TLE9371SJ [INFINEON]
WK;
| 型号： | TLE9371SJ |
| 厂家： | 
Infineon |
| 描述： | WK |
| 文件： | 总35页 (文件大小：867K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
TLE9371SJ
CAN signal improvement transceiver
Features
•
•
•
•
•
•
•
•
•
•
•
•
•
Compliant to ISO 11898-2:2016, SAE J2284-4/-5
Tx-based CAN FD SIC according to CiA 601-4
Loop delay symmetry for CAN FD data frames up to 8 Mbit/s
Standby mode with minimized quiescent current
Wake-up indication on the RxD output
Wide common mode range for electromagnetic immunity (EMI)
Excellent ESD robustness ±8 kV HBM and IEC 61000-4-2
CAN short circuit proof to ground, battery and VCC
TxD timeout function
Very low CAN bus leakage current in power-down state
Overtemperature protection
Protected against automotive transients according to ISO 7637 and SAE J2962-2
Green Product (RoHS compliant)
Potential applications
•
•
•
•
•
Gateway module
Body control module (BCM)
Engine control unit (ECU)
ADAS
Radar
Product validation
Qualified for automotive applications. Product validation according to AEC-Q100.
Description
The TLE9371SJ is the first high-speed CAN transceiver generation with signal improvement, used in
HS Controller Area Networks (CAN) for automotive applications and also for industrial applications. It is
designed to fulfill the requirements of ISO 11898-2 (2016) physical layer specification as well as SAE J1939 and
SAE J2284.
The TLE9371SJ is available in a halogen free and RoHS compliant PG-DSO-8 package.
Datasheet
1.0
2023-02-28
www.infineon.com/automotive-transceiver
1
TLE9371SJ
CAN signal improvement transceiver
As an interface between the physical bus layer and the HS CAN, the TLE9371SJ protects the microcontroller
against interference generated in the network. A very high ESD robustness and the optimized RF immunity
allows the use in automotive applications without additional protection devices, such as suppressor diodes
or common mode chokes.
While the TLE9371SJ is not supplied the transmitter is switched off and behaves passive with the lowest
possible load to all other nodes of the HS CAN.
Based on the high symmetry of the CANH and CANL output signals, the TLE9371SJ provides very low
electromagnetic emission (EME) within a wide frequency range. The TLE9371SJ fulfills stringent EMC test
limits without additional external circuitry, such as a common mode choke.
Due to the excellent symmetry combined with the optimized delay symmetry of the receiver the TLE9371SJ
supports CAN FD data frames. Depending on the size of the network and its parasitic effects the device
supports a transmission rate up to 8 Mbit/s.
Dedicated low-power modes, like standby mode require very low quiescent current while the device is
powered up. In standby mode the typical quiescent current on VCC is below 10 µA while the device can still
wake up from a bus signal on the HS CAN bus.
Fail-safe features such as overtemperature protection, output current limitation and the TxD timeout feature
protect the TLE9371SJ and the external circuitry from damage.
Type
Package
Marking
TLE9371SJ
PG-DSO-8
9371
Datasheet
2
1.0
2023-02-28
TLE9371SJ
CAN signal improvement transceiver
Table of contents
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Potential applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Product validation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Table of contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
1
Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
2
2.1
2.2
Pin configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Pin assignment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Pin definitions and functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
3
High-speed CAN functional description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
3.1
High-speed CAN physical layer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
4
Modes of operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Normal-operating mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Standby mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Power-down state . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Bus wake-up pattern (WUP) detection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Bus wake-up pattern (WUP) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
RxD pin wake-up behavior . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
4.1
4.2
4.3
4.4
4.4.1
4.4.2
5
Fail safe functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Short circuit protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Unconnected logic input pins . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
5.1
5.2
5.3
5.4
5.5
5.6
V
CC undervoltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
TxD timeout function . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Delay time for mode change . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Overtemperature protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
6
General product characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Functional range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Thermal resistance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
6.1
6.2
6.3
7
Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Power supply interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Current consumption . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Undervoltage detection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
CAN controller interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Receiver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Transmitter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Dynamic transceiver parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
7.1
7.1.1
7.1.2
7.2
7.3
7.4
7.5
7.6
8
Application information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
ESD robustness according to IEC 61000-4-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Application example . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Further application information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
8.1
8.2
8.3
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CAN signal improvement transceiver
9
Package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
10
Datasheet
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TLE9371SJ
CAN signal improvement transceiver
Block diagram
1
Block diagram
3
VCC
1
8
7
TxD
STB
CANH
CANL
Timeout
Driver
SIC
Transmitter
Temp-
6
Protection
Mode
Control
Receiver
Normal-mode Receiver
4
Mux
RxD
Wake-
Logic &
Filter
Low-power Receiver
GND
VCC/2
VCC
=
N.C.
Bus-biasing
5
GND
N.C.
2
Figure 1
Block diagram
Datasheet
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TLE9371SJ
CAN signal improvement transceiver
Pin configuration
2
Pin configuration
2.1
Pin assignment
1
2
3
4
8
7
6
5
STB
CANH
CANL
TxD
GND
VCC
RxD
N.C
Figure 2
Pin configuration
2.2
Pin definitions and functions
Table 1
Pin No.
1
Pin definitions and functions
Symbol
Function
TxD
Transmit data input;
Internal pull-up to VCC, “low” for dominant state.
2
3
GND
Ground
VCC
Transmitter supply voltage;
1 uF decoupling capacitor to GND required.
4
5
6
7
8
RxD
Receive data output;
“Low” in dominant state.
N.C.
Not connected;
Pin has no function and is not connected internally.
CANL
CANH
STB
CAN bus low level I/O;
“Low” in dominant state.
CAN bus high level I/O;
“High” in dominant state.
Standby input;
Internal pull-up to VCC, “low” for normal-operating mode.
Datasheet
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TLE9371SJ
CAN signal improvement transceiver
High-speed CAN functional description
3
High-speed CAN 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 specifications of a
CAN. The CAN transceiver is part of the physical layer. The TLE9371SJ is a high-speed CAN transceiver with a
dedicated bus wake-up function as defined in the latest ISO 11898-2 HS CAN standard.
3.1
High-speed CAN physical layer
TxD
VCC
=
=
Transmitter supply voltage
Transmit data input from
the microcontroller
TxD
VCC
RxD
=
Receive data output to
the microcontroller
CANH = Bus level on the CANH
input/output
CANL =
Bus level on the CANL
input/output
t
t
VDiff
=
Differential voltage
between CANH and CANL
CANH
CANL
VCC
VDiff = VCANH – VCANL
VDiff
VCC
“dominant” receiver threshold
“recessive” receiver threshold
t
RxD
VCC
tLoop
tLoop
t
Figure 3
High-speed CAN bus signals and logic signals
Datasheet
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TLE9371SJ
CAN signal improvement transceiver
High-speed CAN functional description
The TLE9371SJ is a high-speed CAN transceiver, operating as an interface between the CAN controller and the
physical bus medium. A HS CAN is a two wire, differential network, which allows data transmission rates up to
8 Mbit/s. The characteristic for a HS CAN is that the logical high level and logical low level (microcontroller
interface) are converted into a differential signal (CAN bus interface) with the states dominant and recessive,
see Figure 3.
The CANH and CANL pins are the interface to the CAN bus and both pins operate as an input and output. The
RxD and TxD pins are the interface to the microcontroller. The pin TxD is the serial data input from the CAN
controller, the RxD pin is the serial data output to the CAN controller. The device includes a receiver and a
transmitter unit, allowing the transceiver to send data to the bus medium and monitor the data from the bus
medium at the same time, see Figure 1. The device converts the serial data stream from the transmit data
input TxD, into a differential output signal on the CAN bus, provided by the CANH and CANL pins. The receiver
stage of the device monitors the data on the CAN bus and converts them to a serial, single-ended signal on the
RxD output pin. A “low” signal on the TxD pin creates a dominant signal on the CAN bus. The receiver converts
this dominant signal to a “low” signal on the RxD pin, see Figure 3. The feature of broadcasting data to the CAN
bus and listening to the data traffic on the CAN bus simultaneously is essential to support the bit-to-bit
arbitration within the network.
The voltage levels for HS CAN transceivers are defined in ISO 11898-2. Whether a data bit is dominant or
recessive depends on the voltage difference between the CANH and CANL pins:
VDiff = VCANH - VCANL.
For a dominant signal on the CAN bus the high-speed transceiver creates a differential signal of VDiff ≥ 1.5 V. To
receive a recessive signal from the CAN bus the amplitude of the differential VDiff ≤ 0.5 V.
In a partially supplied high-speed CAN, the CAN bus nodes have different power supply conditions. Some
nodes are connected to the common power supply while other nodes are disconnected from the power supply
and in power-down state. Regardless of whether the CAN bus node is supplied or not, each node connected to
the common bus media must not interfere with the communication. The device supports partially-supplied
networks. In power-down state, the receiver input resistors are switched off and the transceiver input has a
high resistance.
For permanently supplied ECUs, the HS CAN transceiver, the device provides a stand-by mode. In stand-by
mode, the power consumption of the device is optimized to a minimum, while the device is still able to
recognize wake-up patterns on the CAN bus and signal the wake-up event to the external microcontroller.
The voltage level on the digital input TxD and on the digital output RxD is determined by the power supply
level at the VCC pin. Depending on the voltage level at the VCC pin, the signal levels on the logic pins (STB, TxD
and RxD) are compatible with microcontrollers having a 5 V I/O supply.
Datasheet
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TLE9371SJ
CAN signal improvement transceiver
Modes of operation
4
Modes of operation
The device supports the following modes of operation, see Figure 4:
•
•
Normal-operating mode
Standby mode
The mode selection input pin STB triggers mode changes. If a wake-up event occurs on the HS CAN bus, then
the device indicates that on the RxD output pin in stand-by mode, but it does not trigger a mode change. An
power-down event on the supply VCC powers down the device.
STB = 0
AND
tmode expired
Normal-
Standby
operating
mode
mode
STB = 1
AND
tmode expired
VCC is in the
functional range
for at least tPON
Power-down
Any mode
state
VCC < VCC_POD
Figure 4
Mode state diagram
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TLE9371SJ
CAN signal improvement transceiver
Modes of operation
4.1
Normal-operating mode
In normal-operating mode all functions of the device are available and the device is fully functional. Data can
be received from the HS CAN bus as well as be transmitted to the HS CAN bus.
•
•
•
•
•
•
The transmitter is enabled and drives data stream on the TxD input pin to the bus pins CANH and CANL
The receiver is enabled and converts the signals from the bus to a serial data stream on the RxD output pin
The bus biasing is connected to VCC/2 if VCC > VCC_UV
The TxD timeout function is enabled, see Chapter 5.4
The overtemperature protection is enabled, see Chapter 5.6
The undervoltage detection on VCC is enabled, see Chapter 5.3
Conditions for entering normal-operating mode of the device:
•
If VCC > VCC_POD and the STB pin is “low”, then the device enters normal-operating mode after tMode from
standby mode, see Figure 4
If a “low” signal is applied on TxD input pin during a mode change to normal-operating mode, device disables
the transmitter as long as “low” signal is applied on the TxD input pin. If a “high” signal is applied on the TxD
input pin for at least tTxD_rel, then the device enables the transmitter, see Figure 5.
Mode
TxD
Any Mode
Normal-operating Mode
0.7 x
VCC
tTxD_rel
t
disabled
enabled
Transmitter
Mode
TxD
Any Mode
Normal-operating Mode
t
disabled
enabled
Transmitter
Figure 5
Mode change to normal-operating mode with dominant signal on TxD
Datasheet
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TLE9371SJ
CAN signal improvement transceiver
Modes of operation
4.2
Standby mode
The standby mode is the low-power mode of the device. In standby mode the following functions are defined:
•
The transmitter is disabled and does not drive the data stream on the TxD input pin to the bus pins CANH
and CANL
•
•
•
•
•
•
•
The normal-mode receiver is disabled and the data available on the bus is blocked.
The device monitors the CAN bus for a valid wake-up pattern, see Chapter 4.4.
The RxD output pin indicates a CAN bus wake-up, see Chapter 4.4.2
Bus biasing is connected to GND
TxD dominant timeout function is disabled
The overtemperature protection is disabled
The undervoltage detection on VCC is disabled, see Chapter 5.3
Conditions for entering standby mode of the device:
•
If VCC > VCC_POD and the STB pin is “high”, then the device enters standby mode after tMode from normal-
operation mode
•
If VCC is in the functional rage for at least tPON, then the device enters standby mode from power-down state
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TLE9371SJ
CAN signal improvement transceiver
Modes of operation
4.3
Power-down state
In power-down state the device is not functional and has the following behavior:
•
•
•
•
•
•
The transmitter and receiver are disabled
The bus biasing is set to high impedance
The TxD timeout function is disabled
The overtemperature protection is disabled
The undervoltage detection on VCC is disabled
RxD follows the VCC voltage
Conditions for entering power-down state of the device:
•
V
CC is below the VCC_POD threshold
VCC
V
CC is in the functional
range
VCC_POD
tPON
t
Any mode of operation
Power-down State
Stand-by State
Figure 6
Power-down and power-up behavior
Datasheet
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TLE9371SJ
CAN signal improvement transceiver
Modes of operation
4.4
Bus wake-up pattern (WUP) detection
The device has implemented the bus wake-up mechanism according to ISO 11898-2:2016. In standby mode
the low power receiver monitors the activity on the CAN bus and in case it detects a wake-up pattern, it
indicates the wake-up signal on the RxD output pin. A wake-up event does not trigger a mode change. The
device remains in standby mode until the microcontroller has requested a mode change to the normal-
operating mode.
4.4.1
Bus wake-up pattern (WUP)
The wake-up pattern contains a dominant signal with the pulse width tFilter, followed by a recessive signal with
the pulse width tFilter and another dominant signal with the pulse width tFilter. tWake starts at the first valid
dominant pulse (pulse width > tFilter). The subsequent recessive and dominant pulse must occur within tWake to
fulfill a wake-up pattern, see Figure 7. As long as the device does not detect a wake-up event, the RxD output
remains “high”.
t < tWake
VDiff
Min(VDiff_D_STB_Range
)
t > tFilter
t > tFilter
Max(VDiff_R_STB_Range
)
t > tFilter
t
wake-up
detected
Figure 7
Remote wake-up signal
4.4.2
RxD pin wake-up behavior
If the device detects a wake-up event, then it sets the RxD output pin to “low” and then the RxD output follows
the CAN bus signal with the delay of tWU as long as the pulse width exceeds the filter time tFilter, see Figure 8.
Datasheet
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TLE9371SJ
CAN signal improvement transceiver
Modes of operation
VDiff
tWU
t < tFilter
Min(VDiff_D_STB_Range
)
t > tFilter
tWU
t > tFilter
tWU
t > tFilter
Max(VDiff_R_STB_Range
)
t < tFilter
t
t
VRxD
70% of VCC
30% of VCC
wake-up
detected
Figure 8
RxD signal follows the CAN bus signal
If at least one of the following conditions is fulfilled, then the device disables the RxD pin wake up behavior:
•
•
A mode change to normal-operating mode is performed during a wake-up pattern
The voltage supply VCC < VCC_POD
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TLE9371SJ
CAN signal improvement transceiver
Fail safe functions
5
Fail safe functions
5.1
Short circuit protection
The CANH and CANL bus pins are proven to cope with a short circuit fault against GND and against the supply
voltages. A current limiting circuit protects the transceiver against damages. If the device heats up due to a
continuous short on the CANH or CANL pin, the internal overtemperature protection switches off the bus
transmitter.
5.2
Unconnected logic input pins
If the input pins are not connected and floating, then the integrated pull-up resistors at the digital input pins
force the device into fail safe behavior, see .
Table 2
Input signal
TxD
Unconnected logical input pins
Default state
“High”
Comment
Pull-up resistor to VCC
Pull-up resistor to VCC
STB
“High”
5.3
VCC undervoltage
If VCC < VCC_UV, then the VCC supply of the transceiver is in undervoltage condition with the following functions
independent of the transceiver mode, see Figure 9:
•
•
Transmitter is deactivated
The bus biasing is set to GND
VCC
tVCC_UV_filter
VCC_UV
tVCC_recovery
VCC_POD
t
Transmitter
Enabled
1)
Disabled
Enabled
1)
CANH
CANL
Bus Biasing = GND
1) Functionallity depents on Mode of operation
Figure 9
Undervoltage on the transmitter supply VCC
5.4
TxD timeout function
If the logical signal on the TxD pin is permanently “low”, then the TxD timeout feature protects the CAN bus
from blocked communication due to this errant logic signal. A permanent “low” signal on the TxD pin can
occur due to a locked-up microcontroller or in a short circuit on the printed circuit board, for example. In
normal-operating mode, a “low” signal on the TxD pin for the time t > tTXD_TO enables the TxD timeout feature
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TLE9371SJ
CAN signal improvement transceiver
Fail safe functions
and the device disables the transmitter, see Figure 10. The receiver is still active and the RxD output pin
continues monitoring data on the bus.
TxD
t
t > tTxD
TxD time–out released
TxD time-out
CANH
CANL
t
t
RxD
Figure 10 TxD timeout function
5.5
Delay time for mode change
The HS CAN transceiver device changes the mode of operation within the time window tMode. During the mode
change from standby mode to a non-low power mode the device sets the RxD output to “high” and RxD does
not reflect the status on the CANH and CANL input pins.
5.6
Overtemperature protection
The device has an integrated overtemperature detection to protect the device against thermal overstress of
the transmitter. The overtemperature protection is only active in normal-operating mode. If an
overtemperature condition (TJunction ≥ TJSD) occurs, then the temperature sensor disables the transmitter while
the transceiver remains in normal-operating mode. After the device cools down (TJunction < TJSD) the device
activates the transmitter again, see Figure 11. A hysteresis is implemented within the temperature sensor.
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TLE9371SJ
CAN signal improvement transceiver
Fail safe functions
TJSD (shut down temperature)
cool down
TJ
ΔT
switch-on transmitter
t
t
CANH
CANL
TxD
RxD
t
t
Figure 11 Overtemperature protection
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TLE9371SJ
CAN signal improvement transceiver
General product characteristics
6
General product characteristics
6.1
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.
Voltages
Transmitter supply voltage
VCC
-0.3
-40
–
–
6.0
40
V
V
–
P_7.1.1
P_7.1.3
CANH and CANL DC voltage
versus GND
VCANH
–
–
–
–
Differential voltage between VCAN_Diff
CANH and CANL
-40
–
–
–
40
V
V
V
P_7.1.4
P_7.1.8
P_7.1.10
Voltages at the digital I/O pins: VMAX_IO
STB, TxD
-0.3
-0.3
6.0
Voltages at the digital I/O pins: VMAX_RxD
VCC+0.3
RxD
Currents
RxD output current
Temperatures
IRxD
-5
–
5
mA
–
P_7.1.11
Junction temperature
Storage temperature
ESD robustness
Tj
-40
-55
–
–
150
150
°C
°C
–
–
P_7.1.12
P_7.1.13
TS
2)
ESD robustness at CANH,
CANL versus GND
VESD_HBM_CAN -8
–
–
8
2
kV
kV
P_7.1.14
P_7.1.15
HBM;
100 pF via 1.5 kΩ
2)
ESD robustness at all other
pins
VESD_HBM_ALL -2
HBM;
100 pF via 1.5 kΩ
3)
ESD robustness at corner pins VESD_CDM_CP -750
–
–
750
500
V
V
P_7.1.16
P_7.1.17
CDM
3)
ESD robustness at any other VESD_CDM
-500
pins
CDM
1) Not subject to production test, specified by design.
2) Human body model (HBM) robustness according to AE - Q100-002
3) Charge device model (CDM) robustness according to AEC - Q100-011 Rev-D; voltage level refers to test condition (TC)
mentioned in the standard.
Note:
Latchup robustness: class II according to AEC - Q100-04.
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TLE9371SJ
CAN signal improvement transceiver
General product characteristics
Note:
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.
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TLE9371SJ
CAN signal improvement transceiver
General product characteristics
6.2
Functional range
Table 4
Functional range
Parameter
Symbol
Values
Unit Note or
Test Condition
Number
Min. Typ. Max.
Supply voltages
Transmitter supply voltage
Thermal parameters
Junction temperature
VCC
Tj
4.75
–
–
5.25
150
V
–
P_7.2.1
P_7.2.3
1)
-40
°C
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.
6.3
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.
Thermal resistances
2)
Junction to ambient
PG-DSO-8
RthJA_DSO8
–
120
–
K/W
P_7.3.2
Thermal shutdown (junction temperature)
Thermal shutdown temperature,
rising
TJSD
170
5
180
10
190
20
°C
K
Temperature
falling: minimum
150°C
P_7.3.3
P_7.3.4
Thermal shutdown hysteresis
∆T
–
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 (chip
and package) was simulated on a 76.2 mm × 114.3 mm × 1.5 mm board with two inner copper layers (2 × 70 µm Cu,
2 × 35 µm Cu).
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TLE9371SJ
CAN signal improvement transceiver
Electrical characteristics
7
Electrical characteristics
7.1
Power supply interface
7.1.1
Current consumption
Table 6
Current consumption
4.75 V < VCC < 5.25 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.
Current consumption at VCC
normal-operating mode,
recessive state
ICC_R
–
–
–
2.8
38
–
4
mA VTxD = VCC
;
P_8.1.4
VSTB = 0 V;
VCANH = VCANL = VCC/2
Current consumption at VCC
normal-operating mode,
dominant state
ICC_D
48
20
mA VTxD = VSTB = 0 V;
t < tTxD
P_8.1.9
Current consumption at VCC
ICC(STB)
µA
VTxD = VSTB = VCC
P_8.1.15
standby mode
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TLE9371SJ
CAN signal improvement transceiver
Electrical characteristics
7.1.2
Undervoltage detection
Table 7
Undervoltage detection
4.75 V < VCC < 5.25 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.
4.25 4.35 4.5
VCC undervoltage threshold
VCC undervoltage filter time
VCC undervoltage recovery
VCC_UV
V
–
1)
P_8.1.25
P_8.1.27
P_8.1.28
tVCC_UV_filter
tVCC_recovery
1
–
–
–
10
70
µs
µs
1)
time
VCC power-down threshold
Power-up delay time
VCC_POD
tPON
2.0
–
2.5
–
3.0
V
–
1)
P_8.1.31
P_8.1.33
280
µs
Figure 6
1) Not subject to production test, specified by design.
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TLE9371SJ
CAN signal improvement transceiver
Electrical characteristics
7.2
CAN controller interface
Table 8
CAN controller interface
4.75 V < VCC < 5.25 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.
Receiver output RxD
“High” level output current
IRxD_H
IRxD_L
–
1
-2
2
-1
–
mA VRxD = VCC - 0.4 V;
Diff < 0.5 V
mA VRxD = 0.4 V;
Diff > 0.9 V
P_8.2.2
P_8.2.3
V
“Low” level output current
V
Transmitter input TxD
“High” level input voltage
VTxD_H
VTxD_L
0.7 ×
VCC
–
–
6.0
V
V
Recessive state
Dominant state
P_8.2.5
P_8.2.7
“Low” level input voltage
-0.3
0.3 ×
VCC
Internal pull-up resistor TxD
Input capacitance
RTxD
CTxD
tTxD
35
–
50
–
70
10
4
kΩ
pF
–
P_8.2.9
1)
P_8.2.10
P_8.2.11
TxD dominant timeout
1
–
ms
Normal-operating
mode
Standby input STB
“High” level input voltage
VMode_H
VMode_L
0.7 ×
VCC
–
–
6.0
V
V
–
P_8.2.15
P_8.2.17
“Low” level input voltage
-0.3
0.3 ×
VCC
Normal-operating
mode
Internal pull-up resistor
Input capacitance
RMode
CMode
35
–
50
–
70
10
kΩ
–
1)
P_8.2.19
P_8.2.20
pF
1) Not subject to production test, specified by design.
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TLE9371SJ
CAN signal improvement transceiver
Electrical characteristics
7.3
Receiver
Table 9
Receiver characteristics
4.75 V < VCC < 5.25 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.
Common mode range
VCMR
-12
–
–
12
V
V
–
P_8.3.1
P_8.3.4
1)
Differential range dominant
state,
VDiff_D_Range 0.9
8.0
VCMR
normal-operating mode
1)
Differential range recessive
state,
normal-operating mode
VDiff_R_Range -3.0
–
–
–
–
–
0.5
8.0
0.4
50
V
P_8.3.6
P_8.3.8
P_8.3.10
P_8.3.12
P_8.3.13
VCMR
1)
Differential range dominant
state,
standby mode
VDiff_D_STB_R 1.15
V
VCMR
ange
1)
Differential range recessive
state,
standby mode
VDiff_R_STB_R -3.0
V
VCMR
ange
Single ended internal
resistance
RCAN_H
RCAN_L
,
30
60
kΩ
kΩ
1) recessive state;
-2 V ≤ VCANH ≤ 7 V;
-2 V ≤ VCANL ≤ 7 V
1) recessive state;
-2 V ≤ VCANH ≤ 7 V;
-2 V ≤ VCANL ≤ 7 V
Differential internal resistance RDiff
100
Input resistance deviation
between CANH and CANL
∆Ri
-1
–
–
1
%
1) recessive state;
P_8.3.14
P_8.3.15
P_8.3.16
V
CANH = VCANL = 5 V
1)2)
Input capacitance CANH,
CANL versus GND
CIn
20
10
40
20
pF
pF
1)2)
Differential input capacitance CInDiff
–
1) Not subject to production test, specified by design.
2) S2P-method; f = 10 MHz.
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TLE9371SJ
CAN signal improvement transceiver
Electrical characteristics
7.4
Transmitter
Table 10
Transmitter characteristics
4.75 V < VCC < 5.25 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.
CANL, CANH recessive state
output voltage
VCANL,H
2.0
2.5
3.0
V
Normal-operating
mode;
P_8.4.2
VTxD = VCC
;
no load
CANH, CANL recessive state
differential output voltage
VDiff_R_NM = VCANH -VCANL
VDiff_R_NM
-50
–
50
mV Normal-operating
mode;
P_8.4.4
VTxD = VCC
;
no load
CANL dominant state output VCANL
voltage,
normal-operating mode
0.5
–
2.25
4.5
V
V
V
V
VTxD = 0 V;
45 Ω < RL < 65 Ω
P_8.4.5
P_8.4.6
P_8.4.7
P_8.4.8
CANH dominant state output VCANH
voltage,
normal-operating mode
2.75
1.5
–
VTxD = 0 V;
45 Ω < RL < 65 Ω
Differential voltage dominant VDiff_D_NM
state,
normal-operating mode
2.0
2.0
3.0
VDiff = VCANH - VCANL
VTxD = 0 V;
50 Ω < RL < 65 Ω
;
Differential voltage extended VDiff_EXT_BL 1.4
3.3
Dominant state;
bus load
normal-operating
mode;
VTxD = 0 V;
45 Ω < RL < 70 Ω
1)
Differential voltage dominant VDiff_HEXT_BL 1.5
state high extended bus load
normal-operating mode
–
–
–
5.0
0.2
0.1
V
V
V
P_8.4.9
VTxD = 0 V;
RL = 2240 Ω
CANH, CANL recessive output VDiff_STB
voltage difference standby
mode
-0.2
No load
P_8.4.10
CANL, CANH recessive output VCANL,H_STB -0.1
voltage standby mode
No load
P_8.4.11
P_8.4.12
1)2)
Driver symmetry
VSYM
0.95 × 1.0 × 1.05 × V
VSYM = VCANH + VCANL
VCC
VCC
VCC
C1 = 4.7 nF
CANL short circuit current
ICANLsc
-115
–
115
mA -3 V < VCANLshort < 18 V; P_8.4.13
t < tTxD
TxD = 0 V
mA -3 V < VCANHshort < 18 V; P_8.4.14
t < tTxD
VTxD = 0 V
;
V
CANH short circuit current
ICANHsc
-115
–
115
;
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TLE9371SJ
CAN signal improvement transceiver
Electrical characteristics
Table 10
Transmitter characteristics (cont’d)
4.75 V < VCC < 5.25 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.
CANH leakage current
ICANH,lk
-5
–
5
µA
VCC = 0 V;
0 V < VCANH ≤ 5 V;
CANH = VCANL
P_8.4.16
V
CANL leakage current
ICANL,lk
-5
–
5
µA
VCC = 0 V;
P_8.4.18
0 V < VCANL ≤ 5 V;
VCANH = VCANL
Signal improvement
resistance
RSI
75
–
–
125
530
Ω
P_8.4.19
P_8.4.20
Signal improvement time
tSIC
450
ns
1) Not subject to production test, specified by design.
2) VSYM observed during dominant and recessive state and also during the transition from dominant to recessive and
vice versa, while TxD is stimulated by a square wave signal. This parameter must be valid for all the possible
transmission rates.
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TLE9371SJ
CAN signal improvement transceiver
Electrical characteristics
7.5
Dynamic transceiver parameters
Table 11
Electrical characteristics dynamic transceiver parameters
4.75 V < VCC < 5.25 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.
Loop delay from TxD to RxD
tLoop
80
–
190
ns
C1 = 0 pF;
C2 = 100 pF;
P_8.5.1
CRxD = 25 pF;
CVCC = 100 nF;
RL = 60 Ω;
TxD = rise (10% to 90%)
V
and fall (90% to 10%)
time < 10 ns;
125 kbit/s < 1/tBit
<
8 Mbit/s;
see Figure 12,
Figure 13
Transmitter propagation
delay TxD to bus (“high” until
recessive; “low” until
dominant)
tprop_T
30
–
80
ns
C1 = 0 pF;
C2 = 100 pF;
P_8.5.3
C
VCC = 100 nF;
RL = 60 Ω;
TxD = rise (10% to 90%)
V
and fall (90% to 10%)
time < 10 ns;
see Figure 12,
Figure 13
Propagation delay bus to RxD tprop_R
(dominant until “low”;
recessive until “high”)
30
–
110
ns
C1 = 0 pF;
C2 = 100 pF;
CRxD = 25 pF;
P_8.5.4
CVCC = 100 nF;
RL = 60 Ω;
VTxD = rise (10% -> 90%)
and fall (90% -> 10%)
time < 10 ns;
see Figure 12,
Figure 13
Delay times
Delay time for mode change tMode
–
–
–
–
20
5
µs
µs
–
–
P_8.5.5
P_8.5.6
Transmitter release time after tTxD_rel
entering normal-operating
mode in dominant state
CAN activity filter time
Bus wake-up timeout
Bus wake-up delay time
tFilter
tWake
tWU
0.5
0.8
–
–
–
–
1.8
10
5
µs
ms
µs
–
P_8.5.7
P_8.5.8
P_8.5.9
1)
–
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TLE9371SJ
CAN signal improvement transceiver
Electrical characteristics
Table 11
Electrical characteristics dynamic transceiver parameters (cont’d)
4.75 V < VCC < 5.25 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.
CAN FD characteristics
Loop delay symmetry
∆tBit(RxD)
-30
–
20
ns
∆tBit(RxD) = tBit(RxD)
tBit(TxD)
-
P_8.5.10
;
C1 = 0 pF;
C2 = 100 pF;
CRxD = 25 pF;
CVCC = 100 nF;
RL = 60 Ω;
VTxD = rise (10% to 90%)
and fall (90% to 10%)
time < 10 ns;
125 kbit/s < 1/tBit
8 Mbit/s;
<
see Figure 12,
Figure 13
Receiver propagation delay
symmetry (received recessive
bit width)
∆tRec
-20
–
15
ns
∆tRec = tBit(RxD) - tBit(Bus)
C1 = 0 pF;
C2 = 100 pF;
;
P_8.5.11
CRxD = 25 pF;
CVCC = 100 nF;
RL = 60 Ω;
VTxD = rise (10% to 90%)
and fall (90% to 10%)
time < 10 ns;
125 kbit/s < 1/tBit
<
8 Mbit/s;
see Figure 12, and
Figure 14
Transmitter propagation
delay symmetry (transmitted
recessive bit width)
∆tBit(Bus)
-10
–
10
ns
∆tBit(Bus) = tBit(Bus)
tBit(TxD)
C1 = 0 pF;
-
P_8.5.12
;
C2 = 100 pF;
CRxD = 25 pF;
CVCC = 100 nF;
RL = 60 Ω;
VTxD = rise (10% to 90%)
and fall (90% to 10%)
time < 10 ns;
125 kbit/s < 1/tBit
<
8 Mbit/s;
see Figure 12 and
Figure 14
1) Not subject to production test, specified by design.
Datasheet
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TLE9371SJ
CAN signal improvement transceiver
Electrical characteristics
7.6
Diagrams
TxD
RxD
CANH
RL/2
CRxD
C2
Transceiver
C1
RL/2
6
CANL
VCC
CVcc
GND
Figure 12 Test circuit
TxD
0.7 x VCC
0.3 x VCC
t
t
tprop_T
tprop_T
VDiff
0.9 V
0.5 V
tprop_R
tprop_R
tLoop
tLoop
RxD
0.7 x VCC
0.3 x VCC
t
Figure 13 Timing diagram for dynamic characteristics
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TLE9371SJ
CAN signal improvement transceiver
Electrical characteristics
TxD
0.7 x VCC
0.3 x VCC
t
n * tBit(TXD)
tBit(TXD)
VDiff
900 mV
500 mV
t
t
tBit(BUS)
RxD
0.7 x VCC
0.3 x VCC
tBit(RXD)
Figure 14 CAN FD electrical parameters
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TLE9371SJ
CAN signal improvement transceiver
Application information
8
Application information
8.1
ESD robustness according to IEC 61000-4-2
Tests for ESD robustness according to IEC 61000-4-2 Gun test (150 pF, 330 Ω) have been performed. The results
and test conditions are available in a separate test report.
Table 12
ESD robustness according to IEC 61000-4-2
Result Unit
Performed Test
Remarks
Electrostatic discharge voltage at pin CANH and ≥ +8
kV
1) Positive pulse
CANL versus GND
Electrostatic discharge voltage at pin CANH and ≤ -8
kV
1) Negative pulse
CANL versus GND
1) Not subject to production test. ESD robustness ESD GUN according to GIFT / ICT paper: “EMC Evaluation of CAN
Transceivers, version IEC TS62228”, section 4.3. (DIN EN 61000-4-2).
Tested by external test facility IBEE Zwickau – EMC test report available on request.
8.2
Application example
VBAT
I
Q1
LDO
GND
1 μF
CANH CANL
22 μF
EN
3
VCC
1 μF
N.C.
5
8
1
4
120
Ohm
TLE9371
VCC
Out
Out
In
STB
7
CANH
TxD
RxD
Microcontroller
6
CANL
GND
GND
2
I
Q1
LDO
GND
1 μF
22 μF
EN
3
VCC
1 μF
N.C.
5
TLE9371
VCC
8
1
4
Out
Out
In
STB
TxD
RxD
7
6
CANH
Microcontroller
CANL
GND
120
Ohm
GND
2
example ECU design
CANH
CANL
Figure 15 Application diagram
Datasheet
31
1.0
2023-02-28
TLE9371SJ
CAN signal improvement transceiver
Application information
8.3
Further application information
•
For further information you may visit: http://www.infineon.com/tle9371vsj
Datasheet
32
1.0
2023-02-28
TLE9371SJ
CAN signal improvement transceiver
Package information
9
Package information
1)
4.93+-00..1035
0.33×45°
0.64+-00..2235
6+-00..1260
2)
0.41+-00..0068
1.27
8
5
4
1
Pin1 marking
1) Does not include plastic or metal protrusion of 0.25 max. per side
2) Does not include dambar protrusion of 0.1 max. per side
All dimensions are in units mm
The drawing is in compliance with ISO 128-30, Projection Method 1 [
]
Figure 16 PG-DSO-8
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
Datasheet
33
1.0
2023-02-28
TLE9371SJ
CAN signal improvement transceiver
Revision history
10
Revision history
Revision
Date
Changes
1.0
2023-02-28 Datasheet created
Datasheet
34
1.0
2023-02-28
Trademarks
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Published by
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characteristics ("Beschaffenheitsgarantie").
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Document reference
Z8F65761338
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