Datasheet > TLE9350BSJ

TLE9350BSJ

更新时间： 2024-03-03 10:10:30

品牌	Logo	应用领域
英飞凌 - INFINEON		/
页数	文件大小	规格书
30页	812K
描述
The TLE9350BSJ is a high speed CAN transceiver, used in HS CAN systems for automotive applications

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TLE9350BSJ 数据手册

TLE9350BSJ

High speed CAN FD transceiver

The TLE9350BSJ operates 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 5 Mbit/s. The characteristics for

a HS CAN are the two signal states on the CAN bus: 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

simultaneously. 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. As shown in Figure 1,

the TLE9350BSJ 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. The TLE9350BSJ converts the serial

data stream which is available on 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 TLE9350BSJ 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, followed by a logical "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 CAN.

ISO 11898-2:2016 specifies the voltage levels for HS CAN transceivers. Whether a data bit is dominant or

recessive depends on the voltage difference between the CANH and CANL pins (V_Diff= V_CANH- V_CANL).

To transmit a dominant signal to the CAN bus the amplitude of the differential signal V_Diffis higher than or

equal to 1.5 V. To receive a recessive signal from the CAN bus the amplitude of the differential V_Diffis lower than

or equal to 0.5 V.

In partially-supplied high speed CAN network, the bus nodes of one common network have different power

supply conditions. Some nodes are connected to the power supply, while other nodes are disconnected from

the power supply and in power-down state. Regardless of whether the CAN bus subscriber is supplied or not,

each subscriber connected to the common bus media must not interfere with the communication. The

TLE9350BSJ is designed to support 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 TLE9350BSJ provides a power-save mode. In power-

save mode, the power consumption of the TLE9350BSJ is optimized to a minimum

The voltage level on the digital input TxD and the digital output RxD is determined by the power supply level

at the V_CCpin. Depending on the voltage level at the V_CCpin, the signal levels on the logic pins (STB, TxD and

RxD) are compatible with microcontrollers having a 5 V I/O supply.

Datasheet

Rev. 1.0

2023-08-11

1...7 8 91011 12 13...30

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TLE9351BVSJ	INFINEON	获取价格	The TLE9351BVSJ is a high speed CAN transceiver, used in HS CAN systems for automotive app
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