Low CAN bus leakage current in power-down state
•
Overtemperature protection
•
Protected against automotive transients
•
Receive-only mode and power-save mode
•
Green Product (RoHS compliant)
•
Certified according to latest VeLIO (Vehicle LAN Interoperability & Optimization) test requirements for the
Japanese market
Potential applications
•
Engine control unit (ECUs)
•
Transmission control units (TCUs)
•
Chassis control modules
•
Electric power steering
Product validation
Qualified for automotive applications. Product validation according to AEC-Q100.
Description
The TLE8250SJ is a transceiver designed for HS CAN networks in automotive and industrial applications. As
an interface between the physical bus layer and the CAN protocol controller, the TLE8250SJ drives the signals
to the bus and protects the microcontroller against interferences generated within the network. Based on the
high symmetry of the CANH and CANL signals, the TLE8250SJ provides a very low level of electromagnetic
emission (EME) within a wide frequency range.
Datasheet
www.infineon.com/automotive-transceivers
1
Rev. 1.01
2020-02-14
TLE8250SJ
High speed CAN transceiver
The TLE8250SJ fulfills or exceeds the requirements of the ISO 11898-2:2016.
The TLE8250SJ provides a receive-only mode and a power-save mode. It is designed to fulfill the enhanced
physical layer requirements for CAN FD and supports data rates up to 2 MBit/s.
On the basis of a very low leakage current on the HS CAN bus interface the TLE8250SJ provides an excellent
passive behavior in power-down state. These and other features make the TLE8250SJ exceptionally suitable
for mixed supply HS CAN networks.
Based on the Infineon Smart Power Technology SPT, the TLE8250SJ provides excellent ESD immunity
together with a very high electromagnetic immunity (EMI). The TLE8250SJ and the Infineon SPT technology
are AEC qualified and tailored to withstand the harsh conditions of the automotive environment.
Three different operating modes, additional fail-safe features like a TxD time-out and the optimized output
slew rates on the CANH and CANL signals, make the TLE8250SJ the ideal choice for large HS CAN networks
with high data transmission rates.
Type
Package
Marking
TLE8250SJ
PG-DSO-8
8250
Datasheet
2
Rev. 1.01
2020-02-14
TLE8250SJ
High speed CAN transceiver
Table of contents
1
Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
2
2.1
2.2
Pin configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Pin assignment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Pin definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
3
3.1
3.2
3.2.1
3.2.2
3.2.3
3.3
3.3.1
3.3.2
3.3.3
Functional description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
High speed CAN physical layer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Modes of operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Normal-operating mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Power-save mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Receive-only mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Power-up and undervoltage condition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Power-down state . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Power-up . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Undervoltage on the transmitter supply VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
4
4.1
4.2
4.3
4.4
4.5
Fail safe functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Short circuit protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Unconnected logic pins . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
TxD time-out function . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Overtemperature protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Delay time for mode change . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
12
12
12
12
13
13
5
5.1
5.2
5.3
General product characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Functional range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Thermal resistance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
14
14
15
15
6
6.1
6.2
Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Functional device characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
7
7.1
7.2
7.3
7.3.1
7.3.2
7.4
Application information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
ESD robustness according to IEC61000-4-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Application example . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Examples for mode changes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Mode change while the TxD signal is “low” . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Mode change while the bus signal is dominant . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Further application information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
8
Package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
9
Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
Datasheet
3
23
23
24
25
26
26
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TLE8250SJ
High speed CAN transceiver
Block diagram
1
Block diagram
3
VCC
Transmitter
CANH
CANL
1
7
Driver
Tempprotection
6
TxD
Timeout
8
Mode
control
5
NEN
NRM
Receiver
Normal-mode receiver
4
RxD
VCC/2 =
Bus-biasing
GND 2
Figure 1
Datasheet
Functional block diagram
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TLE8250SJ
High speed CAN transceiver
Pin configuration
2
Pin configuration
2.1
Pin assignment
Figure 2
2.2
TxD
1
8
NEN
GND
2
7
CANH
VCC
3
6
CANL
RxD
4
5
NRM
Pin configuration
Pin definitions
Table 1
Pin definitions and functions
Pin No.
Symbol
Function
1
TxD
Transmit data input;
internal pull-up to VCC, “low” for dominant state.
2
GND
Ground
3
VCC
Transmitter supply voltage;
100 nF decoupling capacitor to GND required.
4
RxD
Receive data output;
“low” in dominant state.
5
NRM
Not receive-only mode input;
control input for selecting receive-only mode,
internal pull-up to VCC, “low” for receive-only mode.
6
CANL
CAN bus low level I/O;
“low” in dominant state.
7
CANH
CAN bus high level I/O;
“high” in dominant state.
8
NEN
Not enable input;
internal pull-up to VCC,
“low” for normal-operating mode or receive-only mode.
Datasheet
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TLE8250SJ
High speed CAN transceiver
Functional description
3
Functional description
HS CAN is a serial bus system that connects microcontrollers, sensors and actuators for real-time control
applications. The use of the Controller Area Network (abbreviated CAN) within road vehicles is described by
the international standard ISO 11898. According to the 7-layer OSI reference model the physical layer of a
HS CAN bus system specifies the data transmission from one CAN node to all other available CAN nodes within
the network. The physical layer specification of a CAN bus system includes all electrical and mechanical
specifications of a CAN network. The CAN transceiver is part of the physical layer specification. Several
different physical layer standards of CAN networks have been developed in recent years. The TLE8250SJ is a
high speed CAN transceiver without a wake-up function and defined by the international standard
ISO 11898-2:2016.
3.1
High speed CAN physical layer
TxD
VCC =
TxD =
VCC
RxD =
CANH =
t
CANH
CANL
CANL =
VDiff =
VCC
Transmitter supply voltage
Transmit data input from
the microcontroller
Receive data output to
the microcontroller
Bus level on the CANH
input/output
Bus level on the CANL
input/output
Differential voltage
between CANH and CANL
VDiff = VCANH – VCANL
t
VDiff
VCC
“dominant” receiver threshold
“recessive” receiver threshold
t
RxD
VCC
tLoop(H,L)
Figure 3
Datasheet
tLoop(L,H)
t
High speed CAN bus signals and logic signals
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TLE8250SJ
High speed CAN transceiver
Functional description
The TLE8250SJ is a high speed CAN transceiver, operating as an interface between the CAN controller and the
physical bus medium. A HS CAN network is a two wire, differential network which allows data transmission
rates for CAN FD frames up to 2 MBit/s. Characteristic for HS CAN networks are the two signal states on the
HS CAN bus: dominant and recessive (see Figure 3).
VCC and GND are the supply pins for the TLE8250SJ. The pins CANH and CANL are the interface to the HS CAN
bus and operate in both directions, as an input and as an output. RxD and TxD pins are the interface to the CAN
controller, the TxD pin is an input pin and the RxD pin is an output pin. The NEN and NRM pins are the input
pins for the mode selection (see Figure 4).
By setting the TxD input pin to logical “low” the transmitter of the TLE8250SJ drives a dominant signal to the
CANH and CANL pins. Setting TxD input to logical “high” turns off the transmitter and the output voltage on
CANH and CANL discharges towards the recessive level. The recessive output voltage is provided by the
bus-biasing (see Figure 1). The output of the transmitter is considered to be dominant, when the voltage
difference between CANH and CANL is at least higher than 1.5 V (VDiff = VCANH - VCANL).
Parallel to the transmitter the normal-mode receiver monitors the signal on the CANH and CANL pins and
indicates it on the RxD output pin. A dominant signal on the CANH and CANL pins sets the RxD output pin to
logical “low”, vice versa a recessive signal sets the RxD output to logical “high”. The normal-mode receiver
considers a voltage difference (VDiff) between CANH and CANL above 0.9 V as dominant and below 0.5 V as
recessive.
To be conform with HS CAN features, like the bit to bit arbitration, the signal on the RxD output has to follow
the signal on the TxD input within a defined loop delay tLoop ≤ 255 ns.
Datasheet
7
Rev. 1.01
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TLE8250SJ
High speed CAN transceiver
Functional description
3.2
Modes of operation
The TLE8250SJ supports three different modes of operation, power-save mode, receive-only mode and
normal-operating mode while the transceiver is supplied according to the specified functional range. The
mode of operation is selected by the NEN and the NRM input pins (see Figure 4).
VCC > VCC(UV,R)
power-save mode
NEN = 0
NRM = 1
NEN = 1
NEN = 1
NRM = “X”
normal-operating mode
NEN = 0
NRM = 1
NEN = 0
NRM = 0
NEN = 0
NRM = 0
NEN = 0
NRM = 1
VCC > VCC(UV,R)
Figure 4
3.2.1
NEN = 1
NRM = “X”
NRM = “X”
receive-only
mode
NEN = 0
NRM = 0
VCC > VCC(UV,R)
Mode state diagram
Normal-operating mode
In normal-operating mode the transmitter and the receiver of the HS CAN transceiver TLE8250SJ are active
(see Figure 1). The HS CAN transceiver sends the serial data stream on the TxD input pin to the CAN bus. The
data on the CAN bus is displayed at the RxD pin simultaneously. A logical “low” signal on the NEN pin and a
logical “high” signal on the NRM pin selects the normal-operating mode, while the transceiver is supplied by
VCC (see Table 2 for details).
3.2.2
Power-save mode
The power-save mode is an idle mode of the TLE8250SJ with optimized power consumption. In power-save
mode the transmitter and the normal-mode receiver are turned off. The TLE8250SJ can not send any data to
the HS CAN bus nor receive any data from the HS CAN bus.
The RxD output pin is permanently “high” in the power-save mode.
A logical “high” signal on the NEN pin selects the power-save mode, while the transceiver is supplied by the
transmitter supply VCC (see Table 2 for details).
In power-save mode the bus input pins are not biased. Therefore the CANH and CANL input pins are floating
and the HS CAN bus interface has a high resistance.
3.2.3
Receive-only mode
In receive-only mode the normal-mode receiver is active and the transmitter is turned off. The TLE8250SJ can
receive data from the HS CAN bus, but cannot send any data to the HS CAN bus.
A logical “low” signal on the NEN pin and a logical “low” signal on the NRM pin selects the receive-only mode,
while the transceiver is supplied by VCC (see Table 2 for details).
Datasheet
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TLE8250SJ
High speed CAN transceiver
Functional description
3.3
Power-up and undervoltage condition
By detecting an undervoltage event or by switching off the transmitter power supply VCC, the transceiver
TLE8250SJ changes the mode of operation (details see Figure 5).
normal-operating
mode
VCC “on”
NEN “0”
NRM “1”
NEN NRM
0
power-down
state
NEN NRM
“X”
“X”
VCC
1
“off”
Power-up and undervoltage
Table 2
Modes of operation
NEN NRM
Mode
NEN
NRM
Normal-operating
“low”
“high” “on” VCC/2
Power-save
“high” “X”
Receive-only
“low”
Power-down state
“X ”
VCC
receive-only
mode
0
power-save
mode
1
Figure 5
VCC “on”
NEN “0”
NRM “0”
NEN NRM
VCC “on”
NEN “1”
NRM “X”
VCC “on”
NEN “0”
NRM “X”
1)
“on”
VCC “on”
NEN “0”
NRM “1”
VCC “on”
NEN “0”
NRM “0”
VCC “on”
NEN “0”
NRM “1”
VCC
“X”
Bus-bias
0
VCC
“on”
VCC “on”
NEN “1”
NRM “X”
VCC “on”
NEN “0”
NRM “0”
VCC
“on”
Transmitter
Normal-mode
receiver
Low-power
receiver
“on”
“on”
not available
“on” floating
“off”
“off”
not available
“low”
“on” VCC/2
“off”
“on”
not available
“X”
“off” floating
“off”
“off”
not available
1) “X”: Don’t care.
Datasheet
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Rev. 1.01
2020-02-14
TLE8250SJ
High speed CAN transceiver
Functional description
3.3.1
Power-down state
Independent of the NEN and NRM input pins the TLE8250SJ is in power-down state when the transmitter
supply voltage VCC is turned off (see Figure 5).
In the power-down state the input resistors of the receiver are disconnected from the bus biasing VCC/2. The
CANH and CANL bus interface of the TLE8250SJ is floating and acts as a high-impedance input with a very
small leakage current. The high-ohmic input does not influence the recessive level of the CAN network and
allows an optimized EME performance of the entire HS CAN network (see also Table 2).
3.3.2
Power-up
The HS CAN transceiver TLE8250SJ powers up if the transmitter supply VCC is connected to the device. By
default the device powers up in power-save mode, due to the internal pull-up resistor on the NEN pin to VCC.
In case the device needs to power-up to normal-operating mode, the NEN pin needs to be pulled active to
logical “low” while the NRM pin is logical “high” (see Figure 5).
Datasheet
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TLE8250SJ
High speed CAN transceiver
Functional description
3.3.3
Undervoltage on the transmitter supply VCC
In case the transmitter supply VCC falls below the threshold VCC < VCC(UV,F), the transceiver TLE8250SJ can not
provide the correct bus levels to the CANH and CANL anymore. The normal-mode receiver is powered by the
transmitter supply VCC. In case of insufficient VCC supply the TLE8250SJ can neither transmit the CANH and
CANL signals correctly to bus nor can it receive them properly. Therefore the TLE8250SJ powers down and
blocks both, the transmitter and the receiver.
The transceiver TLE8250SJ powers up again, when the transmitter supply VCC recovers from the undervoltage
condition.
VCC
VCC undervoltage monitor
VCC(UV,F)
VCC undervoltage monitor
VCC(UV,R)
hysteresis
VCC(UV,H)
tDelay(UV) delay time undervoltage
t
any mode of operation
power-down state
power-save mode
NEN
“high” due the internal
pull-up resistor1)
“X” = don’t care
t
NRM
“high” due the internal
pull-up resistor1)
“X” = don’t care
1)
Figure 6
Datasheet
assuming no external signal applied
t
Undervoltage on the transmitter supply VCC
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TLE8250SJ
High speed CAN transceiver
Fail safe functions
4
Fail safe functions
4.1
Short circuit protection
The CANH and CANL bus outputs are short circuit proof, either against GND or a positive supply voltage.
A current limiting circuit protects the transceiver against damages. If the device is heating up due to a
continuous short on the CANH or CANL, the internal overtemperature protection switches off the bus
transmitter.
4.2
Unconnected logic pins
All logic input pins have an internal pull-up resistor to VCC. In case the VCC supply is activated and the logical
pins are open, the TLE8250SJ enters into the power-save mode by default. In power-save mode the
transmitter of the TLE8250SJ is disabled and the bus bias is floating.
4.3
TxD time-out function
The TxD time-out feature protects the CAN bus against permanent blocking in case the logical signal on the
TxD pin is continuously “low”. A continuous “low” signal on the TxD pin might have its root cause in a
locked-up microcontroller or in a short circuit on the printed circuit board, for example. In normal-operating
mode, a logical “low” signal on the TxD pin for the time t > tTxD enables the TxD time-out feature and the
TLE8250SJ disables the transmitter (see Figure 7). The receiver is still active and the data on the bus continues
to be monitored by the RxD output pin.
t > tTxD
TxD time-out
CANH
CANL
TxD time–out released
t
TxD
t
RxD
t
Figure 7
TxD time-out function
Figure 7 illustrates how the transmitter is deactivated and activated again. A permanent “low” signal on the
TxD input pin activates the TxD time-out function and deactivates the transmitter. To release the transmitter
after a TxD time-out event the TLE8250SJ requires a signal change on the TxD input pin from logical “low” to
logical “high”.
Datasheet
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TLE8250SJ
High speed CAN transceiver
Fail safe functions
4.4
Overtemperature protection
The TLE8250SJ has an integrated overtemperature detection to protect the TLE8250SJ against thermal
overstress of the transmitter. The overtemperature protection is active in normal-operating mode and
disabled in power-save mode and receive-only mode. In case of an overtemperature condition, the
temperature sensor will disable the transmitter (see Figure 1) while the transceiver remains in
normal-operating mode.
After the device has cooled down the transmitter is activated again (see Figure 8). A hysteresis is implemented
within the temperature sensor.
TJSD (shut down temperature)
TJ
cool down
ΔT
switch-on transmitter
t
CANH
CANL
t
TxD
t
RxD
t
Figure 8
4.5
Overtemperature protection
Delay time for mode change
The HS CAN transceiver TLE8250SJ changes the mode of operation within the time window tMode. Depending
on the selected mode of operation, the RxD output pin is set to logical “high” during the mode change.
In this case the RxD output does not reflect the status on the CANH and CANL input pins (see as an example
Figure 12 and Figure 13).
Datasheet
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TLE8250SJ
High speed CAN transceiver
General product characteristics
5
General product characteristics
5.1
Absolute maximum ratings
Table 3
Absolute maximum ratings voltages, currents and temperatures1)
All voltages with respect to ground; positive current flowing into pin;
(unless otherwise specified).
Parameter
Symbol
Values
Unit Note or Test Condition Number
Min.
Typ.
Max.
-0.3
–
6.0
V
–
P_6.1.1
CANH DC voltage versus GND VCANH
-40
–
40
V
–
P_6.1.2
CANL DC voltage versus GND VCANL
-40
–
40
V
–
P_6.1.3
Differential voltage between VCAN SDiff
CANH and CANL
-40
–
40
V
–
P_6.1.4
Voltages at the input pins:
NEN, NRM, TxD
VMAX_IN
-0.3
–
6.0
V
–
P_6.1.5
Voltages at the output pin:
RxD
VMAX_OUT
-0.3
–
VCC
V
–
P_6.1.6
IRxD
-20
–
20
mA
–
P_6.1.7
Junction temperature
Tj
-40
–
150
°C
–
P_6.1.8
Storage temperature
TS
-55
–
150
°C
–
P_6.1.9
ESD immunity at CANH, CANL VESD_HBM_CAN -10
versus GND
–
10
kV
HBM
(100 pF via 1.5 kΩ)2)
P_6.1.10
Voltages
Transmitter supply voltage
VCC
Currents
RxD output current
Temperatures
ESD resistivity
ESD immunity at all other
pins
VESD_HBM_ALL -2
–
2
kV
HBM
(100 pF via 1.5 kΩ)2)
P_6.1.11
ESD immunity to GND
VESD_CDM
–
750
V
CDM3)
P_6.1.12
-750
1) Not subject to production test, specified by design.
2) ESD susceptibility, Human Body Model “HBM” according to ANSI/ESDA/JEDEC JS-001.
3) ESD susceptibility, Charge Device Model “CDM” according to EIA/JESD22-C101 or ESDA STM5.3.1.
Note:
Datasheet
Stresses above the ones listed here may cause permanent damage to the device. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability. Integrated
protection functions are designed to prevent IC destruction under fault conditions described in the
data sheet. Fault conditions are considered as “outside” normal-operating range. Protection
functions are not designed for continuos repetitive operation.
14
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TLE8250SJ
High speed CAN transceiver
General product characteristics
5.2
Table 4
Functional range
Functional range
Parameter
Symbol
Values
Unit Note or Test Condition
Number
Min.
Typ.
Max.
VCC
4.5
–
5.5
V
–
P_6.2.1
Tj
-40
–
150
°C
1)
P_6.2.2
Supply voltages
Transmitter supply voltage
Thermal parameters
Junction temperature
1) Not subject to production test, specified by design.
Note:
Within the functional range the IC operates as described in the circuit description. The electrical
characteristics are specified within the conditions given in the related electrical characteristics
table.
5.3
Thermal resistance
Note:
This thermal data was generated in accordance with JEDEC JESD51 standards. For more
information, please visit www.jedec.org.
Table 5
Thermal resistance1)
Parameter
Symbol
Values
Unit Note or Test Condition
Number
Min.
Typ.
Max.
–
130
–
K/W
2)
P_6.3.2
Thermal resistances
Junction to ambient
PG-DSO-8
RthJA
Thermal Shutdown (junction temperature)
Thermal shutdown
temperature
TJSD
150
175
200
°C
–
P_6.3.3
Thermal shutdown
hysteresis
∆T
–
10
–
K
–
P_6.3.4
1) Not subject to production test, specified by design.
2) Specified RthJA value is according to Jedec JESD51-2,-7 at natural convection on FR4 2s2p board. The product
(TLE8250SJ) was simulated on a 76.2 × 114.3 × 1.5 mm3 board with 2 inner copper layers (2 × 70 µm Cu, 2 × 35 µm Cu).
Datasheet
15
Rev. 1.01
2020-02-14
TLE8250SJ
High speed CAN transceiver
Electrical characteristics
6
Electrical characteristics
6.1
Functional device characteristics
Table 6
Electrical characteristics
4.5 V < VCC < 5.5 V; RL = 60 Ω; -40 °C < Tj < 150°C; all voltages with respect to ground; positive current flowing
into pin; unless otherwise specified.
Parameter
Symbol
Values
Min.
Typ.
Max.
Unit Note or Test Condition
Number
Current consumption
Current consumption at VCC
normal-operating mode
ICC
–
2.6
5
mA
Recessive state,
VTxD = VNRM = VCC,
VNEN = 0 V
P_7.1.1
Current consumption at VCC
normal-operating mode
ICC
–
38
60
mA
Dominant state,
VTxD = VNEN = 0 V,
VNRM = VCC
P_7.1.2
Current consumption at VCC
receive-only mode
ICC(ROM)
–
2
3
mA
VNEN = VNRM = 0 V
P_7.1.3
Current consumption at VCC
power-save mode
ICC(PSM)
–
5
12
µA
VTxD = VNEN = VNRM = VCC
P_7.1.4
VCC undervoltage monitor
rising edge
VCC(UV,R)
3.8
4.0
4.3
V
–
P_7.1.5
VCC undervoltage monitor
falling edge
VCC(UV,F)
3.65
3.85
4.3
V
–
P_7.1.6
VCC undervoltage monitor
hysteresis
VCC(UV,H)
–
150
–
mV
1)
P_7.1.7
VCC undervoltage delay time tDelay(UV)
–
–
100
µs
1)
(see Figure 6)
P_7.1.8
Supply resets
Receiver output RxD
“High” level output current
IRD,H
–
-4
-2
mA
VRxD = VCC - 0.4 V,
VDiff < 0.5 V
P_7.1.9
“Low” level output current
IRD,L
2
4
–
mA
VRxD = 0.4 V,
VDiff > 0.9 V
P_7.1.10
Datasheet
16
Rev. 1.01
2020-02-14
TLE8250SJ
High speed CAN transceiver
Electrical characteristics
Table 6
Electrical characteristics (cont’d)
4.5 V < VCC < 5.5 V; RL = 60 Ω; -40 °C < Tj < 150°C; all voltages with respect to ground; positive current flowing
into pin; unless otherwise specified.
Parameter
Symbol
Values
Min.
Typ.
Max.
Unit Note or Test Condition
Number
Transmission input TxD
“High” level input voltage
threshold
VTxD,H
–
0.5 ×
VCC
0.7 ×
VCC
V
Recessive state
P_7.1.11
“Low” level input voltage
threshold
VTxD,L
0.3 ×
VCC
0.4 ×
VCC
–
V
Dominant state
P_7.1.12
Pull-up resistance
RTxD
10
25
50
kΩ
–
P_7.1.13
Input hysteresis
VHYS(TxD)
–
450
–
mV
1)
P_7.1.14
P_7.1.15
Input capacitance
CTxD
–
–
10
pF
1)
TxD permanent dominant
time-out
tTxD
4.5
–
16
ms
Normal-operating mode P_7.1.16
“High” level input voltage
threshold
VNEN,H
–
0.5 ×
VCC
0.7 ×
VCC
V
Power-save mode
“Low” level input voltage
threshold
VNEN,L
0.3 ×
VCC
0.4 ×
VCC
–
V
Normal-operating mode, P_7.1.18
receive-only mode
Pull-up resistance
RNEN
10
25
50
kΩ
–
P_7.1.19
Input capacitance
CNEN
–
–
10
pF
1)
P_7.1.20
P_7.1.21
Not enable input NEN
P_7.1.17
VHYS(NEN)
–
200
–
mV
1)
“High” level input voltage
threshold
VNRM,H
–
0.5 ×
VCC
0.7 ×
VCC
V
Normal-operating mode, P_7.1.22
power-save mode
“Low” level input voltage
threshold
VNRM,L
0.3 ×
VCC
0.4 ×
VCC
–
V
Receive-only mode,
power-save mode
P_7.1.23
Pull-up resistance
RNRM
10
25
50
kΩ
–
P_7.1.24
pF
1)
P_7.1.25
P_7.1.26
Input hysteresis
Not receive-only input NRM
Input capacitance
CNRM
–
–
10
–
200
–
mV
1)
Differential receiver
VDiff_D
threshold dominant
normal-operating mode and
receive-only mode
–
0.75
0.9
V
2)
P_7.1.27
Differential receiver
VDiff_R
threshold recessive
normal-operating mode and
receive-only mode
0.5
0.66
–
V
2)
P_7.1.28
–
8.0
V
1) 2)
P_7.1.29
Input hysteresis
VNRM(HYS)
Bus receiver
Differential range dominant
Normal-operating mode
Datasheet
VDiff_D_Range 0.9
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TLE8250SJ
High speed CAN transceiver
Electrical characteristics
Table 6
Electrical characteristics (cont’d)
4.5 V < VCC < 5.5 V; RL = 60 Ω; -40 °C < Tj < 150°C; all voltages with respect to ground; positive current flowing
into pin; unless otherwise specified.
Parameter
Symbol
Values
Min.
Unit Note or Test Condition
Typ.
Max.
Number
Differential range recessive
Normal-operating mode
VDiff_R_Range -3.0
–
0.5
V
1) 2)
P_7.1.30
Common mode range
CMR
–
12
V
VCC = 5 V
P_7.1.31
P_7.1.32
-12
Differential receiver
VDiff,hys
hysteresis normal-operating
mode
–
90
–
mV
1)
CANH, CANL input resistance Ri
10
20
30
kΩ
Recessive state
P_7.1.33
Differential input resistance
20
40
60
kΩ
Recessive state
P_7.1.34
Recessive state
P_7.1.35
RDiff
Input resistance deviation
between CANH and CANL
∆Ri
-1
–
1
%
1)
Input capacitance CANH,
CANL versus GND
CIn
–
20
40
pF
1)
VTxD = VCC
P_7.1.36
Differential input
capacitance
CInDiff
–
10
20
pF
1)
VTxD = VCC
P_7.1.37
CANL/CANH recessive
output voltage
normal-operating mode
VCANL/H
2.0
2.5
3.0
V
VTxD = VCC,
no load
P_7.1.38
CANH, CANL recessive
output voltage difference
normal-operating mode
VDiff_NM
-500
–
50
mV
VTxD = VCC,
no load
P_7.1.39
CANL dominant
output voltage
normal-operating mode
VCANL
0.5
–
2.25
V
VTxD = 0 V
P_7.1.40
CANH dominant
output voltage
normal-operating mode
VCANH
2.75
–
4.5
V
VTxD = 0 V
P_7.1.41
CANH, CANL dominant
output voltage difference
normal-operating mode
according to
ISO 11898-2:2016
VDiff = VCANH - VCANL
VDiff
1.5
–
3.0
V
VTxD = 0 V,
50 Ω < RL < 65 Ω,
4.75 < VCC < 5.25 V
P_7.1.42
CANH, CANL dominant
output voltage difference
normal-operating mode
VDiff = VCANH - VCANL
VDiff_EXT
1.4
–
3.3
V
VTxD = 0 V,
45 Ω < RL < 70 Ω,
4.75 < VCC < 5.25 V
P_7.1.43
Bus transmitter
Datasheet
18
Rev. 1.01
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TLE8250SJ
High speed CAN transceiver
Electrical characteristics
Table 6
Electrical characteristics (cont’d)
4.5 V < VCC < 5.5 V; RL = 60 Ω; -40 °C < Tj < 150°C; all voltages with respect to ground; positive current flowing
into pin; unless otherwise specified.
Parameter
Symbol
Values
Unit Note or Test Condition
Min.
Typ.
Max.
Number
Differential voltage
dominant high extended
bus load
Normal-operating mode
VDiff_HEX_BL
1.5
–
5.0
V
1)
VTxD = 0 V,
RL = 2240Ω,
4.75 V < VCC < 5.25 V,
static behavior
P_7.1.44
Driver dominant symmetry
normal-operating mode
VSYM = VCANH + VCANL
VSYM
4.5
5
5.5
V
VCC = 5.0 V,
VTxD = 0 V
P_7.1.45
CANL short circuit current
ICANLsc
40
75
100
mA
VCANLshort = 18 V,
VCC = 5.0 V, t < tTxD,
VTxD = 0 V
P_7.1.46
CANH short circuit current
ICANHsc
-100
-75
-40
mA
VCANHshort = -3 V,
VCC = 5.0 V, t < tTxD,
VTxD = 0 V
P_7.1.47
Leakage current, CANH
ICANH,lk
-5
–
5
µA
VCC = 0 V,
0 V < VCANH < 5 V,
VCANH=VCANL
P_7.1.48
Leakage current, CANL
ICANL,lk
-5
–
5
µA
VCC = 0 V,
0 V < VCANL < 5 V,
VCANH=VCANL
P_7.1.49
Dynamic CAN-transceiver characteristics
Propagation delay
TxD-to-RxD “low”
(“recessive to dominant)
tLoop(H,L)
–
170
230
ns
CL = 100 pF,
4.75 V < VCC < 5.25 V,
CRxD = 15 pF
P_7.1.50
Propagation delay
TxD-to-RxD “high”
(dominant to recessive)
tLoop(L,H)
–
170
230
ns
CL = 100 pF,
4.75 V < VCC < 5.25 V,
CRxD = 15 pF
P_7.1.51
Propagation delay
TxD “low” to bus dominant
td(L),T
–
90
140
ns
CL = 100 pF,
4.75 V < VCC < 5.25 V,
CRxD = 15 pF
P_7.1.52
Propagation delay
TxD “high” to bus recessive
td(H),T
–
90
140
ns
CL = 100 pF,
4.75 V < VCC < 5.25 V,
CRxD = 15 pF
P_7.1.53
Propagation delay
bus dominant to RxD “low”
td(L),R
–
90
140
ns
CL = 100 pF,
4.75 V < VCC < 5.25 V,
CRxD = 15 pF
P_7.1.54
Propagation delay
bus recessive to RxD “high”
td(H),R
–
90
140
ns
CL = 100 pF,
4.75 V < VCC < 5.25 V,
CRxD = 15 pF
P_7.1.55
Delay times
Datasheet
19
Rev. 1.01
2020-02-14
TLE8250SJ
High speed CAN transceiver
Electrical characteristics
Table 6
Electrical characteristics (cont’d)
4.5 V < VCC < 5.5 V; RL = 60 Ω; -40 °C < Tj < 150°C; all voltages with respect to ground; positive current flowing
into pin; unless otherwise specified.
Parameter
Symbol
Values
Unit Note or Test Condition
Number
Min.
Typ.
Max.
–
–
20
µs
1)
Received recessive bit width tBit(RxD)_2MB 430
at 2 MBit/s
500
530
ns
CL = 100 pF,
P_7.1.57
4.75 V < VCC < 5.25 V,
CRxD = 15 pF, tBit = 500 ns,
(see Figure 11)
Delay time for mode change tMode
(see Figure 12 and
Figure 13)
P_7.1.56
CAN FD Characteristics
Transmitted recessive bit
width
at 2 MBit/s
tBit(Bus)_2MB
450
500
530
ns
CL = 100 pF,
P_7.1.58
4.75 V < VCC < 5.25 V,
CRxD = 15 pF, tBit = 500 ns,
(see Figure 11)
Receiver timing symmetry
at 2 MBit/s
∆tRec = tBit(RxD) - tBit(Bus)
∆tRec_2MB
-45
–
20
ns
CL = 100 pF,
P_7.1.59
4.75 V < VCC < 5.25 V,
CRxD = 15 pF, tBit = 500 ns,
(see Figure 11)
1) Not subject to production test, specified by design.
2) In respect to the common mode range.
Datasheet
20
Rev. 1.01
2020-02-14
TLE8250SJ
High speed CAN transceiver
Electrical characteristics
6.2
Diagrams
NRM
7
CANH
TxD
NEN
CL
5
1
8
RL
RxD
6
4
CRxD
CANL
GND
VCC
3
100 nF
2
Figure 9
Test circuits for dynamic characteristics
TxD
0.7 x VCC
0.3 x VCC
t
td(L),T
td(H),T
VDiff
0.9 V
0.5 V
t
td(L),R
td(H),R
tLoop(H,L)
tLoop(L,H)
RxD
0.7 x VCC
0.3 x VCC
t
Figure 10
Datasheet
Timing diagrams for dynamic characteristics
21
Rev. 1.01
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TLE8250SJ
High speed CAN transceiver
Electrical characteristics
TxD
0.7 x VCC
0.3 x VCC
0.3 x VCC
5 x tBit
VDiff
tBit
t
tLoop(H,L)
tBit(Bus)
VDiff = VCANH - VCANL
0.9 V
0.5 V
t
tLoop(L,H)
tBit(RxD)
RxD
0.7 x VCC
0.3 x VCC
t
Figure 11
Datasheet
Recessive bit width - five dominant bits followed by one recessive bit
22
Rev. 1.01
2020-02-14
TLE8250SJ
High speed CAN transceiver
Application information
7
Application information
7.1
ESD robustness according to IEC61000-4-2
Tests for ESD robustness according to IEC61000-4-2 “Gun test” (150 pF, 330 Ω) have been performed.
The results and test conditions are available in a separate test report.
Table 7
ESD robustness according to IEC61000-4-2
Performed test
Result
Unit
Remarks
Electrostatic discharge voltage at pin CANH and ≥ +8
CANL versus GND
kV
1)
Positive pulse
Electrostatic discharge voltage at pin CANH and ≤ -8
CANL versus GND
kV
1)
Negative pulse
1) ESD susceptibility “ESD GUN” according to GIFT / ICT paper: “EMC Evaluation of CAN Transceivers, version
03/02/IEC TS62228”, section 4.3. (DIN EN61000-4-2)
Tested by external test facility (IBEE Zwickau).
Datasheet
23
Rev. 1.01
2020-02-14
TLE8250SJ
High speed CAN transceiver
Application information
7.2
Application example
VBAT
I
Q1
22 uF
TLE4476D
CANH
CANL
GND
EN
100 nF
Q2
3
VCC
22 uF
120
Ohm
100 nF
TLE8250SJ
NEN
7
CANH
6
TxD
RxD
CANL
optional:
common mode choke
NRM
8
1
4
5
Out
Out
In
VCC
Microcontroller
e.g. XC22xx
Out
GND
GND
2
I
Q1
22 uF
TLE4476D
EN
GND
100 nF
Q2
3
VCC
22 uF
100 nF
TLE8250SJ
7
6
NEN
CANH
TxD
RxD
CANL
optional:
common mode choke
NRM
120
Ohm
8
1
4
5
Out
Out
In
VCC
Microcontroller
e.g. XC22xx
Out
GND
GND
2
CANH
CANL
example ECU design
Figure 12
Datasheet
Application circuit
24
Rev. 1.01
2020-02-14
TLE8250SJ
High speed CAN transceiver
Application information
7.3
Examples for mode changes
Changing the status on the NRM or NEN input pin triggers a change of the operating mode, disregarding the
actual signal on the CANH, CANL and TxD pins (see also Chapter 3.2).
Mode changes are triggered by the NRM pin and NEN pin, when the device TLE8250SJ is fully supplied. Setting
the NEN pin to logical “low” and the NRM pin to logical “high” changes the mode of operation to
normal-operating mode:
•
The mode change is executed independently of the signal on the HS CAN bus. The CANH, CANL inputs may
be either dominant or recessive. They can be also permanently shorted to GND or VCC.
•
A mode change is performed independently of the signal on the TxD input. The TxD input may be either
logical “high” or “low”.
Analog to that, changing the NEN input pin to logical “high” changes the mode of operation to the power-save
mode. Changing the NEN input pin and the NRM input pin to logical “low” changes the mode of operation to
the receive-only mode. Both mode changes are independent on the signals at the CANH, CANL and TxD pins.
Notes
1. In case the TxD signal is “low” setting the NRM input pin to logical “high” and the NEN input pin to logical
“low” changes the device to normal-operating mode and drives a dominant signal to the HS CAN bus”.
2. The TxD time-out is only effective in normal-operating mode. The TxD time-out timer starts when the
TLE8250SJ enters normal-operating mode and the TxD input is set to logical “low”.
Datasheet
25
Rev. 1.01
2020-02-14
TLE8250SJ
High speed CAN transceiver
Application information
7.3.1
Mode change while the TxD signal is “low”
The example in Figure 13 shows a mode change to normal-operating mode while the TxD input is logical
“low”. The HS CAN signal is recessive, assuming all other HS CAN bus subscribers are also sending a recessive
bus signal.
While the transceiver TLE8250SJ is in power-save mode, the transmitter and the normal-mode receiver are
turned off. The TLE8250SJ drives no signal to the HS CAN bus nor does it receive any signal from the HS CAN
bus. Changing the NEN to logical “low” turns the mode of operation to normal-operating mode, while the TxD
input signal remains logical “low”. The transmitter and the normal-mode receiver remain disabled until the
mode transition is completed. In normal-operating mode the transceiver and the normal-mode receiver are
active. The “low” signal on the TxD input drives a dominant signal to the HS CAN bus and the RxD output pin
becomes logical “low”, following the dominant signal on the HS CAN bus.
Changing the mode of operation from normal-operating mode to receive-only mode by setting the NRM input
pin to “low”, disables the transmitter and the TxD input, but the normal-mode receiver and the RxD output
remain active. The HS CAN bus becomes recessive since the transmitter is disabled. The RxD input indicates
the recessive HS CAN bus signal by a logical “high” output signal (see also the example in Figure 13).
Mode changes between the power-save mode on the one side and the normal-operating mode or the
receive-only mode on the other side, disable the transmitter and the normal-mode receiver. No signal can be
driven to the HS CAN bus nor can it be received from the HS CAN bus. Mode changes between the
normal-operating mode and the receive-only mode disable the transmitter and the normal mode receiver
remains active. The HS CAN transceiver TLE8250SJ monitors the HS CAN bus also during the mode transition
from normal-operating mode to receive-only mode and vice versa.
7.3.2
Mode change while the bus signal is dominant
The example in Figure 14 shows a mode change while the bus is dominant and the TxD input signal is set to
logical “high”.
While the transceiver TLE8250SJ is in power-save mode, the transmitter and the normal-mode receiver are
turned off. The TLE8250SJ drives no signal to the HS CAN bus nor does it receive any signal from the HS CAN
bus. Changing the NEN to logical “low” turns the mode of operation to normal-operating mode, while the TxD
input signal remains logical “high”. The transmitter and the normal-mode receiver remain disabled until the
mode transition is completed. In normal-operating mode the transceiver and the receiver are active and
therefor the RxD output changes to logical “low” indicating the dominant signal on the HS CAN bus.
Changing the mode of operation from normal-operating mode to receive-only mode by setting the NRM input
pin to “low”, disables the transmitter and the TxD input, but the normal-mode receiver and the RxD output
remain active. Since the dominant signal on the HS CAN bus is driven by another HS CAN bus subscriber, the
bus remains dominant and the RxD input indicates the dominant HS CAN bus signal by a logical “low” output
signal (see also the example in Figure 14).
Datasheet
26
Rev. 1.01
2020-02-14
TLE8250SJ
High speed CAN transceiver
Application information
Note: The signals on the HS CAN bus are “recessive”, the “dominant” signal is
generated by the TxD input signal
t = tMode
t = tMode
NEN
t = tMode
t
t = tMode
NRM
t
TxD
t
VDIFF
t
RxD
power-save
transition
normal-mode
receiver blocked
RxD output
blocked
TxD input and transmitter
blocked
Figure 13
Datasheet
normal-operating
transition
receive-only
transition
normal-operating
normal-mode receiver and RxD output active
TxD input and transmitter
active
TxD input and transmitter blocked
TxD input and transmitter
active
transition
t
power-save
RxD output
blocked
normal-mode
receiver blocked
TxD input and transmitter
blocked
Example for a mode change while the TxD is “low”
27
Rev. 1.01
2020-02-14
TLE8250SJ
High speed CAN transceiver
Application information
Note: The “dominant” signal on the HS CAN bus is set by another HS CAN bus subscriber.
t = tMode
t = tMode
NEN
t = tMode
t
t = tMode
NRM
t
TxD
t
VDIFF
t
RxD
power-save
transition
normal-mode
receiver blocked
RxD output
blocked
TxD input and transmitter
blocked
Figure 14
7.4
normal-operating
transition
receive-only
transition
normal-mode receiver and RxD output active
TxD input and transmitter
active
TxD input and transmitter blocked
TxD input and transmitter
active
transition
t
power-save
RxD output
blocked
normal-mode
receiver blocked
TxD input and transmitter
blocked
Example for a mode change while the HS CAN is dominant
Further application information
•
Please contact us for information regarding the pin FMEA.
•
Existing application note.
•
For further information you may visit: http://www.infineon.com/
Datasheet
normal-operating
28
Rev. 1.01
2020-02-14
TLE8250SJ
High speed CAN transceiver
Package information
Package information
0.1
2)
0.41+0.1
-0.06
0.2
8
5
1
4
5 -0.2 1)
M
0.19 +0.06
C
B
8 MAX.
1.27
0.35 x 45˚
4 -0.2 1)
1.75 MAX.
0.175 ±0.07
(1.45)
8
0.64 ±0.25
6 ±0.2
A B 8x
0.2
M
C 8x
A
Index Marking
1) Does not include plastic or metal protrusion of 0.15 max. per side
2) Lead width can be 0.61 max. in dambar area
Figure 15
GPS01181
PG-DSO-8 (plastic dual small outline)1)
Green Product (RoHS compliant)
To meet the world-wide customer requirements for environmentally friendly products and to be compliant
with government regulations the device is available as a green product. Green products are RoHS-compliant
(i.e. Pb-free finish on leads and suitable for Pb-free soldering according to IPC/JEDEC J-STD-020).
Further information on packages
https://www.infineon.com/packages
1) Dimensions in mm
Datasheet
29
Rev. 1.01
2020-02-14
TLE8250SJ
High speed CAN transceiver
Revision history
9
Revision history
Revision
Date
Changes
1.01
2020-02-14
Datasheet updated: editorial changes.
1.0
2016-07-15
Datasheet created.
Datasheet
30
Rev. 1.01
2020-02-14
Trademarks
All referenced product or service names and trademarks are the property of their respective owners.
Edition 2020-02-14
Published by
Infineon Technologies AG
81726 Munich, Germany
© 2020 Infineon Technologies AG.
All Rights Reserved.
Do you have a question about any
aspect of this document?
Email: erratum@infineon.com
Document reference
Z8F55233326
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